es.tid.rsvp.objects.subobjects.subtlvs.SubTransponderTLVFS Maven / Gradle / Ivy

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package es.tid.rsvp.objects.subobjects.subtlvs;

/**
 * 
 *  0                   1                   2                   3
 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|        Type = 5006            |           Length = 12          |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Grid | C.S.  |    Identifier   |              n                |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|             m                 |          Reserved             |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+


 *
 */
public class SubTransponderTLVFS extends SubTLV {

	private int grid;
	private int channelSpacing;
	private int identifier;
	private int n;
	private int m;
	
	public SubTransponderTLVFS(){
		super();
		this.setTLVType(SubTLVTypes.ERO_SUBTLV_SUBTRANSPONDER_FS);
	}
	
	public SubTransponderTLVFS(byte[] bytes, int offset){
		super(bytes,offset);
		decode();
	}
	
	@Override
	public void encode() {
		this.setTotalTLVLength(12);	
		int offset =4;
				
		tlv_bytes[offset]=(byte)((grid<<5)|(channelSpacing<<1)|(identifier>>>8));
		
		offset = offset + 1;
		
		tlv_bytes[offset]=(byte)(identifier&0xFF);
		
		offset = offset + 1;
		
		tlv_bytes[offset]=(byte)((n>>8)&0xFF);
		
		offset = offset + 1;
		
		tlv_bytes[offset]=(byte)(n&0xFF);
		
		offset = offset + 1;
		
		tlv_bytes[offset]=(byte)((m>>8)&0xFF);
		
		offset = offset + 1;
		
		tlv_bytes[offset]=(byte)(m&0xFF);
		
		  
	}
	
	protected void decode(){
		
		int offset = 4;
							
		grid=(tlv_bytes[offset]&0xE0)>>>5;
		channelSpacing=(tlv_bytes[offset]&0x1E)>>>1;
		identifier=((tlv_bytes[offset]&0x01)<<8)|(tlv_bytes[offset+1]&0xFF);
		n=((tlv_bytes[offset+2]&0xFF)<<8)|(tlv_bytes[offset+3]&0xFF);
		m=(((tlv_bytes[offset+4]&0xFF)<<8)|(tlv_bytes[offset+5]&0xFF));	
						
	}
	
	public String toString(){
		String str =  "FS" + " G: " + grid + "CS: " + channelSpacing + "Id: " + identifier + "n: " + n + "m: " + m;
		str+=">";
		return str;
	}

	public int getGrid() {
		return grid;
	}

	public void setGrid(int grid) {
		this.grid = grid;
	}

	public int getChannelSpacing() {
		return channelSpacing;
	}

	public void setChannelSpacing(int channelSpacing) {
		this.channelSpacing = channelSpacing;
	}

	public int getIdentifier() {
		return identifier;
	}

	public void setIdentifier(int identifier) {
		this.identifier = identifier;
	}

	public int getN() {
		return n;
	}

	public void setN(int n) {
		this.n = n;
	}

	public int getM() {
		return m;
	}

	public void setM(int m) {
		this.m = m;
	}
	
}