1 /* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the Free 9 * Software Foundation; either version 2 of the License, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, write to the Free Software Foundation, Inc., 19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 package proguard.ant; 22 23 import org.apache.tools.ant.types.DataType; 24 import proguard.classfile.util.ClassUtil; 25 import proguard.util.ListUtil; 26 27 import java.util.List; 28 29 /** 30 * This DataType represents a name filter in Ant. 31 * 32 * @author Eric Lafortune 33 */ 34 public class FilterElement extends DataType 35 { 36 private String filter; 37 38 39 /** 40 * Adds the contents of this element to the given name filter. 41 * @param filter the list of attributes to be extended. 42 * @param internal specifies whether the filter string should be converted 43 * to internal types. 44 */ appendTo(List filter, boolean internal)45 public void appendTo(List filter, boolean internal) 46 { 47 // Get the referenced element, or else this one. 48 FilterElement filterElement = isReference() ? 49 (FilterElement)getCheckedRef(this.getClass(), 50 this.getClass().getName()) : 51 this; 52 53 String filterString = filterElement.filter; 54 55 if (filterString == null) 56 { 57 // Clear the filter to keep all names. 58 filter.clear(); 59 } 60 else 61 { 62 if (internal) 63 { 64 filterString = ClassUtil.internalClassName(filterString); 65 } 66 67 // Append the filter. 68 filter.addAll(ListUtil.commaSeparatedList(filterString)); 69 } 70 } 71 72 73 // Ant task attributes. 74 setName(String name)75 public void setName(String name) 76 { 77 this.filter = name; 78 } 79 80 setFilter(String filter)81 public void setFilter(String filter) 82 { 83 this.filter = filter; 84 } 85 } 86