001 /*
002 * Copyright 1999,2004 The Apache Software Foundation.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.apache.commons.feedparser;
018
019 import org.jaxen.SimpleNamespaceContext;
020 import org.jdom.Namespace;
021
022 /**
023 * A class to manage XML namespaces
024 *
025 * @author <a href="mailto:burton@apache.org">Kevin A. Burton (burtonator)</a>
026 * @version $Id: NS.java 373614 2006-01-30 22:31:21Z mvdb $
027 */
028 public class NS {
029
030 public static final Namespace RDFS =
031 Namespace.getNamespace( "rdfs", "http://www.w3.org/2000/01/rdf-schema#" );
032
033 public static final Namespace FOAF =
034 Namespace.getNamespace( "foaf", "http://xmlns.com/foaf/0.1/" );
035
036 public static final Namespace KR =
037 Namespace.getNamespace( "kr", "http://ksa.peerfear.org/ksa-rdf#" );
038
039 public static final Namespace CONTENT =
040 Namespace.getNamespace( "content", "http://purl.org/rss/1.0/modules/content/" );
041
042 public static final Namespace QUOTE =
043 Namespace.getNamespace( "quote", "http://purl.org/rss/1.0/modules/quote/" );
044
045 public static final Namespace RDF =
046 Namespace.getNamespace( "rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#" );
047
048 public static final Namespace RSS =
049 Namespace.getNamespace( "rss", "http://purl.org/rss/1.0/" );
050
051 public static final Namespace AGG =
052 Namespace.getNamespace( "agg", "http://purl.org/rss/modules/aggregation/" );
053
054 public static final Namespace IM =
055 Namespace.getNamespace( "im", "http://purl.org/rss/1.0/item-images/" );
056
057 public static final Namespace DC =
058 Namespace.getNamespace( "dc", "http://purl.org/dc/elements/1.1/" );
059
060 public static final Namespace DCTERMS =
061 Namespace.getNamespace( "dcterms", "http://purl.org/dc/terms/" );
062
063 public static final Namespace SUBSCRIPTION =
064 Namespace.getNamespace( "sub", "http://purl.org/rss/1.0/modules/subscription/" );
065
066 public static final Namespace NC =
067 Namespace.getNamespace( "NC", "http://home.netscape.com/NC-rdf#" );
068
069 public static final Namespace XHTML =
070 Namespace.getNamespace( "xhtml", "http://www.w3.org/1999/xhtml" );
071
072 public static final Namespace ATOM =
073 Namespace.getNamespace( "atom", "http://purl.org/atom/ns#" );
074
075 public static final Namespace WFW =
076 Namespace.getNamespace( "wfw", "http://wellformedweb.org/CommentAPI/" );
077
078 /**
079 * mod_taxonomy
080 */
081 public static final Namespace TAXO =
082 Namespace.getNamespace( "taxo", "http://purl.org/rss/1.0/modules/taxonomy/" );
083
084 public static SimpleNamespaceContext context = null;
085
086 static {
087
088 //create all namespace contexts and do it ONCE
089 context = new SimpleNamespaceContext();
090 context.addNamespace( ATOM.getPrefix(), ATOM.getURI() );
091 context.addNamespace( DC.getPrefix(), DC.getURI() );
092 context.addNamespace( FOAF.getPrefix(), FOAF.getURI() );
093 context.addNamespace( RDF.getPrefix(), RDF.getURI() );
094 context.addNamespace( RDFS.getPrefix(), RDFS.getURI() );
095 context.addNamespace( TAXO.getPrefix(), TAXO.getURI() );
096
097 }
098
099 }