Initial support for introspecting JAX-RS annotations during interface contract introspection

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@938681 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 124 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/interface-java-jaxrs/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxrs/JAXRSJavaInterfaceProcessor.java b/sca-java-2.x/trunk/modules/interface-java-jaxrs/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxrs/JAXRSJavaInterfaceProcessor.java
new file mode 100644
index 0000000000..563be43a6b
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/interface-java-jaxrs/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxrs/JAXRSJavaInterfaceProcessor.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.interfacedef.java.jaxrs;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor;
+
+public class JAXRSJavaInterfaceProcessor implements JavaInterfaceVisitor {
+
+    public void visitInterface(JavaInterface contract) throws InvalidInterfaceException {
+        
+        final Class<?> clazz = contract.getJavaClass();
+
+        List<Operation> getOperations = new ArrayList<Operation>();
+        List<Operation> putOperations = new ArrayList<Operation>();
+        List<Operation> postOperations = new ArrayList<Operation>();
+        List<Operation> deleteOperations = new ArrayList<Operation>();
+        
+        boolean hasJAXRSAnnotarions = false;
+        
+        for (Iterator<Operation> it = contract.getOperations().iterator(); it.hasNext();) {
+            final JavaOperation operation = (JavaOperation)it.next();
+            final Method method = operation.getJavaMethod();
+         
+            GET get = method.getAnnotation(GET.class);
+            if(get != null) {
+                hasJAXRSAnnotarions = true;
+                operation.getAttributes().put(GET.class.getClass(), true);
+                getOperations.add(operation);
+            }
+            
+            if(! getOperations.isEmpty()) {
+                contract.getAttributes().put(GET.class.getClass(), getOperations);
+            }
+            
+            PUT put = method.getAnnotation(PUT.class);
+            if(put != null) {
+                hasJAXRSAnnotarions = true;
+                operation.getAttributes().put(PUT.class.getClass(), true);
+                putOperations.add(operation);
+            }
+
+            if(! putOperations.isEmpty()) {
+                contract.getAttributes().put(PUT.class.getClass(), putOperations);
+            }
+
+            
+            POST post = method.getAnnotation(POST.class);
+            if(post != null) {
+                hasJAXRSAnnotarions = true;
+                operation.getAttributes().put(POST.class.getClass(), true);
+                postOperations.add(operation);
+            }
+            
+            if(! postOperations.isEmpty()) {
+                contract.getAttributes().put(POST.class.getClass(), postOperations);
+            }
+
+            DELETE delete = method.getAnnotation(DELETE.class);
+            if(delete != null) {
+                hasJAXRSAnnotarions = true;
+                operation.getAttributes().put(DELETE.class.getClass(), true);
+                deleteOperations.add(operation);
+            }
+
+            if(! deleteOperations.isEmpty()) {
+                contract.getAttributes().put(GET.class.getClass(), deleteOperations);
+            }
+            
+        }
+        
+        // Always set JAX-RS annotated interfaces as remotables
+        if (hasJAXRSAnnotarions) {
+            contract.setRemotable(true);
+        }
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/interface-java-jaxrs/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor b/sca-java-2.x/trunk/modules/interface-java-jaxrs/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor
new file mode 100644
index 0000000000..9101d744b3
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/interface-java-jaxrs/src/main/resources/META-INF/services/org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor
@@ -0,0 +1,17 @@
+# 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. 
+org.apache.tuscany.sca.interfacedef.java.jaxrs.JAXRSJavaInterfaceProcessor;ranking=100