1 files changed, 50 insertions, 0 deletions
diff --git a/src/org/jivesoftware/smack/filter/ThreadFilter.java b/src/org/jivesoftware/smack/filter/ThreadFilter.java
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+++ b/src/org/jivesoftware/smack/filter/ThreadFilter.java
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+/**
+ * $RCSfile$
+ * $Revision$
+ * $Date$
+ *
+ * Copyright 2003-2007 Jive Software.
+ *
+ * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jivesoftware.smack.filter;
+
+import org.jivesoftware.smack.packet.Packet;
+import org.jivesoftware.smack.packet.Message;
+
+/**
+ * Filters for message packets with a particular thread value.
+ *
+ * @author Matt Tucker
+ */
+public class ThreadFilter implements PacketFilter {
+
+    private String thread;
+
+    /**
+     * Creates a new thread filter using the specified thread value.
+     *
+     * @param thread the thread value to filter for.
+     */
+    public ThreadFilter(String thread) {
+        if (thread == null) {
+            throw new IllegalArgumentException("Thread cannot be null.");
+        }
+        this.thread = thread;
+    }
+
+    public boolean accept(Packet packet) {
+        return packet instanceof Message && thread.equals(((Message) packet).getThread());
+    }
+}