com.spun.util.PhoneNumber Maven / Gradle / Ivy
package com.spun.util;
/**
* Phone number validation, and formatter.
* this class is immutable.
**/
public class PhoneNumber
{
public static final int USA = 0;
public static final String[] COUNTRY_CODES = {"1",
"20",
"212",
"213",
"216",
"218",
"220",
"221",
"222",
"223",
"224",
"225",
"226",
"227",
"228",
"229",
"230",
"231",
"232",
"233",
"234",
"235",
"236",
"237",
"238",
"239",
"240",
"241",
"242",
"243",
"244",
"245",
"246",
"247",
"248",
"249",
"250",
"251",
"252",
"253",
"254",
"255",
"256",
"257",
"258",
"260",
"261",
"262",
"263",
"264",
"265",
"266",
"267",
"268",
"269",
"27",
"290",
"291",
"297",
"298",
"299",
"30",
"31",
"32",
"33",
"34",
"350",
"351",
"352",
"353",
"354",
"355",
"356",
"357",
"358",
"359",
"36",
"370",
"371",
"372",
"373",
"374",
"375",
"376",
"377",
"378",
"380",
"381",
"385",
"386",
"387",
"389",
"39",
"40",
"41",
"420",
"421",
"423",
"43",
"44",
"45",
"46",
"47",
"48",
"49",
"500",
"501",
"502",
"503",
"504",
"505",
"506",
"507",
"508",
"509",
"51",
"52",
"53",
"5399",
"54",
"55",
"56",
"57",
"58",
"590",
"591",
"592",
"593",
"594",
"595",
"596",
"597",
"598",
"599",
"60",
"61",
"618",
"62",
"63",
"64",
"65",
"66",
"670",
"672",
"673",
"674",
"675",
"676",
"677",
"678",
"679",
"680",
"681",
"682",
"683",
"684",
"685",
"686",
"687",
"688",
"689",
"690",
"691",
"692",
"7",
"808",
"81",
"82",
"84",
"850",
"852",
"853",
"855",
"856",
"86",
"870",
"871",
"872",
"873",
"874",
"878",
"880",
"881",
"8816",
"8817",
"88213",
"88216",
"886",
"90",
"91",
"92",
"93",
"94",
"95",
"960",
"961",
"962",
"963",
"964",
"965",
"966",
"967",
"968",
"970",
"971",
"972",
"973",
"974",
"975",
"976",
"977",
"98",
"992",
"993",
"994",
"995",
"996",
"998"};
private static final String[] REASONS = {"Phone Number Too Long or Too Short",
"US Number must be length 10",
"Unknown Country Code"};
/** The original value. */
private String originalValue = null;
private int countryCode = USA;
private String strippedValue = null;
private String invalidReason = null;
private int nonValidCountryCode = 0;
public PhoneNumber(String originalValue)
{
originalValue = StringUtils.loadNullableString(originalValue);
this.originalValue = originalValue;
if (this.originalValue == null)
{ return; }
this.strippedValue = stripPhoneNumber(this.originalValue);
this.countryCode = getCountryCode(strippedValue);
this.invalidReason = validate(countryCode, strippedValue);
if (invalidReason != null)
{
nonValidCountryCode = countryCode;
countryCode = -1;
}
}
private static String stripPhoneNumber(String number)
{
if (number == null)
{ return null; }
boolean xAppended = false;
StringBuffer result = new StringBuffer();
for (int i = 0; i < number.length(); i++)
{
char c = number.charAt(i);
switch (c)
{
case '0' :
case '1' :
case '2' :
case '3' :
case '4' :
case '5' :
case '6' :
case '7' :
case '8' :
case '9' :
result.append(c);
break;
case '+' :
if (result.length() == 0)
{
result.append(c);
}
break;
case 'X' :
case 'x' : {
if (!xAppended)
{
result.append('x');
xAppended = true;
}
break;
}
default :
break;
}
}
char c = result.length() == 0 ? ' ' : result.charAt(0);
switch (c)
{
case '+' :
break; // do nothing
case '1' :
result.insert(0, "+");
break; // insert a 1
default :
result.insert(0, "+1"); // if neither insert a +1
}
return result.toString();
}
private static int getCountryCode(String strippedNumber)
{
String alt = strippedNumber.substring(1);
for (int i = 0; i < COUNTRY_CODES.length; i++)
{
String code = COUNTRY_CODES[i];
if (alt.startsWith(code))
{ return i; }
}
return -1;
}
private static String validate(int countryCode, String stripedNumber)
{
return (countryCode == USA)
? validateNorthAmerican(countryCode, stripedNumber)
: validateInternational(countryCode, stripedNumber);
}
private static String validateInternational(int countryCode, String strippedNumber)
{
if (countryCode == -1)
return "Invalid country code";
String body = extractPhoneBody(countryCode, strippedNumber);
String prefix = COUNTRY_CODES[countryCode];
int nl = prefix.length() + body.length();
return (nl > 15) || (nl < 9) ? REASONS[0] : null;
}
private static String validateNorthAmerican(int countryCode, String strippedNumber)
{
if (countryCode != USA)
return "Invalid country code";
String body = extractPhoneBody(countryCode, strippedNumber);
return (body.length() != 10) ? REASONS[0] : null;
}
private static String extractPhoneBody(int countryCode, String strippedNumber)
{
if (countryCode == -1)
throw new IllegalArgumentException("Invalid country code");
String prefix = "+" + COUNTRY_CODES[countryCode];
String body = strippedNumber.substring(prefix.length());
int indexOfExt = body.indexOf('x');
if (indexOfExt > -1)
{
body = body.substring(0, indexOfExt);
}
return body;
}
public String getValue()
{
if (isValid() && strippedValue != null)
{
return (isNorthAmericanNumber()) ? getValueAsNorthAmerican() : getValueAsInternational();
}
else
{
return originalValue;
}
}
public String getValueAsUps()
{
return getValueAsUps(countryCode, this.strippedValue);
}
private static String getValueAsUps(int countryCode, String strippedNumber)
{
if (strippedNumber == null)
{ return null; }
if (countryCode < 0)
{ throw new IllegalArgumentException("# '" + strippedNumber + "' is not an international number"); }
String body = extractPhoneBody(countryCode, strippedNumber);
String prefix = COUNTRY_CODES[countryCode];
if (countryCode == USA)
{
return body;
}
else
{
return prefix + body;
}
}
private static String getValueAsNorthAmerican(int countryCode, String stripped)
{
if (countryCode != USA)
throw new IllegalArgumentException("# '" + stripped + "' is not a NorthAmerican number");
StringBuffer number = new StringBuffer(stripped.substring(2));
number.insert(6, "-");
number.insert(3, ")");
number.insert(0, "(");
return number.toString();
}
private static String getValueAsInternational(int countryCode, String stripped)
{
if (stripped == null)
{ return null; }
if (countryCode < USA)
{ throw new IllegalArgumentException("# '" + stripped + "' is not an international number"); }
StringBuffer number = new StringBuffer(stripped);
int intlLength = COUNTRY_CODES[countryCode].length() + 1;
int bodyLength = extractPhoneBody(countryCode, stripped).length();
if (bodyLength > 6)
{
number.insert(intlLength + 6, ".");
}
if (bodyLength > 3)
{
number.insert(intlLength + 3, ".");
}
number.insert(intlLength, ".");
return number.toString();
}
public String getValueAsNorthAmerican()
{
return getValueAsNorthAmerican(this.countryCode, this.strippedValue);
}
public String getValueAsInternational()
{
return getValueAsInternational(this.countryCode, this.strippedValue);
}
public String getPartiallyFormattedAsInternational()
{
return getValueAsInternational(this.nonValidCountryCode, this.strippedValue);
}
public boolean isValid()
{
return (this.invalidReason == null);
}
public String getInvalidReason()
{
return this.invalidReason;
}
public boolean isNorthAmericanNumber()
{
return this.countryCode == USA;
}
public String getOriginalText()
{
return originalValue;
}
public String toString()
{
return getValue();
}
public Country getCountry()
{
return Country.UnitedStates;
}
}
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