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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2013-09-26 20:33:20 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2013-09-26 20:33:20 +0000 |
commit | e5b7380c874745c989d1816b8f552504f038e1bc (patch) | |
tree | 3084133139737c821ce5384bd27fc2258e795826 /sca-java-2.x/branches/2.0/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ContextProcessor.java | |
parent | 33b786453598495cde754c80f5a9397de68ff60e (diff) |
2.0 branch for possible maintenance release
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/branches/2.0/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ContextProcessor.java')
-rw-r--r-- | sca-java-2.x/branches/2.0/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ContextProcessor.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ContextProcessor.java b/sca-java-2.x/branches/2.0/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ContextProcessor.java new file mode 100644 index 0000000000..bf57fbc9fe --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ContextProcessor.java @@ -0,0 +1,89 @@ +/* + * 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.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.implementation.java.IntrospectionException; +import org.apache.tuscany.sca.implementation.java.JavaElementImpl; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.implementation.java.JavaResourceImpl; +import org.apache.tuscany.sca.implementation.java.introspect.BaseJavaClassVisitor; +import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper; +import org.oasisopen.sca.ComponentContext; +import org.oasisopen.sca.RequestContext; +import org.oasisopen.sca.annotation.Context; + +/** + * Processes {@link @Context} annotations on a component implementation and adds + * a {@link JavaMappedProperty} to the component type which will be used to + * inject the appropriate context + * + * @version $Rev$ $Date$ + */ +public class ContextProcessor extends BaseJavaClassVisitor { + + public ContextProcessor(AssemblyFactory factory) { + super(factory); + } + + public ContextProcessor(ExtensionPointRegistry registry) { + super(registry); + } + + @Override + public void visitMethod(Method method, JavaImplementation type) throws IntrospectionException { + if (method.getAnnotation(Context.class) == null) { + return; + } + if (method.getParameterTypes().length != 1) { + throw new IllegalContextException("Context setter must have one parameter", method); + } + Class<?> paramType = method.getParameterTypes()[0]; + String name = JavaIntrospectionHelper.toPropertyName(method.getName()); + if (ComponentContext.class.isAssignableFrom(paramType) || RequestContext.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 UnknownContextTypeException(paramType.getName()); + } + } + + @Override + public void visitField(Field field, JavaImplementation type) throws IntrospectionException { + if (field.getAnnotation(Context.class) == null) { + return; + } + Class<?> paramType = field.getType(); + if (ComponentContext.class.isAssignableFrom(paramType) || RequestContext.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 UnknownContextTypeException(paramType.getName()); + } + } +} |