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+/* 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);
+ }
+
+}