001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.juneau;
018
019import java.io.*;
020
021import org.apache.juneau.commons.svl.*;
022
023/**
024 * Dummy variable for resolving <code>$X{...}</code> variables.
025 */
026public class XVar extends Var {
027
028   /**
029    * Constructor.
030    */
031   public XVar() {
032      super("X", false);
033   }
034
035   @Override
036   public String resolve(VarResolverSession session, String arg) throws Exception {
037      return arg;
038   }
039
040   @Override
041   public void resolveTo(VarResolverSession session, Writer w, String arg) throws Exception {
042      w.append(arg);
043   }
044}