/*
* 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.jbpm.identity.assignment;
/**
* chops an actor assignment expression into terms.
*/
public class TermTokenizer {
private String expression = null;
private int index = 0;
public TermTokenizer(String expression) {
this.expression = expression;
}
public boolean hasMoreTerms() {
return (index!=-1);
}
public String nextTerm() {
String term = null;
int startIndex = index;
index = expression.indexOf("-->", index);
if (index!=-1) {
term = expression.substring(startIndex, index).trim();
index+=3;
} else {
term = expression.substring(startIndex).trim();
}
return term;
}
}