StringUtils.java revision 5c099afa7c9361afc2f4477fec0e3018588d7840
/**
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2006 Sun Microsystems Inc. All Rights Reserved
*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* https://opensso.dev.java.net/public/CDDLv1.0.html or
* opensso/legal/CDDLv1.0.txt
* See the License for the specific language governing
* permission and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at opensso/legal/CDDLv1.0.txt.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* $Id: StringUtils.java,v 1.3 2009/11/20 00:30:40 exu Exp $
*
*/
package com.sun.identity.shared;
/**
* This class provides string related helper methods.
*/
public class StringUtils {
// ampersand character '&'
public static final String AMPERSAND = "&";
// HTML escape code for character '&'
public static final String ESCAPE_AMPERSAND = "&";
// character '|' used as property value delimiter
public static final String PROPERTY_VALUE_DELIMITER = "|";
// HTML escape code for character '|'
public static final String ESCAPE_DELIMITER = "|";
private StringUtils() {
}
/**
* Returns substituted string.
*
* @param orig Original string.
* @param pattern String substitution matching pattern.
* @param str Substituting string.
* @return substituted string.
*/
public static String strReplaceAll(String orig, String pattern, String str){
return orig.replaceAll(pattern, str.replaceAll("[$]", "\\\\\\$"));
}
/**
* Returns special character escaped string.
*
* @param value original string.
* @return special character escaped string.
*/
public static String getEscapedValue(String value) {
if (value != null) {
return value.replaceAll(AMPERSAND, ESCAPE_AMPERSAND).replaceAll(
"\\" + PROPERTY_VALUE_DELIMITER, ESCAPE_DELIMITER);
}
return null;
}
/**
* Returns special character un-escaped string.
*
* @param value special character escaped string.
* @return un-escaped string.
*/
public static String getUnescapedValue(String value) {
if (value != null) {
return value.replaceAll(ESCAPE_DELIMITER, PROPERTY_VALUE_DELIMITER). replaceAll(ESCAPE_AMPERSAND, AMPERSAND);
}
return null;
}
}