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/* Copyright 2012 Harald Wellmann
*
* Licensed 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.ops4j.pax.web.service.spi;
import java.util.HashMap;
import java.util.Map;
/**
* Maps context paths to servlet contexts. Mainly used to store contexts after
* creation and before being started.
*
* TODO Improve this design, this singleton is not nice. Turn it into a service,
* merge with WarManager, or find a completely different solution.
*
* @author Harald Wellmann
*/
public class ServletContextManager {
/**
* Maps context paths (starting with a "/") to servlet contexts.
*/
protected static Map contextMap = new HashMap<>();
/**
* Prevent instantiation.
*/
private ServletContextManager() {
// empty
}
public static synchronized void startContext(String contextPath) {
contextMap.get(contextPath).start();
}
public static synchronized void stopContext(String contextPath) {
contextMap.get(contextPath).stop();
}
public static synchronized void addContext(String contextPath,
ServletContextWrapper wrapper) {
contextMap.put(contextPath, wrapper);
}
public static synchronized void removeContext(String contextPath) {
contextMap.remove(contextPath);
}
/**
* Wraps a servlet context. Implementations of this class shall wrap a
* container specific delegate.
*
* @author Harald Wellmann
*/
public interface ServletContextWrapper {
/**
* Starts the wrapped context.
*/
void start();
/**
* Stops the wrapped context.
*/
void stop();
}
}