gov.nist.javax.sip.stack.ByteBufferFactory Maven / Gradle / Ivy
/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain. As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY. NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
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*
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*/
package gov.nist.javax.sip.stack;
import gov.nist.core.CommonLogger;
import gov.nist.core.LogWriter;
import gov.nist.core.StackLogger;
import java.nio.ByteBuffer;
/**
* Contributed by Alexander Saveliev, Avistar Communications for Issue http://java.net/jira/browse/JSIP-430
* Allows to choose between direct vs non direct buffers
*
*/
public class ByteBufferFactory {
private static StackLogger logger = CommonLogger.getLogger(ByteBufferFactory.class);
private static ByteBufferFactory instance = new ByteBufferFactory();
private boolean useDirect = true;
public static ByteBufferFactory getInstance() {
return instance;
}
public ByteBuffer allocateDirect(int capacity) {
if (logger.isLoggingEnabled(LogWriter.TRACE_DEBUG))
logger.logTrace("Allocating direct buffer " + capacity);
return useDirect ? ByteBuffer.allocateDirect(capacity) : ByteBuffer.allocate(capacity);
}
public ByteBuffer allocate(int capacity) {
if (logger.isLoggingEnabled(LogWriter.TRACE_DEBUG))
logger.logTrace("Allocating buffer " + capacity);
return ByteBuffer.allocate(capacity);
}
public void setUseDirect(boolean useDirect) {
if (logger.isLoggingEnabled(LogWriter.TRACE_DEBUG))
logger.logTrace("Direct buffers are " + (useDirect ? "enabled" : "disabled"));
this.useDirect = useDirect;
}
}