1 package org.codehaus.modello.metadata; 2 3 /* 4 * Copyright (c) 2004, Codehaus.org 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy of 7 * this software and associated documentation files (the "Software"), to deal in 8 * the Software without restriction, including without limitation the rights to 9 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 10 * of the Software, and to permit persons to whom the Software is furnished to do 11 * so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 25 import java.util.Map; 26 27 import org.codehaus.plexus.util.StringUtils; 28 import org.slf4j.Logger; 29 import org.slf4j.LoggerFactory; 30 31 /** 32 * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a> 33 */ 34 public abstract class AbstractMetadataPlugin implements MetadataPlugin { 35 private final Logger logger = LoggerFactory.getLogger(getClass()); 36 37 protected Logger getLogger() { 38 return logger; 39 } 40 41 protected boolean getBoolean(Map<String, String> data, String key, boolean defaultValue) { 42 String value = data.get(key); 43 44 if (StringUtils.isEmpty(value)) { 45 return defaultValue; 46 } 47 48 return Boolean.valueOf(value).booleanValue(); 49 } 50 51 protected String getString(Map<String, String> data, String key) { 52 String value = data.get(key); 53 54 return StringUtils.isEmpty(value) ? null : value; 55 } 56 }