| /* |
| * 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.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 $Id$ |
| */ |
| 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 |
| } |
| } |