com.sun.org.apache.xml.internal.utils.MutableAttrListImpl Maven / Gradle / Ivy
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/*
* $Id: MutableAttrListImpl.java,v 1.8 2010-11-01 04:34:51 joehw Exp $
*/
package com.sun.org.apache.xml.internal.utils;
import java.io.Serializable;
import org.xml.sax.Attributes;
import org.xml.sax.helpers.AttributesImpl;
/**
* Mutable version of AttributesImpl.
* @xsl.usage advanced
*/
public class MutableAttrListImpl extends AttributesImpl
implements Serializable
{
static final long serialVersionUID = 6289452013442934470L;
/**
* Construct a new, empty AttributesImpl object.
*/
public MutableAttrListImpl()
{
super();
}
/**
* Copy an existing Attributes object.
*
* This constructor is especially useful inside a start
* element event.
*
* @param atts The existing Attributes object.
*/
public MutableAttrListImpl(Attributes atts)
{
super(atts);
}
/**
* Add an attribute to the end of the list.
*
* For the sake of speed, this method does no checking
* to see if the attribute is already in the list: that is
* the responsibility of the application.
*
* @param uri The Namespace URI, or the empty string if
* none is available or Namespace processing is not
* being performed.
* @param localName The local name, or the empty string if
* Namespace processing is not being performed.
* @param qName The qualified (prefixed) name, or the empty string
* if qualified names are not available.
* @param type The attribute type as a string.
* @param value The attribute value.
*/
public void addAttribute(String uri, String localName, String qName,
String type, String value)
{
if (null == uri)
uri = "";
// getIndex(qName) seems to be more reliable than getIndex(uri, localName),
// in the case of the xmlns attribute anyway.
int index = this.getIndex(qName);
// int index = this.getIndex(uri, localName);
// System.out.println("MutableAttrListImpl#addAttribute: "+uri+":"+localName+", "+index+", "+qName+", "+this);
if (index >= 0)
this.setAttribute(index, uri, localName, qName, type, value);
else
super.addAttribute(uri, localName, qName, type, value);
}
/**
* Add the contents of the attribute list to this list.
*
* @param atts List of attributes to add to this list
*/
public void addAttributes(Attributes atts)
{
int nAtts = atts.getLength();
for (int i = 0; i < nAtts; i++)
{
String uri = atts.getURI(i);
if (null == uri)
uri = "";
String localName = atts.getLocalName(i);
String qname = atts.getQName(i);
int index = this.getIndex(uri, localName);
// System.out.println("MutableAttrListImpl#addAttributes: "+uri+":"+localName+", "+index+", "+atts.getQName(i)+", "+this);
if (index >= 0)
this.setAttribute(index, uri, localName, qname, atts.getType(i),
atts.getValue(i));
else
addAttribute(uri, localName, qname, atts.getType(i),
atts.getValue(i));
}
}
/**
* Return true if list contains the given (raw) attribute name.
*
* @param name Raw name of attribute to look for
*
* @return true if an attribute is found with this name
*/
public boolean contains(String name)
{
return getValue(name) != null;
}
}
// end of MutableAttrListImpl.java