com.bazaarvoice.jolt.traversr.traversal.AutoExpandArrayTraversalStep Maven / Gradle / Ivy

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/*
 * Copyright 2013 Bazaarvoice, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.bazaarvoice.jolt.traversr.traversal;

import com.bazaarvoice.jolt.traversr.Traversr;
import com.bazaarvoice.jolt.traversr.TraversrException;

import java.util.List;

/**
 * Subclass of ArrayTraversalStep that does not care about array index numbers.
 * Instead it will just do an array add on any set.
 *
 * Consequently, get and remove are rather meaningless.
 *
 * This exists, because we need a way in the human readable path, so say that we
 *  always want a list value.
 *
 * Example : "tuna.marlin.[]"
 *   We want the value of marlin to always be a list, and anytime we set data
 *   to marlin, it should just be added to the list.
 */
public class AutoExpandArrayTraversalStep extends ArrayTraversalStep {

    public AutoExpandArrayTraversalStep( Traversr traversr, TraversalStep child ) {
        super( traversr, child );
    }

    @Override
    public Object get( List