content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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
   *
   *     https://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 org.apache.avro.reflect;
  
  import java.io.IOException;
  import java.util.Arrays;
  
  import org.apache.avro.io.Encoder;
  import org.apache.avro.io.ResolvingDecoder;
  
  /**
   * Helper class to provide native array access whenever possible. It is much
   * faster than using reflection-based operations on arrays.
   */
  class ArrayAccessor {
  
    static void writeArray(boolean[] data, Encoder out) throws IOException {
      int size = data.length;
      out.setItemCount(size);
      for (boolean datum : data) {
        out.startItem();
        out.writeBoolean(datum);
      }
    }
  
    // short, and char arrays are upcast to avro int
  
    static void writeArray(short[] data, Encoder out) throws IOException {
      int size = data.length;
      out.setItemCount(size);
      for (short datum : data) {
        out.startItem();
        out.writeInt(datum);
      }
    }
  
    static void writeArray(char[] data, Encoder out) throws IOException {
      int size = data.length;
      out.setItemCount(size);
      for (char datum : data) {
        out.startItem();
        out.writeInt(datum);
      }
    }
  
    static void writeArray(int[] data, Encoder out) throws IOException {
      int size = data.length;
      out.setItemCount(size);
      for (int datum : data) {
        out.startItem();
        out.writeInt(datum);
      }
    }
  
    static void writeArray(long[] data, Encoder out) throws IOException {
      int size = data.length;
      out.setItemCount(size);
      for (long datum : data) {
        out.startItem();
        out.writeLong(datum);
      }
    }
  
    static void writeArray(float[] data, Encoder out) throws IOException {
      int size = data.length;
      out.setItemCount(size);
      for (float datum : data) {
        out.startItem();
        out.writeFloat(datum);
      }
    }
  
    static void writeArray(double[] data, Encoder out) throws IOException {
      int size = data.length;
      out.setItemCount(size);
      for (double datum : data) {
        out.startItem();
        out.writeDouble(datum);
      }
    }
  
    static Object readArray(Object array, Class<?> elementType, long l, ResolvingDecoder in) throws IOException {
      if (elementType == int.class)
        return readArray((int[]) array, l, in);
      if (elementType == long.class)
        return readArray((long[]) array, l, in);
      if (elementType == float.class)
        return readArray((float[]) array, l, in);
      if (elementType == double.class)
        return readArray((double[]) array, l, in);
      if (elementType == boolean.class)
        return readArray((boolean[]) array, l, in);
      if (elementType == char.class)
        return readArray((char[]) array, l, in);
      if (elementType == short.class)
        return readArray((short[]) array, l, in);
      return null;
    }
  
    static boolean[] readArray(boolean[] array, long l, ResolvingDecoder in) throws IOException {
      int index = 0;
      do {
        int limit = index + (int) l;
        if (array.length < limit) {
          array = Arrays.copyOf(array, limit);
        }
        while (index < limit) {
          array[index] = in.readBoolean();
          index++;
        }
      } while ((l = in.arrayNext()) > 0);
      return array;
    }
  
    static int[] readArray(int[] array, long l, ResolvingDecoder in) throws IOException {
      int index = 0;
      do {
        int limit = index + (int) l;
        if (array.length < limit) {
          array = Arrays.copyOf(array, limit);
        }
        while (index < limit) {
          array[index] = in.readInt();
          index++;
        }
      } while ((l = in.arrayNext()) > 0);
      return array;
    }
  
    static short[] readArray(short[] array, long l, ResolvingDecoder in) throws IOException {
      int index = 0;
      do {
        int limit = index + (int) l;
        if (array.length < limit) {
          array = Arrays.copyOf(array, limit);
        }
        while (index < limit) {
          array[index] = (short) in.readInt();
          index++;
        }
      } while ((l = in.arrayNext()) > 0);
      return array;
    }
  
    static char[] readArray(char[] array, long l, ResolvingDecoder in) throws IOException {
      int index = 0;
      do {
        int limit = index + (int) l;
        if (array.length < limit) {
          array = Arrays.copyOf(array, limit);
        }
        while (index < limit) {
          array[index] = (char) in.readInt();
          index++;
        }
      } while ((l = in.arrayNext()) > 0);
      return array;
    }
  
    static long[] readArray(long[] array, long l, ResolvingDecoder in) throws IOException {
      int index = 0;
      do {
        int limit = index + (int) l;
        if (array.length < limit) {
          array = Arrays.copyOf(array, limit);
        }
        while (index < limit) {
          array[index] = in.readLong();
          index++;
        }
      } while ((l = in.arrayNext()) > 0);
      return array;
    }
  
    static float[] readArray(float[] array, long l, ResolvingDecoder in) throws IOException {
      int index = 0;
      do {
        int limit = index + (int) l;
        if (array.length < limit) {
          array = Arrays.copyOf(array, limit);
        }
        while (index < limit) {
          array[index] = in.readFloat();
          index++;
        }
      } while ((l = in.arrayNext()) > 0);
      return array;
    }
  
    static double[] readArray(double[] array, long l, ResolvingDecoder in) throws IOException {
      int index = 0;
      do {
        int limit = index + (int) l;
        if (array.length < limit) {
          array = Arrays.copyOf(array, limit);
        }
        while (index < limit) {
          array[index] = in.readDouble();
          index++;
        }
      } while ((l = in.arrayNext()) > 0);
      return array;
    }
  
  }
  