| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * 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.apache.cocoon.acting; |
| |
| import org.apache.avalon.framework.parameters.Parameters; |
| import org.apache.avalon.framework.thread.ThreadSafe; |
| import org.apache.cocoon.caching.Cache; |
| import org.apache.cocoon.environment.Redirector; |
| import org.apache.cocoon.environment.SourceResolver; |
| |
| import java.util.Map; |
| |
| /** |
| * Simple action which ensures the cache is cleared of all |
| * cached results |
| * |
| * @version $Id$ |
| */ |
| public class ClearCacheAction extends ServiceableAction implements ThreadSafe { |
| |
| public Map act(Redirector redirector, |
| SourceResolver resolver, |
| Map objectModel, |
| String src, |
| Parameters par |
| ) throws Exception { |
| final String cacheRole = par.getParameter("cache-role", Cache.ROLE); |
| Cache cache = null; |
| |
| try { |
| cache = (Cache)this.manager.lookup(cacheRole); |
| cache.clear(); |
| return EMPTY_MAP; |
| } catch (Exception ex) { |
| if (this.getLogger().isDebugEnabled()) { |
| getLogger().debug("Exception while trying to clear Cache with role " + cacheRole, ex); |
| } |
| return null; |
| } finally { |
| this.manager.release( cache ); |
| } |
| } |
| } |