Frames | No Frames |
1: /* ClassMatchFilter.java -- filter on class name (inclusive) 2: Copyright (C) 2005 Free Software Foundation 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: terms of your choice, provided that you also meet, for each linked 32: independent module, the terms and conditions of the license of that 33: module. An independent module is a module which is not derived from 34: or based on this library. If you modify this library, you may extend 35: this exception to your version of the library, but you are not 36: obligated to do so. If you do not wish to do so, delete this 37: exception statement from your version. */ 38: 39: 40: package gnu.classpath.jdwp.event.filters; 41: 42: import gnu.classpath.jdwp.event.Event; 43: import gnu.classpath.jdwp.exception.InvalidStringException; 44: import gnu.classpath.jdwp.exception.InvalidClassException; 45: import gnu.classpath.jdwp.id.ReferenceTypeId; 46: 47: /** 48: * An event filter which includes events matching a 49: * specified class pattern (exact match or start/end with "*"). 50: * 51: * @author Keith Seitz (keiths@redhat.com) 52: */ 53: public class ClassMatchFilter 54: implements IEventFilter 55: { 56: // Pattern to match 57: private String _pattern; 58: 59: /** 60: * Constructs a new <code>ClassMatchFilter</code> 61: * 62: * @param pattern the pattern to use 63: * @throws InvalidStringException if pattern is invalid 64: */ 65: public ClassMatchFilter (String pattern) 66: throws InvalidStringException 67: { 68: int index = pattern.indexOf ('*'); 69: if (index != -1 && index != 0 && index != (pattern.length () - 1)) 70: { 71: // '*' must be first char or last char 72: throw new InvalidStringException ("pattern may be an exact match or " 73: + "start/end with \"*\""); 74: } 75: _pattern = pattern; 76: } 77: 78: /** 79: * Returns the pattern to be matched 80: * 81: * @return the pattern 82: */ 83: public String getPattern () 84: { 85: return _pattern; 86: } 87: 88: /** 89: * Does the given event match the filter? 90: * 91: * @param event the <code>Event</code> to scrutinize 92: */ 93: public boolean matches (Event event) 94: { 95: Object type = event.getParameter (ReferenceTypeId.class); 96: if (type != null) 97: { 98: Class eventClass = (Class) type; 99: String name = eventClass.getName (); 100: 101: if (_pattern.startsWith ("*")) 102: return name.endsWith (_pattern.substring (1)); 103: else if (_pattern.endsWith ("*")) 104: { 105: int end = _pattern.length () - 1; 106: return name.startsWith (_pattern.substring (0, end)); 107: } 108: else 109: return name.matches (_pattern); 110: } 111: 112: return false; 113: } 114: }