Example usage for javax.xml.stream XMLStreamReader getElementText

Introduction

In this page you can find the example usage for javax.xml.stream XMLStreamReader getElementText.

Prototype

public String getElementText() throws XMLStreamException;

Source Link

Document

Reads the content of a text-only element, an exception is thrown if this is not a text-only element.

Usage

From source file:org.unitedinternet.cosmo.model.text.XhtmlSubscriptionFormat.java

public CollectionSubscription parse(String source, EntityFactory entityFactory) throws ParseException {
    CollectionSubscription sub = entityFactory.createCollectionSubscription();

    try {// w  ww  . j  ava2 s. c o  m
        if (source == null) {
            throw new ParseException("Source has no XML data", -1);
        }
        StringReader sr = new StringReader(source);
        XMLStreamReader reader = createXmlReader(sr);

        boolean inLocalSub = false;
        boolean inCollection = false;
        boolean inTicket = false;
        while (reader.hasNext()) {
            reader.next();
            if (!reader.isStartElement()) {
                continue;
            }

            if (hasClass(reader, "local-subscription")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found local-subscription element");
                }
                inLocalSub = true;
                continue;
            }

            if (inLocalSub && hasClass(reader, "name")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found name element");
                }

                String name = reader.getElementText();
                if (StringUtils.isBlank(name)) {
                    handleParseException("Name element must not be empty", reader);
                }
                sub.setDisplayName(name);

                continue;
            }

            if (inLocalSub && hasClass(reader, "collection")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found collection element");
                }
                inCollection = true;
                inTicket = false;
                continue;
            }

            if (inCollection && hasClass(reader, "uuid")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found uuid element");
                }

                String uuid = reader.getElementText();
                if (StringUtils.isBlank(uuid)) {
                    handleParseException("Uuid element must not be empty", reader);
                }
                sub.setCollectionUid(uuid);

                continue;
            }

            if (inLocalSub && hasClass(reader, "ticket")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found ticket element");
                }
                inCollection = false;
                inTicket = true;
                continue;
            }

            if (inTicket && hasClass(reader, "key")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found key element");
                }

                String key = reader.getElementText();
                if (StringUtils.isBlank(key)) {
                    handleParseException("Key element must not be empty", reader);
                }
                sub.setTicketKey(key);

                continue;
            }
        }

        reader.close();
    } catch (XMLStreamException e) {
        handleXmlException("Error reading XML", e);
    }

    return sub;
}

---

From source file:org.unitedinternet.cosmo.model.text.XhtmlTicketFormat.java

public Ticket parse(String source, EntityFactory entityFactory) throws ParseException {

    String key = null;//  w ww  .  ja va  2 s .  c o m
    TicketType type = null;
    Integer timeout = null;
    try {
        if (source == null) {
            throw new ParseException("Source has no XML data", -1);
        }
        StringReader sr = new StringReader(source);
        XMLStreamReader reader = createXmlReader(sr);

        boolean inTicket = false;
        while (reader.hasNext()) {
            reader.next();
            if (!reader.isStartElement()) {
                continue;
            }

            if (hasClass(reader, "ticket")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found ticket element");
                }
                inTicket = true;
                continue;
            }

            if (inTicket && hasClass(reader, "key")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found key element");
                }

                key = reader.getElementText();
                if (StringUtils.isBlank(key)) {
                    handleParseException("Key element must not be empty", reader);
                }

                continue;
            }

            if (inTicket && hasClass(reader, "type")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found type element");
                }

                String typeId = reader.getAttributeValue(null, "title");
                if (StringUtils.isBlank(typeId)) {
                    handleParseException("Ticket type title must not be empty", reader);
                }
                type = TicketType.createInstance(typeId);

                continue;
            }
            if (inTicket && hasClass(reader, "timeout")) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("found timeout element");
                }

                String timeoutString = reader.getAttributeValue(null, "title");
                if (StringUtils.isBlank(timeoutString)) {
                    timeout = null;
                } else {
                    timeout = Integer.getInteger(timeoutString);
                }

                continue;
            }
        }
        if (type == null || key == null) {
            handleParseException("Ticket must have type and key", reader);
        }
        reader.close();
    } catch (XMLStreamException e) {
        handleXmlException("Error reading XML", e);
    }

    Ticket ticket = entityFactory.createTicket(type);
    ticket.setKey(key);
    if (timeout == null) {
        ticket.setTimeout(Ticket.TIMEOUT_INFINITE);
    } else {
        ticket.setTimeout(timeout);
    }

    return ticket;
}

---

From source file:org.ut.biolab.medsavant.client.plugin.PluginIndex.java

public PluginIndex(URL url) throws IOException {
    urls = new HashMap<String, URL>();
    try {/*w w  w  .ja va2s .  c  o  m*/

        XMLStreamReader reader = XMLInputFactory.newInstance().createXMLStreamReader(
                ClientNetworkUtils.openStream(url, ClientNetworkUtils.NONCRITICAL_CONNECT_TIMEOUT,
                        ClientNetworkUtils.NONCRITICAL_READ_TIMEOUT));
        if (reader.getVersion() == null) {
            throw new XMLStreamException("Invalid XML at URL " + url);
        }
        boolean done = false;
        String id = null;
        do {
            if (reader.hasNext()) {
                int t = reader.next();
                switch (t) {
                case XMLStreamConstants.START_ELEMENT:
                    String elemName = reader.getLocalName();
                    if (elemName.equals("leaf")) {
                        id = reader.getAttributeValue(null, "id");
                    } else if (elemName.equals("url")) {
                        if (id != null) {
                            try {
                                urls.put(id, new URL(reader.getElementText()));
                            } catch (MalformedURLException x) {
                                LOG.warn(String.format("Unable to parse \"%s\" as a plugin URL.",
                                        reader.getElementText()));
                            }
                            id = null;
                        }
                    }
                    break;
                case XMLStreamConstants.END_DOCUMENT:
                    reader.close();
                    done = true;
                    break;
                }
            } else {
                throw new XMLStreamException("Malformed XML at " + url);
            }
        } while (!done);
    } catch (XMLStreamException x) {
        throw new IOException("Unable to get version number from web-site.", x);
    }
}

---

From source file:org.wso2.carbon.registry.core.jdbc.Repository.java

@SuppressWarnings("deprecation")
private void restoreRecursively(String path, XMLStreamReader xmlReader, DumpReader dumpReader,
        long currentVersion, boolean resourceExists) throws RegistryException, XMLStreamException {
    // we need to check the authorization with the current resource path at this point
    if (!AuthorizationUtils.authorize(path, ActionConstants.PUT)) {
        String msg = "Failed to check-in resource " + path + ". User " + CurrentSession.getUser()
                + " is not authorized to update " + "the current collection path " + path + ".";
        log.warn(msg);//w ww .  ja va  2  s  . c om
        throw new AuthorizationFailedException(msg);
    }

    while (!xmlReader.isStartElement() && xmlReader.hasNext()) {
        xmlReader.next();
    }

    if (!xmlReader.hasNext()) {
        // nothing to parse
        return;
    }

    if (!xmlReader.getLocalName().equals(DumpConstants.RESOURCE)) {
        String msg = "Invalid dump to restore at " + path;
        log.error(msg);
        throw new RegistryException(msg);
    }

    String incomingParentPath = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_PATH);
    // the name of the resource is used instead of the path
    String resourceName = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_NAME);
    String ignoreConflictsStrValue = xmlReader.getAttributeValue(null, DumpConstants.IGNORE_CONFLICTS);

    boolean ignoreConflicts = true;
    if (ignoreConflictsStrValue != null && Boolean.toString(false).equals(ignoreConflictsStrValue)) {
        ignoreConflicts = false;
    }

    String isCollectionString = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_IS_COLLECTION);
    boolean isCollection = isCollectionString.equals(DumpConstants.RESOURCE_IS_COLLECTION_TRUE);

    if (path.equals(RegistryConstants.ROOT_PATH) && !isCollection) {
        // you can not put non collection to the root path
        String msg = "Illegal to restore a non-collection in place of root collection.";
        log.error(msg);
        throw new RegistryException(msg);
    }

    String status = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_STATUS);

    //if the status is deleted we delete that resource/collection
    if (DumpConstants.RESOURCE_DELETED.equals(status) && resourceExists) {
        delete(path);
        return;
    }

    ResourceImpl resourceImpl;
    byte[] contentBytes = new byte[0];
    if (isCollection) {
        resourceImpl = new CollectionImpl();
    } else {
        resourceImpl = new ResourceImpl();
    }

    List<CommentDO> commentDOList = new ArrayList<CommentDO>();
    List<TaggingDO> taggingDOList = new ArrayList<TaggingDO>();
    List<RatingDO> ratingDOList = new ArrayList<RatingDO>();
    List<Association> associationList = new ArrayList<Association>();

    boolean isCreatorExisting = false;
    boolean isCreatedTimeExisting = false;
    boolean isUpdaterExisting = false;
    boolean isUpdatedTimeExisting = false;
    long dumpingResourceVersion = -1;

    // traversing to the next element
    do {
        xmlReader.next();
    } while (!xmlReader.isStartElement() && xmlReader.hasNext());

    while (xmlReader.hasNext()) {
        String localName = xmlReader.getLocalName();

        // setMediaType
        if (localName.equals(DumpConstants.MEDIA_TYPE)) {
            String text = xmlReader.getElementText();
            if (text.indexOf('/') < 0) {
                text = MediaTypesUtils.getMediaType("dummy." + text);
            }
            if (text != null) {
                resourceImpl.setMediaType(text);
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // creator
        else if (localName.equals(DumpConstants.CREATOR)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                resourceImpl.setAuthorUserName(text);
                isCreatorExisting = true;
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // version: just to keep track of the server changes
        else if (localName.equals(DumpConstants.VERSION)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                dumpingResourceVersion = Long.parseLong(text);
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // uuid: just to keep track of the server changes
        else if (localName.equals(DumpConstants.UUID)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                resourceImpl.setUUID(text);
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // createdTime
        else if (localName.equals(DumpConstants.CREATED_TIME)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                long date = Long.parseLong(text);
                resourceImpl.setCreatedTime(new Date(date));
                isCreatedTimeExisting = true;
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // setLastUpdater
        else if (localName.equals(DumpConstants.LAST_UPDATER)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                resourceImpl.setLastUpdaterUserName(text);
                isUpdaterExisting = true;
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // LastModified
        else if (localName.equals(DumpConstants.LAST_MODIFIED)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                long date = Long.parseLong(text);
                resourceImpl.setLastModified(new Date(date));
                isUpdatedTimeExisting = true;
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // get description
        else if (localName.equals(DumpConstants.DESCRIPTION)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                resourceImpl.setDescription(text);
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // get properties
        else if (localName.equals(DumpConstants.PROPERTIES)) {
            // iterating trying to find the children..
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
            while (xmlReader.hasNext() && xmlReader.getLocalName().equals(DumpConstants.PROPERTY_ENTRY)) {
                String key = xmlReader.getAttributeValue(null, DumpConstants.PROPERTY_ENTRY_KEY);
                String text = xmlReader.getElementText();
                if (text.equals("")) {
                    text = null;
                }
                if (text != null) {
                    resourceImpl.addPropertyWithNoUpdate(key, text);
                }
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext());
            }
        }
        // get content
        else if (localName.equals(DumpConstants.CONTENT)) {
            String text = xmlReader.getElementText();
            // we keep content as base64 encoded
            if (text != null) {
                contentBytes = Base64.decode(text);
            }
            do {
                xmlReader.next();
            } while ((!xmlReader.isStartElement() && xmlReader.hasNext())
                    && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(DumpConstants.RESOURCE)));
        }
        // getting comment information
        else if (localName.equals(DumpConstants.COMMENTS)) {
            // iterating trying to find the children..
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
            while (xmlReader.hasNext() && xmlReader.getLocalName().equals(DumpConstants.COMMENT_ENTRY)) {
                CommentDO commentDO = new CommentDO();

                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext());

                localName = xmlReader.getLocalName();
                while (xmlReader.hasNext() && (localName.equals(DumpConstants.COMMENT_ENTRY_USER)
                        || localName.equals(DumpConstants.COMMENT_ENTRY_TEXT))) {
                    if (localName.equals(DumpConstants.COMMENT_ENTRY_USER)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            commentDO.setCommentedUser(text);
                        }
                    } else if (localName.equals(DumpConstants.COMMENT_ENTRY_TEXT)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            commentDO.setCommentText(text);
                        }
                    }

                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext());
                    if (xmlReader.hasNext()) {
                        localName = xmlReader.getLocalName();
                    }
                }
                commentDOList.add(commentDO);
            }
        }
        // getting tagging information
        else if (localName.equals(DumpConstants.TAGGINGS)) {
            // iterating trying to find the children..
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
            while (xmlReader.hasNext() && xmlReader.getLocalName().equals(DumpConstants.TAGGING_ENTRY)) {

                TaggingDO taggingDO = new TaggingDO();

                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext());

                localName = xmlReader.getLocalName();
                while (xmlReader.hasNext() && (localName.equals(DumpConstants.TAGGING_ENTRY_USER)
                        || localName.equals(DumpConstants.TAGGING_ENTRY_DATE)
                        || localName.equals(DumpConstants.TAGGING_ENTRY_TAG_NAME))) {
                    if (localName.equals(DumpConstants.TAGGING_ENTRY_USER)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            taggingDO.setTaggedUserName(text);
                        }
                    } else if (localName.equals(DumpConstants.TAGGING_ENTRY_DATE)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            long date = Long.parseLong(text);
                            taggingDO.setTaggedTime(new Date(date));
                        }
                    } else if (localName.equals(DumpConstants.TAGGING_ENTRY_TAG_NAME)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            taggingDO.setTagName(text);
                        }
                    }
                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext());
                    if (xmlReader.hasNext()) {
                        localName = xmlReader.getLocalName();
                    }
                }
                taggingDOList.add(taggingDO);
            }
        }
        // getting rating information
        else if (localName.equals(DumpConstants.RATINGS)) {
            // iterating trying to find the children..
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
            while (xmlReader.hasNext() && xmlReader.getLocalName().equals(DumpConstants.RATING_ENTRY)) {
                RatingDO ratingDO = new RatingDO();

                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext());

                localName = xmlReader.getLocalName();
                while (xmlReader.hasNext() && (localName.equals(DumpConstants.RATING_ENTRY_USER)
                        || localName.equals(DumpConstants.RATING_ENTRY_DATE)
                        || localName.equals(DumpConstants.RATING_ENTRY_RATE))) {
                    if (localName.equals(DumpConstants.RATING_ENTRY_USER)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            ratingDO.setRatedUserName(text);
                        }
                    } else if (localName.equals(DumpConstants.RATING_ENTRY_DATE)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            long date = Long.parseLong(text);
                            ratingDO.setRatedTime(new Date(date));
                        }
                    } else if (localName.equals(DumpConstants.RATING_ENTRY_RATE)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            int ratingValue = Integer.parseInt(text);
                            ratingDO.setRating(ratingValue);
                        }
                    }
                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext());
                    if (xmlReader.hasNext()) {
                        localName = xmlReader.getLocalName();
                    }
                }
                ratingDOList.add(ratingDO);
            }
        }

        // getting rating information
        else if (localName.equals(DumpConstants.ASSOCIATIONS)) {
            // iterating trying to find the children..
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
            while (xmlReader.hasNext() && xmlReader.getLocalName().equals(DumpConstants.ASSOCIATION_ENTRY)) {
                String source = null;
                String destination = null;
                String type = null;

                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext());

                localName = xmlReader.getLocalName();
                while (xmlReader.hasNext() && (localName.equals(DumpConstants.ASSOCIATION_ENTRY_SOURCE)
                        || localName.equals(DumpConstants.ASSOCIATION_ENTRY_DESTINATION)
                        || localName.equals(DumpConstants.ASSOCIATION_ENTRY_TYPE))) {
                    if (localName.equals(DumpConstants.ASSOCIATION_ENTRY_SOURCE)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            source = text;
                        }
                    } else if (localName.equals(DumpConstants.ASSOCIATION_ENTRY_DESTINATION)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            destination = text;
                        }
                    } else if (localName.equals(DumpConstants.ASSOCIATION_ENTRY_TYPE)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            type = text;
                        }
                    }
                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext());
                    if (xmlReader.hasNext()) {
                        localName = xmlReader.getLocalName();
                    }
                }
                // get the source and destination as absolute paths
                source = RegistryUtils.getAbsoluteAssociationPath(source, path);
                if (destination.startsWith(DumpConstants.EXTERNAL_ASSOCIATION_DESTINATION_PREFIX)) {
                    destination = destination
                            .substring(DumpConstants.EXTERNAL_ASSOCIATION_DESTINATION_PREFIX.length());
                } else {
                    destination = RegistryUtils.getAbsoluteAssociationPath(destination, path);
                }
                associationList.add(new Association(source, destination, type));
            }
        }
        // getting children, just storing in array list now, will used at the end
        // we are keeping old name to keep backward compatibility.
        else if (localName.equals(DumpConstants.CHILDREN) || localName.equals(DumpConstants.CHILDS)) {
            // we keep the stream to call this function recursively
            break;
        } else if (localName.equals(DumpConstants.RESOURCE)) {
            // we keep the stream to call this function recursively
            break;
        } else {
            // we don't mind having unwanted elements, now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
    }
    if (!ignoreConflicts) {
        // so we handling the conflicts.
        if (dumpingResourceVersion > 0) {
            if (currentVersion == -1) {
                // the current version == -1 means the resource is deleted in the server
                // but since the client is sending a version number, it has a previously checkout
                // resource
                String msg = "Resource is deleted in the server, resource path: " + path + ".";
                log.error(msg);
                throw new RegistryException(msg);
            }
            // we should check whether our dump is up-to-date
            if (currentVersion > dumpingResourceVersion) {
                // that mean the current resource is updated before the current version
                // so we have to notify user to get an update
                String msg = "Resource is in a newer version than the restoring version. " + "resource path: "
                        + path + ".";
                log.error(msg);
                throw new RegistryException(msg);
            }
        }
    }

    // completing the empty fields
    if (!isCreatorExisting) {
        String creator = CurrentSession.getUser();
        resourceImpl.setAuthorUserName(creator);
    }
    if (!isCreatedTimeExisting) {
        long now = System.currentTimeMillis();
        resourceImpl.setCreatedTime(new Date(now));
    }
    if (!isUpdaterExisting) {
        String updater = CurrentSession.getUser();
        resourceImpl.setLastUpdaterUserName(updater);
    }
    if (!isUpdatedTimeExisting) {
        long now = System.currentTimeMillis();
        resourceImpl.setLastModified(new Date(now));
    }

    if (resourceImpl.getUUID() == null) {
        setUUIDForResource(resourceImpl);
    }

    // create sym links
    String linkRestoration = resourceImpl.getProperty(RegistryConstants.REGISTRY_LINK_RESTORATION);
    if (linkRestoration != null) {
        String[] parts = linkRestoration.split(RegistryConstants.URL_SEPARATOR);
        if (parts.length == 4) {
            if (parts[2] != null && parts[2].length() == 0) {
                parts[2] = null;
            }
            if (parts[0] != null && parts[1] != null && parts[3] != null) {
                RegistryUtils.registerHandlerForRemoteLinks(RegistryContext.getBaseInstance(), parts[0],
                        parts[1], parts[2], parts[3]);
            }
        } else if (parts.length == 3) {
            // here parts[0] the current path, path[1] is the target path.
            if (parts[0] != null && parts[1] != null) {
                // first we are calculating the relative path of path[1] to path[0]
                String relativeTargetPath = RegistryUtils.getRelativeAssociationPath(parts[1], parts[0]);
                // then we derive the absolute path with reference to the current path.
                String absoluteTargetPath = RegistryUtils.getAbsoluteAssociationPath(relativeTargetPath, path);
                RegistryUtils.registerHandlerForSymbolicLinks(RegistryContext.getBaseInstance(), path,
                        absoluteTargetPath, parts[2]);
            }
        }
    }

    synchronized (this) {
        ResourceIDImpl resourceID = null;
        ResourceDO resourceDO = null;
        if (resourceDAO.resourceExists(path)) {
            resourceID = resourceDAO.getResourceID(path);
            resourceDO = resourceDAO.getResourceDO(resourceID);
            if (resourceDO == null) {
                if (isCollection) {
                    resourceID = resourceDAO.getResourceID(path, isCollection);
                    if (resourceID != null) {
                        resourceDO = resourceDAO.getResourceDO(resourceID);
                    }
                }
                if (resourceDO == null) {
                    return;
                }
            }
        }

        if (DumpConstants.RESOURCE_UPDATED.equals(status) || DumpConstants.RESOURCE_ADDED.equals(status)
                || DumpConstants.RESOURCE_DUMP.equals(status)) {
            if (resourceDAO.resourceExists(path)) {
                if (DumpConstants.RESOURCE_DUMP.equals(status)) {
                    delete(path);
                } else {
                    deleteNode(resourceID, resourceDO, true);
                }
            }
            if (resourceID == null) {
                // need to create a resourceID
                String parentPath = RegistryUtils.getParentPath(path);

                ResourceIDImpl parentResourceID = resourceDAO.getResourceID(parentPath, true);
                if (parentResourceID == null || !resourceDAO.resourceExists(parentResourceID)) {
                    addEmptyCollection(parentPath);
                    if (parentResourceID == null) {
                        parentResourceID = resourceDAO.getResourceID(parentPath, true);
                    }
                }
                resourceDAO.createAndApplyResourceID(path, parentResourceID, resourceImpl);
            } else {
                resourceImpl.setPathID(resourceID.getPathID());
                resourceImpl.setPath(path);
                resourceImpl.setName(resourceID.getName());
            }

            // adding resource followed by content (for nonCollection)
            if (!isCollection) {
                int contentId = 0;
                if (contentBytes.length > 0) {
                    contentId = resourceDAO.addContentBytes(new ByteArrayInputStream(contentBytes));
                }
                resourceImpl.setDbBasedContentID(contentId);
            }

            resourceDO = resourceImpl.getResourceDO();
            resourceDAO.addResourceDO(resourceDO);
            resourceImpl.setVersionNumber(resourceDO.getVersion());

            // adding the properties.
            resourceDAO.addProperties(resourceImpl);

            // adding comments
            commentsDAO.addComments(resourceImpl, commentDOList.toArray(new CommentDO[commentDOList.size()]));

            // adding tags
            tagsDAO.addTaggings(resourceImpl, taggingDOList.toArray(new TaggingDO[taggingDOList.size()]));

            // adding ratings
            ratingsDAO.addRatings(resourceImpl, ratingDOList.toArray(new RatingDO[ratingDOList.size()]));

            for (Association association : associationList) {
                associationDAO.addAssociation(association.getSourcePath(), association.getDestinationPath(),
                        association.getAssociationType());
            }
        }
    }

    if (!xmlReader.hasNext() || !(xmlReader.getLocalName().equals(DumpConstants.CHILDREN)
            || xmlReader.getLocalName().equals(DumpConstants.CHILDS))) {
        // finished the recursion
        return;
    }

    do {
        xmlReader.next();
        if (xmlReader.isEndElement() && (xmlReader.getLocalName().equals(DumpConstants.CHILDREN)
                || xmlReader.getLocalName().equals(DumpConstants.CHILDS))) {
            // this means empty children, just quit from here
            // before that we have to set the cursor to the start of the next element
            if (xmlReader.hasNext()) {
                do {
                    xmlReader.next();
                } while ((!xmlReader.isStartElement() && xmlReader.hasNext()) && !(xmlReader.isEndElement()
                        && xmlReader.getLocalName().equals(DumpConstants.RESOURCE)));
            }
            Resource resource = get(path);
            if (resource instanceof Collection) {
                String[] existingChildren = ((Collection) resource).getChildren();
                for (String existingChild : existingChildren) {
                    delete(existingChild);
                }
            }
            return;
        }
    } while (!xmlReader.isStartElement() && xmlReader.hasNext());

    int i = 0;
    if (xmlReader.hasNext() && xmlReader.getLocalName().equals(DumpConstants.RESOURCE)) {
        Set<String> childPathSet = new HashSet<String>();
        while (true) {
            if (i != 0) {
                dumpReader.setReadingChildResourceIndex(i);

                // otherwise we will set the stuff for the next resource
                // get an xlm reader in the checking child by parent mode.
                xmlReader = XMLInputFactory.newInstance().createXMLStreamReader(dumpReader);

                while (!xmlReader.isStartElement() && xmlReader.hasNext()) {
                    xmlReader.next();
                }
            }

            String absoluteChildPath;
            if (incomingParentPath != null) {
                // the code to support backward compatibility.
                // prepare the children absolute path
                String incomingChildPath = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_PATH);
                /*                    if (!incomingChildPath.startsWith(incomingParentPath)) {
                //break;
                                    }*/

                String relativeChildPath;
                if (incomingParentPath.equals(RegistryConstants.ROOT_PATH)) {
                    relativeChildPath = incomingChildPath;
                } else {
                    if (incomingParentPath.contains(incomingChildPath)) {
                        relativeChildPath = incomingChildPath.substring(incomingParentPath.length());
                    } else {
                        // this happens only at some custom editing of dump.xml
                        relativeChildPath = null;
                    }
                }
                if (relativeChildPath != null) {
                    if (path.equals(RegistryConstants.ROOT_PATH)) {
                        absoluteChildPath = relativeChildPath;
                    } else {
                        absoluteChildPath = path + relativeChildPath;
                    }
                } else {
                    String checkoutRoot = path.substring(0, path.length() - incomingParentPath.length());
                    absoluteChildPath = checkoutRoot + incomingChildPath;
                }
            } else if (resourceName != null) {
                String childName = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_NAME);
                absoluteChildPath = path
                        + (path.equals(RegistryConstants.ROOT_PATH) ? "" : RegistryConstants.PATH_SEPARATOR)
                        + childName;
            } else {
                String msg = "Error in deriving the child paths for collection. path: " + path + ".";
                log.error(msg);
                throw new RegistryException(msg);
            }

            // we give the control back to the child.
            dumpReader.setCheckingChildByParent(false);

            dumpReader.setReadingChildResourceIndex(i);
            // call the check in method recursively

            recursionRepository.restoreRecursively(absoluteChildPath, dumpReader);
            childPathSet.add(absoluteChildPath);

            dumpReader.setCheckingChildByParent(true);
            try {
                if (dumpReader.isLastResource(i)) {
                    dumpReader.setCheckingChildByParent(false);
                    break;
                }
            } catch (IOException e) {
                String msg = "Error in checking the last resource exists.";
                log.error(msg, e);
                throw new RegistryException(msg + e.getMessage(), e);
            }
            // by this time i ++ child resource should exist
            i++;
        }
        Collection parent = (Collection) get(path);
        String[] existingChildren = parent.getChildren();
        for (String existingChild : existingChildren) {
            if (!childPathSet.contains(existingChild)) {
                delete(existingChild);
            }
        }
    }
}

---

From source file:org.wso2.carbon.registry.synchronization.Utils.java

/**
 * This method reads the xml stream up to the children and return the meta element.
 *
 * @param xmlReader the xml reader./* w  w w. ja v  a 2 s.c  o  m*/
 *
 * @return the meta element.
 * @throws SynchronizationException if the provided XML is invalid.
 * @throws XMLStreamException       if XML parsing failed.
 */
public static OMElement readMetaElement(XMLStreamReader xmlReader)
        throws SynchronizationException, XMLStreamException {
    try {
        while (!xmlReader.isStartElement() && xmlReader.hasNext()) {
            xmlReader.next();
        }

        if (!xmlReader.hasNext()) {
            // nothing to parse
            return null;
        }

        if (!xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)) {
            throw new SynchronizationException(MessageCode.INVALID_DUMP_CREATE_META_FILE);

        }

        // alerting non-backward compatibility...
        //            String pathAttribute = xmlReader.getAttributeValue(null, ATTR_PATH);
        //            if (pathAttribute != null) {
        //                throw new SynchronizationException(MessageCode.CHECKOUT_OLD_VERSION);
        //            }

        OMFactory factory = OMAbstractFactory.getOMFactory();
        OMElement root = factory.createOMElement(new QName(Utils.ELEM_RESOURCE));

        String resourceName = xmlReader.getAttributeValue(null, ATTR_NAME);
        String isCollectionString = xmlReader.getAttributeValue(null, ATTR_IS_COLLECTION);

        root.addAttribute(ATTR_NAME, resourceName, null);
        root.addAttribute(ATTR_IS_COLLECTION, isCollectionString, null);

        // traversing to the next element
        do {
            xmlReader.next();
        } while (!xmlReader.isStartElement() && xmlReader.hasNext());

        while (xmlReader.hasNext()) {
            String localName = xmlReader.getLocalName();

            // version
            if (localName.equals(ELEM_VERSION)) {
                String text = xmlReader.getElementText();
                OMElement versionElement = factory.createOMElement(new QName(ELEM_VERSION));
                if (text != null) {
                    versionElement.setText(text);
                }
                root.addChild(versionElement);
                // now go to the next element
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
            }
            // setMediaType
            else if (localName.equals(ELEM_MEDIA_TYPE)) {
                String text = xmlReader.getElementText();
                OMElement mediaTypeElement = factory.createOMElement(new QName(ELEM_MEDIA_TYPE));
                if (text != null) {
                    mediaTypeElement.setText(text);
                }
                root.addChild(mediaTypeElement);
                // now go to the next element
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
            }
            // creator
            else if (localName.equals(ELEM_CREATOR)) {
                String text = xmlReader.getElementText();
                OMElement creatorElement = factory.createOMElement(new QName(ELEM_CREATOR));
                if (text != null) {
                    creatorElement.setText(text);
                }
                root.addChild(creatorElement);
                // now go to the next element
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
            }
            // createdTime
            else if (localName.equals(ELEM_CREATED_TIME)) {
                String text = xmlReader.getElementText();
                OMElement createdTimeElement = factory.createOMElement(new QName(ELEM_CREATED_TIME));
                if (text != null) {
                    createdTimeElement.setText(text);
                }
                root.addChild(createdTimeElement);
                // now go to the next element
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
            }
            // createdTime
            else if (localName.equals(ELEM_CONTENT)) {
                // currently we are keeping the content within the root element, and remove it
                // later. Before Carbon 3.0.0 the content was in the middle of the other
                // resource attributes
                String text = xmlReader.getElementText();
                OMElement contentElement = factory.createOMElement(new QName(ELEM_CONTENT));
                if (text != null) {
                    contentElement.setText(text);
                }
                root.addChild(contentElement);
                // now go to the next element
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
            }
            // setLastUpdater
            else if (localName.equals(ELEM_LAST_UPDATER)) {
                String text = xmlReader.getElementText();
                OMElement lastUpdaterElement = factory.createOMElement(new QName(ELEM_LAST_UPDATER));
                if (text != null) {
                    lastUpdaterElement.setText(text);
                }
                root.addChild(lastUpdaterElement);
                // now go to the next element
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
            }
            // LastModified
            else if (localName.equals(ELEM_LAST_MODIFIED)) {
                String text = xmlReader.getElementText();
                OMElement lastModifiedElement = factory.createOMElement(new QName(ELEM_LAST_MODIFIED));
                if (text != null) {
                    lastModifiedElement.setText(text);
                }
                root.addChild(lastModifiedElement);
                // now go to the next element
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
            }
            // get description
            else if (localName.equals(ELEM_DESCRIPTION)) {
                String text = xmlReader.getElementText();
                OMElement description = factory.createOMElement(new QName(ELEM_DESCRIPTION));
                if (text != null) {
                    description.setText(text);
                }
                root.addChild(description);
                // now go to the next element
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                // now go to the next element while
                // (!xmlReader.isStartElement() && xmlReader.hasNext());
            }
            // get uuid
            else if (localName.equals(ELEM_UUID)) {
                String text = xmlReader.getElementText();
                OMElement description = factory.createOMElement(new QName(ELEM_UUID));
                if (text != null) {
                    description.setText(text);
                }
                root.addChild(description);
                // now go to the next element
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                // now go to the next element while
                // (!xmlReader.isStartElement() && xmlReader.hasNext());
            }
            // get properties
            else if (localName.equals(ELEM_PROPERTIES)) {
                // iterating trying to find the children..
                OMElement properties = factory.createOMElement(new QName(ELEM_PROPERTIES));
                root.addChild(properties);
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                while (xmlReader.hasNext() && xmlReader.getLocalName().equals(ELEM_PROPERTY)) {
                    String key = xmlReader.getAttributeValue(null, ATTR_KEY);
                    String text = xmlReader.getElementText();
                    OMElement property = factory.createOMElement(new QName(ELEM_PROPERTY));
                    property.addAttribute(ATTR_KEY, key, null);
                    properties.addChild(property);

                    if (text.equals("")) {
                        text = null;
                    }
                    if (text != null) {
                        property.setText(text);
                    }
                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext() && !(xmlReader.isEndElement()
                            && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                }
                // getting comment information
            } else if (localName.equals(ELEM_COMMENTS)) {
                // iterating trying to find the children..
                OMElement commentsElement = factory.createOMElement(new QName(ELEM_COMMENTS));
                root.addChild(commentsElement);
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext());
                while (xmlReader.hasNext() && xmlReader.getLocalName().equals(ELEM_COMMENT)) {
                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext() && !(xmlReader.isEndElement()
                            && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));

                    localName = xmlReader.getLocalName();
                    OMElement commentElement = factory.createOMElement(new QName(ELEM_COMMENT));
                    commentsElement.addChild(commentElement);
                    while (xmlReader.hasNext()
                            && (localName.equals(ELEM_USER) || localName.equals(ELEM_TEXT))) {
                        if (localName.equals(ELEM_USER)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement userElement = factory.createOMElement(new QName(ELEM_USER));
                                userElement.setText(text);
                                commentElement.addChild(userElement);
                            }
                        } else if (localName.equals(ELEM_TEXT)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement textElement = factory.createOMElement(new QName(ELEM_TEXT));
                                textElement.setText(text);
                                commentElement.addChild(textElement);
                            }
                        }

                        do {
                            xmlReader.next();
                        } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                                && !(xmlReader.isEndElement()
                                        && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                        if (xmlReader.hasNext()) {
                            localName = xmlReader.getLocalName();
                        }
                    }
                }
            }
            // getting tagging information
            else if (localName.equals(ELEM_TAGGINGS)) {
                // iterating trying to find the children..
                OMElement taggingsElement = factory.createOMElement(new QName(ELEM_TAGGINGS));
                root.addChild(taggingsElement);
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                while (xmlReader.hasNext() && xmlReader.getLocalName().equals(ELEM_TAGGING)) {
                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext() && !(xmlReader.isEndElement()
                            && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));

                    localName = xmlReader.getLocalName();

                    OMElement taggingElement = factory.createOMElement(new QName(ELEM_TAGGING));
                    taggingsElement.addChild(taggingElement);

                    while (xmlReader.hasNext() && (localName.equals(ELEM_USER) || localName.equals(ELEM_DATE)
                            || localName.equals(ELEM_TAG_NAME))) {
                        if (localName.equals(ELEM_USER)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement userElement = factory.createOMElement(new QName(ELEM_USER));
                                userElement.setText(text);
                                taggingElement.addChild(userElement);
                            }
                        } else if (localName.equals(ELEM_DATE)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement dateElement = factory.createOMElement(new QName(ELEM_DATE));
                                dateElement.setText(text);
                                taggingElement.addChild(dateElement);
                            }
                        } else if (localName.equals(ELEM_TAG_NAME)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement tagNameElement = factory.createOMElement(new QName(ELEM_TAG_NAME));
                                tagNameElement.setText(text);
                                taggingElement.addChild(tagNameElement);
                            }
                        }
                        do {
                            xmlReader.next();
                        } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                                && !(xmlReader.isEndElement()
                                        && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                        if (xmlReader.hasNext()) {
                            localName = xmlReader.getLocalName();
                        }
                    }
                }
            }
            // getting rating information
            else if (localName.equals(ELEM_RATINGS)) {
                // iterating trying to find the children..
                OMElement ratingsElement = factory.createOMElement(new QName(ELEM_RATINGS));
                root.addChild(ratingsElement);
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                while (xmlReader.hasNext() && xmlReader.getLocalName().equals(ELEM_RATING)) {
                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext());

                    localName = xmlReader.getLocalName();

                    OMElement ratingElement = factory.createOMElement(new QName(ELEM_RATING));
                    ratingsElement.addChild(ratingElement);

                    while (xmlReader.hasNext() && (localName.equals(ELEM_USER) || localName.equals(ELEM_DATE)
                            || localName.equals(ELEM_RATE))) {
                        if (localName.equals(ELEM_USER)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement userElement = factory.createOMElement(new QName(ELEM_USER));
                                userElement.setText(text);
                                ratingElement.addChild(userElement);
                            }
                        } else if (localName.equals(ELEM_DATE)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement dateElement = factory.createOMElement(new QName(ELEM_DATE));
                                dateElement.setText(text);
                                ratingElement.addChild(dateElement);
                            }
                        } else if (localName.equals(ELEM_RATE)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement rateElement = factory.createOMElement(new QName(ELEM_RATE));
                                rateElement.setText(text);
                                ratingElement.addChild(rateElement);
                            }
                        }
                        do {
                            xmlReader.next();
                        } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                                && !(xmlReader.isEndElement()
                                        && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                        if (xmlReader.hasNext()) {
                            localName = xmlReader.getLocalName();
                        }
                    }
                }
            }
            // getting rating information
            else if (localName.equals(ELEM_ASSOCIATIONS)) {
                // iterating trying to find the children..
                OMElement associationsElement = factory.createOMElement(new QName(ELEM_ASSOCIATIONS));
                root.addChild(associationsElement);
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                        && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                while (xmlReader.hasNext() && xmlReader.getLocalName().equals(ELEM_ASSOCIATION)) {

                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext() && !(xmlReader.isEndElement()
                            && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));

                    localName = xmlReader.getLocalName();

                    OMElement associationElement = factory.createOMElement(new QName(ELEM_ASSOCIATION));
                    associationsElement.addChild(associationElement);

                    while (xmlReader.hasNext() && (localName.equals(ELEM_SOURCE)
                            || localName.equals(ELEM_DESTINATION) || localName.equals(ELEM_TYPE))) {
                        if (localName.equals(ELEM_SOURCE)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement sourceElement = factory.createOMElement(new QName(ELEM_SOURCE));
                                sourceElement.setText(text);
                                associationElement.addChild(sourceElement);
                            }
                        } else if (localName.equals(ELEM_DESTINATION)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement destinationElement = factory
                                        .createOMElement(new QName(ELEM_DESTINATION));
                                destinationElement.setText(text);
                                associationElement.addChild(destinationElement);
                            }
                        } else if (localName.equals(ELEM_TYPE)) {
                            String text = xmlReader.getElementText();
                            if (text != null) {
                                OMElement typeElement = factory.createOMElement(new QName(ELEM_TYPE));
                                typeElement.setText(text);
                                associationElement.addChild(typeElement);
                            }
                        }
                        do {
                            xmlReader.next();
                        } while (!xmlReader.isStartElement() && xmlReader.hasNext()
                                && !(xmlReader.isEndElement()
                                        && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE)));
                        if (xmlReader.hasNext()) {
                            localName = xmlReader.getLocalName();
                        }
                    }
                }
            } else if (localName.equals(ELEM_CHILDREN) || localName.equals(Utils.ELEM_RESOURCE)) {
                // checking the children or content element to terminate the check.
                break;
            } else {
                // we do mind having unwanted elements, now go to the next element
                break;
            }

            if ((xmlReader.isEndElement() && xmlReader.getLocalName().equals(Utils.ELEM_RESOURCE))) {
                // here we come the end of the resource tag
                break;
            }
        }
        return root;
    } catch (XMLStreamException e) {
        throw new SynchronizationException(MessageCode.ERROR_IN_READING_STREAM_TO_CREATE_META_FILE, e);
    }
}

---

From source file:org.wso2.carbon.repository.core.ResourceStorer.java

private void restoreRecursively(String path, XMLStreamReader xmlReader, DumpReader dumpReader,
        long currentVersion, boolean resourceExists) throws RepositoryException, XMLStreamException {
    while (!xmlReader.isStartElement() && xmlReader.hasNext()) {
        xmlReader.next();//from  www .ja v  a 2  s  .  co  m
    }

    if (!xmlReader.hasNext()) {
        return;
    }

    if (!xmlReader.getLocalName().equals(DumpConstants.RESOURCE)) {
        String msg = "Invalid dump to restore at " + path;
        log.error(msg);
        throw new RepositoryException(msg);
    }

    String incomingParentPath = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_PATH);

    String resourceName = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_NAME);
    String ignoreConflictsStrValue = xmlReader.getAttributeValue(null, DumpConstants.IGNORE_CONFLICTS);

    boolean ignoreConflicts = true;

    if (ignoreConflictsStrValue != null && Boolean.toString(false).equals(ignoreConflictsStrValue)) {
        ignoreConflicts = false;
    }

    String isCollectionString = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_IS_COLLECTION);
    boolean isCollection = isCollectionString.equals(DumpConstants.RESOURCE_IS_COLLECTION_TRUE);

    if (path.equals(RepositoryConstants.ROOT_PATH) && !isCollection) {
        String msg = "Illegal to restore a non-collection in place of root collection.";
        log.error(msg);
        throw new RepositoryException(msg);
    }

    String status = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_STATUS);

    if (DumpConstants.RESOURCE_DELETED.equals(status) && resourceExists) {
        delete(path);
        return;
    }

    ResourceImpl resourceImpl;
    byte[] contentBytes = new byte[0];

    if (isCollection) {
        resourceImpl = new CollectionImpl();
    } else {
        resourceImpl = new ResourceImpl();
    }

    boolean isCreatorExisting = false;
    boolean isCreatedTimeExisting = false;
    boolean isUpdaterExisting = false;
    boolean isUpdatedTimeExisting = false;
    long dumpingResourceVersion = -1;

    do {
        xmlReader.next();
    } while (!xmlReader.isStartElement() && xmlReader.hasNext());

    while (xmlReader.hasNext()) {
        String localName = xmlReader.getLocalName();

        // setMediaType
        if (localName.equals(DumpConstants.MEDIA_TYPE)) {
            String text = xmlReader.getElementText();
            if (text.indexOf('/') < 0) {
                text = MediaTypesUtils.getMediaType("dummy." + text);
            }
            if (text != null) {
                resourceImpl.setMediaType(text);
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        } else if (localName.equals(DumpConstants.CREATOR)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                resourceImpl.setAuthorUserName(text);
                isCreatorExisting = true;
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // version: just to keep track of the server changes
        else if (localName.equals(DumpConstants.VERSION)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                dumpingResourceVersion = Long.parseLong(text);
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // uuid: just to keep track of the server changes
        else if (localName.equals(DumpConstants.UUID)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                resourceImpl.setUUID(text);
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // createdTime
        else if (localName.equals(DumpConstants.CREATED_TIME)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                long date = Long.parseLong(text);
                resourceImpl.setCreatedTime(new Date(date));
                isCreatedTimeExisting = true;
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // setLastUpdater
        else if (localName.equals(DumpConstants.LAST_UPDATER)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                resourceImpl.setLastUpdaterUserName(text);
                isUpdaterExisting = true;
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // LastModified
        else if (localName.equals(DumpConstants.LAST_MODIFIED)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                long date = Long.parseLong(text);
                resourceImpl.setLastModified(new Date(date));
                isUpdatedTimeExisting = true;
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // get description
        else if (localName.equals(DumpConstants.DESCRIPTION)) {
            String text = xmlReader.getElementText();
            if (text != null) {
                resourceImpl.setDescription(text);
            }
            // now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
        // get properties
        else if (localName.equals(DumpConstants.PROPERTIES)) {
            // iterating trying to find the children..
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
            while (xmlReader.hasNext() && xmlReader.getLocalName().equals(DumpConstants.PROPERTY_ENTRY)) {
                String key = xmlReader.getAttributeValue(null, DumpConstants.PROPERTY_ENTRY_KEY);
                String text = xmlReader.getElementText();
                if (text.equals("")) {
                    text = null;
                }
                if (text != null) {
                    resourceImpl.addPropertyWithNoUpdate(key, text);
                }
                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext());
            }
        }
        // get content
        else if (localName.equals(DumpConstants.CONTENT)) {
            String text = xmlReader.getElementText();
            // we keep content as base64 encoded
            if (text != null) {
                contentBytes = DatatypeConverter.parseBase64Binary(text);
            }
            do {
                xmlReader.next();
            } while ((!xmlReader.isStartElement() && xmlReader.hasNext())
                    && !(xmlReader.isEndElement() && xmlReader.getLocalName().equals(DumpConstants.RESOURCE)));
        }

        // getting rating information
        else if (localName.equals(DumpConstants.ASSOCIATIONS)) {
            // iterating trying to find the children..
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
            while (xmlReader.hasNext() && xmlReader.getLocalName().equals(DumpConstants.ASSOCIATION_ENTRY)) {
                String source = null;
                String destination = null;
                String type = null;

                do {
                    xmlReader.next();
                } while (!xmlReader.isStartElement() && xmlReader.hasNext());

                localName = xmlReader.getLocalName();
                while (xmlReader.hasNext() && (localName.equals(DumpConstants.ASSOCIATION_ENTRY_SOURCE)
                        || localName.equals(DumpConstants.ASSOCIATION_ENTRY_DESTINATION)
                        || localName.equals(DumpConstants.ASSOCIATION_ENTRY_TYPE))) {
                    if (localName.equals(DumpConstants.ASSOCIATION_ENTRY_SOURCE)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            source = text;
                        }
                    } else if (localName.equals(DumpConstants.ASSOCIATION_ENTRY_DESTINATION)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            destination = text;
                        }
                    } else if (localName.equals(DumpConstants.ASSOCIATION_ENTRY_TYPE)) {
                        String text = xmlReader.getElementText();
                        if (text != null) {
                            type = text;
                        }
                    }
                    do {
                        xmlReader.next();
                    } while (!xmlReader.isStartElement() && xmlReader.hasNext());
                    if (xmlReader.hasNext()) {
                        localName = xmlReader.getLocalName();
                    }
                }
                // get the source and destination as absolute paths
                source = RepositoryUtils.getAbsoluteAssociationPath(source, path);
                if (destination.startsWith(DumpConstants.EXTERNAL_ASSOCIATION_DESTINATION_PREFIX)) {
                    destination = destination
                            .substring(DumpConstants.EXTERNAL_ASSOCIATION_DESTINATION_PREFIX.length());
                } else {
                    destination = RepositoryUtils.getAbsoluteAssociationPath(destination, path);
                }
                //                    associationList.add(new Association(source, destination, type));
            }
        }

        // getting children, just storing in array list now, will used at the end
        // we are keeping old name to keep backward compatibility.
        else if (localName.equals(DumpConstants.CHILDREN) || localName.equals(DumpConstants.CHILDS)) {
            // we keep the stream to call this function recursively
            break;
        } else if (localName.equals(DumpConstants.RESOURCE)) {
            // we keep the stream to call this function recursively
            break;
        } else {
            // we don't mind having unwanted elements, now go to the next element
            do {
                xmlReader.next();
            } while (!xmlReader.isStartElement() && xmlReader.hasNext());
        }
    }

    if (!ignoreConflicts) {
        // so we handling the conflicts.
        if (dumpingResourceVersion > 0) {
            if (currentVersion == -1) {
                // the current version == -1 means the resource is deleted in the server
                // but since the client is sending a version number, it has a previously checkout
                // resource
                String msg = "Resource is deleted in the server, resource path: " + path + ".";
                log.error(msg);
                throw new RepositoryException(msg);
            }
            // we should check whether our dump is up-to-date
            if (currentVersion > dumpingResourceVersion) {
                // that mean the current resource is updated before the current version
                // so we have to notify user to get an update
                String msg = "Resource is in a newer version than the restoring version. " + "resource path: "
                        + path + ".";
                log.error(msg);
                throw new RepositoryException(msg);
            }
        }
    }

    // completing the empty fields
    if (!isCreatorExisting) {
        String creator = CurrentContext.getUser();
        resourceImpl.setAuthorUserName(creator);
    }

    if (!isCreatedTimeExisting) {
        long now = System.currentTimeMillis();
        resourceImpl.setCreatedTime(new Date(now));
    }

    if (!isUpdaterExisting) {
        String updater = CurrentContext.getUser();
        resourceImpl.setLastUpdaterUserName(updater);
    }

    if (!isUpdatedTimeExisting) {
        long now = System.currentTimeMillis();
        resourceImpl.setLastModified(new Date(now));
    }

    if (resourceImpl.getUUID() == null) {
        setUUIDForResource(resourceImpl);
    }

    // create sym links
    String linkRestoration = resourceImpl.getPropertyValue(InternalConstants.REGISTRY_LINK_RESTORATION);
    if (linkRestoration != null) {
        String[] parts = linkRestoration.split(RepositoryConstants.URL_SEPARATOR);

        if (parts.length == 4) {
            if (parts[2] != null && parts[2].length() == 0) {
                parts[2] = null;
            }
            if (parts[0] != null && parts[1] != null && parts[3] != null) {
                InternalUtils.registerHandlerForRemoteLinks(RepositoryContext.getBaseInstance(), parts[0],
                        parts[1], parts[2], parts[3]);
            }
        } else if (parts.length == 3) {
            // here parts[0] the current path, path[1] is the target path.
            if (parts[0] != null && parts[1] != null) {
                // first we are calculating the relative path of path[1] to path[0]
                String relativeTargetPath = RepositoryUtils.getRelativeAssociationPath(parts[1], parts[0]);
                // then we derive the absolute path with reference to the current path.
                String absoluteTargetPath = RepositoryUtils.getAbsoluteAssociationPath(relativeTargetPath,
                        path);
                InternalUtils.registerHandlerForSymbolicLinks(RepositoryContext.getBaseInstance(), path,
                        absoluteTargetPath, parts[2]);
            }
        }
    }

    synchronized (this) {
        ResourceIDImpl resourceID = null;
        ResourceDO resourceDO = null;

        if (resourceDAO.resourceExists(path)) {
            resourceID = resourceDAO.getResourceID(path);
            resourceDO = resourceDAO.getResourceDO(resourceID);

            if (resourceDO == null) {
                if (isCollection) {
                    resourceID = resourceDAO.getResourceID(path, isCollection);

                    if (resourceID != null) {
                        resourceDO = resourceDAO.getResourceDO(resourceID);
                    }
                }

                if (resourceDO == null) {
                    return;
                }
            }
        }

        if (DumpConstants.RESOURCE_UPDATED.equals(status) || DumpConstants.RESOURCE_ADDED.equals(status)
                || DumpConstants.RESOURCE_DUMP.equals(status)) {
            if (resourceDAO.resourceExists(path)) {
                if (DumpConstants.RESOURCE_DUMP.equals(status)) {
                    delete(path);
                } else {
                    deleteNode(resourceID, resourceDO, true);
                }
            }

            if (resourceID == null) {
                // need to create a resourceID
                String parentPath = RepositoryUtils.getParentPath(path);

                ResourceIDImpl parentResourceID = resourceDAO.getResourceID(parentPath, true);
                if (parentResourceID == null || !resourceDAO.resourceExists(parentResourceID)) {
                    addEmptyCollection(parentPath);
                    if (parentResourceID == null) {
                        parentResourceID = resourceDAO.getResourceID(parentPath, true);
                    }
                }
                resourceDAO.createAndApplyResourceID(path, parentResourceID, resourceImpl);
            } else {
                resourceImpl.setPathID(resourceID.getPathID());
                resourceImpl.setName(resourceID.getName());
                resourceImpl.setPath(path);
            }

            // adding resource followed by content (for nonCollection)
            if (!isCollection) {
                int contentId = 0;

                if (contentBytes.length > 0) {
                    contentId = resourceDAO.addContentBytes(new ByteArrayInputStream(contentBytes));
                }

                resourceImpl.setDbBasedContentID(contentId);
            }

            resourceDO = resourceImpl.getResourceDO();
            resourceDAO.addResourceDO(resourceDO);
            resourceImpl.setVersionNumber(resourceDO.getVersion());

            // adding the properties.
            resourceDAO.addProperties(resourceImpl);
        }
    }

    if (!xmlReader.hasNext() || !(xmlReader.getLocalName().equals(DumpConstants.CHILDREN)
            || xmlReader.getLocalName().equals(DumpConstants.CHILDS))) {
        // finished the recursion
        return;
    }

    do {
        xmlReader.next();
        if (xmlReader.isEndElement() && (xmlReader.getLocalName().equals(DumpConstants.CHILDREN)
                || xmlReader.getLocalName().equals(DumpConstants.CHILDS))) {
            // this means empty children, just quit from here
            // before that we have to set the cursor to the start of the next element
            if (xmlReader.hasNext()) {
                do {
                    xmlReader.next();
                } while ((!xmlReader.isStartElement() && xmlReader.hasNext()) && !(xmlReader.isEndElement()
                        && xmlReader.getLocalName().equals(DumpConstants.RESOURCE)));
            }
            Resource resource = get(path);

            if (resource instanceof Collection) {
                String[] existingChildren = ((Collection) resource).getChildPaths();
                for (String existingChild : existingChildren) {
                    delete(existingChild);
                }
            }

            return;
        }
    } while (!xmlReader.isStartElement() && xmlReader.hasNext());

    int i = 0;

    if (xmlReader.hasNext() && xmlReader.getLocalName().equals(DumpConstants.RESOURCE)) {
        Set<String> childPathSet = new HashSet<String>();

        while (true) {
            if (i != 0) {
                dumpReader.setReadingChildResourceIndex(i);

                // otherwise we will set the stuff for the next resource
                // get an xlm reader in the checking child by parent mode.
                xmlReader = XMLInputFactory.newInstance().createXMLStreamReader(dumpReader);

                while (!xmlReader.isStartElement() && xmlReader.hasNext()) {
                    xmlReader.next();
                }
            }

            String absoluteChildPath;

            if (incomingParentPath != null) {
                // the code to support backward compatibility.
                // prepare the children absolute path
                String incomingChildPath = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_PATH);
                /*                    if (!incomingChildPath.startsWith(incomingParentPath)) {
                //break;
                                    }*/

                String relativeChildPath;

                if (incomingParentPath.equals(RepositoryConstants.ROOT_PATH)) {
                    relativeChildPath = incomingChildPath;
                } else {
                    if (incomingParentPath.contains(incomingChildPath)) {
                        relativeChildPath = incomingChildPath.substring(incomingParentPath.length());
                    } else {
                        // this happens only at some custom editing of dump.xml
                        relativeChildPath = null;
                    }
                }
                if (relativeChildPath != null) {
                    if (path.equals(RepositoryConstants.ROOT_PATH)) {
                        absoluteChildPath = relativeChildPath;
                    } else {
                        absoluteChildPath = path + relativeChildPath;
                    }
                } else {
                    String checkoutRoot = path.substring(0, path.length() - incomingParentPath.length());
                    absoluteChildPath = checkoutRoot + incomingChildPath;
                }
            } else if (resourceName != null) {
                String childName = xmlReader.getAttributeValue(null, DumpConstants.RESOURCE_NAME);
                absoluteChildPath = path
                        + (path.equals(RepositoryConstants.ROOT_PATH) ? "" : RepositoryConstants.PATH_SEPARATOR)
                        + childName;
            } else {
                String msg = "Error in deriving the child paths for collection. path: " + path + ".";
                log.error(msg);
                throw new RepositoryException(msg);
            }

            // we give the control back to the child.
            dumpReader.setCheckingChildByParent(false);

            dumpReader.setReadingChildResourceIndex(i);
            // call the check in method recursively

            recursionRepository.restoreRecursively(absoluteChildPath, dumpReader);
            childPathSet.add(absoluteChildPath);

            dumpReader.setCheckingChildByParent(true);

            try {
                if (dumpReader.isLastResource(i)) {
                    dumpReader.setCheckingChildByParent(false);
                    break;
                }
            } catch (IOException e) {
                String msg = "Error in checking the last resource exists.";
                log.error(msg, e);
                throw new RepositoryException(msg + e.getMessage(), e);
            }
            // by this time i ++ child resource should exist
            i++;
        }

        Collection parent = (Collection) get(path);
        String[] existingChildren = parent.getChildPaths();

        for (String existingChild : existingChildren) {
            if (!childPathSet.contains(existingChild)) {
                delete(existingChild);
            }
        }
    }
}

---

From source file:org.xwiki.contrib.confluence.filter.internal.ConfluenceXMLPackage.java

private long readObjectProperties(XMLStreamReader xmlReader, PropertiesConfiguration properties)
        throws XMLStreamException, FilterException {
    long id = -1;

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        String elementName = xmlReader.getLocalName();

        if (elementName.equals("id")) {
            String idName = xmlReader.getAttributeValue(null, "name");

            if (idName != null && idName.equals("id")) {
                id = Long.valueOf(xmlReader.getElementText());

                properties.setProperty("id", id);
            } else {
                StAXUtils.skipElement(xmlReader);
            }/* w ww . j ava2 s. c  o m*/
        } else if (elementName.equals("property") || elementName.equals("collection")) {
            String propertyName = xmlReader.getAttributeValue(null, "name");

            properties.setProperty(propertyName, readProperty(xmlReader));
        } else {
            StAXUtils.skipElement(xmlReader);
        }
    }

    return id;
}

---

From source file:org.xwiki.contrib.confluence.filter.internal.ConfluenceXMLPackage.java

private Object readProperty(XMLStreamReader xmlReader) throws XMLStreamException, FilterException {
    String propertyClass = xmlReader.getAttributeValue(null, "class");

    if (propertyClass == null) {
        return fixCData(xmlReader.getElementText());
    } else if (propertyClass.equals("java.util.List") || propertyClass.equals("java.util.Collection")) {
        return readListProperty(xmlReader);
    } else if (propertyClass.equals("java.util.Set")) {
        return readSetProperty(xmlReader);
    } else if (propertyClass.equals("Page") || propertyClass.equals("Space")
            || propertyClass.equals("BodyContent") || propertyClass.equals("Attachment")
            || propertyClass.equals("SpaceDescription") || propertyClass.equals("Labelling")
            || propertyClass.equals("SpacePermission") || propertyClass.equals("InternalGroup")
            || propertyClass.equals("InternalUser") || propertyClass.equals("Comment")
            || propertyClass.equals("ContentProperty")) {
        return readObjectReference(xmlReader);
    } else {/*from w  ww .ja  va 2  s  .  co m*/
        StAXUtils.skipElement(xmlReader);
    }

    return null;
}

---

From source file:org.xwiki.contrib.confluence.filter.internal.ConfluenceXMLPackage.java

private Long readObjectReference(XMLStreamReader xmlReader) throws FilterException, XMLStreamException {
    xmlReader.nextTag();//w w  w . ja v  a  2  s .c o m

    if (!xmlReader.getLocalName().equals("id")) {
        throw new FilterException(
                String.format("Was expecting id element but found [%s]", xmlReader.getLocalName()));
    }

    Long id = Long.valueOf(xmlReader.getElementText());

    xmlReader.nextTag();

    return id;
}

---

From source file:org.xwiki.filter.confluence.xml.internal.ConfluenceXMLPackage.java

private int readObjectProperties(XMLStreamReader xmlReader, PropertiesConfiguration properties)
        throws XMLStreamException, FilterException, ConfigurationException, IOException {
    int id = -1;//  www  .  j av  a  2 s .  co  m

    for (xmlReader.nextTag(); xmlReader.isStartElement(); xmlReader.nextTag()) {
        String elementName = xmlReader.getLocalName();

        if (elementName.equals("id")) {
            id = Integer.valueOf(xmlReader.getElementText());

            properties.setProperty("id", id);
        } else if (elementName.equals("property")) {
            String propertyName = xmlReader.getAttributeValue(null, "name");

            properties.setProperty(propertyName, readProperty(xmlReader));
        } else if (elementName.equals("collection")) {
            String propertyName = xmlReader.getAttributeValue(null, "name");

            properties.setProperty(propertyName, readProperty(xmlReader));
        } else {
            StAXUtils.skipElement(xmlReader);
        }
    }

    return id;
}

---

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