001/** 002 * 003 * Copyright the original author or authors 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smackx.pubsub.packet; 018 019import java.util.Locale; 020 021/** 022 * Defines all the valid namespaces that are used with the {@link PubSub} packet 023 * as defined by the specification. 024 * 025 * @author Robin Collier 026 */ 027public enum PubSubNamespace { 028 BASIC(null), 029 ERROR("errors"), 030 EVENT("event"), 031 OWNER("owner"); 032 033 private final String fragment; 034 private final String fullNamespace; 035 036 PubSubNamespace(String fragment) { 037 this.fragment = fragment; 038 if (fragment != null) { 039 fullNamespace = PubSub.NAMESPACE + '#' + fragment; 040 } else { 041 fullNamespace = PubSub.NAMESPACE; 042 } 043 } 044 045 public String getXmlns() 046 { 047 return fullNamespace; 048 } 049 050 public String getFragment() 051 { 052 return fragment; 053 } 054 055 public static PubSubNamespace valueOfFromXmlns(String ns) 056 { 057 int index = ns.lastIndexOf('#'); 058 059 if (index != -1) 060 { 061 String suffix = ns.substring(ns.lastIndexOf('#') + 1); 062 return valueOf(suffix.toUpperCase(Locale.US)); 063 } 064 else 065 return BASIC; 066 } 067}