1 files changed, 55 insertions, 0 deletions
diff --git a/src/org/jivesoftware/smack/filter/ToContainsFilter.java b/src/org/jivesoftware/smack/filter/ToContainsFilter.java
new file mode 100644
index 0000000..8069fcc
--- /dev/null
+++ b/src/org/jivesoftware/smack/filter/ToContainsFilter.java
@@ -0,0 +1,55 @@
+/**
+ * $RCSfile$
+ * $Revision$
+ * $Date$
+ *
+ * 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;
+
+/**
+ * Filters for packets where the "to" field contains a specified value. For example,
+ * the filter could be used to listen for all packets sent to a group chat nickname.
+ *
+ * @author Matt Tucker
+ */
+public class ToContainsFilter implements PacketFilter {
+
+    private String to;
+
+    /**
+     * Creates a "to" contains filter using the "to" field part.
+     *
+     * @param to the to field value the packet must contain.
+     */
+    public ToContainsFilter(String to) {
+        if (to == null) {
+            throw new IllegalArgumentException("Parameter cannot be null.");
+        }
+        this.to = to.toLowerCase();
+    }
+
+    public boolean accept(Packet packet) {
+        if (packet.getTo() == null) {
+            return false;
+        }
+        else {
+            return packet.getTo().toLowerCase().indexOf(to) != -1;
+        }
+    }
+}
+\ No newline at end of file