63 lines
1.7 KiB
Java
63 lines
1.7 KiB
Java
package org.moparscape.msc.ls.codec;
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import java.net.URLEncoder;
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import org.apache.mina.common.ByteBuffer;
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import org.apache.mina.common.IoSession;
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import org.apache.mina.filter.codec.ProtocolEncoder;
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import org.apache.mina.filter.codec.ProtocolEncoderOutput;
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import org.moparscape.msc.ls.Server;
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import org.moparscape.msc.ls.net.FPacket;
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/**
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* Encodes the high level <code>FPacket</code> class into the proper protocol
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* data required for transmission.
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*/
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public class FProtocolEncoder implements ProtocolEncoder {
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/**
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* Releases all resources used by this encoder.
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*
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* @param session
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* The IO session
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*/
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public void dispose(IoSession session) {
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}
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/**
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* Converts a <code>FPacket</code> object into the raw data needed for
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* transmission.
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*
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* @param session
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* The IO session associated with the packet
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* @param message
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* A <code>FPacket</code> to encode
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* @param out
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* The output stream to which to write the data
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*/
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public void encode(IoSession session, Object message, ProtocolEncoderOutput out) {
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if (!(message instanceof FPacket)) {
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Server.error(new Exception("Wrong packet type! " + message.toString()));
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return;
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}
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FPacket p = (FPacket) message;
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try {
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String s = String.valueOf(p.getID());
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if (p.countParameters() > 0) {
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for (String param : p.getParameters()) {
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s += " " + URLEncoder.encode(param, "UTF-8");
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}
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}
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byte[] data = s.getBytes();
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ByteBuffer buffer = ByteBuffer.allocate(data.length);
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buffer.put(data, 0, data.length);
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buffer.flip();
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out.write(buffer);
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} catch (Exception e) {
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Server.error(e);
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}
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}
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}
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