1 files changed, 128 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java b/tags/java/sca/1.5.1/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java
new file mode 100644
index 0000000000..61ae9b9553
--- /dev/null
+++ b/tags/java/sca/1.5.1/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.StAXArtifactProcessor;
+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.contribution.service.ContributionWriteException;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentAttachPointType;
+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.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 {
+
+        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);
+    }
+}