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1: /* LocationOnlyFilter.java -- filter on location 2: Copyright (C) 2005, 2006, 2007 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.InvalidLocationException; 44: import gnu.classpath.jdwp.util.Location; 45: 46: /** 47: * Restricts reported events to those that occur at the given location. 48: * 49: * May be used with breakpoint, field access, field modification, step, 50: * and exception event kinds. 51: * 52: * @author Keith Seitz (keiths@redhat.com) 53: */ 54: public class LocationOnlyFilter 55: implements IEventFilter 56: { 57: private Location _location; 58: 59: /** 60: * Constructs a new <code>LocationOnlyFilter</code>. 61: * 62: * @param loc the location for which to report events 63: * @throws InvalidLocationException if location is invalid 64: */ 65: public LocationOnlyFilter (Location loc) 66: throws InvalidLocationException 67: { 68: _location = loc; 69: } 70: 71: /** 72: * Returns the location at which to restrict events 73: * 74: * @return the location 75: */ 76: public Location getLocation () 77: { 78: return _location; 79: } 80: 81: /** 82: * Does the given event match the filter? 83: * 84: * @param event the <code>Event</code> to scrutinize 85: */ 86: public boolean matches(Event event) 87: { 88: Location loc = (Location) event.getParameter(Event.EVENT_LOCATION); 89: if (loc != null) 90: return (getLocation().equals(loc)); 91: 92: return false; 93: } 94: }