| /* |
| * 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. |
| */ |
| /* |
| * $Id: AttList.java 468655 2006-10-28 07:12:06Z minchau $ |
| */ |
| package org.apache.xml.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.usage internal |
| */ |
| public class AttList implements Attributes |
| { |
| |
| /** List of attribute nodes */ |
| NamedNodeMap m_attrs; |
| |
| /** Index of last attribute node */ |
| int m_lastIndex; |
| |
| // ARGHH!! JAXP Uses Xerces without setting the namespace processing to ON! |
| // DOM2Helper m_dh = new DOM2Helper(); |
| |
| /** Local reference to DOMHelper */ |
| DOMHelper m_dh; |
| |
| // /** |
| // * Constructor AttList |
| // * |
| // * |
| // * @param attrs List of attributes this will contain |
| // */ |
| // public AttList(NamedNodeMap attrs) |
| // { |
| // |
| // m_attrs = attrs; |
| // m_lastIndex = m_attrs.getLength() - 1; |
| // m_dh = new DOM2Helper(); |
| // } |
| |
| /** |
| * Constructor AttList |
| * |
| * |
| * @param attrs List of attributes this will contain |
| * @param dh DOMHelper |
| */ |
| public AttList(NamedNodeMap attrs, DOMHelper dh) |
| { |
| |
| m_attrs = attrs; |
| m_lastIndex = m_attrs.getLength() - 1; |
| m_dh = dh; |
| } |
| |
| /** |
| * 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. |
| * |
| * @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 = m_dh.getNamespaceOfNode(((Attr) m_attrs.item(index))); |
| if(null == ns) |
| ns = ""; |
| return ns; |
| } |
| |
| /** |
| * 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 m_dh.getLocalNameOfNode(((Attr) m_attrs.item(index))); |
| } |
| |
| /** |
| * 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 |
| * |
| * |
| * @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 |
| * |
| * |
| * @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 |
| * |
| * |
| * @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. |
| * |
| * @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. |
| * |
| * |
| * @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. |
| * |
| * @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. |
| * |
| * @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. |
| * |
| * @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; |
| } |
| } |
| |