| /* |
| * 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.components.treeprocessor.variables; |
| |
| import org.apache.cocoon.components.treeprocessor.InvokeContext; |
| |
| import java.util.Map; |
| |
| /** |
| * No-op implementation of {@link VariableResolver} for constant expressions |
| * |
| * @version CVS $Id: NOPVariableResolver.java,v 1.3 2004/03/05 13:02:53 bdelacretaz Exp $ |
| */ |
| public class NOPVariableResolver extends VariableResolver { |
| |
| private String expression = null; |
| |
| public NOPVariableResolver(String expression) { |
| super(expression); |
| if (expression != null) { |
| this.expression = VariableResolverFactory.unescape(expression); |
| } |
| } |
| |
| public final String resolve(InvokeContext context, Map objectModel) { |
| return this.expression; |
| } |
| |
| public final void release() { |
| // Nothing to do |
| } |
| } |