Class DemuxOutputStream

java.lang.Object
java.io.OutputStream
org.apache.tools.ant.DemuxOutputStream
All Implemented Interfaces:
Closeable, Flushable, AutoCloseable
public class DemuxOutputStream extends OutputStream
Logs content written by a thread and forwards the buffers onto the project object which will forward the content to the appropriate task.
Since:
1.4

  • Constructor Details

    • DemuxOutputStream

      public DemuxOutputStream(Project project, boolean isErrorStream)
      Creates a new instance of this class.
      Parameters:
      project - The project instance for which output is being demultiplexed. Must not be null.
      isErrorStream - true if this is the error string, otherwise a normal output stream. This is passed to the project so it knows which stream it is receiving.

  • Method Details

    • write

      public void write(int cc) throws IOException
      Writes the data to the buffer and flushes the buffer if a line separator is detected or if the buffer has reached its maximum size.
      Specified by:
      write in class OutputStream
      Parameters:
      cc - data to log (byte).
      Throws:
      IOException - if the data cannot be written to the stream

    • processBuffer

      protected void processBuffer(ByteArrayOutputStream buffer)
      Converts the buffer to a string and sends it to the project.
      Parameters:
      buffer - the ByteArrayOutputStream used to collect the output until a line separator is seen.
      See Also:

    • processFlush

      protected void processFlush(ByteArrayOutputStream buffer)
      Converts the buffer to a string and sends it to the project.
      Parameters:
      buffer - the ByteArrayOutputStream used to collect the output until a line separator is seen.
      See Also:

    • close

      public void close() throws IOException
      Equivalent to flushing the stream.
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Overrides:
      close in class OutputStream
      Throws:
      IOException - if there is a problem closing the stream.
      See Also:

    • flush

      public void flush() throws IOException
      Writes all remaining data in the buffer associated with the current thread to the project.
      Specified by:
      flush in interface Flushable
      Overrides:
      flush in class OutputStream
      Throws:
      IOException - if there is a problem flushing the stream.

    • write

      public void write(byte[] b, int off, int len) throws IOException
      Write a block of characters to the output stream
      Overrides:
      write in class OutputStream
      Parameters:
      b - the array containing the data
      off - the offset into the array where data starts
      len - the length of block
      Throws:
      IOException - if the data cannot be written into the stream.