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JCOGenericBytes.java

package edu.virtualschool.jco;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.Serializable;

public abstract class JCOGenericBytes implements Serializable
{
  final byte[] bytes;
  
  public JCOGenericBytes(byte[] bytes)
  {
    this.bytes = bytes;
  }
  JCOGenericBytes(Serializable object) throws JCOFault
  {
    try
    {
      ByteArrayOutputStream bos = new ByteArrayOutputStream();
      ObjectOutputStream oos = new ObjectOutputStream(bos);
      oos.writeObject(object);
      oos.close();
      this.bytes = bos.toByteArray();
    }
    catch (IOException e)
    {
      throw new JCOFault(e, e);
    }
  }
  public boolean equals(Object o)
  {
    if (o instanceof JCOGenericBytes)
    {
        JCOGenericBytes that = (JCOGenericBytes)o;
        return isEqualBytes(bytes, that.bytes);
    }
    else
      return o == this;
  }
  public final static boolean isEqualBytes(byte[] b1, byte[] b2)
  {
    if (b1.length != b2.length)
      return false;
      
    for (int i = 0; i < b1.length; i++)
      if (b1[i] != b2[i])
        return false;
    
    return true;
  }
  public int hashCode()
  {
    int hashCode = 0;
    for (int i = 0; i < bytes.length; i++)
        hashCode = 31*hashCode + bytes[i];
    return hashCode;
  }
  public final byte[] getBytes()
  {
    return bytes;
  }
  static final long serialVersionUID = -3017285087236141065L;
}