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Diffstat (limited to '')
-rw-r--r-- | sandbox/event/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ComponentNameProcessor.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sandbox/event/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ComponentNameProcessor.java b/sandbox/event/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ComponentNameProcessor.java new file mode 100644 index 0000000000..556f0b77e9 --- /dev/null +++ b/sandbox/event/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ComponentNameProcessor.java @@ -0,0 +1,80 @@ +/* + * 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.Field; +import java.lang.reflect.Method; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.implementation.java.IntrospectionException; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.implementation.java.impl.JavaElementImpl; +import org.apache.tuscany.sca.implementation.java.impl.JavaResourceImpl; +import org.osoa.sca.annotations.ComponentName; + +/** + * Processes {@link @ComponentName} annotations on a component implementation and adds + * a {@link JavaMappedProperty} to the component type which will be used to + * inject the appropriate component name. + * + * @version $Rev$ $Date$ + */ +public class ComponentNameProcessor extends BaseJavaClassVisitor { + + public ComponentNameProcessor(AssemblyFactory factory) { + super(factory); + } + + @Override + public void visitMethod(Method method, JavaImplementation type) throws IntrospectionException { + if (method.getAnnotation(ComponentName.class) == null) { + return; + } + if (method.getParameterTypes().length != 1) { + throw new IllegalContextException("ComponentName setter must have one parameter", method); + } + Class<?> paramType = method.getParameterTypes()[0]; + String name = JavaIntrospectionHelper.toPropertyName(method.getName()); + if (String.class.equals(paramType)) { + JavaElementImpl element = new JavaElementImpl(method, 0); + element.setName(name); + element.setClassifer(org.apache.tuscany.sca.implementation.java.introspect.impl.Resource.class); + JavaResourceImpl resource = new JavaResourceImpl(element); + type.getResources().put(resource.getName(), resource); + } else { + throw new IllegalContextException(paramType.getName()); + } + } + + @Override + public void visitField(Field field, JavaImplementation type) throws IntrospectionException { + if (field.getAnnotation(ComponentName.class) == null) { + return; + } + Class<?> paramType = field.getType(); + if (String.class.equals(paramType)) { + JavaElementImpl element = new JavaElementImpl(field); + element.setClassifer(Resource.class); + JavaResourceImpl resource = new JavaResourceImpl(element); + type.getResources().put(resource.getName(), resource); + } else { + throw new IllegalContextException(paramType.getName()); + } + } +} |