diff options
Diffstat (limited to 'branches/sca-java-1.x/modules/contribution-xml/src/main/java/org/apache')
-rw-r--r-- | branches/sca-java-1.x/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/AnyElementProcessor.java | 242 |
1 files changed, 116 insertions, 126 deletions
diff --git a/branches/sca-java-1.x/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/AnyElementProcessor.java b/branches/sca-java-1.x/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/AnyElementProcessor.java index 2b868b9e45..6e6803a806 100644 --- a/branches/sca-java-1.x/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/AnyElementProcessor.java +++ b/branches/sca-java-1.x/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/AnyElementProcessor.java @@ -18,28 +18,23 @@ */ package org.apache.tuscany.sca.contribution.processor.xml; +import static javax.xml.stream.XMLStreamConstants.CDATA; +import static javax.xml.stream.XMLStreamConstants.CHARACTERS; import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; -import static javax.xml.stream.XMLStreamConstants.CHARACTERS; -import static javax.xml.stream.XMLStreamConstants.COMMENT; -import static javax.xml.stream.XMLStreamConstants.CDATA; import java.util.ArrayList; import java.util.HashMap; -import java.util.Iterator; import java.util.List; import java.util.Map; -import java.util.Stack; import javax.xml.namespace.NamespaceContext; import javax.xml.namespace.QName; import javax.xml.stream.XMLEventReader; import javax.xml.stream.XMLInputFactory; -import javax.xml.stream.XMLStreamConstants; import javax.xml.stream.XMLStreamException; import javax.xml.stream.XMLStreamReader; import javax.xml.stream.XMLStreamWriter; -import javax.xml.stream.events.Characters; import javax.xml.stream.events.XMLEvent; import org.apache.tuscany.sca.contribution.Constants; @@ -49,126 +44,121 @@ import org.apache.tuscany.sca.contribution.resolver.ModelResolver; import org.apache.tuscany.sca.contribution.service.ContributionReadException; import org.apache.tuscany.sca.contribution.service.ContributionResolveException; import org.apache.tuscany.sca.monitor.Monitor; -import org.apache.tuscany.sca.contribution.processor.xml.XMLEventsStreamReader; public class AnyElementProcessor implements StAXArtifactProcessor<Object> { - private static final QName ANY_ELEMENT = new QName(Constants.XMLSCHEMA_NS, - "anyElement"); - - private XMLInputFactory xmlInputFactory; - @SuppressWarnings("unused") - private Monitor monitor; - //Map<String, NamespaceContext> map = new HashMap<String, NamespaceContext>(); - - public AnyElementProcessor(ModelFactoryExtensionPoint modelFactories, - Monitor monitor) { - xmlInputFactory = modelFactories.getFactory(XMLInputFactory.class); - this.monitor = monitor; - } - - public QName getArtifactType() { - return ANY_ELEMENT; - } - - public Class<Object> getModelType() { - return Object.class; - } - - /** - * Reads the contetns of the unknown elements and generates a custom - * implementation of XMLStreamReader i.e. XMLEventsStreamReader - * - * @param reader - * @return - * @throws XMLStreamException - */ - @SuppressWarnings("unchecked") - public Object read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { - - //Custom variables - String currentElement = null; - List eventsList = new ArrayList(); - - Map<String, NamespaceContext> eventContext = new HashMap<String, NamespaceContext>(); - - try{ - //Cast the block of unknown elements into document - XMLDocumentStreamReader docReader = new XMLDocumentStreamReader(reader); - - XMLEventReader xmlEventReader = xmlInputFactory.createXMLEventReader(docReader); - - while (xmlEventReader.hasNext()) { - XMLEvent event = xmlEventReader.nextEvent(); - - //Populate the eventContext map with the current element's name and corresponding NamesapceContext - if (currentElement != null && !(eventContext.containsKey(currentElement))) { - eventContext.put(currentElement, reader.getNamespaceContext()); - } - - //Populate the list with the XMLEvents - eventsList.add(event); - if (event.isStartElement()) { - currentElement = reader.getName().getLocalPart(); - } - if (event.isEndDocument()) { - return new XMLEventsStreamReader(eventsList, eventContext); - } - } - } - catch(Exception e){ - e.printStackTrace(); - } - return null; - } - - /** - * Writes unknown portions back to the writer - * - * @param model - * @param writer - */ - public void write(Object model, XMLStreamWriter writer) - throws XMLStreamException { - if (!(model instanceof XMLStreamReader)) { - return; - } - XMLStreamReader reader = (XMLStreamReader) model; - - int event = reader.getEventType(); - while (reader.hasNext()) { - switch (event) { - case START_ELEMENT: - - writer.writeStartElement(reader.getPrefix(), reader - .getLocalName(), reader.getNamespaceURI()); - for (int i = 1; i <= reader.getAttributeCount(); i++) { - writer.writeAttribute(reader.getAttributePrefix(i), reader.getAttributeNamespace(i), - reader.getAttributeLocalName(i), reader.getAttributeValue(i)); - } - break; - - case CHARACTERS: - writer.writeCharacters(reader.getText()); - break; - - case CDATA: - writer.writeCData(reader.getText()); - break; - - case END_ELEMENT: - writer.writeEndElement(); - break; - } - if (reader.hasNext()) { - event = reader.next(); - } - } - } - - public void resolve(Object model, ModelResolver resolver) - throws ContributionResolveException { - // TODO Auto-generated method stub - - } + private static final QName ANY_ELEMENT = new QName(Constants.XMLSCHEMA_NS, "anyElement"); + + private XMLInputFactory xmlInputFactory; + @SuppressWarnings("unused") + private Monitor monitor; + + // Map<String, NamespaceContext> map = new HashMap<String,NamespaceContext>(); + + public AnyElementProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + xmlInputFactory = modelFactories.getFactory(XMLInputFactory.class); + this.monitor = monitor; + } + + public QName getArtifactType() { + return ANY_ELEMENT; + } + + public Class<Object> getModelType() { + return Object.class; + } + + /** + * Reads the contetns of the unknown elements and generates a custom + * implementation of XMLStreamReader i.e. XMLEventsStreamReader + * + * @param reader + * @return + * @throws XMLStreamException + */ + @SuppressWarnings("unchecked") + public Object read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + + // Custom variables + String currentElement = null; + List eventsList = new ArrayList(); + + Map<String, NamespaceContext> eventContext = new HashMap<String, NamespaceContext>(); + + try { + // Cast the block of unknown elements into document + XMLDocumentStreamReader docReader = new XMLDocumentStreamReader(reader); + + XMLEventReader xmlEventReader = xmlInputFactory.createXMLEventReader(docReader); + + while (xmlEventReader.hasNext()) { + XMLEvent event = xmlEventReader.nextEvent(); + + // Populate the eventContext map with the current element's name + // and corresponding NamesapceContext + if (currentElement != null && !(eventContext.containsKey(currentElement))) { + eventContext.put(currentElement, reader.getNamespaceContext()); + } + + // Populate the list with the XMLEvents + eventsList.add(event); + if (event.isStartElement()) { + currentElement = reader.getName().getLocalPart(); + } + if (event.isEndDocument()) { + return new XMLEventsStreamReader(eventsList, eventContext); + } + } + } catch (Exception e) { + e.printStackTrace(); + } + return null; + } + + /** + * Writes unknown portions back to the writer + * + * @param model + * @param writer + */ + public void write(Object model, XMLStreamWriter writer) throws XMLStreamException { + if (!(model instanceof XMLStreamReader)) { + return; + } + XMLStreamReader reader = (XMLStreamReader)model; + + int event = reader.getEventType(); + while (reader.hasNext()) { + switch (event) { + case START_ELEMENT: + + writer.writeStartElement(reader.getPrefix(), reader.getLocalName(), reader.getNamespaceURI()); + for (int i = 1; i <= reader.getAttributeCount(); i++) { + writer.writeAttribute(reader.getAttributePrefix(i), reader.getAttributeNamespace(i), reader + .getAttributeLocalName(i), reader.getAttributeValue(i)); + } + break; + + case CHARACTERS: + writer.writeCharacters(reader.getText()); + break; + + case CDATA: + writer.writeCData(reader.getText()); + break; + + case END_ELEMENT: + writer.writeEndElement(); + break; + } + if (reader.hasNext()) { + event = reader.next(); + } + } + } + + public void resolve(Object model, ModelResolver resolver) throws ContributionResolveException { + // TODO Auto-generated method stub + + } } |