Example usage for javax.xml.stream XMLStreamConstants START

Introduction

In this page you can find the example usage for javax.xml.stream XMLStreamConstants START_ELEMENT.

Prototype

int START_ELEMENT

To view the source code for javax.xml.stream XMLStreamConstants START_ELEMENT.

Click Source Link

Document

Indicates an event is a start element

Usage

From source file:org.springmodules.remoting.xmlrpc.stax.AbstractStaxXmlRpcParser.java

/**
 * Creates a new Object from the current element being read in the specified
 * <code>StreamReader</code>.
 * /*  w  w w  .j  av a 2 s  .  com*/
 * @param reader
 *          the <code>StreamReader</code>.
 * @return the created Object.
 * @throws XmlRpcInvalidPayloadException
 *           if the element contains an unknown child.
 * @see #parseArrayElement(XMLStreamReader)
 * @see #parseStructElement(XMLStreamReader)
 */
protected final XmlRpcElement parseValueElement(XMLStreamReader reader) throws XMLStreamException {

    while (reader.hasNext()) {
        int event = reader.next();
        String localName = null;

        switch (event) {
        case XMLStreamConstants.START_ELEMENT:
            localName = reader.getLocalName();

            if (XmlRpcElementNames.ARRAY.equals(localName)) {
                return parseArrayElement(reader);

            } else if (XmlRpcElementNames.BASE_64.equals(localName)) {
                String source = reader.getElementText();
                return new XmlRpcBase64(source);

            } else if (XmlRpcElementNames.BOOLEAN.equals(localName)) {
                String source = reader.getElementText();
                return new XmlRpcBoolean(source);

            } else if (XmlRpcElementNames.DATE_TIME.equals(localName)) {
                String source = reader.getElementText();
                return new XmlRpcDateTime(source);

            } else if (XmlRpcElementNames.DOUBLE.equals(localName)) {
                String source = reader.getElementText();
                return new XmlRpcDouble(source);

            } else if (XmlRpcElementNames.I4.equals(localName) || XmlRpcElementNames.INT.equals(localName)) {
                String source = reader.getElementText();
                return new XmlRpcInteger(source);

            } else if (XmlRpcElementNames.STRING.equals(localName)
                    || XmlRpcElementNames.INT.equals(localName)) {
                String source = reader.getElementText();
                return new XmlRpcString(source);

            } else if (XmlRpcElementNames.STRUCT.equals(localName)) {
                return parseStructElement(reader);

            } else {
                XmlRpcParsingUtils.handleUnexpectedElementFound(localName);
            }

        case XMLStreamConstants.CHARACTERS:
            String source = reader.getText();
            return new XmlRpcString(source);
        }
    }

    // we should not reach this point.
    return null;
}

From source file:org.talend.dataprep.schema.xls.streaming.StreamingSheetReader.java

/**
 * Handles a Stream event./* w  w  w. j a  v a  2s .  c o m*/
 *
 * @param event
 * @throws SAXException
 */
private void handleEvent(XMLEvent event) throws SAXException {
    if (event.getEventType() == XMLStreamConstants.CHARACTERS) {
        Characters c = event.asCharacters();
        lastContents += c.getData();
    } else if (event.getEventType() == XMLStreamConstants.START_ELEMENT) {
        StartElement startElement = event.asStartElement();
        String tagLocalName = startElement.getName().getLocalPart();

        if ("row".equals(tagLocalName)) {
            Attribute rowIndex = startElement.getAttributeByName(new QName("r"));
            if (firstRowIndex == -1) {
                firstRowIndex = Integer.parseInt(rowIndex.getValue());
            }
            currentRow = new StreamingRow(Integer.parseInt(rowIndex.getValue()) - 1);
        } else if ("cols".equals(tagLocalName)) {
            parsingCols = true;
        } else if ("col".equals(tagLocalName) && parsingCols) {
            colNumber = colNumber + 1;
        } else if ("c".equals(tagLocalName)) {
            Attribute ref = startElement.getAttributeByName(new QName("r"));

            String[] coord = ref.getValue().split("(?<=\\D)(?=\\d)|(?<=\\d)(?=\\D)");
            currentCell = new StreamingCell(CellReference.convertColStringToIndex(coord[0]),
                    Integer.parseInt(coord[1]) - 1);
            setFormatString(startElement, currentCell);

            Attribute type = startElement.getAttributeByName(new QName("t"));
            if (type != null) {
                currentCell.setType(type.getValue());
            } else {
                currentCell.setType("n");
            }

            Attribute style = startElement.getAttributeByName(new QName("s"));
            if (style != null) {
                String indexStr = style.getValue();
                try {
                    int index = Integer.parseInt(indexStr);
                    currentCell.setCellStyle(stylesTable.getStyleAt(index));
                } catch (NumberFormatException nfe) {
                    LOGGER.warn("Ignoring invalid style index {}", indexStr);
                }
            }
            // we store the dimension as well to revert with this method when cols not found
            // can happen see xlsx attached here https://jira.talendforge.org/browse/TDP-1957
            // <dimension ref="A1:B60"/>
        } else if ("dimension".equals(tagLocalName)) {
            Attribute attribute = startElement.getAttributeByName(new QName("ref"));
            if (attribute != null) {
                this.dimension = attribute.getValue();
            }
        }

        // Clear contents cache
        lastContents = "";
    } else if (event.getEventType() == XMLStreamConstants.END_ELEMENT) {
        EndElement endElement = event.asEndElement();
        String tagLocalName = endElement.getName().getLocalPart();

        if ("v".equals(tagLocalName) || "t".equals(tagLocalName)) {
            currentCell.setRawContents(unformattedContents());
            currentCell.setContents(formattedContents());
        } else if ("row".equals(tagLocalName) && currentRow != null) {
            rowCache.add(currentRow);
        } else if ("c".equals(tagLocalName)) {
            currentRow.getCellMap().put(currentCell.getColumnIndex(), currentCell);
        } else if ("cols".equals(tagLocalName)) {
            parsingCols = false;
        }

    }
}

From source file:org.tobarsegais.webapp.data.Index.java

public static Index read(String bundle, XMLStreamReader reader) throws XMLStreamException {
    while (reader.hasNext() && !reader.isStartElement()) {
        reader.next();// ww w  .  ja v a  2 s . co  m
    }
    if (reader.getEventType() != XMLStreamConstants.START_ELEMENT) {
        throw new IllegalStateException("Expecting a start element");
    }
    if (!"index".equals(reader.getLocalName())) {
        throw new IllegalStateException("Expecting a <index> element, found a <" + reader.getLocalName() + ">");
    }
    List<IndexEntry> entries = new ArrayList<IndexEntry>();
    int depth = 0;
    while (reader.hasNext() && depth >= 0) {
        switch (reader.next()) {
        case XMLStreamConstants.START_ELEMENT:
            if (depth == 0 && "entry".equals(reader.getLocalName())) {
                entries.add(IndexEntry.read(bundle, Collections.<String>emptyList(), reader));
            } else {
                depth++;
            }
            break;
        case XMLStreamConstants.END_ELEMENT:
            depth--;
            break;
        }
    }
    return new Index(entries);
}

From source file:org.tobarsegais.webapp.data.Plugin.java

public static Plugin read(XMLStreamReader reader) throws XMLStreamException {
    while (reader.hasNext() && !reader.isStartElement()) {
        reader.next();//w w  w .  j a va 2  s .  c om
    }
    if (reader.getEventType() != XMLStreamConstants.START_ELEMENT) {
        throw new IllegalStateException("Expecting a start element");
    }
    if (!"plugin".equals(reader.getLocalName())) {
        throw new IllegalStateException("Expecting a <plugin> element");
    }
    String name = reader.getAttributeValue(null, "name");
    String id = reader.getAttributeValue(null, "id");
    String version = reader.getAttributeValue(null, "version");
    String providerName = reader.getAttributeValue(null, "provider-name");
    List<Extension> extensions = new ArrayList<Extension>();
    int depth = 0;
    while (reader.hasNext() && depth >= 0) {
        switch (reader.next()) {
        case XMLStreamConstants.START_ELEMENT:
            if (depth == 0 && "extension".equals(reader.getLocalName())) {
                extensions.add(Extension.read(reader));
            } else {
                depth++;
            }
            break;
        case XMLStreamConstants.END_ELEMENT:
            depth--;
            break;
        }
    }
    return new Plugin(name, id, version, providerName, extensions);
}

From source file:org.tobarsegais.webapp.data.Toc.java

public static Toc read(XMLStreamReader reader) throws XMLStreamException {
    while (reader.hasNext() && !reader.isStartElement()) {
        reader.next();//  w ww .  jav a2  s. co m
    }
    if (reader.getEventType() != XMLStreamConstants.START_ELEMENT) {
        throw new IllegalStateException("Expecting a start element");
    }
    if (!"toc".equals(reader.getLocalName())) {
        throw new IllegalStateException("Expecting a <toc> element");
    }
    String label = reader.getAttributeValue(null, "label");
    String topic = reader.getAttributeValue(null, "topic");
    List<Topic> topics = new ArrayList<Topic>();
    int depth = 0;
    while (reader.hasNext() && depth >= 0) {
        switch (reader.next()) {
        case XMLStreamConstants.START_ELEMENT:
            if (depth == 0 && "topic".equals(reader.getLocalName())) {
                topics.add(Topic.read(reader));
            } else {
                depth++;
            }
            break;
        case XMLStreamConstants.END_ELEMENT:
            depth--;
            break;
        }
    }
    return new Toc(label, topic, topics);
}

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

public AppDescriptor getDescriptorFromFile(File f) throws PluginVersionException {
    XMLStreamReader reader;//w  w w . j  a v a 2  s .  c om

    try {
        JarFile jar = new JarFile(f);
        ZipEntry entry = jar.getEntry("plugin.xml");
        if (entry != null) {
            InputStream entryStream = jar.getInputStream(entry);
            reader = XMLInputFactory.newInstance().createXMLStreamReader(entryStream);
            String className = null;
            String id = null;
            String version = null;
            String sdkVersion = null;
            String name = null;
            String category = AppDescriptor.Category.UTILITY.toString();
            String currentElement = null;
            String currentText = "";
            do {
                switch (reader.next()) {
                case XMLStreamConstants.START_ELEMENT:
                    switch (readElement(reader)) {
                    case PLUGIN:
                        className = readAttribute(reader, AppDescriptor.PluginXMLAttribute.CLASS);

                        //category can be specified as an attribute or <property>.
                        category = readAttribute(reader, AppDescriptor.PluginXMLAttribute.CATEGORY);
                        break;

                    case ATTRIBUTE:
                        if ("sdk-version".equals(readAttribute(reader, AppDescriptor.PluginXMLAttribute.ID))) {
                            sdkVersion = readAttribute(reader, AppDescriptor.PluginXMLAttribute.VALUE);
                        }
                        break;

                    case PARAMETER:
                        if ("name".equals(readAttribute(reader, AppDescriptor.PluginXMLAttribute.ID))) {
                            name = readAttribute(reader, AppDescriptor.PluginXMLAttribute.VALUE);
                        }
                        break;

                    case PROPERTY:
                        if ("name".equals(readAttribute(reader, AppDescriptor.PluginXMLAttribute.NAME))) {
                            name = readAttribute(reader, AppDescriptor.PluginXMLAttribute.VALUE);
                            if (name == null) {
                                currentElement = "name";
                            }
                        }

                        if ("version".equals(readAttribute(reader, AppDescriptor.PluginXMLAttribute.NAME))) {
                            version = readAttribute(reader, AppDescriptor.PluginXMLAttribute.VALUE);
                            if (version == null) {
                                currentElement = "version";
                            }
                        }

                        if ("sdk-version"
                                .equals(readAttribute(reader, AppDescriptor.PluginXMLAttribute.NAME))) {
                            sdkVersion = readAttribute(reader, AppDescriptor.PluginXMLAttribute.VALUE);
                            if (sdkVersion == null) {
                                currentElement = "sdk-version";
                            }
                        }

                        if ("category".equals(readAttribute(reader, AppDescriptor.PluginXMLAttribute.NAME))) {
                            category = readAttribute(reader, AppDescriptor.PluginXMLAttribute.VALUE);
                            if (category == null) {
                                currentElement = "category";
                            }
                        }

                        break;
                    }
                    break;

                case XMLStreamConstants.CHARACTERS:
                    if (reader.isWhiteSpace()) {
                        break;
                    } else if (currentElement != null) {
                        currentText += reader.getText().trim().replace("\t", "");
                    }
                    break;

                case XMLStreamConstants.END_ELEMENT:
                    if (readElement(reader) == AppDescriptor.PluginXMLElement.PROPERTY) {
                        if (currentElement != null && currentText.length() > 0) {
                            if (currentElement.equals("name")) {
                                name = currentText;
                            } else if (currentElement.equals("sdk-version")) {
                                sdkVersion = currentText;
                            } else if (currentElement.equals("category")) {
                                category = currentText;
                            } else if (currentElement.equals("version")) {
                                version = currentText;
                            }
                        }
                        currentText = "";
                        currentElement = null;
                    }
                    break;

                case XMLStreamConstants.END_DOCUMENT:
                    reader.close();
                    reader = null;
                    break;
                }
            } while (reader != null);

            System.out.println(className + " " + name + " " + version);

            if (className != null && name != null && version != null) {
                return new AppDescriptor(className, version, name, sdkVersion, category, f);
            }
        }
    } catch (Exception x) {
        LOG.error("Error parsing plugin.xml from " + f.getAbsolutePath() + ": " + x);
    }
    throw new PluginVersionException(f.getName() + " did not contain a valid plugin");
}

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

public PluginIndex(URL url) throws IOException {
    urls = new HashMap<String, URL>();
    try {//from   w ww .  java 2  s . c om

        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:savant.file.Project.java

private void createFromXML(InputStream input) throws XMLStreamException, ParseException, IOException {
    trackPaths = new ArrayList<String>();
    trackModes = new ArrayList<DrawingMode>();
    bookmarks = new ArrayList<Bookmark>();
    controls = new ArrayList<String>();
    String genomeName = null;/*from   ww  w. j  av  a  2s  .  com*/
    String genomeDesc = null;
    String cytobandPath = null;
    List<ReferenceInfo> references = new ArrayList<ReferenceInfo>();

    reader = XMLInputFactory.newInstance().createXMLStreamReader(input);
    int version = -1;
    boolean done = false;
    do {
        switch (reader.next()) {
        case XMLStreamConstants.START_ELEMENT:
            switch (readElement()) {
            case savant:
                version = Integer.valueOf(readAttribute(XMLAttribute.version));
                Bookmark r = new Bookmark(readAttribute(XMLAttribute.range));
                range = (Range) r.getRange();
                reference = r.getReference();
                LOG.info("Reading project version " + version);
                break;
            case genome:
                genomeName = readAttribute(XMLAttribute.name);
                genomeDesc = readAttribute(XMLAttribute.description);
                genomePath = readAttribute(XMLAttribute.uri);
                cytobandPath = readAttribute(XMLAttribute.cytoband);
                break;
            case reference:
                references.add(new ReferenceInfo(readAttribute(XMLAttribute.name),
                        Integer.valueOf(readAttribute(XMLAttribute.length))));
                break;
            case track:
                trackPaths.add(readAttribute(XMLAttribute.uri));
                try {
                    trackModes.add(DrawingMode.valueOf(readAttribute(XMLAttribute.mode)));
                } catch (Exception x) {
                    // Mode attribute is invalid or missing.
                    trackModes.add(null);
                }
                break;
            case bookmark:
                Bookmark b = new Bookmark(readAttribute(XMLAttribute.range));
                b.setAnnotation(reader.getElementText());
                bookmarks.add(b);
                break;
            case control:
                controls.add(reader.getElementText());
                break;
            }
            break;
        case XMLStreamConstants.END_DOCUMENT:
            reader.close();
            done = true;
            break;
        }
    } while (!done);

    if (cytobandPath != null) {
        genome = new Genome(genomeName, genomeDesc, URI.create(cytobandPath), null);
    } else if (references.size() > 0) {
        genome = new Genome(genomeName, genomeDesc, references.toArray(new ReferenceInfo[0]));
    }
}

From source file:savant.plugin.PluginIndex.java

public PluginIndex(URL url) throws IOException {
    urls = new HashMap<String, URL>();
    try {/*w ww .  java  2 s  .c o  m*/
        XMLStreamReader reader = XMLInputFactory.newInstance()
                .createXMLStreamReader(NetworkUtils.openStream(url));
        boolean done = false;
        String id = null;
        do {
            switch (reader.next()) {
            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.info("Unable to parse \"" + reader.getElementText() + "\" as a plugin URL.");
                        }
                        id = null;
                    }
                }
                break;
            case XMLStreamConstants.END_DOCUMENT:
                reader.close();
                done = true;
                break;
            }
        } while (!done);
    } catch (XMLStreamException x) {
        throw new IOException("Unable to get version number from web-site.", x);
    }
}

From source file:savant.plugin.Tool.java

/**
 * The tool's arguments are contained in the associated plugin.xml file.
 *//*from w w  w . j ava2 s  . c  o  m*/
void parseDescriptor() throws XMLStreamException, FileNotFoundException {
    XMLStreamReader reader = XMLInputFactory.newInstance()
            .createXMLStreamReader(new FileInputStream(getDescriptor().getFile()));
    do {
        switch (reader.next()) {
        case XMLStreamConstants.START_ELEMENT:
            String elemName = reader.getLocalName().toLowerCase();
            if (elemName.equals("tool")) {
                baseCommand = reader.getElementText();
            } else if (elemName.equals("arg")) {
                // There's lots of crud in the XML file; we're just interested in the <arg> elements.
                arguments.add(new ToolArgument(reader));
            } else if (elemName.equals("progress")) {
                progressRegex = Pattern.compile(reader.getElementText());
            } else if (elemName.equals("error")) {
                errorRegex = Pattern.compile(reader.getElementText());
            }
            break;
        case XMLStreamConstants.END_DOCUMENT:
            reader.close();
            reader = null;
            break;
        }
    } while (reader != null);
}

Example usage for javax.xml.stream XMLStreamConstants START_ELEMENT

Introduction

Prototype

Document

Usage