/**
* 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: XSDurationValidator.java,v 1.2 2008/06/25 05:53:07 qcheng Exp $
*
*/
package com.sun.identity.shared.validation;
import com.sun.identity.shared.DateUtils;
import java.text.ParseException;
import java.util.Iterator;
import java.util.Set;
/**
* Validator for <code>xs:duration</code> format.
* The validation of the cache duration is done based on the following:
* If the number of years, months, days, hours, minutes, or seconds in
* any expression equals zero, the number and its corresponding
* designator may be omitted. However, at least one number and its
* designator must be present.
* The seconds part may have a decimal fraction.
* The designator 'T' must be absent if and only if all of the
* time items are absent.
* The designator 'P' must always be present.
*/
public class XSDurationValidator
extends ValidatorBase
{
private static XSDurationValidator instance = new XSDurationValidator();
private static boolean debug = false;
private XSDurationValidator() {
}
/**
* Returns an instance of this validator.
*
* @return an instance of this validator.
*/
public static XSDurationValidator getInstance() {
return instance;
}
/* validate the cache duration string */
protected void performValidation(String strData)
throws ValidationException
{
// if the string is null or empty or less then 3 charactors
// then throw error
if ((strData == null) || (strData.trim().length() == 0)
|| (strData.trim().length() < 3)) {
throw new ValidationException(resourceBundleName, "errorCode4");
}
// expecting this format P1Y2M4DT9H8M20S
// first character should be a P
if (strData.charAt(0) != 'P') {
throw new ValidationException(resourceBundleName, "errorCode4");
}
// time data validation
String timeStr = null;
String dateStr = null;
if (strData.indexOf('T') != -1) {
// T without time elements H M S error
if (strData.charAt(strData.length()-1) == 'T' ) {
throw new ValidationException(resourceBundleName,"errorCode4");
}
int strIndex = strData.indexOf("T");
timeStr = strData.substring(strIndex+1,strData.length());
dateStr = strData.substring(1,strIndex);
} else {
// time elements without T not allowed.
if (strData.indexOf("H") != -1 || strData.indexOf("S") != -1) {
throw new ValidationException(resourceBundleName,"errorCode4");
}
dateStr = strData.substring(1);
}
int start = 0;
processTimeStr(timeStr);
processDateStr(dateStr);
return;
}
private int getIntegerValue(String strData, int start, int end)
throws ValidationException
{
int value = 0;
String str = strData.substring(start, end);
try {
value = Integer.parseInt(str);
if (value < 0) {
throw new ValidationException(resourceBundleName, "errorCode4");
}
} catch (NumberFormatException e) {
throw new ValidationException(resourceBundleName, "errorCode4");
}
return value;
}
private double getDoubleValue(String strData, int start, int end)
throws ValidationException
{
double value = 0;
String str = strData.substring(start, end);
try {
value = Double.parseDouble(str);
if (value < 0) {
throw new ValidationException(resourceBundleName, "errorCode4");
}
} catch (NumberFormatException e) {
throw new ValidationException(resourceBundleName, "errorCode4");
}
return value;
}
/* Process the Time String in the Duration */
private void processTimeStr(String timeStr) throws ValidationException {
if (timeStr != null) {
if ((timeStr.indexOf("Y") != -1) || (timeStr.indexOf("D") != -1)) {
throw new ValidationException(resourceBundleName, "errorCode4");
}
// Seconds should be preceded by a decimal number , if there
// is a "." then should have some number after it.
int idxH = timeStr.indexOf('H');
int idxM = timeStr.indexOf('M');
int idxS = timeStr.indexOf('S');
if ((idxH != -1) && ((idxM != -1 && idxM < idxH)
|| (idxS != -1 && idxS < idxH))) {
throw new ValidationException(resourceBundleName,"errorCode4");
}
if ((idxM != -1) && (idxS != -1 && idxS < idxM)) {
throw new ValidationException(resourceBundleName,"errorCode4");
}
int start=0;
if (idxH != -1) {
int a = getIntegerValue(timeStr,start,idxH);
idxM = timeStr.indexOf('M',idxH+1);
start = idxH+1;
}
if (idxM != -1) {
int b = getIntegerValue(timeStr,start,idxM);
idxS = timeStr.indexOf('S',idxM +1);
start = idxM + 1;
}
if (idxS != -1) {
if (timeStr.charAt(idxS-1) == '.') {
throw new ValidationException(
resourceBundleName, "errorCode4");
}
getDoubleValue(timeStr,start,idxS);
}
}
}
/* Process the Date String in the Duration */
private void processDateStr(String dateStr) throws ValidationException {
if (dateStr != null) {
if ((dateStr.indexOf("H") != 1) && (dateStr.indexOf("S") != -1)) {
throw new ValidationException(resourceBundleName,"errorCode4");
}
int idxY = dateStr.indexOf('Y');
int idxM = dateStr.indexOf('M');
int idxD = dateStr.indexOf('D');
if ((idxY != -1) && ((idxM != -1 && idxM < idxY)
|| (idxD != -1 && idxD < idxY))) {
throw new ValidationException(resourceBundleName,"errorCode4");
}
if ((idxM != -1) && (idxD != -1 && idxD < idxM)) {
throw new ValidationException(resourceBundleName,"errorCode4");
}
int start = 0;
if (idxY != -1) {
getIntegerValue(dateStr, start, idxY);
idxM = dateStr.indexOf('M',idxY+1);
start = idxY +1;
}
if (idxM != -1) {
getIntegerValue(dateStr,start,idxM);
idxD = dateStr.indexOf('D',idxM+1);
start = idxM + 1;
}
if (idxD != -1) {
getIntegerValue(dateStr, start, idxD);
}
}
return;
}
}