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/*
* Java HTML Tidy - JTidy
* HTML parser and pretty printer
*
* Copyright (c) 1998-2000 World Wide Web Consortium (Massachusetts
* Institute of Technology, Institut National de Recherche en
* Informatique et en Automatique, Keio University). All Rights
* Reserved.
*
* Contributing Author(s):
*
* Dave Raggett
* Andy Quick (translation to Java)
* Gary L Peskin (Java development)
* Sami Lempinen (release management)
* Fabrizio Giustina
*
* The contributing author(s) would like to thank all those who
* helped with testing, bug fixes, and patience. This wouldn't
* have been possible without all of you.
*
* COPYRIGHT NOTICE:
*
* This software and documentation is provided "as is," and
* the copyright holders and contributing author(s) make no
* representations or warranties, express or implied, including
* but not limited to, warranties of merchantability or fitness
* for any particular purpose or that the use of the software or
* documentation will not infringe any third party patents,
* copyrights, trademarks or other rights.
*
* The copyright holders and contributing author(s) will not be
* liable for any direct, indirect, special or consequential damages
* arising out of any use of the software or documentation, even if
* advised of the possibility of such damage.
*
* Permission is hereby granted to use, copy, modify, and distribute
* this source code, or portions hereof, documentation and executables,
* for any purpose, without fee, subject to the following restrictions:
*
* 1. The origin of this source code must not be misrepresented.
* 2. Altered versions must be plainly marked as such and must
* not be misrepresented as being the original source.
* 3. This Copyright notice may not be removed or altered from any
* source or altered source distribution.
*
* The copyright holders and contributing author(s) specifically
* permit, without fee, and encourage the use of this source code
* as a component for supporting the Hypertext Markup Language in
* commercial products. If you use this source code in a product,
* acknowledgment is not required but would be appreciated.
*
*/
package org.w3c.tidy;
import org.w3c.dom.DOMException;
import org.w3c.dom.TypeInfo;
/**
* Tidy implementation of org.w3c.dom.DOMAttrImpl.
* @author Dave Raggett [email protected]
* @author Andy Quick [email protected] (translation to Java)
* @author Fabrizio Giustina
* @version $Revision$ ($Author$)
*/
public class DOMAttrImpl extends DOMNodeImpl implements org.w3c.dom.Attr, Cloneable
{
/**
* wrapped org.w3c.tidy.AttVal.
*/
protected AttVal avAdaptee;
/**
* instantiates a new DOMAttrImpl which wraps the given AttVal.
* @param adaptee wrapped AttVal
*/
protected DOMAttrImpl(AttVal adaptee)
{
super(null); // must override all methods of DOMNodeImpl
this.avAdaptee = adaptee;
}
/**
* @see org.w3c.dom.Node#getNodeValue()
*/
public String getNodeValue() throws DOMException
{
return getValue();
}
/**
* @see org.w3c.dom.Node#setNodeValue(java.lang.String)
*/
public void setNodeValue(String nodeValue) throws DOMException
{
setValue(nodeValue);
}
/**
* @see org.w3c.dom.Node#getNodeName()
*/
public String getNodeName()
{
return getName();
}
/**
* @see org.w3c.dom.Node#getNodeType()
*/
public short getNodeType()
{
return org.w3c.dom.Node.ATTRIBUTE_NODE;
}
/**
* @see org.w3c.dom.Attr#getName
*/
public String getName()
{
return avAdaptee.attribute;
}
/**
* @see org.w3c.dom.Attr#getSpecified
*/
public boolean getSpecified()
{
return avAdaptee.value != null;
}
/**
* @see org.w3c.dom.Attr#getValue
*/
public String getValue()
{
// Thanks to Brett Knights [email protected] for this fix.
return (avAdaptee.value == null) ? avAdaptee.attribute : avAdaptee.value;
}
/**
* @see org.w3c.dom.Attr#setValue(java.lang.String)
*/
public void setValue(String value)
{
avAdaptee.value = value;
}
/**
* @see org.w3c.dom.Node#getParentNode()
*/
public org.w3c.dom.Node getParentNode()
{
// Attr.getParentNode() should always return null
// http://www.w3.org/TR/DOM-Level-2-Core/core.html#ID-637646024
return null;
}
/**
* TODO DOM level 2 getChildNodes() Not implemented. Returns an empty NodeList.
* @see org.w3c.dom.Node#getChildNodes()
*/
public org.w3c.dom.NodeList getChildNodes()
{
// Calling getChildNodes on a DOM Attr node does return the children of the Attr, which are the text and
// EntityReference nodes that make up the Attr's content.
return new DOMNodeListImpl(null);
}
/**
* TODO DOM level 2 getFirstChild() Not implemented. Returns null.
* @see org.w3c.dom.Node#getFirstChild()
*/
public org.w3c.dom.Node getFirstChild()
{
return null;
}
/**
* TODO DOM level 2 getLastChild() Not implemented. Returns null.
* @see org.w3c.dom.Node#getLastChild()
*/
public org.w3c.dom.Node getLastChild()
{
return null;
}
/**
* @see org.w3c.dom.Node#getPreviousSibling()
*/
public org.w3c.dom.Node getPreviousSibling()
{
// Attr.getPreviousSibling() should always return null
return null;
}
/**
* @see org.w3c.dom.Node#getNextSibling()
*/
public org.w3c.dom.Node getNextSibling()
{
// Attr.getNextSibling() should always return null
return null;
}
/**
* @see org.w3c.dom.Node#getAttributes()
*/
public org.w3c.dom.NamedNodeMap getAttributes()
{
return null;
}
/**
* TODO DOM level 2 getOwnerDocument() Not implemented. Returns null.
* @see org.w3c.dom.Node#getOwnerDocument()
*/
public org.w3c.dom.Document getOwnerDocument()
{
return null;
}
/**
* Not supported.
* @see org.w3c.dom.Node#insertBefore(org.w3c.dom.Node, org.w3c.dom.Node)
*/
public org.w3c.dom.Node insertBefore(org.w3c.dom.Node newChild, org.w3c.dom.Node refChild) throws DOMException
{
throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, "Not supported");
}
/**
* Not supported.
* @see org.w3c.dom.Node#replaceChild(org.w3c.dom.Node, org.w3c.dom.Node)
*/
public org.w3c.dom.Node replaceChild(org.w3c.dom.Node newChild, org.w3c.dom.Node oldChild) throws DOMException
{
throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, "Not supported");
}
/**
* Not supported.
* @see org.w3c.dom.Node#removeChild(org.w3c.dom.Node)
*/
public org.w3c.dom.Node removeChild(org.w3c.dom.Node oldChild) throws DOMException
{
throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, "Not supported");
}
/**
* Not supported.
* @see org.w3c.dom.Node#appendChild(org.w3c.dom.Node)
*/
public org.w3c.dom.Node appendChild(org.w3c.dom.Node newChild) throws DOMException
{
throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, "Not supported");
}
/**
* @see org.w3c.dom.Node#hasChildNodes()
*/
public boolean hasChildNodes()
{
return false;
}
/**
* @see org.w3c.dom.Node#cloneNode(boolean)
*/
public org.w3c.dom.Node cloneNode(boolean deep)
{
// http://java.sun.com/j2se/1.5.0/docs/api/index.html?org/w3c/dom/Attr.html
// Cloning an Attr always clones its children, since they represent its value, no matter whether this is a deep
// clone or not.
return (org.w3c.dom.Node) clone();
}
/**
* TODO DOM level 2 getOwnerElement() Not implemented. Returns null.
* @see org.w3c.dom.Attr#getOwnerElement()
*/
public org.w3c.dom.Element getOwnerElement()
{
return null;
}
/**
* TODO DOM level 3 getSchemaTypeInfo() Not implemented. Returns null.
* @see org.w3c.dom.Attr#getSchemaTypeInfo()
*/
public TypeInfo getSchemaTypeInfo()
{
return null;
}
/**
* @see org.w3c.dom.Attr#isId()
*/
public boolean isId()
{
return "id".equals(this.avAdaptee.getAttribute());
}
/**
* @see java.lang.Object#clone()
*/
protected Object clone()
{
DOMAttrImpl clone;
try
{
clone = (DOMAttrImpl) super.clone();
}
catch (CloneNotSupportedException e)
{
// should never happen
throw new RuntimeException("Clone not supported");
}
clone.avAdaptee = (AttVal) this.avAdaptee.clone();
return clone;
}
}
