Example usage for javax.xml.stream XMLStreamConstants PROCESSING

Introduction

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

Prototype

int PROCESSING_INSTRUCTION

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Document

Indicates an event is a processing instruction

Usage

From source file:org.apereo.portal.xml.stream.IndentingXMLEventWriter.java

@Override
public void add(XMLEvent event) throws XMLStreamException {
    switch (event.getEventType()) {
    case XMLStreamConstants.CHARACTERS:
    case XMLStreamConstants.CDATA:
    case XMLStreamConstants.SPACE: {
        wrappedWriter.add(event);//from w ww.  ja  va  2s .  co m
        afterData();
        return;
    }
    case XMLStreamConstants.START_ELEMENT: {
        beforeStartElement();
        wrappedWriter.add(event);
        afterStartElement();
        return;
    }

    case XMLStreamConstants.END_ELEMENT: {
        beforeEndElement();
        wrappedWriter.add(event);
        afterEndElement();
        return;
    }
    case XMLStreamConstants.START_DOCUMENT:
    case XMLStreamConstants.PROCESSING_INSTRUCTION:
    case XMLStreamConstants.COMMENT:
    case XMLStreamConstants.DTD: {
        beforeMarkup();
        wrappedWriter.add(event);
        afterMarkup();
        return;
    }
    case XMLStreamConstants.END_DOCUMENT: {
        wrappedWriter.add(event);
        afterEndDocument();
        break;
    }
    default: {
        wrappedWriter.add(event);
        return;
    }
    }
}

From source file:org.pentaho.di.trans.steps.webservices.WebService.java

private void compatibleProcessRows(InputStream anXml, Object[] rowData, RowMetaInterface rowMeta,
        boolean ignoreNamespacePrefix, String encoding) throws KettleException {

    // First we should get the complete string
    // The problem is that the string can contain XML or any other format such as HTML saying the service is no longer
    // available.
    // We're talking about a WEB service here.
    // As such, to keep the original parsing scheme, we first read the content.
    // Then we create an input stream from the content again.
    // It's elaborate, but that way we can report on the failure more correctly.
    ///*from  w  w  w.  j  a v  a  2  s. c o m*/
    String response = readStringFromInputStream(anXml, encoding);

    // Create a new reader to feed into the XML Input Factory below...
    //
    StringReader stringReader = new StringReader(response.toString());

    // TODO Very empirical : see if we can do something better here
    try {
        XMLInputFactory vFactory = XMLInputFactory.newInstance();
        XMLStreamReader vReader = vFactory.createXMLStreamReader(stringReader);

        Object[] outputRowData = RowDataUtil.allocateRowData(data.outputRowMeta.size());
        int outputIndex = 0;

        boolean processing = false;
        boolean oneValueRowProcessing = false;
        for (int event = vReader.next(); vReader.hasNext(); event = vReader.next()) {
            switch (event) {
            case XMLStreamConstants.START_ELEMENT:

                // Start new code
                // START_ELEMENT= 1
                //
                if (log.isRowLevel()) {
                    logRowlevel("START_ELEMENT / " + vReader.getAttributeCount() + " / "
                            + vReader.getNamespaceCount());
                }

                // If we start the xml element named like the return type,
                // we start a new row
                //
                if (log.isRowLevel()) {
                    logRowlevel("vReader.getLocalName = " + vReader.getLocalName());
                }
                if (Const.isEmpty(meta.getOutFieldArgumentName())) {
                    // getOutFieldArgumentName() == null
                    if (oneValueRowProcessing) {
                        WebServiceField field = meta.getFieldOutFromWsName(vReader.getLocalName(),
                                ignoreNamespacePrefix);
                        if (field != null) {
                            outputRowData[outputIndex++] = getValue(vReader.getElementText(), field);
                            putRow(data.outputRowMeta, outputRowData);
                            oneValueRowProcessing = false;
                        } else {
                            if (meta.getOutFieldContainerName().equals(vReader.getLocalName())) {
                                // meta.getOutFieldContainerName() = vReader.getLocalName()
                                if (log.isRowLevel()) {
                                    logRowlevel("OutFieldContainerName = " + meta.getOutFieldContainerName());
                                }
                                oneValueRowProcessing = true;
                            }
                        }
                    }
                } else {
                    // getOutFieldArgumentName() != null
                    if (log.isRowLevel()) {
                        logRowlevel("OutFieldArgumentName = " + meta.getOutFieldArgumentName());
                    }
                    if (meta.getOutFieldArgumentName().equals(vReader.getLocalName())) {
                        if (log.isRowLevel()) {
                            logRowlevel("vReader.getLocalName = " + vReader.getLocalName());
                        }
                        if (log.isRowLevel()) {
                            logRowlevel("OutFieldArgumentName = ");
                        }
                        if (processing) {
                            WebServiceField field = meta.getFieldOutFromWsName(vReader.getLocalName(),
                                    ignoreNamespacePrefix);
                            if (field != null) {
                                int index = data.outputRowMeta.indexOfValue(field.getName());
                                if (index >= 0) {
                                    outputRowData[index] = getValue(vReader.getElementText(), field);
                                }
                            }
                            processing = false;
                        } else {
                            WebServiceField field = meta.getFieldOutFromWsName(vReader.getLocalName(),
                                    ignoreNamespacePrefix);
                            if (meta.getFieldsOut().size() == 1 && field != null) {
                                // This can be either a simple return element, or a complex type...
                                //
                                try {
                                    if (meta.isPassingInputData()) {
                                        for (int i = 0; i < rowMeta.getValueMetaList().size(); i++) {
                                            ValueMetaInterface valueMeta = getInputRowMeta().getValueMeta(i);
                                            outputRowData[outputIndex++] = valueMeta.cloneValueData(rowData[i]);

                                        }
                                    }

                                    outputRowData[outputIndex++] = getValue(vReader.getElementText(), field);
                                    putRow(data.outputRowMeta, outputRowData);
                                } catch (WstxParsingException e) {
                                    throw new KettleStepException("Unable to get value for field ["
                                            + field.getName()
                                            + "].  Verify that this is not a complex data type by looking at the response XML.",
                                            e);
                                }
                            } else {
                                for (WebServiceField curField : meta.getFieldsOut()) {
                                    if (!Const.isEmpty(curField.getName())) {
                                        outputRowData[outputIndex++] = getValue(vReader.getElementText(),
                                                curField);
                                    }
                                }
                                processing = true;
                            }
                        }

                    } else {
                        if (log.isRowLevel()) {
                            logRowlevel("vReader.getLocalName = " + vReader.getLocalName());
                        }
                        if (log.isRowLevel()) {
                            logRowlevel("OutFieldArgumentName = " + meta.getOutFieldArgumentName());
                        }
                    }
                }
                break;

            case XMLStreamConstants.END_ELEMENT:
                // END_ELEMENT= 2
                if (log.isRowLevel()) {
                    logRowlevel("END_ELEMENT");
                }
                // If we end the xml element named as the return type, we
                // finish a row
                if ((meta.getOutFieldArgumentName() == null
                        && meta.getOperationName().equals(vReader.getLocalName()))) {
                    oneValueRowProcessing = false;
                } else if (meta.getOutFieldArgumentName() != null
                        && meta.getOutFieldArgumentName().equals(vReader.getLocalName())) {
                    putRow(data.outputRowMeta, outputRowData);
                    processing = false;
                }
                break;
            case XMLStreamConstants.PROCESSING_INSTRUCTION:
                // PROCESSING_INSTRUCTION= 3
                if (log.isRowLevel()) {
                    logRowlevel("PROCESSING_INSTRUCTION");
                }
                break;
            case XMLStreamConstants.CHARACTERS:
                // CHARACTERS= 4
                if (log.isRowLevel()) {
                    logRowlevel("CHARACTERS");
                }
                break;
            case XMLStreamConstants.COMMENT:
                // COMMENT= 5
                if (log.isRowLevel()) {
                    logRowlevel("COMMENT");
                }
                break;
            case XMLStreamConstants.SPACE:
                // PROCESSING_INSTRUCTION= 6
                if (log.isRowLevel()) {
                    logRowlevel("PROCESSING_INSTRUCTION");
                }
                break;
            case XMLStreamConstants.START_DOCUMENT:
                // START_DOCUMENT= 7
                if (log.isRowLevel()) {
                    logRowlevel("START_DOCUMENT");
                }
                if (log.isRowLevel()) {
                    logRowlevel(vReader.getText());
                }
                break;
            case XMLStreamConstants.END_DOCUMENT:
                // END_DOCUMENT= 8
                if (log.isRowLevel()) {
                    logRowlevel("END_DOCUMENT");
                }
                break;
            case XMLStreamConstants.ENTITY_REFERENCE:
                // ENTITY_REFERENCE= 9
                if (log.isRowLevel()) {
                    logRowlevel("ENTITY_REFERENCE");
                }
                break;
            case XMLStreamConstants.ATTRIBUTE:
                // ATTRIBUTE= 10
                if (log.isRowLevel()) {
                    logRowlevel("ATTRIBUTE");
                }
                break;
            case XMLStreamConstants.DTD:
                // DTD= 11
                if (log.isRowLevel()) {
                    logRowlevel("DTD");
                }
                break;
            case XMLStreamConstants.CDATA:
                // CDATA= 12
                if (log.isRowLevel()) {
                    logRowlevel("CDATA");
                }
                break;
            case XMLStreamConstants.NAMESPACE:
                // NAMESPACE= 13
                if (log.isRowLevel()) {
                    logRowlevel("NAMESPACE");
                }
                break;
            case XMLStreamConstants.NOTATION_DECLARATION:
                // NOTATION_DECLARATION= 14
                if (log.isRowLevel()) {
                    logRowlevel("NOTATION_DECLARATION");
                }
                break;
            case XMLStreamConstants.ENTITY_DECLARATION:
                // ENTITY_DECLARATION= 15
                if (log.isRowLevel()) {
                    logRowlevel("ENTITY_DECLARATION");
                }
                break;
            default:
                break;
            }
        }
    } catch (Exception e) {
        throw new KettleStepException(
                BaseMessages.getString(PKG, "WebServices.ERROR0010.OutputParsingError", response.toString()),
                e);
    }
}

From source file:org.pentaho.di.trans.steps.xmlinputstream.XMLInputStream.java

private Object[] processEvent() throws KettleException {

    Object[] outputRowData = RowDataUtil.allocateRowData(data.outputRowMeta.size());
    XMLEvent e = null;/* w  w w . ja  v  a2s.c  om*/
    try {
        e = data.xmlEventReader.nextEvent();
    } catch (XMLStreamException ex) {
        throw new KettleException(ex);
    }

    int eventType = e.getEventType();
    if (data.pos_xml_data_type_numeric != -1) {
        outputRowData[data.pos_xml_data_type_numeric] = new Long(eventType);
    }
    if (data.pos_xml_data_type_description != -1) {
        if (eventType == 0 || eventType > eventDescription.length) {
            // unknown eventType
            outputRowData[data.pos_xml_data_type_description] = eventDescription[0] + "(" + eventType + ")";
        } else {
            outputRowData[data.pos_xml_data_type_description] = eventDescription[eventType];
        }
    }
    if (data.pos_xml_location_line != -1) {
        outputRowData[data.pos_xml_location_line] = new Long(e.getLocation().getLineNumber());
    }
    if (data.pos_xml_location_column != -1) {
        outputRowData[data.pos_xml_location_column] = new Long(e.getLocation().getColumnNumber());
    }

    switch (eventType) {

    case XMLStreamConstants.START_ELEMENT:
        data.elementLevel++;
        if (data.elementLevel > PARENT_ID_ALLOCATE_SIZE - 1) {
            throw new KettleException(BaseMessages.getString(PKG, "XMLInputStream.Log.TooManyNestedElements",
                    PARENT_ID_ALLOCATE_SIZE));
        }
        if (data.elementParentID[data.elementLevel] == null) {
            data.elementParentID[data.elementLevel] = data.elementID;
        }
        data.elementID++;
        data.elementLevelID[data.elementLevel] = data.elementID;

        String xml_data_name;
        if (meta.isEnableNamespaces()) {
            String prefix = e.asStartElement().getName().getPrefix();
            if (Utils.isEmpty(prefix)) {
                xml_data_name = e.asStartElement().getName().getLocalPart();
            } else { // add namespace prefix:
                xml_data_name = prefix + ":" + e.asStartElement().getName().getLocalPart();
            }
        } else {
            xml_data_name = e.asStartElement().getName().getLocalPart();
        }
        if (data.pos_xml_data_name >= 0) {
            outputRowData[data.pos_xml_data_name] = xml_data_name;
        }
        // store the name
        data.elementName[data.elementLevel] = xml_data_name;
        // store simple path
        data.elementPath[data.elementLevel] = data.elementPath[data.elementLevel - 1] + "/" + xml_data_name;

        // write Namespaces out
        if (meta.isEnableNamespaces()) {
            outputRowData = parseNamespaces(outputRowData, e);
        }

        // write Attributes out
        outputRowData = parseAttributes(outputRowData, e);

        break;

    case XMLStreamConstants.END_ELEMENT:
        parseEndElement(outputRowData, e.asEndElement());
        putRowOut(outputRowData);
        data.elementParentID[data.elementLevel + 1] = null;
        data.elementLevel--;
        outputRowData = null; // continue
        break;

    case XMLStreamConstants.SPACE:
        outputRowData = null; // ignore & continue
        break;

    case XMLStreamConstants.CHARACTERS:
    case XMLStreamConstants.CDATA:
        if (data.pos_xml_data_name >= 0) {
            outputRowData[data.pos_xml_data_name] = data.elementName[data.elementLevel];
        }
        String xml_data_value = e.asCharacters().getData();
        if (data.pos_xml_data_value >= 0) {
            if (meta.isEnableTrim()) {
                // optional trim is also eliminating white spaces, tab, cr, lf
                xml_data_value = Const.trim(xml_data_value);
            }
            outputRowData[data.pos_xml_data_value] = xml_data_value;
        }

        if (data.pos_xml_data_value < 0 || Utils.isEmpty((String) outputRowData[data.pos_xml_data_value])) {
            outputRowData = null; // ignore & continue
        }
        break;

    case XMLStreamConstants.PROCESSING_INSTRUCTION:
        outputRowData = null; // ignore & continue
        // TODO test if possible
        break;

    case XMLStreamConstants.COMMENT:
        outputRowData = null; // ignore & continue
        // TODO test if possible
        break;

    case XMLStreamConstants.ENTITY_REFERENCE:
        // should be resolved by default
        outputRowData = null; // ignore & continue
        break;

    case XMLStreamConstants.START_DOCUMENT:
        // just get this information out
        break;

    case XMLStreamConstants.END_DOCUMENT:
        // just get this information out
        break;

    default:
        logBasic("Event:" + eventType);
        outputRowData = null; // ignore & continue
    }

    return outputRowData;
}

From source file:org.rhq.plugins.hadoop.HadoopServerConfigurationDelegate.java

private static void updateFile(File configFile, Map<String, PropertySimple> allProps)
        throws IOException, InterruptedException, XMLStreamException {
    InputStream in = null;/*w  w  w. j  a v  a 2 s  .  com*/
    XMLStreamReader rdr = null;

    OutputStream out = null;
    XMLStreamWriter outWrt = null;

    try {
        Set<String> processedPropertyNames = new HashSet<String>();

        in = new BufferedInputStream(new FileInputStream(configFile));
        rdr = XML_INPUT_FACTORY.createXMLStreamReader(in);

        File tmpFile = File.createTempFile("hadoop-plugin", null);
        out = new FileOutputStream(tmpFile);
        outWrt = XML_OUTPUT_FACTORY.createXMLStreamWriter(out);

        ByteArrayOutputStream stash = new ByteArrayOutputStream();
        XMLStreamWriter stashWrt = XML_OUTPUT_FACTORY.createXMLStreamWriter(stash);
        boolean outputActive = true;

        outWrt.writeStartDocument();

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

            XMLStreamWriter wrt = outputActive ? outWrt : stashWrt;

            switch (event) {
            case XMLStreamConstants.ATTRIBUTE:
                break;
            case XMLStreamConstants.CDATA:
                wrt.writeCData(rdr.getText());
                break;
            case XMLStreamConstants.CHARACTERS:
                wrt.writeCharacters(rdr.getText());
                break;
            case XMLStreamConstants.COMMENT:
                wrt.writeComment(rdr.getText());
                break;
            case XMLStreamConstants.DTD:
                wrt.writeDTD(rdr.getText());
                break;
            case XMLStreamConstants.END_DOCUMENT:
                wrt.writeEndDocument();
                break;
            case XMLStreamConstants.END_ELEMENT:
                if (PROPERTY_TAG_NAME.equals(rdr.getName().getLocalPart())) {
                    String encoding = rdr.getEncoding();
                    if (encoding == null) {
                        encoding = "UTF-8";
                    }

                    String propertyTagSoFar = Charset.forName(encoding)
                            .decode(ByteBuffer.wrap(stash.toByteArray())).toString();
                    DetectedPropertyNameAndUpdatedTag propAndTag = updateProperty(propertyTagSoFar, allProps);

                    //yes, we're intentionally circumventing the xml stream writer, because we already have the XML data we want to write.
                    outWrt.flush();
                    out.write(propAndTag.updatedTag.getBytes("UTF-8"));

                    processedPropertyNames.add(propAndTag.propertyName);

                    //reset stuff
                    stash.reset();
                    wrt = outWrt;
                    outputActive = true;
                } else if (CONFIGURATION_TAG_NAME.equals(rdr.getName().getLocalPart())) {
                    //now add the new props
                    for (String prop : processedPropertyNames) {
                        allProps.remove(prop);
                    }

                    for (Map.Entry<String, PropertySimple> e : allProps.entrySet()) {
                        outWrt.writeStartElement(PROPERTY_TAG_NAME);

                        outWrt.writeStartElement(NAME_TAG_NAME);
                        outWrt.writeCharacters(e.getKey());
                        outWrt.writeEndElement();

                        outWrt.writeStartElement(VALUE_TAG_NAME);
                        outWrt.writeCharacters(e.getValue().getStringValue());
                        outWrt.writeEndElement();

                        outWrt.writeEndElement();
                    }
                }
                wrt.writeEndElement();
                break;
            case XMLStreamConstants.ENTITY_DECLARATION:
                //XXX could not find what to do with this
                break;
            case XMLStreamConstants.ENTITY_REFERENCE:
                wrt.writeEntityRef(rdr.getText());
                break;
            case XMLStreamConstants.NAMESPACE:
                for (int i = 0; i < rdr.getNamespaceCount(); ++i) {
                    wrt.writeNamespace(rdr.getNamespacePrefix(i), rdr.getNamespaceURI(i));
                }
                break;
            case XMLStreamConstants.NOTATION_DECLARATION:
                //XXX could not find what to do with this
                break;
            case XMLStreamConstants.PROCESSING_INSTRUCTION:
                wrt.writeProcessingInstruction(rdr.getPITarget(), rdr.getPIData());
                break;
            case XMLStreamConstants.SPACE:
                wrt.writeCharacters(rdr.getText());
                break;
            case XMLStreamConstants.START_DOCUMENT:
                //this seems to be never called for some strange reason
                //wrt.writeStartDocument();
                break;
            case XMLStreamConstants.START_ELEMENT:
                wrt.writeStartElement(rdr.getName().getPrefix(), rdr.getName().getLocalPart(),
                        rdr.getName().getNamespaceURI());

                for (int i = 0; i < rdr.getAttributeCount(); ++i) {
                    wrt.writeAttribute(rdr.getAttributePrefix(i), rdr.getAttributeNamespace(i),
                            rdr.getAttributeLocalName(i), rdr.getAttributeValue(i));
                }

                if (PROPERTY_TAG_NAME.equals(rdr.getName().getLocalPart())) {
                    wrt.writeCharacters("");
                    outputActive = false;
                }
                break;
            }
        }

        outWrt.flush();
        out.flush();
        out.close();

        in.close();

        //now copy the temp file in the place of the original one
        FileUtil.copyFile(tmpFile, configFile);
    } finally {
        rdr.close();

        outWrt.flush();
        outWrt.close();

        try {
            in.close();
        } finally {
            out.flush();
            out.close();
        }
    }
}

From source file:org.slc.sli.modeling.wadl.reader.WadlReader.java

private static final Documentation readDocumentation(final XMLStreamReader reader) throws XMLStreamException {
    assertName(WadlElementName.DOCUMENTATION, reader);
    final String title = getTitle(reader, null);
    final String lang = getLang(reader, null);
    final List<DmNode> content = new LinkedList<DmNode>();
    while (reader.hasNext()) {
        reader.next();// w w  w . j a v a 2s  . c o m
        switch (reader.getEventType()) {
        case XMLStreamConstants.START_ELEMENT: {
            content.add(readMixedElement(reader));
            break;
        }
        case XMLStreamConstants.END_ELEMENT: {
            assertName(WadlElementName.DOCUMENTATION, reader);
            return new Documentation(title, lang, content);
        }
        case XMLStreamConstants.CHARACTERS: {
            content.add(new DmText(reader.getText()));
            break;
        }
        case XMLStreamConstants.COMMENT: {
            content.add(new DmComment(reader.getText()));
            break;
        }
        case XMLStreamConstants.PROCESSING_INSTRUCTION: {
            content.add(new DmProcessingInstruction(reader.getPITarget(), reader.getPIData()));
            break;
        }
        default: {
            throw new AssertionError(reader.getEventType());
        }
        }
    }
    throw new AssertionError();
}

From source file:org.slc.sli.modeling.xmi.comp.XmiMappingReader.java

private static final XmiComparison readDocument(final XMLStreamReader reader) throws XMLStreamException {
    assertStartDocument(reader);//from  w ww.  j a v a2  s .  c  om
    XmiComparison dm = null;
    while (reader.hasNext()) {
        reader.next();
        switch (reader.getEventType()) {
        case XMLStreamConstants.START_ELEMENT: {
            if (match(XmiMappingConstants.DOCUMENT_ELEMENT, reader)) {
                dm = assertNotNull(readMappingList(reader));
                return dm;
            } else {
                XMLStreamReaderTools.skipElement(reader);
            }
            break;
        }
        case XMLStreamConstants.END_DOCUMENT: {
            return validateNotNull(dm, "Missing root element: " + XmiMappingConstants.DOCUMENT_ELEMENT);
        }
        case XMLStreamConstants.PROCESSING_INSTRUCTION: {
            break;
        }
        default: {
            throw new AssertionError(reader.getEventType());
        }
        }
    }
    throw new AssertionError();
}

From source file:org.slc.sli.modeling.xmi.comp.XmiMappingReader.java

private static final XmiComparison readMappingList(final XMLStreamReader reader) throws XMLStreamException {
    assertStartElement(reader);/* w ww.jav  a2  s . com*/
    assertName(XmiMappingConstants.DOCUMENT_ELEMENT, reader);
    XmiDefinition lhsModel = null;
    XmiDefinition rhsModel = null;
    final List<XmiMapping> mappingList = new LinkedList<XmiMapping>();
    while (reader.hasNext()) {
        reader.next();
        switch (reader.getEventType()) {
        case XMLStreamConstants.START_ELEMENT: {
            if (match(XmiMappingConstants.MAPPING, reader)) {
                mappingList.add(assertNotNull(readMapping(reader)));
            } else if (match(XmiMappingConstants.LHS_MODEL, reader)) {
                lhsModel = assertNotNull(readModel(reader));
            } else if (match(XmiMappingConstants.RHS_MODEL, reader)) {
                rhsModel = assertNotNull(readModel(reader));
            } else {
                throw new AssertionError(reader.getLocalName());
            }
            break;
        }
        case XMLStreamConstants.END_ELEMENT: {
            assertName(XmiMappingConstants.DOCUMENT_ELEMENT, reader);
            return new XmiComparison(lhsModel, rhsModel, mappingList);
        }
        case XMLStreamConstants.CHARACTERS:
        case XMLStreamConstants.COMMENT:
        case XMLStreamConstants.PROCESSING_INSTRUCTION: {
            // Ignore.
            break;
        }
        default: {
            throw new AssertionError(reader.getEventType());
        }
        }
    }
    throw new AssertionError();
}

Example usage for javax.xml.stream XMLStreamConstants PROCESSING_INSTRUCTION

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