com.github.arven.rest.schema.AlphabeticalOrderDigester.java Source code

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Here is the source code for com.github.arven.rest.schema.AlphabeticalOrderDigester.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.arven.rest.schema;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.github.fge.jackson.NodeType;
import com.github.fge.jsonschema.keyword.digest.AbstractDigester;
import com.github.fge.jsonschema.keyword.digest.Digester;

/**
 * A digester only returning the node associated with the keyword
 *
 * <p>As with all digesters, however, you are required to specify what types
 * this keyword supports.</p>
 */
public final class AlphabeticalOrderDigester extends AbstractDigester {
    private static final Digester INSTANCE = new AlphabeticalOrderDigester();

    public static Digester getInstance() {
        return INSTANCE;
    }

    private AlphabeticalOrderDigester() {
        super("x-in-alphabetical-order", NodeType.OBJECT);
    }

    @Override
    public JsonNode digest(final JsonNode schema) {
        final ObjectNode ret = FACTORY.objectNode();
        ret.put(keyword, schema.get(keyword));
        return ret;
    }
}