Add MessageWithBodies and DelayedStanza Filter

smack-core/src/main/java/org/jivesoftware/smack/filter/MessageWithBodiesFilter.java

@@ -0,0 +1,39 @@
+/**
+ *
+ * Copyright © 2014 Florian Schmaus
+ *
+ * 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.Message;
+
+/**
+ * Filters message stanzas which have at least one body
+ */
+public class MessageWithBodiesFilter extends FlexiblePacketTypeFilter<Message> {
+
+    public static final PacketFilter INSTANCE = new MessageWithBodiesFilter();
+
+    private MessageWithBodiesFilter() {
+        super(Message.class);
+    }
+
+    @Override
+    protected boolean acceptSpecific(Message message) {
+        // Accept only messages which have at least one body
+        return !message.getBodies().isEmpty();
+    }
+
+}

smack-extensions/src/main/java/org/jivesoftware/smackx/delay/filter/DelayedStanzaFilter.java

@@ -0,0 +1,44 @@
+/**
+ *
+ * Copyright © 2014 Florian Schmaus
+ *
+ * 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.smackx.delay.filter;
+
+import org.jivesoftware.smack.filter.NotFilter;
+import org.jivesoftware.smack.filter.PacketFilter;
+import org.jivesoftware.smack.packet.Packet;
+import org.jivesoftware.smackx.delay.DelayInformationManager;
+
+/**
+ * Filters stanza with delay information, ie. stanzas that got delayed for some reason
+ */
+public class DelayedStanzaFilter implements PacketFilter {
+
+    public static final PacketFilter INSTANCE = new DelayedStanzaFilter();
+
+    /**
+     * Filters stanzas that got not delayed, ie. have no delayed information
+     */
+    public static final PacketFilter NOT_DELAYED_STANZA = new NotFilter(INSTANCE);
+
+    private DelayedStanzaFilter() {
+    }
+
+    @Override
+    public boolean accept(Packet packet) {
+        return DelayInformationManager.isDelayedStanza(packet);
+    }
+
+}