Android Phone Number Format formatPhone(String phone, String format)

Description

format Phone

Declaration

public static String formatPhone(String phone, String format) 

Method Source Code

//package com.java2s;

public class Main {
    public static String formatPhone(String phone) {
        return formatPhone(phone, null);
    }//from  ww  w  .jav  a 2 s . c  om

    public static String formatPhone(String phone, String format) {
        if (isNullOrEmpty(phone)) {
            return phone;
        }

        String s = "";
        char[] cs = getDigit(phone).toCharArray();
        int i = 0;

        if (isNullOrEmpty(format)) {
            if (cs[0] == '1') {
                format = "1 (ddd) ddd-dddd";
                i++;
            } else {
                format = "(ddd) ddd-dddd";
            }
        }

        for (char c : format.toCharArray()) {
            if (c == 'd') {
                s += cs[i++];

                if (i > cs.length - 1) {
                    break;
                }
            } else {
                s += c;
            }
        }

        return s;
    }

    public static boolean isNullOrEmpty(String input) {
        if (input == null) {
            return true;
        }

        return input.trim().isEmpty();
    }

    public static String getDigit(String input) {
        if (isNullOrEmpty(input)) {
            return input;
        }

        String s = "";
        for (char c : input.toCharArray()) {
            if (c >= '0' && c <= '9') {
                s += c;
            }
        }

        return s;
    }
}

Related

1. formatPhoneNumber(String phoneNumber)
2. formatPhoneNumber(String number)
3. formatPhoneNumber(String numberString)
4. formatPhone(String phone)