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RawMessage.java
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RawMessage.java
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/*
* ice4j, the OpenSource Java Solution for NAT and Firewall Traversal.
* Maintained by the SIP Communicator community (http://sip-communicator.org).
*
* Distributable under LGPL license. See terms of license at gnu.org.
*/
package org.ice4j.stack;
import org.ice4j.*;
/**
* The class represents a binary STUN message as well as the address and port
* of the host that sent it and the address and port where it was received
* (locally).
*
* @author Emil Ivov
*/
public class RawMessage
{
/**
* The message itself.
*/
private final byte[] messageBytes;
/**
* The length of the message.
*/
private final int messageLength;
/**
* The address and port where the message was sent from.
*/
private final TransportAddress remoteAddress;
/**
* The address that this message was received on.
*/
private final TransportAddress localAddress;
/**
* Constructs a raw message with the specified field values. All parameters
* are cloned before being assigned to class members.
*
* @param messageBytes the message itself.
* @param messageLength the number of bytes currently stored in the
* <tt>messageBytes</tt> array.
* @param remoteAddress the address where the message came from.
* @param localAddress the <tt>TransportAddress</tt> that the message was
* received on.
*
* @throws NullPointerException if one or more of the parameters were null.
*/
RawMessage(byte[] messageBytes,
int messageLength,
TransportAddress remoteAddress,
TransportAddress localAddress)
{
/*
* Let NullPointerException go out.
*
* The length of the array messgeBytes may be enormous while
* messageLength may be tiny so it does not make sense to clone
* messageBytes.
*/
this.messageBytes = new byte[messageLength];
System.arraycopy(messageBytes, 0, this.messageBytes, 0, messageLength);
this.messageLength = messageLength;
this.localAddress = localAddress;
this.remoteAddress = remoteAddress;
}
/**
* Returns the message itself.
*
* @return a binary array containing the message data.
*/
public byte[] getBytes()
{
return messageBytes;
}
/**
* Returns the message length.
*
* @return a the length of the message.
*/
public int getMessageLength()
{
return messageLength;
}
/**
* Returns the address and port of the host that sent the message
*
* @return the [address]:[port] pair that sent the message.
*/
public TransportAddress getRemoteAddress()
{
return this.remoteAddress;
}
/**
* Returns the address that this message was received on.
*
* @return the address that this message was received on.
*/
public TransportAddress getLocalAddress()
{
return localAddress;
}
}