/**
* Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* 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.
*/
package com.liferay.portal.kernel.util;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
/**
* View Source
*
* @author Brian Wing Shun Chan
* @author Alysa Carver
*
*/
public class Validator {
public static boolean equals(String s1, String s2) {
if ((s1 == null) && (s2 == null)) {
return true;
}
else if ((s1 == null) || (s2 == null)) {
return false;
}
else {
return s1.equals(s2);
}
}
public static boolean isAddress(String address) {
if (isNull(address)) {
return false;
}
String[] tokens = address.split(StringPool.AT);
if (tokens.length != 2) {
return false;
}
for (int i = 0; i < tokens.length; i++) {
char[] c = tokens[i].toCharArray();
for (int j = 0; j < c.length; j++) {
if (Character.isWhitespace(c[j])) {
return false;
}
}
}
return true;
}
public static boolean isChar(char c) {
return Character.isLetter(c);
}
public static boolean isChar(String s) {
if (isNull(s)) {
return false;
}
char[] c = s.toCharArray();
for (int i = 0; i < c.length; i++) {
if (!isChar(c[i])) {
return false;
}
}
return true;
}
public static boolean isDigit(char c) {
int x = c;
if ((x >= 48) && (x <= 57)) {
return true;
}
return false;
}
public static boolean isDigit(String s) {
if (isNull(s)) {
return false;
}
char[] c = s.toCharArray();
for (int i = 0; i < c.length; i++) {
if (!isDigit(c[i])) {
return false;
}
}
return true;
}
public static boolean isHex(String s) {
if (isNull(s)) {
return false;
}
return true;
}
public static boolean isHTML(String s) {
if (isNull(s)) {
return false;
}
if (((s.indexOf("") != -1) || (s.indexOf("") != -1)) &&
((s.indexOf("") != -1) || (s.indexOf("") != -1))) {
return true;
}
return false;
}
public static boolean isLUHN(String number) {
if (number == null) {
return false;
}
number = StringUtil.reverse(number);
int total = 0;
for (int i = 0; i < number.length(); i++) {
int x = 0;
if (((i + 1) % 2) == 0) {
x = Integer.parseInt(number.substring(i, i + 1)) * 2;
if (x >= 10) {
String s = Integer.toString(x);
x = Integer.parseInt(s.substring(0, 1)) +
Integer.parseInt(s.substring(1, 2));
}
}
else {
x = Integer.parseInt(number.substring(i, i + 1));
}
total = total + x;
}
if ((total % 10) == 0) {
return true;
}
else {
return false;
}
}
public static boolean isDate(int month, int day, int year) {
return isGregorianDate(month, day, year);
}
public static boolean isGregorianDate(int month, int day, int year) {
if ((month < 0) || (month > 11)) {
return false;
}
int[] months = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
if (month == 1) {
int febMax = 28;
if (((year % 4) == 0) && ((year % 100) != 0) ||
((year % 400) == 0)) {
febMax = 29;
}
if ((day < 1) || (day > febMax)) {
return false;
}
}
else if ((day < 1) || (day > months[month])) {
return false;
}
return true;
}
public static boolean isJulianDate(int month, int day, int year) {
if ((month < 0) || (month > 11)) {
return false;
}
int[] months = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
if (month == 1) {
int febMax = 28;
if ((year % 4) == 0) {
febMax = 29;
}
if ((day < 1) || (day > febMax)) {
return false;
}
}
else if ((day < 1) || (day > months[month])) {
return false;
}
return true;
}
public static boolean isEmailAddress(String emailAddress) {
Boolean valid = null;
try {
valid = (Boolean)PortalClassInvoker.invoke(
"com.liferay.util.mail.InternetAddressUtil", "isValid",
emailAddress);
}
catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn(e);
}
}
if (valid == null) {
return false;
}
else {
return valid.booleanValue();
}
}
public static boolean isEmailAddressSpecialChar(char c) {
// LEP-1445
for (int i = 0; i < _EMAIL_ADDRESS_SPECIAL_CHAR.length; i++) {
if (c == _EMAIL_ADDRESS_SPECIAL_CHAR[i]) {
return true;
}
}
return false;
}
/**
* @deprecated Use isEmailAddress.
*/
public static boolean isValidEmailAddress(String ea) {
return isEmailAddress(ea);
}
public static boolean isName(String name) {
if (isNull(name)) {
return false;
}
char[] c = name.trim().toCharArray();
for (int i = 0; i < c.length; i++) {
if (((!isChar(c[i])) &&
(!Character.isWhitespace(c[i]))) ||
(c[i] == ',')) {
return false;
}
}
return true;
}
public static boolean isNumber(String number) {
if (isNull(number)) {
return false;
}
char[] c = number.toCharArray();
for (int i = 0; i < c.length; i++) {
if (!isDigit(c[i])) {
return false;
}
}
return true;
}
public static boolean isNull(Object obj) {
if (obj instanceof Long) {
return isNull((Long)obj);
}
else if (obj instanceof String) {
return isNull((String)obj);
}
else if (obj == null) {
return true;
}
else {
return false;
}
}
public static boolean isNull(Long l) {
if ((l == null) || l.longValue() == 0) {
return true;
}
else {
return false;
}
}
public static boolean isNull(String s) {
if (s == null) {
return true;
}
s = s.trim();
if ((s.equals(StringPool.NULL)) || (s.equals(StringPool.BLANK))) {
return true;
}
return false;
}
public static boolean isNull(Object[] array) {
if ((array == null) || (array.length == 0)) {
return true;
}
else {
return false;
}
}
public static boolean isNotNull(Object obj) {
return !isNull(obj);
}
public static boolean isNotNull(Long l) {
return !isNull(l);
}
public static boolean isNotNull(String s) {
return !isNull(s);
}
public static boolean isNotNull(Object[] array) {
return !isNull(array);
}
public static boolean isPassword(String password) {
if (isNull(password)) {
return false;
}
if (password.length() < 4) {
return false;
}
char[] c = password.toCharArray();
for (int i = 0; i < c.length; i++) {
if ((!isChar(c[i])) &&
(!isDigit(c[i]))) {
return false;
}
}
return true;
}
public static boolean isPhoneNumber(String phoneNumber) {
return isNumber(StringUtil.extractDigits(phoneNumber));
}
public static boolean isVariableTerm(String s) {
if (s.startsWith("[$") && s.endsWith("$]")) {
return true;
}
else {
return false;
}
}
public static boolean isIPAddress(String ip){
Pattern patt = Pattern.compile(ipv4);
Matcher mat = patt.matcher(ip);
return mat.matches();
}
private static String ipv4 = "\\b((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\b";
private static char[] _EMAIL_ADDRESS_SPECIAL_CHAR = new char[] {
'.', '!', '#', '$', '%', '&', '\'', '*', '+', '-', '/', '=', '?', '^',
'_', '`', '{', '|', '}', '~'
};
private static Log _log = LogFactoryUtil.getLog(Validator.class);
}