| /* ExceptionOnlyFilter.java -- filter for excetions by caught/uncaught and type |
| Copyright (C) 2005, 2006 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.classpath.jdwp.event.filters; |
| |
| import gnu.classpath.jdwp.event.Event; |
| import gnu.classpath.jdwp.exception.InvalidClassException; |
| import gnu.classpath.jdwp.id.ReferenceTypeId; |
| |
| /** |
| * Restricts reported exceptions by their class and whether they are caught |
| * or uncaught. |
| * |
| * This modifier can be used with exception event kinds only. |
| * |
| * @author Keith Seitz (keiths@redhat.com) |
| */ |
| public class ExceptionOnlyFilter |
| implements IEventFilter |
| { |
| private ReferenceTypeId _refId; |
| private boolean _caught; |
| private boolean _uncaught; |
| |
| /** |
| * Constructs a new ExceptionOnlyFilter |
| * |
| * @param refId ID of the exception to report(null for all exceptions) |
| * @param caught Report caught exceptions |
| * @param uncaught Report uncaught exceptions |
| * @throws InvalidClassException if refid is invalid |
| */ |
| public ExceptionOnlyFilter (ReferenceTypeId refId, boolean caught, |
| boolean uncaught) |
| throws InvalidClassException |
| { |
| if (refId != null && refId.getReference().get() == null) |
| throw new InvalidClassException(refId.getId()); |
| |
| _refId = refId; |
| _caught = caught; |
| _uncaught = uncaught; |
| } |
| |
| /** |
| * Returns the exception class to report (<code>null</code> for all) |
| * |
| * @return the class's ID |
| */ |
| public ReferenceTypeId getType () |
| { |
| return _refId; |
| } |
| |
| |
| /** |
| * Does the given event match the filter? |
| * |
| * @param event the <code>Event</code> to scrutinize |
| */ |
| public boolean matches(Event event) |
| { |
| boolean classMatch = true; |
| |
| // if not allowing all exceptions check if the exception matches |
| if (_refId != null) |
| { |
| try |
| { |
| Class klass |
| = (Class) event.getParameter(Event.EVENT_EXCEPTION_CLASS); |
| classMatch = klass == _refId.getType(); |
| } |
| catch (InvalidClassException ex) |
| { |
| classMatch = false; |
| } |
| } |
| |
| // check against the caught and uncaught options |
| Boolean caught |
| = (Boolean) event.getParameter(Event.EVENT_EXCEPTION_CAUGHT); |
| |
| return classMatch && ((caught.booleanValue()) ? _caught : _uncaught); |
| } |
| |
| } |