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/*
 * Copyright (c) 2013, Francis Galiegue 
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Lesser GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * Lesser GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */

package com.github.fge.jsonschema.format.common;

import com.fasterxml.jackson.databind.JsonNode;
import com.github.fge.jsonschema.exceptions.ProcessingException;
import com.github.fge.jsonschema.format.AbstractFormatAttribute;
import com.github.fge.jsonschema.format.FormatAttribute;
import com.github.fge.jsonschema.processors.data.FullData;
import com.github.fge.jsonschema.report.ProcessingReport;
import com.github.fge.jsonschema.util.NodeType;
import com.google.common.net.InternetDomainName;

import static com.github.fge.jsonschema.messages.FormatMessages.*;

/**
 * Validator for the {@code host-name} format attribute.
 *
 * 

Important note: the basis for host name format validation is RFC 1034. The RFC does not * require that a host name have more than one domain name component. As * such, {@code foo} is a valid hostname.

* *

Guava's {@link InternetDomainName} is used for validation.

*/ public final class HostnameAttribute extends AbstractFormatAttribute { private static final FormatAttribute INSTANCE = new HostnameAttribute(); public static FormatAttribute getInstance() { return INSTANCE; } private HostnameAttribute() { super("host-name", NodeType.STRING); } @Override public void validate(final ProcessingReport report, final FullData data) throws ProcessingException { final JsonNode instance = data.getInstance().getNode(); try { InternetDomainName.from(instance.textValue()); } catch (IllegalArgumentException ignored) { report.error(newMsg(data, INVALID_HOSTNAME)); } } }




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