Examples of socket.io.WrappedOutputStream

socket.io.WrappedOutputStream
This output stream works in conjunction with the WrappedInputStream to introduce a protocol for sending arbitrary length data in a uniform way. This output stream allows variable length data to be inserted into an existing output stream so that it can be read by an input stream without reading too many bytes (in case of buffering by the input stream).
This output stream is used like any normal output stream. The protocol is introduced by the WrappedOutputStream and does not need to be known by the user of this class. However, for those that are interested, the method is described below.
The output stream writes the requested bytes as packets of binary information. The packet consists of a header and payload. The header is two bytes of a single unsigned short (written in network order) that specifies the length of bytes in the payload. A header value of 0 indicates that the stream is "closed".
Note: For this wrapped output stream to be used, the application must call close() to end the output. @see WrappedInputStream @author Andy Clark, IBM @version $Id: WrappedOutputStream.java,v 1.1.2.1 2000/12/04 01:29:45 andyc Exp $

                    System.out.println("Server: Opening file \""+filename+'"');
                    FileInputStream fileIn = new FileInputStream(filename);
                    
                    // wrap stream
                    if (fVerbose) System.out.println("Server: Wrapping output stream.");
                    WrappedOutputStream wrappedOut = new WrappedOutputStream(clientStream);
                    
                    // read file, writing to output
                    int total = 0;
                    while (true) {


                        // read random amount
                        //int length = (Math.abs(random.nextInt()) % fBuffer.length) + 1;
                        int length = fBuffer.length;
                        if (fVerbose) System.out.println("Server: Attempting to read "+length+" byte(s).");
                        int count = fileIn.read(fBuffer, 0, length);
                        if (count == -1) {
                            if (fVerbose) System.out.println("Server: EOF.");
                            break;
                        }
                        if (fVerbose) System.out.println("Server: Writing "+count+" byte(s) to wrapped output stream.");
                        wrappedOut.write(fBuffer, 0, count);
                        total += count;
                    }
                    System.out.println("Server: Wrote "+total+" byte(s) total.");


                    // close stream
                    if (fVerbose) System.out.println("Server: Closing output stream.");
                    wrappedOut.close();
                    
                    // close file
                    if (fVerbose) System.out.println("Server: Closing file.");
                    fileIn.close();
                }

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                    System.out.println("Server: Opening file \""+filename+'"');
                    FileInputStream fileIn = new FileInputStream(filename);
                    
                    // wrap stream
                    if (fVerbose) System.out.println("Server: Wrapping output stream.");
                    WrappedOutputStream wrappedOut = new WrappedOutputStream(clientStream);
                    
                    // read file, writing to output
                    int total = 0;
                    while (true) {


                        // read random amount
                        //int length = (Math.abs(random.nextInt()) % fBuffer.length) + 1;
                        int length = fBuffer.length;
                        if (fVerbose) System.out.println("Server: Attempting to read "+length+" byte(s).");
                        int count = fileIn.read(fBuffer, 0, length);
                        if (count == -1) {
                            if (fVerbose) System.out.println("Server: EOF.");
                            break;
                        }
                        if (fVerbose) System.out.println("Server: Writing "+count+" byte(s) to wrapped output stream.");
                        wrappedOut.write(fBuffer, 0, count);
                        total += count;
                    }
                    System.out.println("Server: Wrote "+total+" byte(s) total.");


                    // close stream
                    if (fVerbose) System.out.println("Server: Closing output stream.");
                    wrappedOut.close();
                    
                    // close file
                    if (fVerbose) System.out.println("Server: Closing file.");
                    fileIn.close();
                }

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                    System.out.println("Server: Opening file \""+filename+'"');
                    FileInputStream fileIn = new FileInputStream(filename);
                    
                    // wrap stream
                    if (fVerbose) System.out.println("Server: Wrapping output stream.");
                    WrappedOutputStream wrappedOut = new WrappedOutputStream(clientStream);
                    
                    // read file, writing to output
                    int total = 0;
                    while (true) {


                        // read random amount
                        //int length = (Math.abs(random.nextInt()) % fBuffer.length) + 1;
                        int length = fBuffer.length;
                        if (fVerbose) System.out.println("Server: Attempting to read "+length+" byte(s).");
                        int count = fileIn.read(fBuffer, 0, length);
                        if (count == -1) {
                            if (fVerbose) System.out.println("Server: EOF.");
                            break;
                        }
                        if (fVerbose) System.out.println("Server: Writing "+count+" byte(s) to wrapped output stream.");
                        wrappedOut.write(fBuffer, 0, count);
                        total += count;
                    }
                    System.out.println("Server: Wrote "+total+" byte(s) total.");


                    // close stream
                    if (fVerbose) System.out.println("Server: Closing output stream.");
                    wrappedOut.close();
                    
                    // close file
                    if (fVerbose) System.out.println("Server: Closing file.");
                    fileIn.close();
                }

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                    System.out.println("Server: Opening file \""+filename+'"');
                    FileInputStream fileIn = new FileInputStream(filename);
                    
                    // wrap stream
                    if (fVerbose) System.out.println("Server: Wrapping output stream.");
                    WrappedOutputStream wrappedOut = new WrappedOutputStream(clientStream);
                    
                    // read file, writing to output
                    int total = 0;
                    while (true) {


                        // read random amount
                        //int length = (Math.abs(random.nextInt()) % fBuffer.length) + 1;
                        int length = fBuffer.length;
                        if (fVerbose) System.out.println("Server: Attempting to read "+length+" byte(s).");
                        int count = fileIn.read(fBuffer, 0, length);
                        if (count == -1) {
                            if (fVerbose) System.out.println("Server: EOF.");
                            break;
                        }
                        if (fVerbose) System.out.println("Server: Writing "+count+" byte(s) to wrapped output stream.");
                        wrappedOut.write(fBuffer, 0, count);
                        total += count;
                    }
                    System.out.println("Server: Wrote "+total+" byte(s) total.");


                    // close stream
                    if (fVerbose) System.out.println("Server: Closing output stream.");
                    wrappedOut.close();
                    
                    // close file
                    if (fVerbose) System.out.println("Server: Closing file.");
                    fileIn.close();
                }

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                    System.out.println("Server: Opening file \""+filename+'"');
                    FileInputStream fileIn = new FileInputStream(filename);
                    
                    // wrap stream
                    if (fVerbose) System.out.println("Server: Wrapping output stream.");
                    WrappedOutputStream wrappedOut = new WrappedOutputStream(clientStream);
                    
                    // read file, writing to output
                    int total = 0;
                    while (true) {


                        // read random amount
                        //int length = (Math.abs(random.nextInt()) % fBuffer.length) + 1;
                        int length = fBuffer.length;
                        if (fVerbose) System.out.println("Server: Attempting to read "+length+" byte(s).");
                        int count = fileIn.read(fBuffer, 0, length);
                        if (count == -1) {
                            if (fVerbose) System.out.println("Server: EOF.");
                            break;
                        }
                        if (fVerbose) System.out.println("Server: Writing "+count+" byte(s) to wrapped output stream.");
                        wrappedOut.write(fBuffer, 0, count);
                        total += count;
                    }
                    System.out.println("Server: Wrote "+total+" byte(s) total.");


                    // close stream
                    if (fVerbose) System.out.println("Server: Closing output stream.");
                    wrappedOut.close();
                    
                    // close file
                    if (fVerbose) System.out.println("Server: Closing file.");
                    fileIn.close();
                }

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                    System.out.println("Server: Opening file \""+filename+'"');
                    FileInputStream fileIn = new FileInputStream(filename);
                    
                    // wrap stream
                    if (fVerbose) System.out.println("Server: Wrapping output stream.");
                    WrappedOutputStream wrappedOut = new WrappedOutputStream(clientStream);
                    
                    // read file, writing to output
                    int total = 0;
                    while (true) {


                        // read random amount
                        //int length = (Math.abs(random.nextInt()) % fBuffer.length) + 1;
                        int length = fBuffer.length;
                        if (fVerbose) System.out.println("Server: Attempting to read "+length+" byte(s).");
                        int count = fileIn.read(fBuffer, 0, length);
                        if (count == -1) {
                            if (fVerbose) System.out.println("Server: EOF.");
                            break;
                        }
                        if (fVerbose) System.out.println("Server: Writing "+count+" byte(s) to wrapped output stream.");
                        wrappedOut.write(fBuffer, 0, count);
                        total += count;
                    }
                    System.out.println("Server: Wrote "+total+" byte(s) total.");


                    // close stream
                    if (fVerbose) System.out.println("Server: Closing output stream.");
                    wrappedOut.close();
                    
                    // close file
                    if (fVerbose) System.out.println("Server: Closing file.");
                    fileIn.close();
                }

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                    System.out.println("Server: Opening file \""+filename+'"');
                    FileInputStream fileIn = new FileInputStream(filename);
                    
                    // wrap stream
                    if (fVerbose) System.out.println("Server: Wrapping output stream.");
                    WrappedOutputStream wrappedOut = new WrappedOutputStream(clientStream);
                    
                    // read file, writing to output
                    int total = 0;
                    while (true) {


                        // read random amount
                        //int length = (Math.abs(random.nextInt()) % fBuffer.length) + 1;
                        int length = fBuffer.length;
                        if (fVerbose) System.out.println("Server: Attempting to read "+length+" byte(s).");
                        int count = fileIn.read(fBuffer, 0, length);
                        if (count == -1) {
                            if (fVerbose) System.out.println("Server: EOF.");
                            break;
                        }
                        if (fVerbose) System.out.println("Server: Writing "+count+" byte(s) to wrapped output stream.");
                        wrappedOut.write(fBuffer, 0, count);
                        total += count;
                    }
                    System.out.println("Server: Wrote "+total+" byte(s) total.");


                    // close stream
                    if (fVerbose) System.out.println("Server: Closing output stream.");
                    wrappedOut.close();
                    
                    // close file
                    if (fVerbose) System.out.println("Server: Closing file.");
                    fileIn.close();
                }

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                    System.out.println("Server: Opening file \""+filename+'"');
                    FileInputStream fileIn = new FileInputStream(filename);
                    
                    // wrap stream
                    if (fVerbose) System.out.println("Server: Wrapping output stream.");
                    WrappedOutputStream wrappedOut = new WrappedOutputStream(clientStream);
                    
                    // read file, writing to output
                    int total = 0;
                    while (true) {


                        // read random amount
                        //int length = (Math.abs(random.nextInt()) % fBuffer.length) + 1;
                        int length = fBuffer.length;
                        if (fVerbose) System.out.println("Server: Attempting to read "+length+" byte(s).");
                        int count = fileIn.read(fBuffer, 0, length);
                        if (count == -1) {
                            if (fVerbose) System.out.println("Server: EOF.");
                            break;
                        }
                        if (fVerbose) System.out.println("Server: Writing "+count+" byte(s) to wrapped output stream.");
                        wrappedOut.write(fBuffer, 0, count);
                        total += count;
                    }
                    System.out.println("Server: Wrote "+total+" byte(s) total.");


                    // close stream
                    if (fVerbose) System.out.println("Server: Closing output stream.");
                    wrappedOut.close();
                    
                    // close file
                    if (fVerbose) System.out.println("Server: Closing file.");
                    fileIn.close();
                }

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socket.KeepSocketOpen$Server

java.io.DataOutputStream

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