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JBBP (Java Binary Block Parser) is a small lightweight framework to parse binary data in Java, it has own DSL to describe parsing data format

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/*
 * Copyright 2017 Igor Maznitsa.
 *
 * 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.igormaznitsa.jbbp.model;

import com.igormaznitsa.jbbp.compiler.JBBPNamedFieldInfo;
import com.igormaznitsa.jbbp.utils.JBBPUtils;

/**
 * Describes a short array.
 *
 * @since 1.0
 */
public final class JBBPFieldArrayShort extends JBBPAbstractArrayField implements JBBPNumericArray {
  private static final long serialVersionUID = 6119269534023759155L;
  /**
   * Inside value storage.
   */
  private final short[] array;

  /**
   * The Constructor.
   *
   * @param name  a field name info, it can be null.
   * @param array a value array, it must not be null
   */
  public JBBPFieldArrayShort(final JBBPNamedFieldInfo name, final short[] array) {
    super(name);
    JBBPUtils.assertNotNull(array, "Array must not be null");
    this.array = array;
  }

  /**
   * Get the value array.
   *
   * @return the value array as a short array
   */
  public short[] getArray() {
    return this.array.clone();
  }

  @Override
  public int size() {
    return this.array.length;
  }

  @Override
  public JBBPFieldShort getElementAt(final int index) {
    final JBBPFieldShort result = new JBBPFieldShort(this.fieldNameInfo, this.array[index]);
    result.payload = this.payload;
    return result;
  }

  @Override
  public int getAsInt(final int index) {
    return this.array[index];
  }

  @Override
  public long getAsLong(final int index) {
    return this.getAsInt(index);
  }

  @Override
  public boolean getAsBool(final int index) {
    return this.array[index] != 0;
  }

  @Override
  public Object getValueArrayAsObject(final boolean reverseBits) {
    final short[] result;
    if (reverseBits) {
      result = this.array.clone();
      for (int i = 0; i < result.length; i++) {
        result[i] = (short) JBBPFieldShort.reverseBits(result[i]);
      }
    } else {
      result = this.array.clone();
    }
    return result;
  }

  @Override
  public String getTypeAsString() {
    return "short " + '[' + this.array.length + ']';
  }
}