org.marre.sms.SmsPdu Maven / Gradle / Ivy
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
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*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is "SMS Library for the Java platform".
*
* The Initial Developer of the Original Code is Markus Eriksson.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
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package org.marre.sms;
import java.io.*;
/**
* Represents an SMS pdu
*
* A SMS pdu consists of a user data header (UDH) and the actual content often
* called user data (UD).
*
* @author Markus Eriksson
* @version $Id$
*/
public class SmsPdu
{
protected SmsUdhElement[] udhElements_;
protected SmsUserData ud_;
/**
* Creates an empty SMS pdu object
*/
public SmsPdu()
{
// Empty
}
/**
* Creates an SMS pdu object.
*
* @param udhElements
* The UDH elements
* @param ud
* The content
* @param udLength
* The length of the content. Can be in octets or septets
* depending on the DCS
*/
public SmsPdu(SmsUdhElement[] udhElements, byte[] ud, int udLength, SmsDcs dcs)
{
setUserDataHeaders(udhElements);
setUserData(ud, udLength, dcs);
}
/**
* Creates an SMS pdu object.
*
* @param udhElements
* The UDH elements
* @param ud
* The content
*/
public SmsPdu(SmsUdhElement[] udhElements, SmsUserData ud)
{
setUserDataHeaders(udhElements);
setUserData(ud);
}
/**
* Sets the UDH field
*
* @param udhElements
* The UDH elements
*/
public void setUserDataHeaders(SmsUdhElement[] udhElements)
{
if (udhElements != null)
{
udhElements_ = new SmsUdhElement[udhElements.length];
System.arraycopy(udhElements, 0, udhElements_, 0, udhElements.length);
}
else
{
udhElements_ = null;
}
}
/**
* Returns the user data headers
*
* @return A byte array representing the UDH fields or null if there aren't
* any UDH
*/
public byte[] getUserDataHeaders()
{
if (udhElements_ == null)
{
return null;
}
ByteArrayOutputStream baos = new ByteArrayOutputStream(100);
byte length = (byte) SmsUdhUtil.getTotalSize(udhElements_);
if(length>0) {
baos.write(length);
try
{
for (SmsUdhElement anUdhElements_ : udhElements_) {
anUdhElements_.writeTo(baos);
}
}
catch (IOException ioe)
{
// Shouldn't happen.
throw new RuntimeException("Failed to write to ByteArrayOutputStream");
}
}
return baos.toByteArray();
}
/**
* Sets the user data field of the message.
*
* @param ud
* The content
* @param udLength
* The length, can be in septets or octets depending on the DCS
* @param dcs
* The data coding scheme
*/
public void setUserData(byte[] ud, int udLength, SmsDcs dcs)
{
ud_ = new SmsUserData(ud, udLength, dcs);
}
/**
* Sets the user data field of the message.
*
* @param ud
* The content
*/
public void setUserData(SmsUserData ud)
{
ud_ = ud;
}
/**
* Returns the user data part of the message.
*
* @return UD field
*/
public SmsUserData getUserData()
{
return ud_;
}
/**
* Returns the dcs.
*
* @return dcs
*/
public SmsDcs getDcs()
{
return ud_.getDcs();
}
}