001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 /*
019 * $Id: NSInfo.java 468655 2006-10-28 07:12:06Z minchau $
020 */
021 package org.apache.xml.utils;
022
023 /**
024 * This class holds information about the namespace info
025 * of a node. It is used to optimize namespace lookup in
026 * a generic DOM.
027 * @xsl.usage internal
028 */
029 public class NSInfo
030 {
031
032 /**
033 * Constructor NSInfo
034 *
035 *
036 * @param hasProcessedNS Flag indicating whether namespaces
037 * have been processed for this node
038 * @param hasXMLNSAttrs Flag indicating whether this node
039 * has XMLNS attributes.
040 */
041 public NSInfo(boolean hasProcessedNS, boolean hasXMLNSAttrs)
042 {
043
044 m_hasProcessedNS = hasProcessedNS;
045 m_hasXMLNSAttrs = hasXMLNSAttrs;
046 m_namespace = null;
047 m_ancestorHasXMLNSAttrs = ANCESTORXMLNSUNPROCESSED;
048 }
049
050 // Unused at the moment
051
052 /**
053 * Constructor NSInfo
054 *
055 *
056 * @param hasProcessedNS Flag indicating whether namespaces
057 * have been processed for this node
058 * @param hasXMLNSAttrs Flag indicating whether this node
059 * has XMLNS attributes.
060 * @param ancestorHasXMLNSAttrs Flag indicating whether one of this node's
061 * ancestor has XMLNS attributes.
062 */
063 public NSInfo(boolean hasProcessedNS, boolean hasXMLNSAttrs,
064 int ancestorHasXMLNSAttrs)
065 {
066
067 m_hasProcessedNS = hasProcessedNS;
068 m_hasXMLNSAttrs = hasXMLNSAttrs;
069 m_ancestorHasXMLNSAttrs = ancestorHasXMLNSAttrs;
070 m_namespace = null;
071 }
072
073 /**
074 * Constructor NSInfo
075 *
076 *
077 * @param namespace The namespace URI
078 * @param hasXMLNSAttrs Flag indicating whether this node
079 * has XMLNS attributes.
080 */
081 public NSInfo(String namespace, boolean hasXMLNSAttrs)
082 {
083
084 m_hasProcessedNS = true;
085 m_hasXMLNSAttrs = hasXMLNSAttrs;
086 m_namespace = namespace;
087 m_ancestorHasXMLNSAttrs = ANCESTORXMLNSUNPROCESSED;
088 }
089
090 /** The namespace URI */
091 public String m_namespace;
092
093 /** Flag indicating whether this node has an XMLNS attribute */
094 public boolean m_hasXMLNSAttrs;
095
096 /** Flag indicating whether namespaces have been processed for this node */
097 public boolean m_hasProcessedNS;
098
099 /** Flag indicating whether one of this node's ancestor has an XMLNS attribute */
100 public int m_ancestorHasXMLNSAttrs;
101
102 /** Constant for ancestors XMLNS atributes not processed */
103 public static final int ANCESTORXMLNSUNPROCESSED = 0;
104
105 /** Constant indicating an ancestor has an XMLNS attribute */
106 public static final int ANCESTORHASXMLNS = 1;
107
108 /** Constant indicating ancestors don't have an XMLNS attribute */
109 public static final int ANCESTORNOXMLNS = 2;
110 }