com.github.fge.jsonschema.keyword.validator.common.EnumValidator.java Source code

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Here is the source code for com.github.fge.jsonschema.keyword.validator.common.EnumValidator.java

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/*
 * 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.common;

import com.fasterxml.jackson.databind.JsonNode;
import com.github.fge.jackson.JsonNumEquals;
import com.github.fge.jsonschema.core.exceptions.ProcessingException;
import com.github.fge.jsonschema.core.processing.Processor;
import com.github.fge.jsonschema.core.report.ProcessingReport;
import com.github.fge.jsonschema.keyword.validator.AbstractKeywordValidator;
import com.github.fge.jsonschema.processors.data.FullData;
import com.github.fge.msgsimple.bundle.MessageBundle;
import com.google.common.base.Equivalence;

/**
 * Keyword validator for {@code enum}
 *
 * @see JsonNumEquals
 */
public final class EnumValidator extends AbstractKeywordValidator {
    private static final Equivalence<JsonNode> EQUIVALENCE = JsonNumEquals.getInstance();

    private final JsonNode values;

    public EnumValidator(final JsonNode digest) {
        super("enum");

        values = digest.get(keyword);
    }

    @Override
    public void validate(final Processor<FullData, FullData> processor, final ProcessingReport report,
            final MessageBundle bundle, final FullData data) throws ProcessingException {
        final JsonNode node = data.getInstance().getNode();

        for (final JsonNode enumValue : values)
            if (EQUIVALENCE.equivalent(enumValue, node))
                return;

        report.error(newMsg(data, bundle, "err.common.enum.notInEnum").putArgument("value", node)
                .putArgument(keyword, values));
    }

    @Override
    public String toString() {
        return keyword + '(' + values.size() + " possible values)";
    }
}