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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ExceptionOnlyFilter.java')
-rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ExceptionOnlyFilter.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ExceptionOnlyFilter.java b/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ExceptionOnlyFilter.java new file mode 100644 index 000000000..8bb56ed78 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ExceptionOnlyFilter.java @@ -0,0 +1,123 @@ +/* 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); + } + +} |