From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../sca/assembly/xml/SCABindingProcessor.java | 178 +++++++++++++++++++++ 1 file changed, 178 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/SCABindingProcessor.java (limited to 'sca-java-2.x/branches/2.0/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/SCABindingProcessor.java') diff --git a/sca-java-2.x/branches/2.0/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/SCABindingProcessor.java b/sca-java-2.x/branches/2.0/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/SCABindingProcessor.java new file mode 100644 index 0000000000..f0cbcc669f --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/SCABindingProcessor.java @@ -0,0 +1,178 @@ +/* + * 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.assembly.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.SCABinding; +import org.apache.tuscany.sca.assembly.SCABindingFactory; +import org.apache.tuscany.sca.assembly.WireFormat; +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.resolver.ModelResolver; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.policy.ExtensionType; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.policy.PolicySubject; + +/** + * A processor to read the XML that describes the SCA binding. + * + * @version $Rev$ $Date$ + */ + +public class SCABindingProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor { + private static final String NAME = "name"; + private static final String URI = "uri"; + private static final String DELEGATE_BINDING_TYPE = "delegateBindingType"; + private static final String DELEGATE_BINDING_URI = "delegateBindingURI"; + + private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200912"; + private static final String BINDING_SCA = "binding.sca"; + private static final QName BINDING_SCA_QNAME = new QName(SCA11_NS, BINDING_SCA); + + private PolicyFactory policyFactory; + private SCABindingFactory scaBindingFactory; + private PolicySubjectProcessor policyProcessor; + private PolicyFactory intentAttachPointTypeFactory; + private StAXArtifactProcessor extensionProcessor; + + + public SCABindingProcessor(FactoryExtensionPoint modelFactories, StAXArtifactProcessor extensionProcessor) { + this.policyFactory = modelFactories.getFactory(PolicyFactory.class); + this.scaBindingFactory = modelFactories.getFactory(SCABindingFactory.class); + policyProcessor = new PolicySubjectProcessor(policyFactory); + this.intentAttachPointTypeFactory = modelFactories.getFactory(PolicyFactory.class); + this.extensionProcessor = extensionProcessor; + } + + public QName getArtifactType() { + return BINDING_SCA_QNAME; + } + + public Class getModelType() { + return SCABinding.class; + } + + public SCABinding read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException { + SCABinding scaBinding = scaBindingFactory.createSCABinding(); + ExtensionType bindingType = intentAttachPointTypeFactory.createBindingType(); + bindingType.setType(getArtifactType()); + bindingType.setUnresolved(true); + ((PolicySubject)scaBinding).setExtensionType(bindingType); + + // Read policies + policyProcessor.readPolicies(scaBinding, reader); + + // Read binding name + String name = reader.getAttributeValue(null, NAME); + if (name != null) { + scaBinding.setName(name); + } + + // Read binding URI + String uri = getURIString(reader, URI); + if (uri != null) { + scaBinding.setURI(uri); + } + + // Read delegate binding type + String delegateBindingType = getString(reader, DELEGATE_BINDING_TYPE); + if (delegateBindingType != null) { + scaBinding.setDelegateBindingType(delegateBindingType); + } + + // Read delegate binding URI + String delegateBindingURI = getURIString(reader, DELEGATE_BINDING_URI); + if (delegateBindingURI != null) { + scaBinding.setDelegateBindingURI(delegateBindingURI); + } + + // Read any sub-elements + boolean endFound = false; + while (reader.hasNext() && endFound == false) { + int nextElementType = reader.next(); + switch (nextElementType) { + case START_ELEMENT: + Object extension = extensionProcessor.read(reader, context); + if (extension != null) { + if (extension instanceof WireFormat) { + scaBinding.setRequestWireFormat((WireFormat)extension); + } + } + break; + case END_ELEMENT: + QName endElementName = reader.getName(); + if(endElementName.equals(endElementName)){ + endFound = true; + } + break; + } + } + return scaBinding; + } + + public void resolve(SCABinding model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + policyProcessor.resolvePolicies(model, resolver, context); + } + + public void write(SCABinding scaBinding, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { + + // Write + writer.writeStartElement(SCA11_NS, BINDING_SCA); + policyProcessor.writePolicyAttributes(scaBinding, writer); + + // Write binding name + if (scaBinding.getName() != null) { + writer.writeAttribute(NAME, scaBinding.getName()); + } + + // Write binding URI + if (scaBinding.getURI() != null) { + writer.writeAttribute(URI, scaBinding.getURI()); + } + + // Write delegate binding type + if (scaBinding.getDelegateBindingType() != null) { + writer.writeAttribute(DELEGATE_BINDING_TYPE, scaBinding.getDelegateBindingType()); + } + + // Write delegate binding URI + if (scaBinding.getDelegateBindingURI() != null) { + writer.writeAttribute(DELEGATE_BINDING_URI, scaBinding.getDelegateBindingURI()); + } + + // write wireFormat + extensionProcessor.write(scaBinding.getRequestWireFormat(), writer, context); + + writer.writeEndElement(); + } + +} -- cgit v1.2.3