Mega Code Archive
Validator for Zip code, Email, Phone number
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//package com.sybrix.easygsp.util;
import java.util.regex.Pattern;
/**
* Created by IntelliJ IDEA.
* User: dsmith
* Date: Apr 27, 2007
* Time: 6:47:36 PM
*
* this is not mine
*/
public class Validator {
private static final String sp = "\\!\\#\\$\\%\\&\\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~";
private static final String atext = "[a-zA-Z0-9" + sp + "]";
private static final String atom = atext + "+"; //one or more atext chars
private static final String dotAtom = "\\." + atom;
private static final String localPart = atom + "(" + dotAtom + ")*"; //one atom followed by 0 or more dotAtoms.
//RFC 1035 tokens for domain names:
private static final String letter = "[a-zA-Z]+$";
private static final String domainLetter = "[a-zA-Z]+";
private static final String letDig = "[a-zA-Z0-9]+$";
private static final String letDigHyp = "[a-zA-Z0-9-]+$";
private static final String digit = "[0-9]";
public static final String rfcLabel = "[a-zA-Z0-9]+" + "[a-zA-Z0-9-]+" + "{0,61}" + "[a-zA-Z0-9]+";
private static final String domain = rfcLabel + "(\\." + rfcLabel + ")*\\." + domainLetter + "{2,6}";
//Combined together, these form the allowed email regexp allowed by RFC 2822:
private static final String addrSpec = "^" + localPart + "@" + domain + "$";
//now compile it:
public static final Pattern EMAIL_PATTERN = Pattern.compile(addrSpec);
public static final String phoneNumberRegEx = "(\\d-)?(\\d{3}-)?\\d{3}-\\d{4}";
public static final Pattern PHONE_PATTERN = Pattern.compile(phoneNumberRegEx);
public static final String zipCodeRegEx = "\\d{5}(-\\d{4})?";
public static final Pattern ZIPCODE_PATTERN = Pattern.compile(zipCodeRegEx);
public static final Pattern ALPHA_NUMERIC_PATTERN = Pattern.compile(letDig);
public static final Pattern LETTERS_PATTERN = Pattern.compile(letter);
public static final Pattern DIGIT_PATTERN = Pattern.compile("(\\d+?)");
public static boolean isEmpty(Object value) {
if (value == null) {
return true;
} else if (value.toString().trim().length() == 0) {
return true;
}
return false;
}
public static boolean isEmailValid(String value) {
return EMAIL_PATTERN.matcher(value).matches();
}
public static boolean isNumeric(String value) {
if (value == null)
return false;
return DIGIT_PATTERN.matcher(value).matches();
}
public static boolean isLettersOnly(String value) {
if (value == null)
return false;
return LETTERS_PATTERN.matcher(value).matches();
}
public static boolean isAlphaNumeric(String value) {
return ALPHA_NUMERIC_PATTERN.matcher(value).matches();
}
public static boolean isValidPhone(String value) {
return PHONE_PATTERN.matcher(value).matches();
}
public static boolean isZipCodeValid(String value) {
return ZIPCODE_PATTERN.matcher(value).matches();
}
public static boolean matches(String value1, String value2) {
try {
if (value1 == null || value2 == null) {
return false;
} else if (value1.trim().length() == 0 || value2.trim().length() == 0) {
return false;
} else {
return value1.equals(value2);
}
} catch (Exception e) {
return false;
}
}
/**
* Returns -1 if too short, 1 if too long, else 0 if ok
*
* @param value value to measure
* @param min - Minimum string length(must be greater than)
* @param max - Maximum string length (cannot be greater than)
* @return -1 if too short, 1 if too long, else 0 if ok
*/
public static int lengthMinMax(String value, int min, int max) {
if (null == value) {
return -1;
} else if (value.trim().length() < min) {
return -1;
} else if (value.trim().length() > max) {
return 1;
} else {
return 0;
}
}
public static boolean isTooShort(String value, int min) {
if (null == value) {
return true;
} else if (value.trim().length() < min) {
return true;
} else {
return false;
}
}
public static boolean isTooLong(String value, int max) {
if (null == value) {
return false;
} else if (value.trim().length() > max) {
return true;
} else {
return false;
}
}
// public static boolean isCreditCardValid(Object value) {
// return true;
// }
//
// public static boolean isValidUrlValid(Object value) {
// return true;
// }
public static String escapeXML(String s){
return s.replaceAll("&", "&").replaceAll("<", "<").replaceAll(">", ">");
}
}
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