1 package org.apache.maven.shared.mapping; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import java.util.Properties; 23 24 import org.codehaus.plexus.interpolation.PropertiesBasedValueSource; 25 26 /** 27 * This is a ValueSource, that can be used in an Interpolator. It supports 28 * special expressions, like <code>dashClassifier</code> and 29 * <code>dashClassifier?</code>. 30 * 31 * @version $Id: DashClassifierValueSource.java 1512265 2013-08-09 11:38:38Z dennisl $ 32 */ 33 public class DashClassifierValueSource 34 extends PropertiesBasedValueSource 35 { 36 /** 37 * Create the ValueSource. 38 * 39 * @param classifier The classifier that should be used during interpolation 40 */ 41 public DashClassifierValueSource( String classifier ) 42 { 43 super( createDashClassifierProperties( classifier ) ); 44 } 45 46 private static Properties createDashClassifierProperties( String classifier ) 47 { 48 Properties classifierMask = new Properties(); 49 50 if ( classifier != null ) 51 { 52 classifierMask.setProperty( "dashClassifier?", "-" + classifier ); 53 classifierMask.setProperty( "dashClassifier", "-" + classifier ); 54 } 55 else 56 { 57 classifierMask.setProperty( "dashClassifier?", "" ); 58 classifierMask.setProperty( "dashClassifier", "" ); 59 // Make sure that the classifier property is usable, if it is null 60 classifierMask.setProperty( "classifier", "" ); 61 } 62 return classifierMask; 63 } 64 }