diff options
Diffstat (limited to 'sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/xml')
-rw-r--r-- | sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/xml/RESTBindingProcessor.java | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/xml/RESTBindingProcessor.java b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/xml/RESTBindingProcessor.java new file mode 100644 index 0000000000..304e778bce --- /dev/null +++ b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/xml/RESTBindingProcessor.java @@ -0,0 +1,142 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.binding.rest.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.OperationSelector; +import org.apache.tuscany.sca.assembly.WireFormat; +import org.apache.tuscany.sca.binding.rest.RESTBinding; +import org.apache.tuscany.sca.binding.rest.RESTBindingFactory; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; + +public class RESTBindingProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<RESTBinding> { + private static final String NAME = "name"; + private static final String URI = "uri"; + + private RESTBindingFactory httpBindingFactory; + private StAXArtifactProcessor<Object> extensionProcessor; + private StAXAttributeProcessor<Object> extensionAttributeProcessor; + + + public RESTBindingProcessor(ExtensionPointRegistry extensionPoints, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor) { + FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); + this.httpBindingFactory = modelFactories.getFactory(RESTBindingFactory.class); + this.extensionProcessor = (StAXArtifactProcessor<Object>)extensionProcessor; + this.extensionAttributeProcessor = extensionAttributeProcessor; + } + + public QName getArtifactType() { + return RESTBinding.TYPE; + } + + public Class<RESTBinding> getModelType() { + return RESTBinding.class; + } + + public RESTBinding read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException { + RESTBinding httpBinding = httpBindingFactory.createRESTBinding(); + + while(reader.hasNext()) { + QName elementName = null; + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: + elementName = reader.getName(); + + if (RESTBinding.TYPE.equals(elementName)) { + String name = getString(reader, NAME); + if(name != null) { + httpBinding.setName(name); + } + + String uri = getURIString(reader, URI); + if (uri != null) { + httpBinding.setURI(uri); + } + } else { + // Read an extension element + Object extension = extensionProcessor.read(reader, context); + if (extension != null) { + if (extension instanceof WireFormat) { + httpBinding.setRequestWireFormat((WireFormat)extension); + } else if(extension instanceof OperationSelector) { + httpBinding.setOperationSelector((OperationSelector)extension); + } + } + } + } + + if (event == END_ELEMENT && RESTBinding.TYPE.equals(reader.getName())) { + break; + } + + // Read the next element + if (reader.hasNext()) { + reader.next(); + } + } + + return httpBinding; + } + + public void write(RESTBinding httpBinding, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { + //writer.writeStartElement(Constants.SCA10_NS, BINDING_HTTP); + + writeStart(writer, RESTBinding.TYPE.getNamespaceURI(), RESTBinding.TYPE.getLocalPart()); + + // Write binding name + if (httpBinding.getName() != null) { + writer.writeAttribute(NAME, httpBinding.getName()); + } + + // Write binding URI + if (httpBinding.getURI() != null) { + writer.writeAttribute(URI, httpBinding.getURI()); + } + + writeEnd(writer); + //writer.writeEndElement(); + } + + + public void resolve(RESTBinding model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + // Should not need to do anything here for now... + + } + +} |