| /* |
| * 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.cocoon.portal.util; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.avalon.framework.service.ServiceManager; |
| import org.apache.cocoon.ProcessingException; |
| import org.apache.cocoon.components.variables.VariableResolver; |
| import org.apache.cocoon.components.variables.VariableResolverFactory; |
| import org.apache.cocoon.sitemap.PatternException; |
| |
| /** |
| * @version $Id$ |
| */ |
| public class InputModuleHelper { |
| |
| /** Service manager. */ |
| protected final ServiceManager manager; |
| |
| protected final VariableResolverFactory variableFactory; |
| |
| protected final Map processedPatterns = new HashMap(); |
| |
| public InputModuleHelper(ServiceManager serviceManager) |
| throws ServiceException { |
| this.manager = serviceManager; |
| this.variableFactory = (VariableResolverFactory) this.manager.lookup(VariableResolverFactory.ROLE); |
| } |
| |
| public void dispose() { |
| final Iterator i = this.processedPatterns.values().iterator(); |
| while ( i.hasNext() ) { |
| final VariableResolver resolver = (VariableResolver)i.next(); |
| this.variableFactory.release(resolver); |
| } |
| this.processedPatterns.clear(); |
| this.manager.release(this.variableFactory); |
| } |
| |
| public String resolve(String value) throws ProcessingException { |
| VariableResolver resolver = null; |
| try { |
| resolver = this.variableFactory.lookup( value ); |
| return resolver.resolve(); |
| } catch (PatternException e) { |
| throw new ProcessingException("Error parsing pattern: " + value, e); |
| } finally { |
| this.variableFactory.release(resolver); |
| } |
| } |
| |
| public VariableResolver getVariableResolver(String value) throws ProcessingException { |
| VariableResolver resolver = (VariableResolver)this.processedPatterns.get(value); |
| if ( resolver == null ) { |
| try { |
| resolver = this.variableFactory.lookup( value ); |
| this.processedPatterns.put(value, resolver); |
| } catch (PatternException e) { |
| throw new ProcessingException("Error parsing pattern: " + value, e); |
| } |
| } |
| return resolver; |
| } |
| } |