la.alsocan.jsonshapeshifter.bindings.ArrayConstantBinding.java Source code

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Here is the source code for la.alsocan.jsonshapeshifter.bindings.ArrayConstantBinding.java

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/*
 * The MIT License
 *
 * Copyright 2014 Florian Poulin - https://github.com/fpoulin.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package la.alsocan.jsonshapeshifter.bindings;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.NullNode;
import java.util.Iterator;
import java.util.List;

/**
 * @author Florian Poulin - https://github.com/fpoulin
 */
public class ArrayConstantBinding extends Binding<Iterator<JsonNode>> {

    private final int nbIterations;

    public ArrayConstantBinding(int nbIterations) {
        this.nbIterations = nbIterations;
    }

    @Override
    public Iterator<JsonNode> getValue(JsonNode payload, List<Integer> context) {
        return new Iterator<JsonNode>() {

            private int count = 0;

            @Override
            public boolean hasNext() {
                return count < nbIterations;
            }

            @Override
            public JsonNode next() {
                count++;
                return NullNode.instance;
            }
        };
    }
}