Android Open Source - d8androidsdk Abstract Drupal Array Entity

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The source code is released under:
MIT License
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Java Source Code

/**
 * The MIT License (MIT)/* w  ww . j  av  a 2s.  com*/
 * Copyright (c) 2014 Lemberg Solutions Limited
 * 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 com.ls.drupal;

import org.jetbrains.annotations.NotNull;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

public abstract class AbstractDrupalArrayEntity<E> extends AbstractDrupalEntity implements Collection<E> {

  private transient final ArrayList<E> innerItems;

  public AbstractDrupalArrayEntity(DrupalClient client, int itemCount) {
    super(client);
    innerItems = new ArrayList<E>(itemCount);
  }

  @Override
  public boolean add(E object) {
    return innerItems.add(object);
  }

  @Override
  public boolean addAll(Collection<? extends E> collection) {
    return this.innerItems.addAll(collection);
  }

  @Override
  public void clear() {
    this.innerItems.clear();
  }

  @Override
  public boolean contains(Object object) {
    return innerItems.contains(object);
  }

  @Override
  public boolean containsAll(Collection<?> collection) {
    return innerItems.containsAll(collection);
  }

  @Override
  public boolean isEmpty() {
    return innerItems.isEmpty();
  }

  @Override
  public Iterator<E> iterator() {
    return innerItems.iterator();
  }

  @Override
  public boolean remove(Object object) {
    return innerItems.remove(object);
  }

  @Override
  public boolean removeAll(Collection<?> collection) {
    return innerItems.removeAll(collection);
  }

  @Override
  public boolean retainAll(Collection<?> collection) {
    return innerItems.retainAll(collection);
  }

  @Override
  public int size() {
    return innerItems.size();
  }

  @Override
  public Object[] toArray() {
    return innerItems.toArray();
  }

  @Override
  public <T> T[] toArray(T[] array) {
    return innerItems.toArray(array);
  }

  /**
   * Returns the element at the specified location in this list.
   *
   * @param index the index of the element to return.
   * @return the element at the specified index.
   */
  public E get(int index) {
    return innerItems.get(index);
  }

  /**
   * Replaces the element at the specified location in this ArrayList with the specified object.
   *
   * @return the previous element at the index.
   * @throws IndexOutOfBoundsException - when location < 0 || location >= size()
   */
  public E set(int index, E object) {
    return innerItems.set(index, object);
  }

  /**
   * Removes the object at the specified location from this list.
   *
   * @param index the index of the object to remove.
   * @return the removed object.
   * @throws IndexOutOfBoundsException - when location < 0 || location >= size()
   */
  public E remove(int index) {
    return innerItems.remove(index);
  }

  // Replacing this with items set

  @SuppressWarnings("null")
  @Override
  public
  @NotNull
  Object getManagedData() {
    return this.innerItems;
  }

  @Override
  protected void consumeObject(Object entity) {
    @SuppressWarnings("unchecked")
    E[] items = (E[]) entity;
    for (E item : items) {
      this.add(item);
    }
  }

  @Override
  protected Object getManagedDataClassSpecifier() {
    Class<?> itemsArrayClass = this.getClass();
    Type classType = null;

    while (classType == null) {
      if (itemsArrayClass.getSuperclass().equals(AbstractDrupalArrayEntity.class)) {
        classType = itemsArrayClass.getGenericSuperclass();
      }
      itemsArrayClass = itemsArrayClass.getSuperclass();
    }

    Type genericArgType = ((ParameterizedType) classType).getActualTypeArguments()[0];

    if (genericArgType instanceof Class) {
      Class<?> genericArgClass = (Class<?>) (genericArgType);
      @SuppressWarnings("unchecked")
      E[] array = (E[]) java.lang.reflect.Array.newInstance(genericArgClass, 0);
      return array.getClass();
    } else {
      throw new IllegalArgumentException(
          AbstractDrupalArrayEntity.class.getName() + " doesn't support RAW types deserialization");
    }
  }
}
Java Source Code List
