org.apache.commons.lang.UnhandledException Java Examples

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Example #1
Source File: ExprUtil.java    From antsdb with GNU Lesser General Public License v3.0 6 votes vote down vote up 
/**
    * <p>Unescapes any Java literals found in the <code>String</code>.
    * For example, it will turn a sequence of <code>'\'</code> and
    * <code>'n'</code> into a newline character, unless the <code>'\'</code>
    * is preceded by another <code>'\'</code>.</p>
    * 
    * @param str  the <code>String</code> to unescape, may be null
    * @return a new unescaped <code>String</code>, <code>null</code> if null string input
    */
public static String unescape(String str) {
       if (str == null) {
           return null;
       }
       try {
           StringWriter writer = new StringWriter(str.length());
           unescapeJava(writer, str);
           return writer.toString();
       } 
       catch (IOException ioe) {
           // this should never ever happen while writing to a StringWriter
           throw new UnhandledException(ioe);
       }
	
}