| /* |
| * 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; |
| } |
| |
| } |