StringUtil.java

/******************************************************************************* 
 * Copyright (c) 2011 - 2012 Red Hat, Inc. 
 * Distributed under license by Red Hat, Inc. All rights reserved. 
 * This program is 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: 
 * Red Hat, Inc. - initial API and implementation 
 ******************************************************************************/

package org.jboss.tools.common.util;

/**
 * Miscellaneous String utility functions
 * 
 * @author Victor V. Rubezhny
 */
public class StringUtil {
	
	private static final char QUOT = '\"';
	private static final char APO = '\'';

	/**
	 * Cuts of the starting and ending quotes from a given text value
	 * 
	 * @param <code>text</code> - text to be trimmed
	 * @return trimmed version of <code>text</code>
	 * @throws <code>NullPointerException</code> - if <code>text</code> parameter is <code>null</code>
	 */
	public static String trimQuotes(String text) {
		String temp = text;
		if(!temp.isEmpty()) {
			int start = 0, end = text.length();
			final char first = text.charAt(start);
			final char last = text.charAt(end - 1);
			if (first == APO || first == QUOT) {
				start++;
			}
			if ((last == APO || last == QUOT) && end>1) {
				end--;
			}
			temp = text.substring(start, end);
		}
		return temp;
	}
}