/*
* 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.lenya.cms.linking;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.lenya.cms.cocoon.components.context.ContextUtility;
/**
* Abstract base class for servlet-oriented link rewriters.
*/
public abstract class ServletLinkRewriter implements LinkRewriter {
protected ServiceManager manager;
/**
* @param manager The service manager.
*/
public ServletLinkRewriter(ServiceManager manager) {
this.manager = manager;
}
private String contextPath;
protected String getContextPath() {
if (this.contextPath == null) {
ContextUtility context = null;
try {
context = (ContextUtility) this.manager.lookup(ContextUtility.ROLE);
this.contextPath = context.getRequest().getContextPath();
} catch (ServiceException e) {
throw new RuntimeException(e);
}
finally {
if (context != null) {
this.manager.release(context);
}
}
}
return this.contextPath;
}
}