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/*
* 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.stripes;
import net.sourceforge.stripes.config.ConfigurableComponent;
import net.sourceforge.stripes.config.Configuration;
import net.sourceforge.stripes.controller.Interceptor;
import javax.servlet.ServletContext;
/**
* <p>Base class for developing Interceptors with dependencies on SCA component references. <b>Not</b>
* to be confused with {@link TuscanyInterceptor} which injects SCA reference proxies into
* ActionBeans. For example, you may wish to subclass this class in order to write an
* interceptor with access to Tuscany ???.</p>
*
* TODO: does Tuscany really need this?
*
* <p>Since Interceptors are long-lived objects that are instantiated at application startup
* time, and not per-request, the Tuscany wiring takes place in the init() method and happens
* only once when the interceptor is first created and initialized.</p>
*
* Created for Tuscany from the Stripes SpringInterceptorSupport written by Tim Fennell
*/
public abstract class TuscanyInterceptorSupport implements Interceptor, ConfigurableComponent {
/**
* Fetches the ServletContext and invokes TuscanyHelper.injectBeans() to auto-wire any
* Tuscany dependencies prior to being placed into service.
*
* @param configuration the Stripes Configuration
* @throws Exception if there are problems with the Tuscany configuration/wiring
*/
public void init(Configuration configuration) throws Exception {
ServletContext ctx = configuration.getBootstrapPropertyResolver()
.getFilterConfig().getServletContext();
TuscanyHelper.injectBeans(this, ctx);
}
}
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