| 1 | package tmcsim.client; |
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| 2 | |
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| 3 | import java.io.IOException; |
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| 4 | import java.io.InputStream; |
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| 5 | import java.io.OutputStream; |
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| 6 | import java.net.InetSocketAddress; |
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| 7 | import java.net.Socket; |
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| 8 | |
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| 9 | import tmcsim.common.SimulationException; |
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| 10 | |
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| 11 | |
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| 12 | /** |
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| 13 | * CADClientSocket contains the Socket used to communication between the CAD |
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| 14 | * Client and the CAD Simulator. This class uses the host and port parameter |
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| 15 | * values to connect to the CAD Simulator's ServerSocket. I/O streams are |
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| 16 | * created from this connection to transfer all data between applications. |
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| 17 | * |
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| 18 | * @author Matthew Cechini (mcechini@calpoly.edu) |
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| 19 | * @version $Date: 2006/06/06 20:46:41 $ $Revision: 1.3 $ |
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| 20 | */ |
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| 21 | class CADClientSocket { |
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| 22 | |
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| 23 | /** Socket used to communicate to the CAD Simulator. */ |
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| 24 | private Socket clientSocket; |
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| 25 | |
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| 26 | /** |
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| 27 | * Constructor accepting the hostname and port for the CAD Simulator's socket. |
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| 28 | * |
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| 29 | * @param newhost Target host name for CAD Simulator. |
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| 30 | * @param newport Target port for CAD Simulator. |
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| 31 | * @throws SimulationException if there is an exception in connecting to the CAD Simulator. |
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| 32 | */ |
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| 33 | CADClientSocket(String newhost, int newport) throws SimulationException { |
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| 34 | |
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| 35 | try { |
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| 36 | clientSocket = new Socket(); |
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| 37 | clientSocket.connect(new InetSocketAddress(newhost, newport), 5000); |
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| 38 | } |
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| 39 | catch (IOException ioe) { |
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| 40 | throw new SimulationException(SimulationException.CAD_SIM_CONNECT, ioe); |
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| 41 | } |
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| 42 | |
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| 43 | } |
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| 44 | |
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| 45 | /** |
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| 46 | * Returns a reference to the input stream associated with this socket. |
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| 47 | * |
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| 48 | * @return InputStream Input Stream for socket. |
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| 49 | * @throws SimulationException if there is an exception in opening the input stream. |
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| 50 | */ |
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| 51 | public InputStream getInputStream() throws SimulationException { |
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| 52 | try { |
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| 53 | return clientSocket.getInputStream(); |
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| 54 | } |
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| 55 | catch (IOException ioe) { |
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| 56 | throw new SimulationException(SimulationException.CAD_SIM_COMM, ioe); |
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| 57 | } |
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| 58 | } |
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| 59 | |
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| 60 | /** |
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| 61 | * Returns a reference to the output stream associated with this socket. |
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| 62 | * |
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| 63 | * @return OutputStream Output Stream for socket. |
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| 64 | * @throws SimulationException if there is an exception in opening the output stream. |
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| 65 | */ |
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| 66 | public OutputStream getOutputStream() throws SimulationException { |
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| 67 | try { |
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| 68 | return clientSocket.getOutputStream(); |
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| 69 | } |
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| 70 | catch (IOException ioe) { |
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| 71 | throw new SimulationException(SimulationException.CAD_SIM_COMM, ioe); |
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| 72 | } |
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| 73 | } |
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| 74 | |
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| 75 | /** |
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| 76 | * Closes the Socket. |
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| 77 | * |
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| 78 | * @throws SimulationException if there is an exception in closing the socket. |
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| 79 | */ |
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| 80 | public void closeSocket() throws SimulationException { |
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| 81 | try { |
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| 82 | clientSocket.close(); |
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| 83 | } |
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| 84 | catch (IOException ioe) { |
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| 85 | throw new SimulationException(SimulationException.CAD_SIM_COMM, ioe); |
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| 86 | } |
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| 87 | } |
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| 88 | } |
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