/*
* 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.tomcat;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.naming.NamingException;
import javax.servlet.ServletContext;
import org.apache.AnnotationProcessor;
import org.apache.catalina.util.DefaultAnnotationProcessor;
public class TuscanyAnnotationsProcessor implements AnnotationProcessor {
private TuscanyStandardContext tuscanyStandardContext;
private AnnotationProcessor tomcatAnnotationProcessor;
private Method tuscanyInjectMethod;
public TuscanyAnnotationsProcessor(TuscanyStandardContext tuscanyStandardContext, javax.naming.Context context) {
this.tuscanyStandardContext = tuscanyStandardContext;
this.tomcatAnnotationProcessor = new DefaultAnnotationProcessor(context);
initInjectMethod(tuscanyStandardContext);
}
private void initInjectMethod(TuscanyStandardContext tuscanyStandardContext) {
// this needs to use reflection as the tuscany-hook module can't have any
// dependencies on the tuscany runtime modules as they're not
// in the server classpath
// TODO: is there a nicer way ?
ClassLoader cl = tuscanyStandardContext.getParentClassLoader();
try {
Class<?> c = Class.forName("org.apache.tuscany.sca.implementation.web.runtime.utils.ContextHelper", true, cl);
if (c != null) {
this.tuscanyInjectMethod = c.getMethod("inject", new Class[]{Object.class, ServletContext.class});
}
} catch (Exception e){
// ignore
}
}
public void postConstruct(Object instance) throws IllegalAccessException, InvocationTargetException {
tomcatAnnotationProcessor.postConstruct(instance);
}
public void preDestroy(Object instance) throws IllegalAccessException, InvocationTargetException {
tomcatAnnotationProcessor.preDestroy(instance);
}
public void processAnnotations(Object instance) throws IllegalAccessException, InvocationTargetException, NamingException {
if (tuscanyInjectMethod != null) {
ServletContext sc = tuscanyStandardContext.getServletContext();
if (sc != null) {
Object rc = sc.getAttribute("org.apache.tuscany.sca.implementation.web.RuntimeComponent");
if (rc != null) {
try {
tuscanyInjectMethod.invoke(null, instance, sc);
} catch (Exception e) {
throw new InvocationTargetException(e);
}
}
}
}
tomcatAnnotationProcessor.processAnnotations(instance);
}
}