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 --- .../java/jaxrs/JAXRSJavaInterfaceProcessor.java | 116 +++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/interface-java-jaxrs/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxrs/JAXRSJavaInterfaceProcessor.java (limited to 'sca-java-2.x/branches/2.0/modules/interface-java-jaxrs/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxrs/JAXRSJavaInterfaceProcessor.java') diff --git a/sca-java-2.x/branches/2.0/modules/interface-java-jaxrs/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxrs/JAXRSJavaInterfaceProcessor.java b/sca-java-2.x/branches/2.0/modules/interface-java-jaxrs/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxrs/JAXRSJavaInterfaceProcessor.java new file mode 100644 index 0000000000..83f88c98cb --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/interface-java-jaxrs/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxrs/JAXRSJavaInterfaceProcessor.java @@ -0,0 +1,116 @@ +/* + * 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.annotation.Annotation; +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import javax.ws.rs.DELETE; +import javax.ws.rs.GET; +import javax.ws.rs.HEAD; +import javax.ws.rs.HttpMethod; +import javax.ws.rs.OPTIONS; +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 { + private static Map> mapping = new HashMap>(); + static { + mapping.put(HttpMethod.GET, GET.class); + mapping.put(HttpMethod.POST, POST.class); + mapping.put(HttpMethod.PUT, PUT.class); + mapping.put(HttpMethod.DELETE, DELETE.class); + mapping.put(HttpMethod.HEAD, HEAD.class); + mapping.put(HttpMethod.OPTIONS, OPTIONS.class); + } + + private boolean introspectHTTPMethod(JavaOperation operation) { + Method method = operation.getJavaMethod(); + + String methodName = null; + + /** + * A request method designator is a runtime annotation that is annotated with the @HttpMethod annotation. + * JAX-RS defines a set of request method designators for the common HTTP methods: @GET, @POST, @PUT, + * @DELETE, @HEAD. Users may define their own custom request method designators including alternate + * designators for the common HTTP methods. + */ + for (Annotation a : method.getAnnotations()) { + Class annotationType = a.annotationType(); + if (annotationType == HttpMethod.class) { + methodName = ((HttpMethod)a).value(); + break; + } + // Http method related annotations such as @GET, @POST will have itself annotated with + // @HttpMethod + HttpMethod m = a.annotationType().getAnnotation(HttpMethod.class); + if (m != null) { + methodName = m.value(); + break; + } + } + + boolean jaxrs = false; + Class type = mapping.get(methodName); + if (type != null) { + jaxrs = true; + operation.getAttributes().put(type, Boolean.TRUE); + Map attrs = operation.getInterface().getAttributes(); + List operations = (List)attrs.get(type); + if (operations == null) { + operations = new ArrayList(); + attrs.put(type, operations); + operations.add(operation); + } else { + operations.add(operation); + } + } + + return jaxrs; + + } + + public void visitInterface(JavaInterface contract) throws InvalidInterfaceException { + + boolean hasJAXRSAnnotarions = false; + + for (Operation op : contract.getOperations()) { + final JavaOperation operation = (JavaOperation)op; + if (introspectHTTPMethod(operation)) { + hasJAXRSAnnotarions = true; + } + } + + // Always set JAX-RS annotated interfaces as remotables + if (hasJAXRSAnnotarions) { + contract.setRemotable(true); + } + } +} -- cgit v1.2.3