https://openjdk.java.net/ 
/*
 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
 */
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 com.sun.org.apache.xml.internal.utils;

import org.w3c.dom.Attr;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import org.xml.sax.Attributes;


Wraps a DOM attribute list in a SAX Attributes.

@xsl.usageinternal
/**
 * Wraps a DOM attribute list in a SAX Attributes.
 * @xsl.usage internal
 */
public class AttList implements Attributes
{

  
List of attribute nodes          
/** List of attribute nodes          */
  NamedNodeMap m_attrs;

  
Index of last attribute node          
/** Index of last attribute node          */
  int m_lastIndex;

  // JAXP Uses Xerces without setting the namespace processing to ON!
  // DOM2Helper m_dh = new DOM2Helper();

  
Constructor AttList

Params:
  • attrs – List of attributes this will contain
/**
   * Constructor AttList
   *
   * @param attrs List of attributes this will contain
   */
  public AttList(NamedNodeMap attrs)
  {
    m_attrs = attrs;
    m_lastIndex = m_attrs.getLength() - 1;
  }

  
Get the number of attribute nodes in the list

Returns:number of attribute nodes
/**
   * Get the number of attribute nodes in the list
   *
   *
   * @return number of attribute nodes
   */
  public int getLength()
  {
    return m_attrs.getLength();
  }

  
Look up an attribute's Namespace URI by index.

Params:
  • index – The attribute index (zero-based).
Returns:The Namespace URI, or the empty string if none
        is available, or null if the index is out of
        range.
/**
   * Look up an attribute's Namespace URI by index.
   *
   * @param index The attribute index (zero-based).
   * @return The Namespace URI, or the empty string if none
   *         is available, or null if the index is out of
   *         range.
   */
  public String getURI(int index)
  {
    String ns = DOM2Helper.getNamespaceOfNode(((Attr) m_attrs.item(index)));
    if(null == ns)
      ns = "";
    return ns;
  }

  
Look up an attribute's local name by index.

Params:
  • index – The attribute index (zero-based).
Returns:The local name, or the empty string if Namespace
        processing is not being performed, or null
        if the index is out of range.
/**
   * Look up an attribute's local name by index.
   *
   * @param index The attribute index (zero-based).
   * @return The local name, or the empty string if Namespace
   *         processing is not being performed, or null
   *         if the index is out of range.
   */
  public String getLocalName(int index)
  {
    return DOM2Helper.getLocalNameOfNode(((Attr) m_attrs.item(index)));
  }

  
Look up an attribute's qualified name by index.

Params:
  • i – The attribute index (zero-based).
Returns:The attribute's qualified name
/**
   * Look up an attribute's qualified name by index.
   *
   *
   * @param i The attribute index (zero-based).
   *
   * @return The attribute's qualified name
   */
  public String getQName(int i)
  {
    return ((Attr) m_attrs.item(i)).getName();
  }

  
Get the attribute's node type by index

Params:
  • i – The attribute index (zero-based)
Returns:the attribute's node type
/**
   * Get the attribute's node type by index
   *
   *
   * @param i The attribute index (zero-based)
   *
   * @return the attribute's node type
   */
  public String getType(int i)
  {
    return "CDATA";  // for the moment
  }

  
Get the attribute's node value by index

Params:
  • i – The attribute index (zero-based)
Returns:the attribute's node value
/**
   * Get the attribute's node value by index
   *
   *
   * @param i The attribute index (zero-based)
   *
   * @return the attribute's node value
   */
  public String getValue(int i)
  {
    return ((Attr) m_attrs.item(i)).getValue();
  }

  
Get the attribute's node type by name

Params:
  • name – Attribute name
Returns:the attribute's node type
/**
   * Get the attribute's node type by name
   *
   *
   * @param name Attribute name
   *
   * @return the attribute's node type
   */
  public String getType(String name)
  {
    return "CDATA";  // for the moment
  }

  
Look up an attribute's type by Namespace name.

Params:
  • uri – The Namespace URI, or the empty String if the
       name has no Namespace URI.
  • localName – The local name of the attribute.
Returns:The attribute type as a string, or null if the
        attribute is not in the list or if Namespace
        processing is not being performed.
/**
   * Look up an attribute's type by Namespace name.
   *
   * @param uri The Namespace URI, or the empty String if the
   *        name has no Namespace URI.
   * @param localName The local name of the attribute.
   * @return The attribute type as a string, or null if the
   *         attribute is not in the list or if Namespace
   *         processing is not being performed.
   */
  public String getType(String uri, String localName)
  {
    return "CDATA";  // for the moment
  }

  
Look up an attribute's value by name.

Params:
  • name – The attribute node's name
Returns:The attribute node's value
/**
   * Look up an attribute's value by name.
   *
   *
   * @param name The attribute node's name
   *
   * @return The attribute node's value
   */
  public String getValue(String name)
  {
    Attr attr = ((Attr) m_attrs.getNamedItem(name));
    return (null != attr)
          ? attr.getValue() : null;
  }

  
Look up an attribute's value by Namespace name.

Params:
  • uri – The Namespace URI, or the empty String if the
       name has no Namespace URI.
  • localName – The local name of the attribute.
Returns:The attribute value as a string, or null if the
        attribute is not in the list.
/**
   * Look up an attribute's value by Namespace name.
   *
   * @param uri The Namespace URI, or the empty String if the
   *        name has no Namespace URI.
   * @param localName The local name of the attribute.
   * @return The attribute value as a string, or null if the
   *         attribute is not in the list.
   */
  public String getValue(String uri, String localName)
  {
                Node a=m_attrs.getNamedItemNS(uri,localName);
                return (a==null) ? null : a.getNodeValue();
  }

  
Look up the index of an attribute by Namespace name.

Params:
  • uri – The Namespace URI, or the empty string if
       the name has no Namespace URI.
  • localPart – The attribute's local name.
Returns:The index of the attribute, or -1 if it does not
        appear in the list.
/**
   * Look up the index of an attribute by Namespace name.
   *
   * @param uri The Namespace URI, or the empty string if
   *        the name has no Namespace URI.
   * @param localPart The attribute's local name.
   * @return The index of the attribute, or -1 if it does not
   *         appear in the list.
   */
  public int getIndex(String uri, String localPart)
  {
    for(int i=m_attrs.getLength()-1;i>=0;--i)
    {
      Node a=m_attrs.item(i);
      String u=a.getNamespaceURI();
      if( (u==null ? uri==null : u.equals(uri))
          &&
          a.getLocalName().equals(localPart) )
        return i;
    }
    return -1;
  }

  
Look up the index of an attribute by raw XML 1.0 name.

Params:
  • qName – The qualified (prefixed) name.
Returns:The index of the attribute, or -1 if it does not
        appear in the list.
/**
   * Look up the index of an attribute by raw XML 1.0 name.
   *
   * @param qName The qualified (prefixed) name.
   * @return The index of the attribute, or -1 if it does not
   *         appear in the list.
   */
  public int getIndex(String qName)
  {
    for(int i=m_attrs.getLength()-1;i>=0;--i)
    {
      Node a=m_attrs.item(i);
      if(a.getNodeName().equals(qName) )
        return i;
    }
    return -1;
  }
}