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 special expressions, like 28 * <code>dashClassifier</code> and <code>dashClassifier?</code>. 29 * 30 * @version $Id: DashClassifierValueSource.java 1714312 2015-11-14 12:48:14Z khmarbaise $ 31 */ 32 public class DashClassifierValueSource 33 extends PropertiesBasedValueSource 34 { 35 /** 36 * Create the ValueSource. 37 * 38 * @param classifier The classifier that should be used during interpolation 39 */ 40 public DashClassifierValueSource( String classifier ) 41 { 42 super( createDashClassifierProperties( classifier ) ); 43 } 44 45 private static Properties createDashClassifierProperties( String classifier ) 46 { 47 Properties classifierMask = new Properties(); 48 49 if ( classifier != null ) 50 { 51 classifierMask.setProperty( "dashClassifier?", "-" + classifier ); 52 classifierMask.setProperty( "dashClassifier", "-" + classifier ); 53 } 54 else 55 { 56 classifierMask.setProperty( "dashClassifier?", "" ); 57 classifierMask.setProperty( "dashClassifier", "" ); 58 // Make sure that the classifier property is usable, if it is null 59 classifierMask.setProperty( "classifier", "" ); 60 } 61 return classifierMask; 62 } 63 }