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/**********************************************************************************
*
* Copyright (c) 2003, 2004 The Regents of the University of Michigan, Trustees of Indiana University,
* Board of Trustees of the Leland Stanford, Jr., University, and The MIT Corporation
*
* Licensed under the Educational Community License Version 1.0 (the "License");
* By obtaining, using and/or copying this Original Work, you agree that you have read,
* understand, and will comply with the terms and conditions of the Educational Community License.
* You may obtain a copy of the License at:
*
* http://cvs.sakaiproject.org/licenses/license_1_0.html
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**********************************************************************************/
public class Utils {
/**
* Trim specified charcater from front of string
*
* @param text
* Text
* @param character
* Character to remove
* @return Trimmed text
*/
public static String trimFront(String text, char character) {
String normalizedText;
int index;
if (StringUtils.isNull(text)) {
return text;
}
normalizedText = text.trim();
index = 0;
while (normalizedText.charAt(index) == character) {
index++;
}
return normalizedText.substring(index).trim();
}
/**
* Trim specified charcater from end of string
*
* @param text
* Text
* @param character
* Character to remove
* @return Trimmed text
*/
public static String trimEnd(String text, char character) {
String normalizedText;
int index;
if (StringUtils.isNull(text)) {
return text;
}
normalizedText = text.trim();
index = normalizedText.length() - 1;
while (normalizedText.charAt(index) == character) {
if (--index < 0) {
return "";
}
}
return normalizedText.substring(0, index + 1).trim();
}
/**
* Trim specified charcater from both ends of a String
*
* @param text
* Text
* @param character
* Character to remove
* @return Trimmed text
*/
public static String trimAll(String text, char character) {
String normalizedText = trimFront(text, character);
return trimEnd(normalizedText, character);
}
}
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