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/**
* @author ETSI / STF462 / Alexandre Berge
* @version $URL$
* $Id$
*/
package org.etsi.ttcn.codec.its.geonetworking;
import org.etsi.ttcn.codec.generic.Record;
import org.etsi.ttcn.codec.MainCodec;
import org.etsi.ttcn.codec.CodecBuffer;
import org.etsi.ttcn.codec.IMarkerCallback;
import org.etsi.common.ByteHelper;
import org.etsi.ttcn.tci.EnumeratedValue;
import org.etsi.ttcn.tci.IntegerValue;
import org.etsi.ttcn.tci.RecordValue;
import org.etsi.ttcn.tci.Type;
public class CommonHeader extends Record implements IMarkerCallback {
public CommonHeader(MainCodec mainCodec) {
super(mainCodec);
private void setLengths() {
mainCodec.setHint("HeaderTypeLen", "4");
mainCodec.setHint("NextHeaderLen", "4");
mainCodec.setHint("Bit8Len", "8");
}
@Override
protected void postEncodeField(String fieldName, CodecBuffer buf) {
// System.out.println(">>> CommonHeader.postEncodeField: " + fieldName);
if(fieldName.equals("nextHeader")) {
int nh = buf.getBits(buf.getNbBits() - 4, 4)[0];
mainCodec.setHint("NextHeader", Integer.toString(nh));
} else if(fieldName.equals("plLength")) {
buf.setMarker("plLength", 0, this);
}
}
@Override
protected void preDecodeField(String fieldName, CodecBuffer buf, Type decodingHypothesis, RecordValue rv) {
// System.out.println(">>> CommonHeader.preDecodeField: " + fieldName + ", " + decodingHypothesis);
}
@Override
protected void postDecodeField(String fieldName, CodecBuffer buf, Type decodingHypothesis, RecordValue rv) {
// System.out.println(">>> CommonHeader.postDecodeField: " + fieldName + ", " + decodingHypothesis);
if(fieldName.equals("nextHeader")) {
int nh = ((EnumeratedValue)(rv.getField(fieldName))).getInt();
mainCodec.setHint("GnNextHeader", Integer.toString(nh));
}
else if(fieldName.equals("headerTST")) {
String headerTST = ((UnionValue)(rv.getField(fieldName))).getPresentVariantName();
if (headerTST.equals("beaconHdr")) {
mainCodec.setHint("IsBeacon", "true");
}
}
// int pl = ((IntegerValue)(rv.getField(fieldName))).getInteger(); TTWB iterface is getInt, TCI shall be getInteger
int pl = mainCodec.getTciCDRequired().getInteger((IntegerValue)(rv.getField(fieldName)));
mainCodec.setHint("payloadLength", Integer.toString(pl));
}
}
@Override
public void run(String markerName, CodecBuffer leftBuf, CodecBuffer rightBuf) {
// System.out.println(">>> CommonHeader.run");
if(markerName.equals("plLength")) {
int pl = java.lang.Integer.parseInt(mainCodec.getHint("payloadLength"));
CodecBuffer preserveRightBuf = rightBuf.getBuffer(16, rightBuf.getNbBits() - 16);
rightBuf.setBytes(ByteHelper.intToByteArray(pl, 2));
rightBuf.append(preserveRightBuf);
}
}
}