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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/InitProcessor.java | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/InitProcessor.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/InitProcessor.java new file mode 100644 index 0000000000..a5227fc4f5 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/InitProcessor.java @@ -0,0 +1,67 @@ +/* + * 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.java.introspect.impl; + +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.implementation.java.IntrospectionException; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.implementation.java.introspect.BaseJavaClassVisitor; +import org.oasisopen.sca.annotation.Init; + +/** + * Processes the {@link @Init} annotation on a component implementation and + * updates the component type with the decorated initializer method + * + * @version $Rev$ $Date$ + */ +public class InitProcessor extends BaseJavaClassVisitor { + + public InitProcessor(AssemblyFactory factory) { + super(factory); + } + + public InitProcessor(ExtensionPointRegistry registry) { + super(registry); + } + + @Override + public void visitMethod(Method method, JavaImplementation type) throws IntrospectionException { + Init annotation = method.getAnnotation(Init.class); + if (annotation == null) { + return; + } + if (method.getParameterTypes().length != 0) { + throw new IllegalInitException("[JCA90008] Initializer must not have argments", method); + } + if(!method.getReturnType().equals(void.class)) { + throw new IllegalInitException("Initializer must return void.", method); + } + if (type.getInitMethod() != null) { + throw new DuplicateInitException("More than one initializer found on implementaton"); + } + if (!Modifier.isPublic(method.getModifiers())) { + throw new IllegalInitException("Initializer must be a public method. Invalid annotation @Init found on "+method); + } + type.setInitMethod(method); + } +} |