/*
* $Id: DefaultActionSupport.java 651946 2008-04-27 13:41:38Z apetrelli $
*
* 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.struts2.dispatcher.ng;
import com.opensymphony.xwork2.util.logging.LoggerFactory;
import com.opensymphony.xwork2.ActionContext;
import org.apache.struts2.dispatcher.Dispatcher;
import org.apache.struts2.dispatcher.StaticContentLoader;
import org.apache.struts2.util.ClassLoaderUtils;
import java.util.HashMap;
import java.util.Map;
import java.util.Iterator;
/**
* Contains initialization operations
*/
public class InitOperations {
public InitOperations() {
}
/**
* Initializes the internal Struts logging
*/
public void initLogging(HostConfig filterConfig) {
String factoryName = filterConfig.getInitParameter("loggerFactory");
if (factoryName != null) {
try {
Class cls = ClassLoaderUtils.loadClass(factoryName, this.getClass());
LoggerFactory fac = (LoggerFactory) cls.newInstance();
LoggerFactory.setLoggerFactory(fac);
} catch (InstantiationException e) {
System.err.println("Unable to instantiate logger factory: " + factoryName + ", using default");
e.printStackTrace();
} catch (IllegalAccessException e) {
System.err.println("Unable to access logger factory: " + factoryName + ", using default");
e.printStackTrace();
} catch (ClassNotFoundException e) {
System.err.println("Unable to locate logger factory class: " + factoryName + ", using default");
e.printStackTrace();
}
}
}
/**
* Creates and initializes the dispatcher
*/
public Dispatcher initDispatcher(HostConfig filterConfig) {
Dispatcher dispatcher = createDispatcher(filterConfig);
dispatcher.init();
return dispatcher;
}
/**
* Initializes the static content loader with the filter configuration
*/
public StaticContentLoader initStaticContentLoader(HostConfig filterConfig, Dispatcher dispatcher) {
StaticContentLoader loader = dispatcher.getContainer().getInstance(StaticContentLoader.class);
loader.setHostConfig(filterConfig);
return loader;
}
/**
* @return The dispatcher on the thread.
* @throws IllegalStateException If there is no dispatcher available
*/
public Dispatcher findDispatcherOnThread() {
Dispatcher dispatcher = Dispatcher.getInstance();
if (dispatcher == null) {
throw new IllegalStateException("Must have the StrutsPrepareFilter execute before this one");
}
return dispatcher;
}
/**
* Create a {@link Dispatcher}
*/
private Dispatcher createDispatcher(HostConfig filterConfig) {
Map<String, String> params = new HashMap<String, String>();
for (Iterator e = filterConfig.getInitParameterNames(); e.hasNext();) {
String name = (String) e.next();
String value = filterConfig.getInitParameter(name);
params.put(name, value);
}
return new Dispatcher(filterConfig.getServletContext(), params);
}
public void cleanup() {
ActionContext.setContext(null);
}
}