/**
 * Copyright (c) 2002-2011 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.release.it.poja.internal;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.neo4j.release.it.poja.ExampleService;

/**
 * Internal implementation of our example OSGi service
 */
public final class ExampleServiceImpl
    implements ExampleService
{
    // implementation methods go here...

    public String scramble( String text )
    {
        List charList = new ArrayList();

        char[] textChars = text.toCharArray();
        for( int i = 0; i < textChars.length; i++ )
        {
            charList.add( new Character( textChars[i] ) );
        }

        Collections.shuffle( charList );

        char[] mixedChars = new char[text.length()];
        for( int i = 0; i < mixedChars.length; i++ )
        {
            mixedChars[i] = ( (Character) charList.get( i ) ).charValue();
        }

        return new String( mixedChars );
    }
}