From 5e6ebe8c8868a76200e2cdfe77b9345e96fad03c Mon Sep 17 00:00:00 2001 From: Matt Tucker Date: Sun, 11 May 2003 17:43:52 +0000 Subject: [PATCH] Initial check-in. git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@1932 b35dd754-fafc-0310-a699-88a17e54d16e --- .../jivesoftware/smack/filter/NotFilter.java | 82 ++++++++++++++++++ .../smack/filter/PacketExtensionFilter.java | 83 +++++++++++++++++++ 2 files changed, 165 insertions(+) create mode 100644 source/org/jivesoftware/smack/filter/NotFilter.java create mode 100644 source/org/jivesoftware/smack/filter/PacketExtensionFilter.java diff --git a/source/org/jivesoftware/smack/filter/NotFilter.java b/source/org/jivesoftware/smack/filter/NotFilter.java new file mode 100644 index 000000000..70fe3c212 --- /dev/null +++ b/source/org/jivesoftware/smack/filter/NotFilter.java @@ -0,0 +1,82 @@ +/** + * $RCSfile$ + * $Revision$ + * $Date$ + * + * Copyright (C) 2002-2003 Jive Software. All rights reserved. + * ==================================================================== + * The Jive Software License (based on Apache Software License, Version 1.1) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by + * Jive Software (http://www.jivesoftware.com)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Smack" and "Jive Software" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please + * contact webmaster@jivesoftware.com. + * + * 5. Products derived from this software may not be called "Smack", + * nor may "Smack" appear in their name, without prior written + * permission of Jive Software. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + */ + +package org.jivesoftware.smack.filter; + +import org.jivesoftware.smack.packet.Packet; + +/** + * Implements the logical NOT operation on a packet filter. In other words, packets + * pass this filter if they do not pass the supplied filter. + * + * @author Matt Tucker + */ +public class NotFilter implements PacketFilter { + + private PacketFilter filter; + + /** + * Creates a NOT filter using the specified filter. + * + * @param filter the filter. + */ + public NotFilter(PacketFilter filter) { + if (filter == null) { + throw new IllegalArgumentException("Parameter cannot be null."); + } + this.filter = filter; + } + + public boolean accept(Packet packet) { + return !filter.accept(packet); + } +} diff --git a/source/org/jivesoftware/smack/filter/PacketExtensionFilter.java b/source/org/jivesoftware/smack/filter/PacketExtensionFilter.java new file mode 100644 index 000000000..02b80744e --- /dev/null +++ b/source/org/jivesoftware/smack/filter/PacketExtensionFilter.java @@ -0,0 +1,83 @@ +/** + * $RCSfile$ + * $Revision$ + * $Date$ + * + * Copyright (C) 2002-2003 Jive Software. All rights reserved. + * ==================================================================== + * The Jive Software License (based on Apache Software License, Version 1.1) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by + * Jive Software (http://www.jivesoftware.com)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Smack" and "Jive Software" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please + * contact webmaster@jivesoftware.com. + * + * 5. Products derived from this software may not be called "Smack", + * nor may "Smack" appear in their name, without prior written + * permission of Jive Software. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + */ + +package org.jivesoftware.smack.filter; + +import org.jivesoftware.smack.packet.Packet; + +/** + * Filters for packets with a particular type of packet extension. + * + * @author Matt Tucker + */ +public class PacketExtensionFilter implements PacketFilter { + + private String elementName; + private String namespace; + + /** + * Creates a new packet extension filter. Packets will pass the filter if + * they have a packet extension that matches the specified element name + * and namespace. + * + * @param elementName the XML element name of the packet extension. + * @param namespace the XML namespace of the packet extension. + */ + public PacketExtensionFilter(String elementName, String namespace) { + this.elementName = elementName; + this.namespace = namespace; + } + + public boolean accept(Packet packet) { + return packet.getExtension(elementName, namespace) != null; + } +}