StringUtil.java Source code

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Here is the source code for StringUtil.java

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/*
 * The contents of this file are subject to the Sapient Public License
 * Version 1.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * http://carbon.sf.net/License.html.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 *
 * The Original Code is The Carbon Component Framework.
 *
 * The Initial Developer of the Original Code is Sapient Corporation
 *
 * Copyright (C) 2003 Sapient Corporation. All Rights Reserved.
 */

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;

/**
 * <p>Utilities for strings.</p>
 *
 *
 * Copyright 2002 Sapient
 * @since carbon 1.0
 * @author Greg Hinkle, May 2002
 * @version $Revision: 1.5 $($Author: dvoet $ / $Date: 2003/05/05 21:21:24 $)
 */
public class StringUtil {
    /**
     * <p>Removes specified chars from a string.</p>
     *
     * @param aString the string that will be examined to remove chars
     * @param unWantedCharArray the char array containing the chars
     * that should be removed from a string
     * @return the string after removing the specified chars
     */
    public static String removeCharsFromString(String aString, char[] unWantedCharArray) {

        Character character = null;

        // Store unwanted chars in a hashset
        Set unWantedCharSet = new HashSet();

        for (int i = 0; i < unWantedCharArray.length; i++) {
            character = new Character(unWantedCharArray[i]);
            unWantedCharSet.add(character);
        }

        // Create result String buffer
        StringBuffer result = new StringBuffer(aString.length());

        // For each character in aString, append it to the result string buffer
        // if it is not in unWantedCharSet
        for (int i = 0; i < aString.length(); i++) {
            character = new Character(aString.charAt(i));
            if (!unWantedCharSet.contains(character)) {
                result.append(aString.charAt(i));
            }
        }

        // Return result
        return result.toString();
    }
}