Class JobOutputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable

    public class JobOutputStream
    extends java.io.OutputStream
    This is a small class that allows to redirect a job's output to a custom job output listener. That is, a listener that presents/displays the job output in a specific way. For example, this class can be used to redirect a job's output to a window.

    This class is specificaly designed for jobs that generate textual output. Binary data might not be handled correctly.

    • Constructor Summary

      Constructors 
      Constructor Description
      JobOutputStream​(JobOutputListener jobListener)
      Creates a job output stream with a specific job output listener to which the job output will be redirected to.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()
      Notifies the job output listener that no more output will be produced.
      void write​(byte[] b, int off, int len)
      Converts the byte array to a string and forwards it to the job output listener.
      void write​(int b)
      Converts the int to a string and forwards it to the job output listener.
      • Methods inherited from class java.io.OutputStream

        flush, nullOutputStream, write
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • JobOutputStream

        public JobOutputStream​(JobOutputListener jobListener)
        Creates a job output stream with a specific job output listener to which the job output will be redirected to.
        Parameters:
        jobListener - an instance of the job output listener. Cannot be null.
    • Method Detail

      • write

        public void write​(byte[] b,
                          int off,
                          int len)
                   throws java.io.IOException
        Converts the byte array to a string and forwards it to the job output listener.
        Called by the GassServer.
        Overrides:
        write in class java.io.OutputStream
        Throws:
        java.io.IOException
      • write

        public void write​(int b)
                   throws java.io.IOException
        Converts the int to a string and forwards it to the job output listener.
        Called by the GassServer.
        Specified by:
        write in class java.io.OutputStream
        Throws:
        java.io.IOException
      • close

        public void close()
                   throws java.io.IOException
        Notifies the job output listener that no more output will be produced.
        Called by the GassServer.
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class java.io.OutputStream
        Throws:
        java.io.IOException