com.github.fge.jsonschema.processing.validation.ArraySchemaSelector Maven / Gradle / Ivy

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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.processing.validation;

import com.fasterxml.jackson.databind.JsonNode;
import com.github.fge.jsonschema.ref.JsonPointer;
import com.google.common.collect.ImmutableList;

import java.util.Collections;

final class ArraySchemaSelector
{
    private static final JsonPointer ITEMS
        = JsonPointer.empty().append("items");
    private static final JsonPointer ADDITIONAL_ITEMS
        = JsonPointer.empty().append("additionalItems");

    private final boolean hasItems;
    private final boolean itemsIsArray;
    private final int itemsSize;
    private final boolean hasAdditional;

    ArraySchemaSelector(final JsonNode digest)
    {
        hasItems = digest.get("hasItems").booleanValue();
        itemsIsArray = digest.get("itemsIsArray").booleanValue();
        itemsSize = digest.get("itemsSize").intValue();
        hasAdditional = digest.get("hasAdditional").booleanValue();
    }

    Iterable selectSchemas(final int index)
    {
        if (!hasItems)
            return hasAdditional
                ? ImmutableList.of(ADDITIONAL_ITEMS)
                : Collections.emptyList();

        if (!itemsIsArray)
            return ImmutableList.of(ITEMS);

        if (index < itemsSize)
            return ImmutableList.of(ITEMS.append(index));

        return hasAdditional
            ? ImmutableList.of(ADDITIONAL_ITEMS)
            : Collections.emptyList();
    }
}