Add implementation-jaxrs model/processor

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@927956 13f79535-47bb-0310-9956-ffa450edef68

5 files changed, 310 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/JAXRSImplementation.java b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/JAXRSImplementation.java
new file mode 100644
index 0000000000..8180ab2849
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/JAXRSImplementation.java
@@ -0,0 +1,39 @@
+/*
+ * 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.implementation.jaxrs;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Base;
+import org.apache.tuscany.sca.assembly.Implementation;
+
+/**
+ * The model representing an Web implementation in an SCA assembly model.
+ */
+public interface JAXRSImplementation extends Implementation {
+    QName TYPE = new QName(Base.SCA11_TUSCANY_NS, "implementation.jaxrs");
+
+    String getApplication();
+
+    void setApplication(String application);
+
+    Class<?> getApplicationClass();
+
+    void setApplicationClass(Class<?> applicationClass);
+}
diff --git a/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/JAXRSImplementationFactory.java b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/JAXRSImplementationFactory.java
new file mode 100644
index 0000000000..109857741c
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/JAXRSImplementationFactory.java
@@ -0,0 +1,33 @@
+/*
+ * 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.implementation.jaxrs;
+
+/**
+ * Factory for the JAX-RS implementation model.
+ */
+public interface JAXRSImplementationFactory {
+
+    /**
+     * Creates a new JAX-RS implementation.
+     * @return a new JAX-RS implementation
+     */
+    JAXRSImplementation createJAXRSImplementation();
+
+}
diff --git a/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/impl/JAXRSImplementationFactoryImpl.java b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/impl/JAXRSImplementationFactoryImpl.java
new file mode 100644
index 0000000000..46d38e4131
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/impl/JAXRSImplementationFactoryImpl.java
@@ -0,0 +1,37 @@
+/*
+ * 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.implementation.jaxrs.impl;
+
+import org.apache.tuscany.sca.implementation.jaxrs.JAXRSImplementation;
+import org.apache.tuscany.sca.implementation.jaxrs.JAXRSImplementationFactory;
+
+/**
+ * Factory for the Web implementation model.
+ */
+public class JAXRSImplementationFactoryImpl implements JAXRSImplementationFactory {
+    
+    public JAXRSImplementationFactoryImpl() {
+    }
+
+    public JAXRSImplementation createJAXRSImplementation() {
+        return new JAXRSImplementationImpl();
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/impl/JAXRSImplementationImpl.java b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/impl/JAXRSImplementationImpl.java
new file mode 100644
index 0000000000..99f6f8df59
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/impl/JAXRSImplementationImpl.java
@@ -0,0 +1,94 @@
+/*
+ * 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.implementation.jaxrs.impl;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.impl.ImplementationImpl;
+import org.apache.tuscany.sca.implementation.jaxrs.JAXRSImplementation;
+
+/**
+ * The model representing an Web implementation in an SCA assembly model.
+ */
+public class JAXRSImplementationImpl extends ImplementationImpl implements JAXRSImplementation {
+
+    private String application;
+    private Class<?> applicationClass;
+
+    /**
+     * Constructs a new JAXRS implementation.
+     */
+    public JAXRSImplementationImpl() {
+        super(TYPE);
+    }
+
+    public List<Service> getServices() {
+        // The Web implementation does not offer services
+        return Collections.emptyList();
+    }
+
+    public String getApplication() {
+        return application;
+    }
+
+    public void setApplication(String application) {
+        this.application = application;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = super.hashCode();
+        result = prime * result + ((application == null) ? 0 : application.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (!(obj instanceof JAXRSImplementationImpl)) {
+            return false;
+        }
+        JAXRSImplementationImpl other = (JAXRSImplementationImpl)obj;
+        if (application == null) {
+            if (other.application != null) {
+                return false;
+            }
+        } else if (!application.equals(other.application)) {
+            return false;
+        }
+        return true;
+    }
+
+    public Class<?> getApplicationClass() {
+        return applicationClass;
+    }
+
+    public void setApplicationClass(Class<?> applicationClass) {
+        this.applicationClass = applicationClass;
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/xml/JAXRSImplementationProcessor.java b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/xml/JAXRSImplementationProcessor.java
new file mode 100644
index 0000000000..037d8f385a
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-jaxrs/src/main/java/org/apache/tuscany/sca/implementation/jaxrs/xml/JAXRSImplementationProcessor.java
@@ -0,0 +1,107 @@
+/*
+ * 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.implementation.jaxrs.xml;
+
+import static javax.xml.stream.XMLStreamConstants.END_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.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.ClassReference;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.implementation.jaxrs.JAXRSImplementation;
+import org.apache.tuscany.sca.implementation.jaxrs.JAXRSImplementationFactory;
+
+/**
+ * Implements a StAX artifact processor for Web implementations.
+ */
+public class JAXRSImplementationProcessor extends BaseStAXArtifactProcessor implements
+    StAXArtifactProcessor<JAXRSImplementation> {
+    private static final QName IMPLEMENTATION_JAXRS = JAXRSImplementation.TYPE;
+
+    private JAXRSImplementationFactory implementationFactory;
+
+    public JAXRSImplementationProcessor(ExtensionPointRegistry extensionPoints) {
+        FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
+        this.implementationFactory = modelFactories.getFactory(JAXRSImplementationFactory.class);
+    }
+
+    public QName getArtifactType() {
+        // Returns the QName of the XML element processed by this processor
+        return IMPLEMENTATION_JAXRS;
+    }
+
+    public Class<JAXRSImplementation> getModelType() {
+        // Returns the type of model processed by this processor
+        return JAXRSImplementation.class;
+    }
+
+    public JAXRSImplementation read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException,
+        XMLStreamException {
+
+        // Read an <implementation.web> element
+        JAXRSImplementation implementation = implementationFactory.createJAXRSImplementation();
+        implementation.setUnresolved(true);
+
+        String application = reader.getAttributeValue(null, "application");
+        if (application != null) {
+            implementation.setApplication(application);
+        }
+
+        // Skip to end element
+        while (reader.hasNext()) {
+            if (reader.next() == END_ELEMENT && IMPLEMENTATION_JAXRS.equals(reader.getName())) {
+                break;
+            }
+        }
+
+        return implementation;
+    }
+
+    public void resolve(JAXRSImplementation implementation, ModelResolver resolver, ProcessorContext context)
+        throws ContributionResolveException {
+
+        ClassReference classReference = new ClassReference(implementation.getApplication());
+        classReference = resolver.resolveModel(ClassReference.class, classReference, context);
+        implementation.setApplicationClass(classReference.getJavaClass());
+        implementation.setUnresolved(false);
+    }
+
+    public void write(JAXRSImplementation implementation, XMLStreamWriter writer, ProcessorContext context)
+        throws ContributionWriteException, XMLStreamException {
+
+        // Write <implementation.jaxrs>
+        writeStart(writer,
+                   IMPLEMENTATION_JAXRS.getNamespaceURI(),
+                   IMPLEMENTATION_JAXRS.getLocalPart(),
+                   new XAttr("application", implementation.getApplication()));
+
+        writeEnd(writer);
+    }
+}