java.io

Class PipedWriter

Table des matières

    • Field Summary

      • Fields inherited from class java.io.Writer

        lock

    • Constructor Summary

      Constructors 
      Constructor and Description
      PipedWriter()
      Creates a piped writer that is not yet connected to a piped reader.
      PipedWriter(PipedReader snk)
      Creates a piped writer connected to the specified piped reader.

        

    • Method Summary

      Methods 
      Modifier and Type Method and Description
      void close()
      Closes this piped output stream and releases any system resources associated with this stream.
      void connect(PipedReader snk)
      Connects this piped writer to a receiver.
      void flush()
      Flushes this output stream and forces any buffered output characters to be written out.
      void write(char[] cbuf, int off, int len)
      Writes len characters from the specified character array starting at offset off to this piped output stream.
      void write(int c)
      Writes the specified char to the piped output stream.

        

    • Constructor Detail

      • PipedWriter

        public PipedWriter(PipedReader snk)
            throws IOException
        Creates a piped writer connected to the specified piped reader. Data characters written to this stream will then be available as input from snk.
        Parameters:
        snk - The piped reader to connect to.
        Throws:
        IOException - if an I/O error occurs.

    • Method Detail

      • connect

        public void connect(PipedReader snk)
             throws IOException
        Connects this piped writer to a receiver. If this object is already connected to some other piped reader, an IOException is thrown.

        If snk is an unconnected piped reader and src is an unconnected piped writer, they may be connected by either the call: 

         src.connect(snk)
        or the call: 
         snk.connect(src)
        The two calls have the same effect.
        Parameters:
        snk - the piped reader to connect to.
        Throws:
        IOException - if an I/O error occurs.

      • write

        public void write(int c)
           throws IOException
        Writes the specified char to the piped output stream. If a thread was reading data characters from the connected piped input stream, but the thread is no longer alive, then an IOException is thrown.

        Implements the write method of Writer.

        Overrides:
        write in class Writer
        Parameters:
        c - the char to be written.
        Throws:
        IOException - if the pipe is broken, unconnected, closed or an I/O error occurs.

      • write

        public void write(char[] cbuf,
         int off,
         int len)
           throws IOException
        Writes len characters from the specified character array starting at offset off to this piped output stream. This method blocks until all the characters are written to the output stream. If a thread was reading data characters from the connected piped input stream, but the thread is no longer alive, then an IOException is thrown.
        Specified by:
        write in class Writer
        Parameters:
        cbuf - the data.
        off - the start offset in the data.
        len - the number of characters to write.
        Throws:
        IOException - if the pipe is broken, unconnected, closed or an I/O error occurs.

      • flush

        public void flush()
           throws IOException
        Flushes this output stream and forces any buffered output characters to be written out. This will notify any readers that characters are waiting in the pipe.
        Specified by:
        flush in interface Flushable
        Specified by:
        flush in class Writer
        Throws:
        IOException - if the pipe is closed, or an I/O error occurs.

      • close

        public void close()
           throws IOException
        Closes this piped output stream and releases any system resources associated with this stream. This stream may no longer be used for writing characters.
        Specified by:
        close in interface Closeable
        Specified by:
        close in interface AutoCloseable
        Specified by:
        close in class Writer
        Throws:
        IOException - if an I/O error occurs.

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Document créé le 24/07/2006, dernière modification le 04/03/2020
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Références

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