001// *************************************************************************************************************************** 002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * 003// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * 004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * 005// * with the License. You may obtain a copy of the License at * 006// * * 007// * http://www.apache.org/licenses/LICENSE-2.0 * 008// * * 009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an * 010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * 011// * specific language governing permissions and limitations under the License. * 012// *************************************************************************************************************************** 013package org.apache.juneau.svl.vars; 014 015import org.apache.juneau.svl.*; 016 017/** 018 * Upper-case variable resolver. 019 * 020 * <p> 021 * The format for this var is <js>"$UC{stringValue}"</js>. 022 * 023 * <p> 024 * This variable simply converts to value to upper-case. 025 * 026 * <p> 027 * Since this is a {@link SimpleVar}, any variables contained in the result will be recursively resolved. 028 * Likewise, if the arguments contain any variables, those will be resolved before they are passed to this var. 029 * 030 * <h5 class='section'>See Also:</h5><ul> 031 * <li class='link'><a class="doclink" href="../../../../../index.html#jm.SimpleVariableLanguage">Simple Variable Language</a> 032 * </ul> 033 */ 034public class UpperCaseVar extends SimpleVar { 035 036 /** The name of this variable. */ 037 public static final String NAME = "UC"; 038 039 /** 040 * Constructor. 041 */ 042 public UpperCaseVar() { 043 super(NAME); 044 } 045 046 @Override /* Parameter */ 047 public String resolve(VarResolverSession session, String key) { 048 return key.toUpperCase(); 049 } 050}