| /* $Id$ |
| * |
| * 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.etch.util.cmd; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Handle translation of various types of boolean values. |
| */ |
| public class BooleanConverter |
| { |
| /** |
| * @param value |
| * @return result of translation of boolean value. |
| */ |
| public static Boolean valueOf( String value ) |
| { |
| Boolean v = values.get( value.toLowerCase() ); |
| if (v == null) |
| throw new IllegalArgumentException( "bad boolean value: "+value ); |
| return v; |
| } |
| |
| /** |
| * Defines static key pairs to use for true/false item conversions. |
| * @param trueKey |
| * @param falseKey |
| */ |
| public static void define( String trueKey, String falseKey ) |
| { |
| if (trueKey != null) |
| values.put( trueKey.toLowerCase(), Boolean.TRUE ); |
| |
| if (falseKey != null) |
| values.put( falseKey.toLowerCase(), Boolean.FALSE ); |
| } |
| |
| private final static Map<String,Boolean> values = new HashMap<String,Boolean>(); |
| static |
| { |
| define( "true", "false" ); |
| define( "yes", "no" ); |
| define( "1", "0" ); |
| define( "enable", "disable" ); |
| } |
| } |