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  * Copyright (c) 2014, Francis Galiegue (
  * This software is dual-licensed under:
  * - the Lesser General Public License (LGPL) version 3.0 or, at your option, any
  *   later version;
  * - the Apache Software License (ASL) version 2.0.
 * The text of this file and of both licenses is available at the root of this
 * project or, if you have the jar distribution, in directory META-INF/, under
 * the names LGPL-3.0.txt and ASL-2.0.txt respectively.
 * Direct link to the sources:
 * - LGPL 3.0:
 * - ASL 2.0:
package com.github.fge.jsonschema.format.draftv3;
Attempt to validate the phone format attribute.

The draft says the phone MAY match E.123. Quite vague. Here we use Google's libphonenumber as it is a library specialized in phone number recognition.

It will only chek if this is a potential phone number, not whether it is actually valid for your country! If you really want that, you will probably want to write your own com.github.fge.jsonschema.format.FormatAttribute.

//TODO: more tests?
public final class PhoneAttribute
    extends AbstractFormatAttribute
    private static final PhoneNumberUtil PARSER = PhoneNumberUtil.getInstance();
    private static final FormatAttribute INSTANCE = new PhoneAttribute();
    public static FormatAttribute getInstance()
        return ;
    private PhoneAttribute()
    public void validate(final ProcessingReport report,
        final MessageBundle bundlefinal FullData data)
        throws ProcessingException
        final String input = data.getInstance().getNode().textValue();
         * The libphonenumber API doc says that no matter what region you put
         * when validating national phone numbers, the number is not actually
         * considered valid for a specific country without further
         * verifications. International phone numbers MUST start with a
         * "+" however, this is a constant.
         * So, this is the only switching point: if it starts with a "+",
         * check with the "no zone" specification, otherwise check with any
         * country code.
        try {
            if (input.startsWith("+"))
        } catch (NumberParseException ignored) {
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