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Xerces2 is the next generation of high performance, fully
compliant XML parsers in the Apache Xerces family. This new
version of Xerces introduces the Xerces Native Interface (XNI),
a complete framework for building parser components and
configurations that is extremely modular and easy to program.
/*
* 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 org.apache.html.dom;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
import org.w3c.dom.html.HTMLElement;
import org.w3c.dom.html.HTMLOptionElement;
import org.w3c.dom.html.HTMLSelectElement;
/**
* @xerces.internal
* @version $Revision: 447255 $ $Date: 2006-09-18 01:36:42 -0400 (Mon, 18 Sep 2006) $
* @author Assaf Arkin
* @see org.w3c.dom.html.HTMLOptionElement
* @see org.apache.xerces.dom.ElementImpl
*/
public class HTMLOptionElementImpl
extends HTMLElementImpl
implements HTMLOptionElement
{
private static final long serialVersionUID = -4486774554137530907L;
public boolean getDefaultSelected()
{
// ! NOT FULLY IMPLEMENTED !
return getBinary( "default-selected" );
}
public void setDefaultSelected( boolean defaultSelected )
{
// ! NOT FULLY IMPLEMENTED !
setAttribute( "default-selected", defaultSelected );
}
public String getText()
{
Node child;
StringBuffer text = new StringBuffer();
// Find the Text nodes contained within this element and return their
// concatenated value. Required to go around comments, entities, etc.
child = getFirstChild();
while ( child != null )
{
if ( child instanceof Text ) {
text.append(( (Text) child ).getData());
}
child = child.getNextSibling();
}
return text.toString();
}
public void setText( String text )
{
Node child;
Node next;
// Delete all the nodes and replace them with a single Text node.
// This is the only approach that can handle comments and other nodes.
child = getFirstChild();
while ( child != null )
{
next = child.getNextSibling();
removeChild( child );
child = next;
}
insertBefore( getOwnerDocument().createTextNode( text ), getFirstChild() );
}
public int getIndex()
{
Node parent;
NodeList options;
int i;
// Locate the parent SELECT. Note that this OPTION might be inside a
// OPTGROUP inside the SELECT. Or it might not have a parent SELECT.
// Everything is possible. If no parent is found, return -1.
parent = getParentNode();
while ( parent != null && ! ( parent instanceof HTMLSelectElement ) )
parent = parent.getParentNode();
if ( parent != null )
{
// Use getElementsByTagName() which creates a snapshot of all the
// OPTION elements under the SELECT. Access to the returned NodeList
// is very fast and the snapshot solves many synchronization problems.
options = ( (HTMLElement) parent ).getElementsByTagName( "OPTION" );
for ( i = 0 ; i < options.getLength() ; ++i )
if ( options.item( i ) == this )
return i;
}
return -1;
}
public void setIndex( int index )
{
Node parent;
NodeList options;
Node item;
// Locate the parent SELECT. Note that this OPTION might be inside a
// OPTGROUP inside the SELECT. Or it might not have a parent SELECT.
// Everything is possible. If no parent is found, just return.
parent = getParentNode();
while ( parent != null && ! ( parent instanceof HTMLSelectElement ) )
parent = parent.getParentNode();
if ( parent != null )
{
// Use getElementsByTagName() which creates a snapshot of all the
// OPTION elements under the SELECT. Access to the returned NodeList
// is very fast and the snapshot solves many synchronization problems.
// Make sure this OPTION is not replacing itself.
options = ( (HTMLElement) parent ).getElementsByTagName( "OPTION" );
if ( options.item( index ) != this )
{
// Remove this OPTION from its parent. Place this OPTION right
// before indexed OPTION underneath it's direct parent (might
// be an OPTGROUP).
getParentNode().removeChild( this );
item = options.item( index );
item.getParentNode().insertBefore( this, item );
}
}
}
public boolean getDisabled()
{
return getBinary( "disabled" );
}
public void setDisabled( boolean disabled )
{
setAttribute( "disabled", disabled );
}
public String getLabel()
{
return capitalize( getAttribute( "label" ) );
}
public void setLabel( String label )
{
setAttribute( "label", label );
}
public boolean getSelected()
{
return getBinary( "selected" );
}
public void setSelected( boolean selected )
{
setAttribute( "selected", selected );
}
public String getValue()
{
return getAttribute( "value" );
}
public void setValue( String value )
{
setAttribute( "value", value );
}
/**
* Constructor requires owner document.
*
* @param owner The owner HTML document
*/
public HTMLOptionElementImpl( HTMLDocumentImpl owner, String name )
{
super( owner, name );
}
}
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