package ie.omk.smpp.message;
import ie.omk.smpp.Address;
import ie.omk.smpp.util.GSMConstants;
import ie.omk.smpp.util.InvalidDateFormatException;
import ie.omk.smpp.util.SMPPDate;
import ie.omk.smpp.util.SMPPIO;
import java.io.OutputStream;
/**
* Replace a message. This message submits a short message to the SMSC replacing
* a previously submitted message. Relevant inherited fields from SMPPPacket:
* <br>
* <ul>
* messageId source deliveryTime expiryTime registered defaultMsg message
* </ul>
*
* @author Oran Kelly
* @version 1.0
*/
public class ReplaceSM extends ie.omk.smpp.message.SMPPRequest {
/**
* Construct a new ReplaceSM.
*/
public ReplaceSM() {
super(REPLACE_SM);
}
/**
* Construct a new ReplaceSM with specified sequence number.
*
* @param seqNum
* The sequence number to use
* @deprecated
*/
public ReplaceSM(int seqNum) {
super(REPLACE_SM, seqNum);
}
public int getBodyLength() {
int len = ((messageId != null) ? messageId.length() : 0)
+ ((source != null) ? source.getLength() : 3)
+ ((deliveryTime != null) ? deliveryTime.toString().length() : 0)
+ ((expiryTime != null) ? expiryTime.toString().length() : 0)
+ ((message != null) ? message.length : 0);
// 3 1-byte integers, 3 c-strings
return len + 3 + 3;
}
/**
* Write a byte representation of this packet to an OutputStream
*
* @param out
* The OutputStream to write to
* @throws java.io.IOException
* if there's an error writing to the output stream.
*/
protected void encodeBody(OutputStream out) throws java.io.IOException {
int smLength = 0;
if (message != null) {
smLength = message.length;
}
SMPPIO.writeCString(getMessageId(), out);
if (source != null) {
source.writeTo(out);
} else {
// Write ton=0(null), npi=0(null), address=\0(nul)
new Address(GSMConstants.GSM_TON_UNKNOWN,
GSMConstants.GSM_NPI_UNKNOWN, "").writeTo(out);
}
String dt = (deliveryTime == null) ? null : deliveryTime.toString();
String et = (expiryTime == null) ? null : expiryTime.toString();
SMPPIO.writeCString(dt, out);
SMPPIO.writeCString(et, out);
SMPPIO.writeInt(registered, 1, out);
SMPPIO.writeInt(defaultMsg, 1, out);
SMPPIO.writeInt(smLength, 1, out);
if (message != null) {
out.write(message);
}
}
public void readBodyFrom(byte[] body, int offset)
throws SMPPProtocolException {
try {
int smLength = 0;
String delivery;
String valid;
messageId = SMPPIO.readCString(body, offset);
offset += messageId.length() + 1;
source = new Address();
source.readFrom(body, offset);
offset += source.getLength();
delivery = SMPPIO.readCString(body, offset);
offset += delivery.length() + 1;
if (delivery.length() > 0) {
deliveryTime = SMPPDate.parseSMPPDate(delivery);
}
valid = SMPPIO.readCString(body, offset);
offset += valid.length() + 1;
if (valid.length() > 0) {
expiryTime = SMPPDate.parseSMPPDate(valid);
}
registered = SMPPIO.bytesToInt(body, offset++, 1);
defaultMsg = SMPPIO.bytesToInt(body, offset++, 1);
smLength = SMPPIO.bytesToInt(body, offset++, 1);
if (smLength > 0) {
message = new byte[smLength];
System.arraycopy(body, offset, message, 0, smLength);
}
} catch (InvalidDateFormatException x) {
throw new SMPPProtocolException("Unrecognized date format", x);
}
}
/**
* Convert this packet to a String. Not to be interpreted programmatically,
* it's just dead handy for debugging!
*/
public String toString() {
return new String("replace_sm");
}
}