/*
* 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.environment.Redirector;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.excalibur.store.Store;
import java.util.Map;
/**
* Simple action which ensures the persistent store is cleared.
*
* @author <a href="mailto:g-froehlich@gmx.de">Gerhard Froehlich</a>
* @version CVS $Id: ClearPersistentStoreAction.java,v 1.5 2004/05/19 11:32:02 cziegeler Exp $
*/
public class ClearPersistentStoreAction extends ServiceableAction implements ThreadSafe {
public Map act(Redirector redirector,
SourceResolver resolver,
Map objectModel,
String src,
Parameters par
) throws Exception {
if ( this.manager.hasService( Store.PERSISTENT_STORE) ) {
final Store store_persistent = (Store)this.manager.lookup(Store.ROLE);
try {
store_persistent.clear();
return EMPTY_MAP;
} catch (Exception ex) {
getLogger().debug("Exception while trying to Clearing the Store", ex);
return null;
} finally {
this.manager.release( store_persistent );
}
} else {
getLogger().info("Unable to clear persistent store as no persistent store is configured.");
return null;
}
}
}