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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.ow2.bonita.util;

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

/**
 * @author Tom Baeyens
 */
public abstract class StringUtil {

  @SuppressWarnings("unchecked")
  public static List tokenize(String text, String delimiter) {
    if (delimiter == null) {
    	String message = ExceptionManager.getInstance().getFullMessage("bp_SU_1");
      throw new BonitaRuntimeException(message);
    }
    if (text == null) {
      return Collections.EMPTY_LIST;
    }

    List pieces = new ArrayList();

    int start = 0;
    int end = text.indexOf(delimiter);
    while (end != -1) {
      pieces.add(text.substring(start, end));
      start = end + delimiter.length();
      end = text.indexOf(delimiter, start);
    }

    if (start < text.length()) {
      pieces.add(text.substring(start));
    }

    return pieces;
  }

}