/*************************************************************************
*
* ADOBE CONFIDENTIAL
* __________________
*
* Copyright 2002 - 2007 Adobe Systems Incorporated
* All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains
* the property of Adobe Systems Incorporated and its suppliers,
* if any. The intellectual and technical concepts contained
* herein are proprietary to Adobe Systems Incorporated
* and its suppliers and may be covered by U.S. and Foreign Patents,
* patents in process, and are protected by trade secret or copyright law.
* Dissemination of this information or reproduction of this material
* is strictly forbidden unless prior written permission is obtained
* from Adobe Systems Incorporated.
**************************************************************************/
package flex.messaging.io.amf;
import flex.messaging.io.SerializationContext;
import flex.messaging.io.TypeMarshallingContext;
/**
* Base class for Amf I/O.
* @exclude
*/
abstract class AmfIO
{
protected final SerializationContext context;
/*
* DEBUG LOGGING.
*/
protected boolean isDebug;
protected AmfTrace trace;
/*
* OPTIMIZATION.
*/
private char[] tempCharArray = null;
private byte[] tempByteArray = null;
AmfIO(SerializationContext context)
{
this.context = context;
}
/**
* Turns on "trace" debugging for AMF responses.
* @param trace the trace object
*/
public void setDebugTrace(AmfTrace trace)
{
this.trace = trace;
isDebug = this.trace != null;
}
/**
* Clear all object reference information so that the instance
* can be used to deserialize another data structure.
*
* Reset should be called before reading a top level object,
* such as a new header or a new body.
*/
public void reset()
{
TypeMarshallingContext marshallingContext = TypeMarshallingContext.getTypeMarshallingContext();
marshallingContext.reset();
}
/**
* Returns an existing array with a length of at least the specified
* capacity. This method is for optimization only. Do not use the array
* outside the context of this method and do not call this method again
* while the array is being used.
* @param capacity minimum length
* @return a character array
*/
final char[] getTempCharArray(int capacity)
{
char[] result = this.tempCharArray;
if ((result == null) || (result.length < capacity))
{
result = new char[capacity * 2];
tempCharArray = result;
}
return result;
}
/**
* Returns an existing array with a length of at least the specified
* capacity. This method is for optimization only. Do not use the array
* outside the context of this method and do not call this method again
* while the array is being used.
* @param capacity minimum length
* @return a byte array
*/
final byte[] getTempByteArray(int capacity)
{
byte[] result = this.tempByteArray;
if ((result == null) || (result.length < capacity))
{
result = new byte[capacity * 2];
tempByteArray = result;
}
return result;
}
}