Class java.io.PipedReader - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Class java.io.PipedReader

java.lang.Object
   |
   +----java.io.Reader
           |
           +----java.io.PipedReader

public class PipedReader
extends Reader

Piped character-input streams.

PipedReader(): Create a reader that is not yet connected to a piped writer.
PipedReader(PipedWriter): Create a reader for the specified piped character-output stream.

close(): Close the stream.
connect(PipedWriter): Connect the specified piped writer to this reader.
read(char[], int, int): Read characters into a portion of an array.

PipedReader

 public PipedReader()

Create a reader that is not yet connected to a piped writer.

PipedReader

 public PipedReader(PipedWriter src) throws IOException

Create a reader for the specified piped character-output stream.

connect

 public void connect(PipedWriter src) throws IOException

Connect the specified piped writer to this reader.

Throws: IOException: If this reader is already connected

read

 public int read(char cbuf[],
                 int off,
                 int len) throws IOException

Read characters into a portion of an array.

Parameters:: cbuf - Destination buffer; off - Offset at which to start storing characters; len - Maximum number of characters to read
Returns:: The number of characters read, or -1 if the end of the stream has been reached
Throws: IOException: If an I/O error occurs
Overrides:: read in class Reader

close

 public void close() throws IOException

Close the stream.

Throws: IOException: If an I/O error occurs
Overrides:: close in class Reader

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