Example usage for javax.xml.stream XMLStreamReader hasNext

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

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Introduction

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

Prototype

public boolean hasNext() throws XMLStreamException;

Source Link

Document

Returns true if there are more parsing events and false if there are no more events.

Usage

From source file:org.slc.sli.modeling.xmi.reader.XmiReader.java

protected static final Model readXMI(final XMLStreamReader reader) {
    try {/*from w w  w . j  a va2s  .  c  o  m*/
        if ("XMI".equals(reader.getLocalName())) {
            Model model = null;
            while (reader.hasNext()) {
                reader.next();
                switch (reader.getEventType()) {
                case XMLStreamConstants.START_ELEMENT: {
                    if ("XMI.header".equals(reader.getLocalName())) {
                        skipElement(reader, false);
                        break;
                    } else if ("XMI.content".equals(reader.getLocalName())) {
                        model = readContent(reader);
                        if (model == null) {
                            throw new IllegalStateException();
                        }
                        break;
                    } else {
                        throw new XmiRuntimeException("Expecting Foo element, got: " + reader.getLocalName());
                    }
                }
                case XMLStreamConstants.END_ELEMENT: {
                    if ("XMI".equals(reader.getLocalName())) {
                        if (model == null) {
                            throw new IllegalStateException();
                        }
                        return model;
                    } else {
                        throw new AssertionError(reader.getLocalName());
                    }
                }
                case XMLStreamConstants.CHARACTERS: {
                    // Ignore.
                    break;
                }
                default: {
                    throw new AssertionError(reader.getEventType());
                }
                }
            }
        } else {
            throw new AssertionError(reader.getLocalName());
        }
    } catch (final XMLStreamException e) {
        LOG.warn(e.getMessage());
    }
    return null;
}

From source file:org.slc.sli.modeling.xmi.reader.XmiReader.java

/**
 * Skips (recursively) over the element in question. Also useful during development.
 *
 * @param reader/*w w w.j  a  va  2 s .co  m*/
 *            The StAX {@link XMLStreamReader}.
 */
protected static final void skipElement(final XMLStreamReader reader, final boolean check)
        throws XMLStreamException {
    if (check) {
        throw new AssertionError(reader.getName());
    }
    final String localName = reader.getLocalName();
    while (reader.hasNext()) {
        reader.next();
        switch (reader.getEventType()) {
        case XMLStreamConstants.START_ELEMENT: {
            skipElement(reader, check);
            break;
        }
        case XMLStreamConstants.END_ELEMENT: {
            if (localName.equals(reader.getLocalName())) {
                return;
            } else {
                throw new AssertionError(reader.getLocalName());
            }
        }
        case XMLStreamConstants.CHARACTERS: {
            // Ignore.
            break;
        }
        default: {
            throw new AssertionError(reader.getEventType());
        }
        }
    }
    throw new AssertionError();
}

From source file:org.socraticgrid.workbench.ontomodel.service.SyntacticalOntoModelServiceImpl.java

/**
 * Extracts all the Fact Types used in a process definition.
 * Each Fact Type is declared as://from www  . jav  a 2  s  . c  o  m
 * 
 *   <bpmn2:textAnnotation id="_92807518-95EC-447B-A292-D46C9D5958E9">
 *       <bpmn2:text>KMRCustom--Diagnosis--code--49320</bpmn2:text>
 *   </bpmn2:textAnnotation>
 * 
 * In the previous example, Diagnosis is the Fact Type
 * 
 * @param processXml
 * @return
 * @throws XMLStreamException 
 */
private Set<String> getProcessFactTypesFromXml(String processXml) throws XMLStreamException {

    Set<String> facts = new HashSet<String>();

    XMLInputFactory factory = XMLInputFactory.newInstance();
    XMLStreamReader reader = factory.createXMLStreamReader(new ByteArrayInputStream(processXml.getBytes()));

    boolean parsingTextAnnotation = false;

    //<bpmn2:text>KMRCustom--Diagnosis--code--49320</bpmn2:text>
    while (reader.hasNext()) {
        switch (reader.next()) {
        case XMLStreamReader.START_ELEMENT:
            if ("bpmn2".equals(reader.getName().getPrefix())
                    && "textAnnotation".equals(reader.getName().getLocalPart())) {
                parsingTextAnnotation = true;
            }
            if (parsingTextAnnotation && "bpmn2".equals(reader.getName().getPrefix())
                    && "text".equals(reader.getName().getLocalPart())) {
                String text = reader.getElementText();
                if (text.startsWith("KMRCustom--")) {
                    String[] parts = text.split("--");
                    facts.add(parts[1]);
                }
            }
            break;
        case XMLStreamReader.END_ELEMENT:
            if ("bpmn2".equals(reader.getName().getPrefix())
                    && "textAnnotation".equals(reader.getName().getLocalPart())) {
                parsingTextAnnotation = false;
            }
        }
    }

    return facts;
}

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

/**
 * Creates a new <code>java.util.List</code> from the current element being
 * read in the specified <code>StreamReader</code>.
 * /*from w w w.  ja  v a 2 s  . co  m*/
 * @param reader
 *          the <code>StreamReader</code>.
 * @return the new array of <code>java.util.List</code>s.
 * @throws XmlRpcInvalidPayloadException
 *           if the element contains an unknown child. Only one "data" element
 *           is allowed inside an "array" element.
 * @see #parseDataElement(XMLStreamReader)
 */
protected final XmlRpcArray parseArrayElement(XMLStreamReader reader) throws XMLStreamException {

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

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

            if (XmlRpcElementNames.DATA.equals(localName)) {
                return parseDataElement(reader);
            }
            XmlRpcParsingUtils.handleUnexpectedElementFound(localName);
        }
    }

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

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

/**
 * Creates a new <code>java.util.List</code> from the current element being
 * read in the specified <code>StreamReader</code>.
 * /*from  w w  w  .java2  s.  c om*/
 * @param reader
 *          the <code>StreamReader</code>.
 * @return the new array of <code>java.util.List</code>s.
 * @see #parseValueElement(XMLStreamReader)
 */
protected final XmlRpcArray parseDataElement(XMLStreamReader reader) throws XMLStreamException {
    XmlRpcArray array = new XmlRpcArray();

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

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

            if (XmlRpcElementNames.VALUE.equals(localName)) {
                XmlRpcElement element = parseValueElement(reader);
                array.add(element);
            }
            break;

        case XMLStreamConstants.END_ELEMENT:
            localName = reader.getLocalName();

            if (XmlRpcElementNames.DATA.equals(localName) || XmlRpcElementNames.ARRAY.equals(localName)) {
                return array;
            }
        }
    }

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

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.  ja  v a2 s . c o  m*/
 * @param reader
 *          the <code>StreamReader</code>.
 * @return the created Object.
 * @throws XmlRpcInvalidPayloadException
 *           if the element contains an unknown child.
 * @see #parseValueElement(XMLStreamReader)
 */
protected final XmlRpcElement parseParameterElement(XMLStreamReader reader) throws XMLStreamException {
    while (reader.hasNext()) {
        int event = reader.next();

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

            if (XmlRpcElementNames.VALUE.equals(localName)) {
                return parseValueElement(reader);
            }
            XmlRpcParsingUtils.handleUnexpectedElementFound(localName);
        }
    }

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

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

/**
 * Parses the given <code>XMLStreamReader</code> containing parameters for a
 * XML-RPC request/response./*from  ww w .j a  va2  s . co m*/
 * 
 * @param reader
 *          the <code>StreamReader</code>.
 * @return the parameters of the XML-RPC request/response.
 */
protected final XmlRpcElement[] parseParametersElement(XMLStreamReader reader) throws XMLStreamException {
    List parameters = new ArrayList();

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

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

            if (XmlRpcElementNames.PARAM.equals(localName)) {
                XmlRpcElement parameter = parseParameterElement(reader);
                parameters.add(parameter);

            } else {
                XmlRpcParsingUtils.handleUnexpectedElementFound(localName);
            }
            break;

        case XMLStreamConstants.END_ELEMENT:
            localName = reader.getLocalName();

            if (XmlRpcElementNames.PARAMS.equals(localName)) {
                return (XmlRpcElement[]) parameters.toArray(new XmlRpcElement[parameters.size()]);
            }
        }
    }

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

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

/**
 * Creates a new <code>java.util.Map</code> from the current element being
 * read in the specified <code>StreamReader</code>.
 * //  www. j  av a 2 s.  c  o m
 * @param reader
 *          the <code>StreamReader</code>.
 * @return the new array of <code>java.util.Map</code>s.
 * @see #parseMemberElement(XMLStreamReader)
 */
protected final XmlRpcStruct parseStructElement(XMLStreamReader reader) throws XMLStreamException {
    XmlRpcStruct struct = new XmlRpcStruct();

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

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

            if (XmlRpcElementNames.MEMBER.equals(localName)) {
                XmlRpcMember member = parseMemberElement(reader);
                struct.add(member);
            }
            break;

        case XMLStreamConstants.END_ELEMENT:
            localName = reader.getLocalName();

            if (XmlRpcElementNames.STRUCT.equals(localName)) {
                return struct;
            }
        }
    }

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

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

/**
 * Creates a new <code>StructMember</code> from the current element being
 * read in the specified <code>StreamReader</code>.
 * //from  w  ww  . jav  a 2  s .c  o m
 * @param reader
 *          the <code>StreamReader</code>.
 * @return the new <code>StructMember</code>.
 * @throws XmlRpcInvalidPayloadException
 *           if the element contains an unknown child. Only one "name" element
 *           and one "value" element are allowed inside an "member" element.
 * @see #parseValueElement(XMLStreamReader)
 */
protected final XmlRpcMember parseMemberElement(XMLStreamReader reader) throws XMLStreamException {
    String name = null;
    XmlRpcElement value = null;

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

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

            if (XmlRpcElementNames.NAME.equals(localName)) {
                name = reader.getElementText();

            } else if (XmlRpcElementNames.VALUE.equals(localName)) {
                value = parseValueElement(reader);

            } else {
                XmlRpcParsingUtils.handleUnexpectedElementFound(localName);
            }
            break;

        case XMLStreamConstants.END_ELEMENT:
            localName = reader.getLocalName();

            if (XmlRpcElementNames.MEMBER.equals(localName)) {
                if (!StringUtils.hasText(name)) {
                    throw new XmlRpcInvalidPayloadException("The struct member should have a name");
                }

                return new XmlRpcMember(name, value);
            }
        }
    }

    // we should never reach this point.
    return null;
}

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>.
 * /*from   www  . ja v a  2 s .co  m*/
 * @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;
}