Example usage for javax.xml.stream XMLStreamReader next

List of usage examples for javax.xml.stream XMLStreamReader next

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Introduction

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

Prototype

public int next() throws XMLStreamException;

Source Link

Document

Get next parsing event - a processor may return all contiguous character data in a single chunk, or it may split it into several chunks.

Usage

From source file:net.xy.jcms.controller.configurations.parser.TranslationParser.java

/**
 * parses an xml configuration from an input streams. throwes
 * IllegalArgumentExceptions in case of syntax error.
 * //from w  w w.j  a va  2  s . c o  m
 * @param in
 * @return value
 * @throws XMLStreamException
 * @throws ClassNotFoundException
 *             in case there are problems with an params type converter
 */
public static TranslationRule[] parse(final InputStream in, final ClassLoader loader)
        throws XMLStreamException, ClassNotFoundException {
    @SuppressWarnings("deprecation")
    final XMLInputFactory factory = XMLInputFactory.newInstance(
            "com.sun.xml.internal.stream.XMLInputFactoryImpl", TranslationParser.class.getClassLoader());
    LOG.info("XMLInputFactory loaded: " + factory.getClass().getName());
    factory.setProperty("javax.xml.stream.isCoalescing", true);
    // not supported be the reference implementation
    // factory.setProperty(XMLInputFactory.IS_VALIDATING, Boolean.TRUE);
    final XMLStreamReader parser = factory.createXMLStreamReader(in);
    while (parser.hasNext()) {
        final int event = parser.next();
        if (event == XMLStreamConstants.START_ELEMENT && parser.getName().getLocalPart().equals("rules")) {
            return parseRules(parser, loader);
        }
    }
    throw new IllegalArgumentException("No rules section found.");
}

From source file:net.xy.jcms.controller.configurations.parser.TranslationParser.java

/**
 * parses an single file translation/*from   ww w .  j  a v a  2s  .c  o  m*/
 * 
 * @param in
 * @param loader
 * @return value
 * @throws XMLStreamException
 * @throws ClassNotFoundException
 *             in case there are problems with an params type converter
 */
public static TranslationRule parseSingle(final InputStream in, final ClassLoader loader)
        throws XMLStreamException, ClassNotFoundException {
    @SuppressWarnings("deprecation")
    final XMLInputFactory factory = XMLInputFactory.newInstance(
            "com.sun.xml.internal.stream.XMLInputFactoryImpl", TranslationParser.class.getClassLoader());
    LOG.info("XMLInputFactory loaded: " + factory.getClass().getName());
    factory.setProperty("javax.xml.stream.isCoalescing", true);
    final XMLStreamReader parser = factory.createXMLStreamReader(in);
    while (parser.hasNext()) {
        final int event = parser.next();
        if (event == XMLStreamConstants.START_ELEMENT && parser.getName().getLocalPart().equals("rule")) {
            return parseRule(parser, loader);
        }
    }
    throw new IllegalArgumentException("No rules section found.");
}

From source file:net.xy.jcms.controller.configurations.parser.TranslationParser.java

/**
 * checks for parameters <parameter name="contentgroup" group="1"
 * convert="de.jamba.ContentGroupConverter"/>
 * //from w  w  w  . j  a v  a2s . c o m
 * @param parser
 * @return value
 * @throws XMLStreamException
 * @throws ClassNotFoundException
 * @throws IllegalAccessException
 * @throws InstantiationException
 */
private static List<RuleParameter> parseParameter(final XMLStreamReader parser, final ClassLoader loader)
        throws XMLStreamException, ClassNotFoundException {
    final List<RuleParameter> params = new ArrayList<RuleParameter>();
    while (parser.nextTag() == XMLStreamConstants.START_ELEMENT) {
        String parameterName = null, converter = null;
        Integer aplicatesToGroup = null;
        if (parser.getAttributeCount() != 3 && parser.getAttributeCount() != 2) {
            throw new IllegalArgumentException("There are to much or few attributes specified for parameter.");
        }
        for (int i = 0; i < parser.getAttributeCount(); i++) {
            if (parser.getAttributeLocalName(i).equals("name")) {
                parameterName = parser.getAttributeValue(i);
            } else if (parser.getAttributeLocalName(i).equals("convert")) {
                converter = parser.getAttributeValue(i);
            } else if (parser.getAttributeLocalName(i).equals("group")) {
                aplicatesToGroup = new Integer(parser.getAttributeValue(i));
            }
        }

        boolean goEnd = true;
        Map<String, String> mappings = null;
        if (parser.next() == XMLStreamConstants.CHARACTERS) {
            final String mappingStr = parser.getText();
            // get integrated mapping body
            if (StringUtils.isNotBlank(mappingStr)) {
                mappings = new HashMap<String, String>();
                final String[] lines = mappingStr.split("\n");
                for (String line : lines) {
                    line = line.trim();
                    if (StringUtils.isBlank(line) || line.startsWith("#")) {
                        continue;
                    }
                    final String[] pair = line.split("=", 2);
                    mappings.put(pair[0].trim(), pair[1].trim());
                }
            }
        } else {
            goEnd = false; // allready on end
        }

        if (StringUtils.isBlank(parameterName)) {
            throw new IllegalArgumentException("Parameter name has to be set");
        } else if (StringUtils.isBlank(converter)) {
            throw new IllegalArgumentException("Parameter Converter has to be set");
        } else if (aplicatesToGroup == null) {
            throw new IllegalArgumentException("Applicates to regex group has to be set");
        } else {
            if (mappings != null) {
                // get special mapping converter
                params.add(new RuleParameter(parameterName, aplicatesToGroup,
                        ((InitializableController<?>) ConverterPool.get(converter, loader))
                                .initialize(mappings)));
            } else {
                // get normal converter
                params.add(new RuleParameter(parameterName, aplicatesToGroup,
                        ConverterPool.get(converter, loader)));
            }
        }
        if (goEnd) {
            parser.nextTag(); // gets endtag
        }
    }
    return params;
}

From source file:net.xy.jcms.controller.configurations.parser.UsecaseParser.java

/**
 * parses usecases out from an xml file/*from   w w  w  .j a v  a2  s  .c  o  m*/
 * 
 * @param in
 * @param loader
 *            used for retrieving configuration included resources and also
 *            for retrieving the controllers
 * @return value
 * @throws XMLStreamException
 * @throws ClassNotFoundException
 */
public static Usecase[] parse(final InputStream in, final ClassLoader loader)
        throws XMLStreamException, ClassNotFoundException {
    final XMLInputFactory factory = XMLInputFactory.newInstance();
    factory.setProperty("javax.xml.stream.isCoalescing", true);
    // not supported by the reference implementation
    // factory.setProperty(XMLInputFactory.IS_VALIDATING, Boolean.TRUE);
    final XMLStreamReader parser = factory.createXMLStreamReader(in);
    while (parser.hasNext()) {
        final int event = parser.next();
        if (event == XMLStreamConstants.START_ELEMENT && parser.getName().getLocalPart().equals("usecases")) {
            return parseUsecases(parser, loader);
        }
    }
    throw new IllegalArgumentException("No usecases section found. [" + parser.getLocation() + "]");
}

From source file:net.xy.jcms.controller.configurations.parser.UsecaseParser.java

/**
 * method for parsing single usecase xml files. one per file.
 * //w ww.  j a  va 2s. c o  m
 * @param in
 * @param loader
 * @return parsed usecase
 * @throws XMLStreamException
 * @throws ClassNotFoundException
 */
public static Usecase parseSingle(final InputStream in, final ClassLoader loader)
        throws XMLStreamException, ClassNotFoundException {
    final XMLInputFactory factory = XMLInputFactory.newInstance();
    factory.setProperty("javax.xml.stream.isCoalescing", true);
    // not supported by the reference implementation
    // factory.setProperty(XMLInputFactory.IS_VALIDATING, Boolean.TRUE);
    final XMLStreamReader parser = factory.createXMLStreamReader(in);
    while (parser.hasNext()) {
        final int event = parser.next();
        if (event == XMLStreamConstants.START_ELEMENT && parser.getName().getLocalPart().equals("usecase")) {
            return parseUsecase(parser, loader);
        }
    }
    throw new IllegalArgumentException("No usecases section found. [" + parser.getLocation() + "]");
}

From source file:net.xy.jcms.controller.configurations.parser.UsecaseParser.java

/**
 * parses the description field/* w ww.j  a v a  2  s .  c  o  m*/
 * 
 * @param parser
 * @return
 * @throws XMLStreamException
 */
private static String parseDescription(final XMLStreamReader parser) throws XMLStreamException {
    parser.next();
    final String text = parser.getText();
    parser.nextTag();
    return text;
}

From source file:net.xy.jcms.controller.configurations.parser.UsecaseParser.java

/**
 * inits an config from the xml body/* ww  w .ja va2  s . com*/
 * 
 * @param type
 * @param parser
 * @return
 * @throws XMLStreamException
 */
private static Configuration<?> getConfigurationByBody(final ConfigurationType type,
        final XMLStreamReader parser, final ClassLoader loader) throws XMLStreamException {
    parser.next();
    final String text = parser.getText();
    return Configuration.initByString(type, text, loader);
}

From source file:nl.knaw.huygens.tei.xpath.XPathUtil.java

public static Map<String, String> getNamespaceInfo(String xml) {
    Map<String, String> namespaces = Maps.newIdentityHashMap();
    XMLInputFactory inputFactory = XMLInputFactory.newInstance();
    try {//  w  w  w . j  av  a  2  s. com
        XMLStreamReader xreader = inputFactory.createXMLStreamReader(IOUtils.toInputStream(xml, "UTF-8"));
        while (xreader.hasNext()) {
            if (xreader.next() == XMLStreamConstants.START_ELEMENT) {
                QName qName = xreader.getName();
                if (qName != null) {
                    addNamespace(namespaces, qName.getPrefix(), qName.getNamespaceURI());
                    for (int i = 0; i < xreader.getAttributeCount(); i++) {
                        addNamespace(namespaces, xreader.getAttributePrefix(i),
                                xreader.getAttributeNamespace(i));
                    }
                }
            }
        }
    } catch (XMLStreamException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return namespaces;
}

From source file:org.activiti.bpmn.converter.BaseBpmnXMLConverter.java

@SuppressWarnings("unchecked")
protected ExtensionElement parseExtensionElement(XMLStreamReader xtr) throws Exception {
    ExtensionElement extensionElement = new ExtensionElement();
    extensionElement.setName(xtr.getLocalName());
    if (StringUtils.isNotEmpty(xtr.getNamespaceURI())) {
        extensionElement.setNamespace(xtr.getNamespaceURI());
    }/*  w  ww  . java2  s. co m*/
    if (StringUtils.isNotEmpty(xtr.getPrefix())) {
        extensionElement.setNamespacePrefix(xtr.getPrefix());
    }

    BpmnXMLUtil.addCustomAttributes(xtr, extensionElement, defaultElementAttributes);

    boolean readyWithExtensionElement = false;
    while (readyWithExtensionElement == false && xtr.hasNext()) {
        xtr.next();
        if (xtr.isCharacters()) {
            if (StringUtils.isNotEmpty(xtr.getText().trim())) {
                extensionElement.setElementText(xtr.getText().trim());
            }
        } else if (xtr.isStartElement()) {
            ExtensionElement childExtensionElement = parseExtensionElement(xtr);
            extensionElement.addChildElement(childExtensionElement);
        } else if (xtr.isEndElement() && extensionElement.getName().equalsIgnoreCase(xtr.getLocalName())) {
            readyWithExtensionElement = true;
        }
    }
    return extensionElement;
}

From source file:org.activiti.bpmn.converter.BpmnXMLConverter.java

public BpmnModel convertToBpmnModel(XMLStreamReader xtr) {
    BpmnModel model = new BpmnModel();
    model.setStartEventFormTypes(startEventFormTypes);
    model.setUserTaskFormTypes(userTaskFormTypes);
    try {/*from w ww  .j  av  a  2  s. c om*/
        Process activeProcess = null;
        List<SubProcess> activeSubProcessList = new ArrayList<SubProcess>();
        while (xtr.hasNext()) {
            try {
                xtr.next();
            } catch (Exception e) {
                LOGGER.debug("Error reading XML document", e);
                throw new XMLException("Error reading XML", e);
            }

            if (xtr.isEndElement() && ELEMENT_SUBPROCESS.equals(xtr.getLocalName())) {
                activeSubProcessList.remove(activeSubProcessList.size() - 1);
            }

            if (xtr.isEndElement() && ELEMENT_TRANSACTION.equals(xtr.getLocalName())) {
                activeSubProcessList.remove(activeSubProcessList.size() - 1);
            }

            if (xtr.isStartElement() == false)
                continue;

            if (ELEMENT_DEFINITIONS.equals(xtr.getLocalName())) {
                definitionsParser.parse(xtr, model);

            } else if (ELEMENT_SIGNAL.equals(xtr.getLocalName())) {
                signalParser.parse(xtr, model);

            } else if (ELEMENT_MESSAGE.equals(xtr.getLocalName())) {
                messageParser.parse(xtr, model);

            } else if (ELEMENT_ERROR.equals(xtr.getLocalName())) {

                if (StringUtils.isNotEmpty(xtr.getAttributeValue(null, ATTRIBUTE_ID))) {
                    model.addError(xtr.getAttributeValue(null, ATTRIBUTE_ID),
                            xtr.getAttributeValue(null, ATTRIBUTE_ERROR_CODE));
                }

            } else if (ELEMENT_IMPORT.equals(xtr.getLocalName())) {
                importParser.parse(xtr, model);

            } else if (ELEMENT_ITEM_DEFINITION.equals(xtr.getLocalName())) {
                itemDefinitionParser.parse(xtr, model);

            } else if (ELEMENT_INTERFACE.equals(xtr.getLocalName())) {
                interfaceParser.parse(xtr, model);

            } else if (ELEMENT_IOSPECIFICATION.equals(xtr.getLocalName())) {
                new IOSpecificationParser().parseChildElement(xtr, activeProcess, model);

            } else if (ELEMENT_PARTICIPANT.equals(xtr.getLocalName())) {

                if (StringUtils.isNotEmpty(xtr.getAttributeValue(null, ATTRIBUTE_ID))) {
                    Pool pool = new Pool();
                    pool.setId(xtr.getAttributeValue(null, ATTRIBUTE_ID));
                    pool.setName(xtr.getAttributeValue(null, ATTRIBUTE_NAME));
                    pool.setProcessRef(xtr.getAttributeValue(null, ATTRIBUTE_PROCESS_REF));
                    BpmnXMLUtil.parseChildElements(ELEMENT_PARTICIPANT, pool, xtr, model);
                    model.getPools().add(pool);
                }

            } else if (ELEMENT_PROCESS.equals(xtr.getLocalName())) {

                Process process = processParser.parse(xtr, model);
                if (process != null) {
                    activeProcess = process;
                }

            } else if (ELEMENT_POTENTIAL_STARTER.equals(xtr.getLocalName())) {
                potentialStarterParser.parse(xtr, activeProcess);

            } else if (ELEMENT_LANE.equals(xtr.getLocalName())) {
                laneParser.parse(xtr, activeProcess, model);

            } else if (ELEMENT_DOCUMENTATION.equals(xtr.getLocalName())) {

                BaseElement parentElement = null;
                if (activeSubProcessList.size() > 0) {
                    parentElement = activeSubProcessList.get(activeSubProcessList.size() - 1);
                } else if (activeProcess != null) {
                    parentElement = activeProcess;
                }
                new DocumentationParser().parseChildElement(xtr, parentElement, model);

            } else if (activeProcess == null && ELEMENT_TEXT_ANNOTATION.equals(xtr.getLocalName())) {
                String elementId = xtr.getAttributeValue(null, ATTRIBUTE_ID);
                TextAnnotation textAnnotation = (TextAnnotation) new TextAnnotationXMLConverter()
                        .convertXMLToElement(xtr, model);
                textAnnotation.setId(elementId);
                model.getGlobalArtifacts().add(textAnnotation);

            } else if (activeProcess == null && ELEMENT_ASSOCIATION.equals(xtr.getLocalName())) {
                String elementId = xtr.getAttributeValue(null, ATTRIBUTE_ID);
                Association association = (Association) new AssociationXMLConverter().convertXMLToElement(xtr,
                        model);
                association.setId(elementId);
                model.getGlobalArtifacts().add(association);

            } else if (ELEMENT_EXTENSIONS.equals(xtr.getLocalName())) {
                new ExtensionElementsParser().parse(xtr, activeSubProcessList, activeProcess, model);

            } else if (ELEMENT_SUBPROCESS.equals(xtr.getLocalName())) {
                subProcessParser.parse(xtr, activeSubProcessList, activeProcess);

            } else if (ELEMENT_TRANSACTION.equals(xtr.getLocalName())) {
                subProcessParser.parse(xtr, activeSubProcessList, activeProcess);

            } else if (ELEMENT_DI_SHAPE.equals(xtr.getLocalName())) {
                bpmnShapeParser.parse(xtr, model);

            } else if (ELEMENT_DI_EDGE.equals(xtr.getLocalName())) {
                bpmnEdgeParser.parse(xtr, model);

            } else {

                if (activeSubProcessList.size() > 0
                        && ELEMENT_MULTIINSTANCE.equalsIgnoreCase(xtr.getLocalName())) {

                    new MultiInstanceParser().parseChildElement(xtr,
                            activeSubProcessList.get(activeSubProcessList.size() - 1), model);

                } else if (convertersToBpmnMap.containsKey(xtr.getLocalName())) {
                    if (activeProcess != null) {
                        BaseBpmnXMLConverter converter = convertersToBpmnMap.get(xtr.getLocalName());
                        converter.convertToBpmnModel(xtr, model, activeProcess, activeSubProcessList);
                    }
                }
            }
        }

        for (Process process : model.getProcesses()) {
            for (Pool pool : model.getPools()) {
                if (process.getId().equals(pool.getProcessRef())) {
                    pool.setExecutable(process.isExecutable());
                }
            }
            processFlowElements(process.getFlowElements(), process);
        }

    } catch (XMLException e) {
        throw e;

    } catch (Exception e) {
        LOGGER.error("Error processing BPMN document", e);
        throw new XMLException("Error processing BPMN document", e);
    }
    return model;
}