Another javax.management class... Changelog:
2007-01-21 Andrew John Hughes <[EMAIL PROTECTED]>
* javax/management/AttributeChangeNotificationFilter.java:
Correct typo.
* javax/management/NotificationFilterSupport.java:
New file.
--
Andrew :-)
Escape the Java Trap with GNU Classpath!
http://www.gnu.org/philosophy/java-trap.html
public class gcj extends Freedom implements Java { ... }
Index: javax/management/AttributeChangeNotificationFilter.java
===================================================================
RCS file:
/cvsroot/classpath/classpath/javax/management/AttributeChangeNotificationFilter.java,v
retrieving revision 1.1
diff -u -3 -p -u -r1.1 AttributeChangeNotificationFilter.java
--- javax/management/AttributeChangeNotificationFilter.java 14 Jan 2007
00:45:58 -0000 1.1
+++ javax/management/AttributeChangeNotificationFilter.java 21 Jan 2007
17:41:18 -0000
@@ -93,7 +93,7 @@ public class AttributeChangeNotification
* to pass through the filter. If the attribute is
* enabled, this has no effect.
*
- * @param name the name of the attribute to disable.
+ * @param name the name of the attribute to enable.
*/
public void enableAttribute(String name)
{
Index: javax/management/NotificationFilterSupport.java
===================================================================
RCS file: javax/management/NotificationFilterSupport.java
diff -N javax/management/NotificationFilterSupport.java
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ javax/management/NotificationFilterSupport.java 21 Jan 2007 17:41:18
-0000
@@ -0,0 +1,139 @@
+/* NotificationFilterSupport.java -- Filter on notification type.
+ 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.util.Vector;
+
+/**
+ * Performs filtering of [EMAIL PROTECTED] Notification}s
+ * based on a list of type prefixes. The type of a notification
+ * is compared with each member of the list using
+ * [EMAIL PROTECTED] String#startsWith(String)} and, if one matches,
+ * the notification is allowed to pass through the filter.
+ * Matching on the beginning of the string is used in
+ * preference to wildcards, so <code>type.*</code> will
+ * match only notifications with a type beginning with
+ * code>type.*</code>, not <code>type.</code> as
+ * expected.
+ *
+ * @author Andrew John Hughes ([EMAIL PROTECTED])
+ * @since 1.5
+ */
+public class NotificationFilterSupport
+ implements NotificationFilter
+{
+
+ /**
+ * Compatible with JDK 1.5
+ */
+ private static final long serialVersionUID = 6579080007561786969L;
+
+ /**
+ * Lists the types that may pass through the filter.
+ */
+ private final Vector<String> enabledTypes = new Vector<String>();
+
+ /**
+ * Blocks all types by emptying the list of enabled attributes.
+ */
+ public void disableAllTypes()
+ {
+ enabledTypes.clear();
+ }
+
+ /**
+ * Removes the specified type prefix from the list
+ * of enabled types, thus preventing matching types
+ * from passing through the filter. If the specified
+ * type prefix is not enabled, this operation has no
+ * effect.
+ *
+ * @param prefix the prefix to disable.
+ */
+ public void disableType(String prefix)
+ {
+ enabledTypes.remove(prefix);
+ }
+
+ /**
+ * Adds the specified type prefix to the list
+ * of enabled types, thus allowing
+ * types starting with this string to pass through
+ * the filter. If the type prefix is already
+ * enabled, this has no effect.
+ *
+ * @param prefix the prefix to enable.
+ * @throws IllegalArgumentException if <code>prefix</code>
+ * is <code>null</code>.
+ */
+ public void enableType(String prefix)
+ {
+ if (prefix == null)
+ throw new IllegalArgumentException("A null prefix was supplied.");
+ if (!enabledTypes.contains(prefix))
+ enabledTypes.add(prefix);
+ }
+
+ /**
+ * Returns the list of enabled types for this
+ * filter.
+ *
+ * @return the list of enabled types.
+ */
+ public Vector<String> getEnabledTypes()
+ {
+ return enabledTypes;
+ }
+
+ /**
+ * Returns true if the type of the specified notification
+ * begins with one of the enabled type prefixes.
+ *
+ * @param notif the notification being filtered.
+ * @return true if the notification's type is enabled.
+ */
+ public boolean isNotificationEnabled(Notification notif)
+ {
+ String nType = notif.getType();
+ for (String type : enabledTypes)
+ if (nType.startsWith(type))
+ return true;
+ return false;
+ }
+
+}
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