diff options
Diffstat (limited to 'sca-java-2.x/branches/sca-equinox/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java')
-rw-r--r-- | sca-java-2.x/branches/sca-equinox/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/sca-equinox/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java b/sca-java-2.x/branches/sca-equinox/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java new file mode 100644 index 0000000000..39b7065bf0 --- /dev/null +++ b/sca-java-2.x/branches/sca-equinox/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java @@ -0,0 +1,128 @@ +/*
+ * 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 echo.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+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.xml.PolicyAttachPointProcessor;
+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.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
+import org.apache.tuscany.sca.policy.IntentAttachPointType;
+import org.apache.tuscany.sca.policy.impl.IntentAttachPointTypeFactoryImpl;
+
+import echo.EchoBinding;
+import echo.EchoBindingFactory;
+
+/**
+ * A processor for <binding.echo> elements.
+ */
+public class EchoBindingProcessor implements StAXArtifactProcessor<EchoBinding> {
+
+ private QName BINDING_ECHO = new QName("http://echo", "binding.echo");
+
+ private final EchoBindingFactory factory;
+ private PolicyAttachPointProcessor policyProcessor;
+
+ public EchoBindingProcessor(EchoBindingFactory factory, PolicyFactory policyFactory) {
+ this.factory = factory;
+ this.policyProcessor = new PolicyAttachPointProcessor(policyFactory);
+ }
+
+ public QName getArtifactType() {
+ return BINDING_ECHO;
+ }
+
+ public Class<EchoBinding> getModelType() {
+ return EchoBinding.class;
+ }
+
+ public EchoBinding read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+ EchoBinding echoBinding = factory.createEchoBinding();
+ IntentAttachPointType bindingType = new IntentAttachPointTypeFactoryImpl().createBindingType();
+ bindingType.setName(getArtifactType());
+ bindingType.setUnresolved(true);
+ ((PolicySetAttachPoint)echoBinding).setType(bindingType);
+
+ String name = reader.getAttributeValue(null, "name");
+ if (name != null) {
+ echoBinding.setName(name);
+ }
+
+ String uri = reader.getAttributeValue(null, "uri");
+ if (uri != null) {
+ echoBinding.setURI(uri);
+ }
+
+ policyProcessor.readPolicies(echoBinding, reader);
+
+ return echoBinding;
+ }
+
+ public void write(EchoBinding echoBinding, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+
+ policyProcessor.writePolicyPrefixes(echoBinding, writer);
+ writer.writeStartElement(BINDING_ECHO.getNamespaceURI(), BINDING_ECHO.getLocalPart());
+ policyProcessor.writePolicyAttributes(echoBinding, writer);
+
+ if (echoBinding.getName() != null) {
+ writer.writeAttribute("name", echoBinding.getName());
+ }
+
+ if (echoBinding.getURI() != null) {
+ writer.writeAttribute("uri", echoBinding.getURI());
+ }
+
+ writer.writeEndElement();
+ }
+
+ public void resolve(EchoBinding echoBinding, ModelResolver resolver) throws ContributionResolveException {
+ PolicySetAttachPoint policySetAttachPoint = (PolicySetAttachPoint)echoBinding;
+ List<Intent> requiredIntents = new ArrayList<Intent>();
+ Intent resolvedIntent = null;
+ for ( Intent intent : policySetAttachPoint.getRequiredIntents() ) {
+ resolvedIntent = resolver.resolveModel(Intent.class, intent);
+ requiredIntents.add(resolvedIntent);
+ }
+ policySetAttachPoint.getRequiredIntents().clear();
+ policySetAttachPoint.getRequiredIntents().addAll(requiredIntents);
+
+ List<PolicySet> resolvedPolicySets = new ArrayList<PolicySet>();
+ PolicySet resolvedPolicySet = null;
+ for ( PolicySet policySet : policySetAttachPoint.getPolicySets() ) {
+ resolvedPolicySet = resolver.resolveModel(PolicySet.class, policySet);
+ resolvedPolicySets.add(resolvedPolicySet);
+ }
+ policySetAttachPoint.getPolicySets().clear();
+ policySetAttachPoint.getPolicySets().addAll(resolvedPolicySets);
+ }
+}
|