com.github.fge.jsonschema.format.common.HostnameAttribute Maven / Gradle / Ivy
/*
* 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));
}
}
}