Returns the address prefixed with the corresponding value via regex - Java java.util.regex

Java examples for java.util.regex:Match Word

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Description

Returns the address prefixed with the corresponding value via regex

Demo Code


//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        String address = "java2s.com";
        System.out.println(addressWithPrefix(address));
    }/*from w w w  .  jav a 2  s  .  c  om*/

    private final static String REG_EX_PHONE = "(\\+?[1]-?)?[0-9]{3}-?[0-9]{3}-?[0-9]{4}";
    private final static String REG_EX_EMAIL = "[a-zA-Z]\\w+(.\\w+)*@\\w+(.[0-9a-zA-Z]+)*.[a-zA-Z]{2,4}";
    private final static String REG_EX_SHORT_CODE = "\\d{3,8}";
    private final static String PREFIX_PHONE = "tel:";
    private final static String PREFIX_EMAIL = "";
    private final static String PREFIX_SHORT_CODE = "short:";

    /**
     * Returns the address prefixed with the corresponding value:
     * - tel: if the address is a phone number
     * - short: if the address is a short code
     * - no prefix if the address is email 
     * @param address
     * @return {java.lang.String}
     * @method addressWithPrefix
     * @static
     */
    public static String addressWithPrefix(String address) {
        String ret = null;

        if (isPhone(address)) {
            ret = PREFIX_PHONE;
        }

        if (isShortCode(address)) {
            ret = PREFIX_SHORT_CODE;
        }

        if (isEmail(address)) {
            ret = PREFIX_EMAIL;
        }

        return ret + address;
    }

    /**
     * Determine if the given address is a valid phone number
     * @param address the address to validate
     * @return {Boolean} whether or not address is a valid phone number
     * @method isPhone
     * @static
     */
    public static boolean isPhone(String address) {
        return address != null && address.matches(REG_EX_PHONE);
    }

    /**
     * Determine if the given address is a valid email short code
     * @param address the address to validate
     * @return {Boolean} whether or not address is a valid short code
     * @method isShortCode
     * @static
     */
    public static boolean isShortCode(String address) {
        return address != null && address.matches(REG_EX_SHORT_CODE);
    }

    /**
     * Determine if the given address is a valid email address
     * @param address the address to validate
     * @return {Boolean} whether or not address is a valid email
     * @method isEmail
     * @static
     */
    public static boolean isEmail(String address) {
        return address != null && address.matches(REG_EX_EMAIL);
    }
}

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