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AMPS Java client by 60East Technologies, Inc.
////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2010-2021 60East Technologies Inc., All Rights Reserved.
//
// This computer software is owned by 60East Technologies Inc. and is
// protected by U.S. copyright laws and other laws and by international
// treaties. This computer software is furnished by 60East Technologies
// Inc. pursuant to a written license agreement and may be used, copied,
// transmitted, and stored only in accordance with the terms of such
// license agreement and with the inclusion of the above copyright notice.
// This computer software or any other copies thereof may not be provided
// or otherwise made available to any other person.
//
// U.S. Government Restricted Rights. This computer software: (a) was
// developed at private expense and is in all respects the proprietary
// information of 60East Technologies Inc.; (b) was not developed with
// government funds; (c) is a trade secret of 60East Technologies Inc.
// for all purposes of the Freedom of Information Act; and (d) is a
// commercial item and thus, pursuant to Section 12.212 of the Federal
// Acquisition Regulations (FAR) and DFAR Supplement Section 227.7202,
// Government's use, duplication or disclosure of the computer software
// is subject to the restrictions set forth by 60East Technologies Inc..
//
////////////////////////////////////////////////////////////////////////////
package com.crankuptheamps.client.fields;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import com.crankuptheamps.client.Message;
import com.crankuptheamps.client.Message.Status;
/**
* Field data for a {@link Message} which consists of a status.
* This is the status of the Message. This status indicates the success or
* failure of the command being acknowleged.
*/
public class StatusField extends Field
{
protected static final Charset LATIN1 = StandardCharsets.ISO_8859_1;
protected static final byte LATIN1_ZERO = 48;
private static byte[] ST_SUCCESS = null;
private static byte[] ST_FAILURE = null;
private static byte[] ST_RETRY = null;
static
{
ST_SUCCESS = "success".getBytes(LATIN1);
ST_FAILURE = "failure".getBytes(LATIN1);
ST_RETRY = "retry".getBytes(LATIN1);
}
/**
* This returns the value of this status field as an integer status code.
* @return The value of this status field as an integer status code.
* @see com.crankuptheamps.client.Message.Status
*/
public int getValue()
{
if(this.buffer != null)
{
return decodeStatus(this.buffer, this.position, this.length);
}
return Status.None;
}
/**
* Sets the value of this status field using the specified status code integer.
* @param v The status code integer.
* @see com.crankuptheamps.client.Message.Status
*/
public void setValue(int v)
{
if(v == 0)
{
reset();
return;
}
switch (v)
{
case Status.Success:
set(ST_SUCCESS);
break;
case Status.Failure:
set(ST_FAILURE);
break;
case Status.Retry:
set(ST_RETRY);
break;
default:
reset();
break;
}
}
static final int decodeStatus(byte[] buffer, int pos, int len)
{
if(len == 7)
{
if(buffer[pos] == 's') return Message.Status.Success;
return Message.Status.Failure;
}
else if(len==5)
{
return Message.Status.Retry;
}
return Message.Status.None;
}
/**
* Utility method that takes a status code integer and returns the associated descriptive text.
* Returns "none" if the integer code is not known.
* @param s The status code integer to be encoded.
* @return The descriptive text status.
*/
static final public String encodeStatus(int s)
{
switch(s)
{
case Message.Status.Success:
return "success";
case Message.Status.Failure:
return "failure";
case Message.Status.Retry:
return "retry";
case Message.Status.None:
return "none";
default:
return "none";
}
}
}