This adds the AttributeChangeNotificationFilter. Changelog:
2007-01-14 Andrew John Hughes <[EMAIL PROTECTED]>
* javax/management/AttributeChangeNotificationFilter.java:
New file.
--
Andrew :-)
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Index: javax/management/AttributeChangeNotificationFilter.java
===================================================================
RCS file: javax/management/AttributeChangeNotificationFilter.java
diff -N javax/management/AttributeChangeNotificationFilter.java
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ javax/management/AttributeChangeNotificationFilter.java 14 Jan 2007
00:34:46 -0000
@@ -0,0 +1,137 @@
+/* AttributeChangeNotificationFilter.java -- Filter on attribute name
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+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
+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 javax.management;
+
+import java.io.Serializable;
+
+import java.util.Vector;
+
+/**
+ * Performs filtering of [EMAIL PROTECTED] AttributeChangeNotification}s
+ * based on a list of attribute names.
+ *
+ * @author Andrew John Hughes ([EMAIL PROTECTED])
+ * @since 1.5
+ */
+public class AttributeChangeNotificationFilter
+ implements NotificationFilter, Serializable
+{
+
+ /**
+ * Compatible with JDK 1.5
+ */
+ private static final long serialVersionUID = -6347317584796410029L;
+
+ /**
+ * Lists the names of the attributes that may pass
+ * through the filter.
+ */
+ private final Vector<String> enabledAttributes = new Vector<String>();
+
+ /**
+ * Blocks all [EMAIL PROTECTED] AttributeChangeNotification}s
+ * by emptying the list of enabled attributes.
+ */
+ public void disableAllAttributes()
+ {
+ enabledAttributes.clear();
+ }
+
+ /**
+ * Removes the specified attribute name from the list
+ * of enabled attributes, thus preventing
+ * [EMAIL PROTECTED] AttributeChangeNotification}s for this attribute
+ * from passing through the filter. If the attribute is
+ * not enabled, this has no effect.
+ *
+ * @param name the name of the attribute to disable.
+ */
+ public void disableAttribute(String name)
+ {
+ enabledAttributes.remove(name);
+ }
+
+ /**
+ * Adds the specified attribute name to the list
+ * of enabled attributes, thus allowing
+ * [EMAIL PROTECTED] AttributeChangeNotification}s for this attribute
+ * to pass through the filter. If the attribute is
+ * enabled, this has no effect.
+ *
+ * @param name the name of the attribute to disable.
+ */
+ public void enableAttribute(String name)
+ {
+ if (!enabledAttributes.contains(name))
+ enabledAttributes.add(name);
+ }
+
+ /**
+ * Returns the list of enabled attributes for this
+ * filter.
+ *
+ * @return the list of enabled attributes.
+ */
+ public Vector<String> getEnabledAttributes()
+ {
+ return enabledAttributes;
+ }
+
+ /**
+ * Returns true if the specified notification is an
+ * [EMAIL PROTECTED] AttributeChangeNotification} and the name of the
+ * attribute concerned is in the list of enabled attributes
+ * for this filter.
+ *
+ * @param notif the notification being filtered.
+ * @return true if the notification is an
+ * [EMAIL PROTECTED] AttributeChangeNotification} for an
+ * enabled attribute.
+ */
+ public boolean isNotificationEnabled(Notification notif)
+ {
+ if (notif instanceof AttributeChangeNotification)
+ {
+ AttributeChangeNotification n =
+ (AttributeChangeNotification) notif;
+ return enabledAttributes.contains(n.getAttributeName());
+ }
+ return false;
+ }
+
+}
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