Example usage for javax.xml.stream XMLEventReader hasNext

List of usage examples for javax.xml.stream XMLEventReader hasNext

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Introduction

In this page you can find the example usage for javax.xml.stream XMLEventReader hasNext.

Prototype

@Override
public boolean hasNext();

Source Link

Document

Check if there are more events.

Usage

From source file:com.msopentech.odatajclient.testservice.utils.XMLUtilities.java

public InputStream addAtomInlinecount(final InputStream feed, final int count, final Accept accept)
        throws Exception {
    final XMLEventReader reader = getEventReader(feed);

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final XMLOutputFactory xof = XMLOutputFactory.newInstance();
    final XMLEventWriter writer = xof.createXMLEventWriter(bos);

    try {/*from ww  w .ja  va 2s .  c  om*/

        final XmlElement feedElement = getAtomElement(reader, writer, "feed");

        writer.add(feedElement.getStart());
        addAtomElement(IOUtils.toInputStream(String.format("<m:count>%d</m:count>", count)), writer);
        writer.add(feedElement.getContentReader());
        writer.add(feedElement.getEnd());

        while (reader.hasNext()) {
            writer.add(reader.nextEvent());
        }

    } finally {
        writer.flush();
        writer.close();
        reader.close();
        IOUtils.closeQuietly(feed);
    }

    return new ByteArrayInputStream(bos.toByteArray());
}

From source file:com.msopentech.odatajclient.testservice.utils.XMLUtilities.java

@Override
public InputStream selectEntity(final InputStream entity, final String[] propertyNames) throws Exception {
    final XMLEventReader reader = getEventReader(entity);

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final XMLOutputFactory xof = XMLOutputFactory.newInstance();
    final XMLEventWriter writer = xof.createXMLEventWriter(bos);

    final List<String> found = new ArrayList<String>(Arrays.asList(propertyNames));

    boolean inProperties = false;
    boolean writeCurrent = true;
    Boolean writeNext = null;/*from w  w  w.j a  va 2s .c  om*/
    String currentName = null;

    final List<String> fieldToBeSaved = new ArrayList<String>(Arrays.asList(propertyNames));

    while (reader.hasNext()) {
        final XMLEvent event = reader.nextEvent();
        if (event.getEventType() == XMLStreamConstants.START_ELEMENT
                && LINK.equals(event.asStartElement().getName().getLocalPart())
                && !fieldToBeSaved
                        .contains(event.asStartElement().getAttributeByName(new QName("title")).getValue())
                && !"edit".equals(event.asStartElement().getAttributeByName(new QName("rel")).getValue())) {
            writeCurrent = false;
        } else if (event.getEventType() == XMLStreamConstants.END_ELEMENT
                && LINK.equals(event.asEndElement().getName().getLocalPart())) {
            writeNext = true;
        } else if (event.getEventType() == XMLStreamConstants.START_ELEMENT
                && (PROPERTIES).equals(event.asStartElement().getName().getLocalPart())) {
            writeCurrent = true;
            writeNext = false;
            inProperties = true;
        } else if (event.getEventType() == XMLStreamConstants.END_ELEMENT
                && (PROPERTIES).equals(event.asEndElement().getName().getLocalPart())) {
            writeCurrent = true;
        } else if (inProperties) {
            if (event.getEventType() == XMLStreamConstants.START_ELEMENT) {
                final String elementName = event.asStartElement().getName().getLocalPart();

                for (String propertyName : propertyNames) {
                    if ((ATOM_PROPERTY_PREFIX + propertyName.trim()).equals(elementName)) {
                        writeCurrent = true;
                        found.remove(propertyName);
                        currentName = propertyName;
                    }
                }

            } else if (event.getEventType() == XMLStreamConstants.END_ELEMENT
                    && StringUtils.isNotBlank(currentName) && (ATOM_PROPERTY_PREFIX + currentName.trim())
                            .equals(event.asEndElement().getName().getLocalPart())) {
                writeNext = false;
                currentName = null;
            }

        }

        if (writeCurrent) {
            writer.add(event);
        }

        if (writeNext != null) {
            writeCurrent = writeNext;
            writeNext = null;
        }
    }

    writer.flush();
    writer.close();
    reader.close();
    IOUtils.closeQuietly(entity);

    // Do not raise any exception in order to support FC properties as well
    // if (!found.isEmpty()) {
    //     throw new Exception(String.format("Could not find a properties '%s'", found));
    // }

    return new ByteArrayInputStream(bos.toByteArray());
}

From source file:com.marklogic.client.functionaltest.BasicJavaClientREST.java

/**
 * Convert XMLEventReader To String/*  ww  w  .  jav  a 2 s  . c  o  m*/
 * @param XMLEventReader
 * @return String
 * @throws XMLStreamException, TransformerException, IOException, ParserConfigurationException, SAXException
 */

public String convertXMLEventReaderToString(XMLEventReader fileRead)
        throws IOException, TransformerException, XMLStreamException {
    //BufferedReader br = (BufferedReader) fileRead;
    String readContent = "";
    String line = null;
    while (fileRead.hasNext())
        readContent = readContent + fileRead.next();

    return readContent;

}

From source file:com.msopentech.odatajclient.testservice.utils.XMLUtilities.java

private InputStream writeFromStartToEndElement(final StartElement element, final XMLEventReader reader,
        final boolean document) throws XMLStreamException {
    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final XMLOutputFactory xof = XMLOutputFactory.newInstance();
    final XMLEventWriter writer = xof.createXMLEventWriter(bos);

    final QName name = element.getName();

    if (document) {
        final XMLEventFactory eventFactory = XMLEventFactory.newInstance();
        writer.add(eventFactory.createStartDocument("UTF-8", "1.0"));
        writer.add(element);/* w ww. j  a v  a 2 s  . c o m*/

        if (element.getAttributeByName(new QName(ATOM_DATASERVICE_NS)) == null) {
            writer.add(eventFactory.createNamespace(ATOM_PROPERTY_PREFIX.substring(0, 1), DATASERVICES_NS));
        }
        if (element.getAttributeByName(new QName(ATOM_METADATA_NS)) == null) {
            writer.add(eventFactory.createNamespace(ATOM_METADATA_PREFIX.substring(0, 1), METADATA_NS));
        }
    } else {
        writer.add(element);
    }

    XMLEvent event = element;

    while (reader.hasNext() && !(event.isEndElement() && name.equals(event.asEndElement().getName()))) {
        event = reader.nextEvent();
        writer.add(event);
    }

    writer.flush();
    writer.close();

    return new ByteArrayInputStream(bos.toByteArray());
}

From source file:nl.nn.adapterframework.validation.XSD.java

public void init() throws ConfigurationException {
    if (noNamespaceSchemaLocation != null) {
        url = ClassUtils.getResourceURL(classLoader, noNamespaceSchemaLocation);
        if (url == null) {
            throw new ConfigurationException("Cannot find [" + noNamespaceSchemaLocation + "]");
        }/* www.jav a2s. c om*/
        resourceTarget = noNamespaceSchemaLocation;
        toString = noNamespaceSchemaLocation;
    } else {
        if (resource != null) {
            url = ClassUtils.getResourceURL(classLoader, resource);
            if (url == null) {
                throw new ConfigurationException("Cannot find [" + resource + "]");
            }
            resourceTarget = resource;
            toString = resource;
            if (resourceInternalReference != null) {
                resourceTarget = resourceTarget + "-" + resourceInternalReference + ".xsd";
                toString = toString + "!" + resourceInternalReference;
            }
        } else if (sourceXsds == null) {
            throw new ConfigurationException(
                    "None of noNamespaceSchemaLocation, resource or mergedResources is specified");
        } else {
            resourceTarget = "[";
            toString = "[";
            boolean first = true;
            for (XSD xsd : sourceXsds) {
                if (first) {
                    first = false;
                } else {
                    resourceTarget = resourceTarget + ", ";
                    toString = toString + ", ";
                }
                resourceTarget = resourceTarget + xsd.getResourceTarget().replaceAll("/", "_");
                toString = toString + xsd.toString();
            }
            resourceTarget = resourceTarget + "].xsd";
            toString = toString + "]";
        }
        if (parentLocation == null) {
            this.parentLocation = "";
        }
    }
    try {
        InputStream in = getInputStream();
        XMLEventReader er = XmlUtils.INPUT_FACTORY.createXMLEventReader(in, XmlUtils.STREAM_FACTORY_ENCODING);
        int elementDepth = 0;
        while (er.hasNext()) {
            XMLEvent e = er.nextEvent();
            switch (e.getEventType()) {
            case XMLStreamConstants.START_ELEMENT:
                elementDepth++;
                StartElement el = e.asStartElement();
                if (el.getName().equals(SchemaUtils.SCHEMA)) {
                    Attribute a = el.getAttributeByName(SchemaUtils.TNS);
                    if (a != null) {
                        xsdTargetNamespace = a.getValue();
                    }
                    Iterator<Namespace> nsIterator = el.getNamespaces();
                    while (nsIterator.hasNext() && StringUtils.isEmpty(xsdDefaultNamespace)) {
                        Namespace ns = nsIterator.next();
                        if (StringUtils.isEmpty(ns.getPrefix())) {
                            xsdDefaultNamespace = ns.getNamespaceURI();
                        }
                    }
                } else if (el.getName().equals(SchemaUtils.IMPORT)) {
                    Attribute a = el.getAttributeByName(SchemaUtils.NAMESPACE);
                    if (a != null) {
                        boolean skip = false;
                        ArrayList ans = null;
                        if (StringUtils.isNotEmpty(getImportedNamespacesToIgnore())) {
                            ans = new ArrayList(Arrays.asList(getImportedNamespacesToIgnore().split(",")));
                        }
                        if (StringUtils.isNotEmpty(a.getValue()) && ans != null) {
                            if (ans.contains(a.getValue())) {
                                skip = true;
                            }
                        }
                        if (!skip) {
                            importedNamespaces.add(a.getValue());
                        }
                    }
                } else if (el.getName().equals(SchemaUtils.ELEMENT)) {
                    if (elementDepth == 2) {
                        rootTags.add(el.getAttributeByName(SchemaUtils.NAME).getValue());
                    }
                }
                break;
            case XMLStreamConstants.END_ELEMENT:
                elementDepth--;
                break;
            }
        }
        this.targetNamespace = xsdTargetNamespace;
        if (namespace == null) {
            // In case WsdlXmlValidator doesn't have schemaLocation
            namespace = xsdTargetNamespace;
        }
    } catch (IOException e) {
        String message = "IOException reading XSD";
        LOG.error(message, e);
        throw new ConfigurationException(message, e);
    } catch (XMLStreamException e) {
        String message = "XMLStreamException reading XSD";
        LOG.error(message, e);
        throw new ConfigurationException(message, e);
    }
}

From source file:nl.nn.adapterframework.validation.XSD.java

public Set<XSD> getXsdsRecursive(Set<XSD> xsds, boolean ignoreRedefine) throws ConfigurationException {
    try {/*from   www  .j  av  a 2s.  c o m*/
        InputStream in = getInputStream();
        if (in == null)
            return null;
        XMLEventReader er = XmlUtils.INPUT_FACTORY.createXMLEventReader(in, XmlUtils.STREAM_FACTORY_ENCODING);
        while (er.hasNext()) {
            XMLEvent e = er.nextEvent();
            switch (e.getEventType()) {
            case XMLStreamConstants.START_ELEMENT:
                StartElement el = e.asStartElement();
                if (el.getName().equals(SchemaUtils.IMPORT) || el.getName().equals(SchemaUtils.INCLUDE)
                        || (el.getName().equals(SchemaUtils.REDEFINE) && !ignoreRedefine)) {
                    Attribute schemaLocationAttribute = el.getAttributeByName(SchemaUtils.SCHEMALOCATION);
                    Attribute namespaceAttribute = el.getAttributeByName(SchemaUtils.NAMESPACE);
                    String namespace = this.namespace;
                    boolean addNamespaceToSchema = this.addNamespaceToSchema;
                    if (el.getName().equals(SchemaUtils.IMPORT)) {
                        if (namespaceAttribute == null && StringUtils.isEmpty(xsdDefaultNamespace)
                                && StringUtils.isNotEmpty(xsdTargetNamespace)) {
                            //TODO: concerning import without namespace when in head xsd default namespace doesn't exist and targetNamespace does)
                            namespace = null;
                        } else {
                            if (namespaceAttribute != null) {
                                namespace = namespaceAttribute.getValue();
                            } else {
                                namespace = targetNamespace;
                            }
                        }
                    }
                    if (schemaLocationAttribute != null) {
                        boolean skip = false;
                        if (el.getName().equals(SchemaUtils.IMPORT) && namespaceAttribute == null) {
                            if (StringUtils.isNotEmpty(xsdDefaultNamespace)
                                    && StringUtils.isNotEmpty(xsdTargetNamespace)) {
                                //ignore import without namespace when in head xsd default namespace and targetNamespace exists)
                                skip = true;
                            }
                        }
                        if (!skip) {
                            String sl = schemaLocationAttribute.getValue();
                            ArrayList aslti = null;
                            if (StringUtils.isNotEmpty(getImportedSchemaLocationsToIgnore())) {
                                aslti = new ArrayList(
                                        Arrays.asList(getImportedSchemaLocationsToIgnore().split(",")));
                            }
                            if (StringUtils.isNotEmpty(sl) && aslti != null) {
                                if (isUseBaseImportedSchemaLocationsToIgnore()) {
                                    sl = FilenameUtils.getName(sl);
                                }
                                if (aslti.contains(sl)) {
                                    skip = true;
                                }
                            }
                        }
                        if (!skip) {
                            ArrayList ans = null;
                            if (StringUtils.isNotEmpty(getImportedNamespacesToIgnore())) {
                                ans = new ArrayList(Arrays.asList(getImportedNamespacesToIgnore().split(",")));
                            }
                            if (StringUtils.isNotEmpty(namespace) && ans != null) {
                                if (ans.contains(namespace)) {
                                    skip = true;
                                }
                            }
                        }
                        if (!skip) {
                            XSD x = new XSD();
                            x.setClassLoader(classLoader);
                            x.setNamespace(namespace);
                            x.setResource(getResourceBase() + schemaLocationAttribute.getValue());
                            x.setAddNamespaceToSchema(addNamespaceToSchema);
                            x.setImportedSchemaLocationsToIgnore(getImportedSchemaLocationsToIgnore());
                            x.setUseBaseImportedSchemaLocationsToIgnore(
                                    isUseBaseImportedSchemaLocationsToIgnore());
                            x.setImportedNamespacesToIgnore(getImportedNamespacesToIgnore());
                            x.setParentLocation(getResourceBase());
                            x.setRootXsd(false);
                            x.init();
                            if (xsds.add(x)) {
                                x.getXsdsRecursive(xsds, ignoreRedefine);
                            }
                        }
                    }
                }
                break;
            }
        }
    } catch (IOException e) {
        String message = "IOException reading XSD";
        LOG.error(message, e);
        throw new ConfigurationException(message, e);
    } catch (XMLStreamException e) {
        String message = "XMLStreamException reading XSD";
        LOG.error(message, e);
        throw new ConfigurationException(message, e);
    }
    return xsds;
}

From source file:org.apache.hadoop.util.ConfTest.java

private static List<NodeInfo> parseConf(InputStream in) throws XMLStreamException {
    QName configuration = new QName("configuration");
    QName property = new QName("property");

    List<NodeInfo> nodes = new ArrayList<NodeInfo>();
    Stack<NodeInfo> parsed = new Stack<NodeInfo>();

    XMLInputFactory factory = XMLInputFactory.newInstance();
    XMLEventReader reader = factory.createXMLEventReader(in);

    while (reader.hasNext()) {
        XMLEvent event = reader.nextEvent();
        if (event.isStartElement()) {
            StartElement currentElement = event.asStartElement();
            NodeInfo currentNode = new NodeInfo(currentElement);
            if (parsed.isEmpty()) {
                if (!currentElement.getName().equals(configuration)) {
                    return null;
                }// w  w  w  .  ja v a 2 s . c om
            } else {
                NodeInfo parentNode = parsed.peek();
                QName parentName = parentNode.getStartElement().getName();
                if (parentName.equals(configuration)
                        && currentNode.getStartElement().getName().equals(property)) {
                    @SuppressWarnings("unchecked")
                    Iterator<Attribute> it = currentElement.getAttributes();
                    while (it.hasNext()) {
                        currentNode.addAttribute(it.next());
                    }
                } else if (parentName.equals(property)) {
                    parentNode.addElement(currentElement);
                }
            }
            parsed.push(currentNode);
        } else if (event.isEndElement()) {
            NodeInfo node = parsed.pop();
            if (parsed.size() == 1) {
                nodes.add(node);
            }
        } else if (event.isCharacters()) {
            if (2 < parsed.size()) {
                NodeInfo parentNode = parsed.pop();
                StartElement parentElement = parentNode.getStartElement();
                NodeInfo grandparentNode = parsed.peek();
                if (grandparentNode.getElement(parentElement) == null) {
                    grandparentNode.setElement(parentElement, event.asCharacters());
                }
                parsed.push(parentNode);
            }
        }
    }

    return nodes;
}

From source file:org.apache.olingo.client.core.serialization.AtomDeserializer.java

private Object fromPrimitive(final XMLEventReader reader, final StartElement start, final EdmTypeInfo typeInfo)
        throws XMLStreamException, EdmPrimitiveTypeException {

    Object value = null;//from w  w w .  j  a  v a 2 s .c  o  m

    boolean foundEndProperty = false;
    while (reader.hasNext() && !foundEndProperty) {
        final XMLEvent event = reader.nextEvent();

        if (event.isStartElement() && typeInfo != null && typeInfo.getPrimitiveTypeKind().isGeospatial()) {
            final EdmPrimitiveTypeKind geoType = EdmPrimitiveTypeKind
                    .valueOfFQN(typeInfo.getFullQualifiedName().toString());
            value = geoDeserializer.deserialize(reader, event.asStartElement(), geoType);
        }

        if (event.isCharacters() && !event.asCharacters().isWhiteSpace()
                && (typeInfo == null || !typeInfo.getPrimitiveTypeKind().isGeospatial())) {
            final String stringValue = event.asCharacters().getData();
            if (typeInfo == null) {
                value = stringValue;
            } else {
                final EdmPrimitiveType primitiveType = (EdmPrimitiveType) typeInfo.getType();
                final Class<?> returnType = primitiveType.getDefaultType().isAssignableFrom(Calendar.class)
                        ? Timestamp.class
                        : primitiveType.getDefaultType();
                value = ((EdmPrimitiveType) typeInfo.getType()).valueOfString(stringValue, true, null,
                        Constants.DEFAULT_PRECISION, Constants.DEFAULT_SCALE, true, returnType);
            }
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndProperty = true;
        }
    }

    return value;
}

From source file:org.apache.olingo.client.core.serialization.AtomDeserializer.java

private Object fromComplexOrEnum(final XMLEventReader reader, final StartElement start)
        throws XMLStreamException, EdmPrimitiveTypeException {

    Object value = null;//from   w  ww . j  av a  2  s  . com

    boolean foundEndProperty = false;
    while (reader.hasNext() && !foundEndProperty) {
        final XMLEvent event = reader.nextEvent();

        if (event.isStartElement()) {
            if (value == null) {
                value = new ComplexValue();
            }

            if (Constants.QNAME_ATOM_ELEM_LINK.equals(event.asStartElement().getName())) {
                final Link link = new Link();
                final Attribute rel = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_REL));
                if (rel != null) {
                    link.setRel(rel.getValue());
                }
                final Attribute title = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_TITLE));
                if (title != null) {
                    link.setTitle(title.getValue());
                }
                final Attribute href = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_HREF));
                if (href != null) {
                    link.setHref(href.getValue());
                }
                final Attribute type = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_TYPE));
                if (type != null) {
                    link.setType(type.getValue());
                }

                if (link.getRel().startsWith(Constants.NS_NAVIGATION_LINK_REL)) {

                    ((ComplexValue) value).getNavigationLinks().add(link);
                    inline(reader, event.asStartElement(), link);
                } else if (link.getRel().startsWith(Constants.NS_ASSOCIATION_LINK_REL)) {

                    ((Valuable) value).asComplex().getAssociationLinks().add(link);
                }
            } else {
                ((ComplexValue) value).getValue().add(property(reader, event.asStartElement()));
            }
        }

        if (event.isCharacters() && !event.asCharacters().isWhiteSpace()) {
            value = event.asCharacters().getData();
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndProperty = true;
        }
    }

    return value;
}

From source file:org.apache.olingo.client.core.serialization.AtomDeserializer.java

private void fromCollection(final Valuable valuable, final XMLEventReader reader, final StartElement start,
        final EdmTypeInfo typeInfo) throws XMLStreamException, EdmPrimitiveTypeException {

    List<Object> values = new ArrayList<Object>();
    ValueType valueType = ValueType.COLLECTION_PRIMITIVE;

    final EdmTypeInfo type = typeInfo == null ? null
            : new EdmTypeInfo.Builder().setTypeExpression(typeInfo.getFullQualifiedName().toString()).build();

    boolean foundEndProperty = false;
    while (reader.hasNext() && !foundEndProperty) {
        final XMLEvent event = reader.nextEvent();

        if (event.isStartElement()) {
            switch (guessPropertyType(reader, typeInfo)) {
            case COMPLEX:
                final Object complexValue = fromComplexOrEnum(reader, event.asStartElement());
                valueType = ValueType.COLLECTION_COMPLEX;
                values.add(complexValue);
                break;

            case ENUM:
                valueType = ValueType.COLLECTION_ENUM;
                values.add(fromComplexOrEnum(reader, event.asStartElement()));
                break;

            case PRIMITIVE:
                final Object value = fromPrimitive(reader, event.asStartElement(), type);
                valueType = value instanceof Geospatial ? ValueType.COLLECTION_GEOSPATIAL
                        : ValueType.COLLECTION_PRIMITIVE;
                values.add(value);/*www .  j av a2 s. co  m*/
                break;

            default:
                // do not add null or empty values
            }
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndProperty = true;
        }
    }
    valuable.setValue(valueType, values);
}