ArrayAdapter.java

/*
 * Copyright © 2024 Indiana University
 * All rights reserved.
 *
 * BSD 3-Clause License
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * - Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * 
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * 
 * - Neither the name of the copyright holder nor the names of its
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 *   this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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package iu.client;

import java.util.Iterator;
import java.util.function.IntFunction;
import java.util.stream.StreamSupport;

import edu.iu.IuIterable;
import edu.iu.client.IuJsonAdapter;

/**
 * Adapts array values.
 * 
 * @param <C> component type
 */
public class ArrayAdapter<C> extends JsonArrayAdapter<C[], C> {

	private final IntFunction<C[]> factory;

	/**
	 * Constructor
	 * 
	 * @param itemAdapter item adapter
	 * @param factory     array factory
	 */
	protected ArrayAdapter(IuJsonAdapter<C> itemAdapter, IntFunction<C[]> factory) {
		super(itemAdapter);
		this.factory = factory;
	}

	@Override
	protected Iterator<C> iterator(C[] value) {
		return IuIterable.iter(value).iterator();
	}

	@Override
	protected C[] collect(Iterable<C> items) {
		return StreamSupport.stream(items.spliterator(), false).toArray(factory);
	}

}