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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ClassMatchFilter.java')
-rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ClassMatchFilter.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ClassMatchFilter.java b/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ClassMatchFilter.java new file mode 100644 index 000000000..a89843169 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/event/filters/ClassMatchFilter.java @@ -0,0 +1,112 @@ +/* ClassMatchFilter.java -- filter on class name (inclusive) + Copyright (C) 2005 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.InvalidStringException; + +/** + * An event filter which includes events matching a + * specified class pattern (exact match or start/end with "*"). + * + * @author Keith Seitz (keiths@redhat.com) + */ +public class ClassMatchFilter + implements IEventFilter +{ + // Pattern to match + private String _pattern; + + /** + * Constructs a new <code>ClassMatchFilter</code> + * + * @param pattern the pattern to use + * @throws InvalidStringException if pattern is invalid + */ + public ClassMatchFilter (String pattern) + throws InvalidStringException + { + int index = pattern.indexOf ('*'); + if (index != -1 && index != 0 && index != (pattern.length () - 1)) + { + // '*' must be first char or last char + throw new InvalidStringException ("pattern may be an exact match or " + + "start/end with \"*\""); + } + _pattern = pattern; + } + + /** + * Returns the pattern to be matched + * + * @return the pattern + */ + public String getPattern () + { + return _pattern; + } + + /** + * Does the given event match the filter? + * + * @param event the <code>Event</code> to scrutinize + */ + public boolean matches (Event event) + { + Object type = event.getParameter (Event.EVENT_CLASS); + if (type != null) + { + Class eventClass = (Class) type; + String name = eventClass.getName (); + + if (_pattern.startsWith ("*")) + return name.endsWith (_pattern.substring (1)); + else if (_pattern.endsWith ("*")) + { + int end = _pattern.length () - 1; + return name.startsWith (_pattern.substring (0, end)); + } + else + return name.matches (_pattern); + } + + return false; + } +} |