/*
* Copyright (c) 2014, Francis Galiegue (fgaliegue@gmail.com)
*
* 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: https://www.gnu.org/licenses/lgpl-3.0.txt
* - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
*/
package com.github.fge.jsonschema.keyword.validator.helpers;
import com.fasterxml.jackson.databind.JsonNode;
import com.github.fge.jsonschema.core.exceptions.ProcessingException;
import com.github.fge.jsonschema.core.report.ProcessingReport;
import com.github.fge.jsonschema.processors.data.FullData;
import com.github.fge.msgsimple.bundle.MessageBundle;
import java.math.BigDecimal;
/**
* Helper keyword validator for draft v4's {@code multipleOf} and draft v3's
* {@code divisibleBy}
*/
public abstract class DivisorValidator
extends NumericValidator
{
protected DivisorValidator(final String keyword, final JsonNode digest)
{
super(keyword, digest);
}
@Override
protected final void validateLong(final ProcessingReport report,
final MessageBundle bundle, final FullData data)
throws ProcessingException
{
final JsonNode node = data.getInstance().getNode();
final long instanceValue = node.longValue();
final long longValue = number.longValue();
final long remainder = instanceValue % longValue;
if (remainder == 0L)
return;
report.error(newMsg(data, bundle, "err.common.divisor.nonZeroRemainder")
.putArgument("value", node).putArgument("divisor", number));
}
@Override
protected final void validateDecimal(final ProcessingReport report,
final MessageBundle bundle, final FullData data)
throws ProcessingException
{
final JsonNode node = data.getInstance().getNode();
final BigDecimal instanceValue = node.decimalValue();
final BigDecimal decimalValue = number.decimalValue();
final BigDecimal remainder = instanceValue.remainder(decimalValue);
/*
* We cannot use equality! As far as BigDecimal goes,
* "0" and "0.0" are NOT equal. But .compareTo() returns the correct
* result.
*/
if (remainder.compareTo(BigDecimal.ZERO) == 0)
return;
report.error(newMsg(data, bundle, "err.common.divisor.nonZeroRemainder")
.putArgument("value", node).putArgument("divisor", number));
}
}