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/*******************************************************************************
* Copyright (c) 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.command.internal.provisional.env.core.selection;
import java.util.Vector;
/**
* This is a Dynamic version of the SelectionListChoices class.
*/
public class DynamicList
{
private Vector stringList_ = new Vector();
private Vector dynamicListVectorList_ = new Vector();
/**
* Adds an entry into the dynamic list.
*
* @param values the string values that lead to the target.
* @param target the target.
*/
public void add( String[] values, Object target )
{
DynamicList currentList = this;
for( int index = 0; index < values.length; index++ )
{
String value = values[index];
int length = currentList.stringList_.size();
int foundIndex = -1;
// Find the string in the current list.
for( int searchIndex = 0; searchIndex < length; searchIndex++ )
{
String string = (String)currentList.stringList_.elementAt( searchIndex );
if( string.equals( value ) )
{
foundIndex = searchIndex;
break;
}
}
if( foundIndex == -1 )
{
// We have a new string so add it to the list.
currentList.stringList_.add( value );
currentList.dynamicListVectorList_.add( new DynamicList() );
foundIndex = length;
}
currentList = (DynamicList)currentList.dynamicListVectorList_.elementAt( foundIndex );
}
currentList.dynamicListVectorList_.add( target );
}
/**
*
* @return returns a SelectionListChoices object from this DynamicList
* object.
*/
public SelectionListChoices toListChoices()
{
SelectionList list = new SelectionList( (String[])stringList_.toArray( new String[0] ), 0);
int length = dynamicListVectorList_.size();
Vector vector = new Vector();
for( int index = 0; index < length; index++ )
{
Object obj = dynamicListVectorList_.elementAt(index);
if( obj instanceof DynamicList )
{
vector.add( ((DynamicList)obj).toListChoices() );
}
else
{
vector.add( obj );
}
}
return new SelectionListChoices( list, vector );
}
}
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