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java.lang.Objectjava.io.OutputStream
java.io.PipedOutputStream
public class PipedOutputStream
This class writes its bytes to a PipedInputStream
to
which it is connected.
It is highly recommended that a PipedOutputStream
and its
connected PipedInputStream
be in different threads. If
they are in the same thread, read and write operations could deadlock
the thread.
Constructor Summary | |
---|---|
PipedOutputStream()
Create an unconnected PipedOutputStream. |
|
PipedOutputStream(PipedInputStream sink)
Create a new PipedOutputStream instance
to write to the specified PipedInputStream . |
Method Summary | |
---|---|
void |
close()
This method closes this stream so that no more data can be written to it. |
void |
connect(PipedInputStream sink)
Connects this object to the specified PipedInputStream
object. |
void |
flush()
This method does nothing. |
void |
write(byte[] buffer,
int offset,
int len)
This method writes len bytes of data from the byte array
buf starting at index offset in the array
to the stream. |
void |
write(int b)
Write a single byte of date to the stream. |
Methods inherited from class java.io.OutputStream |
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write |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PipedOutputStream()
PipedInputStream
using the connect
method prior to writing any data or an exception will be thrown.
public PipedOutputStream(PipedInputStream sink) throws IOException
PipedOutputStream
instance
to write to the specified PipedInputStream
. This stream
is then ready for writing.
sink
- The PipedInputStream
to connect this stream to.
IOException
- If sink
has already been connected
to a different PipedOutputStream.Method Detail |
---|
public void connect(PipedInputStream sink) throws IOException
PipedInputStream
object. This stream will then be ready for writing.
sink
- The PipedInputStream
to connect this stream to
IOException
- If the stream has not been connected or has
been closed.public void write(int b) throws IOException
PipedInputStream
to which this object is
connected has a full buffer.
write
in class OutputStream
b
- The byte of data to be written, passed as an int
.
IOException
- If the stream has not been connected or has
been closed.public void write(byte[] buffer, int offset, int len) throws IOException
len
bytes of data from the byte array
buf
starting at index offset
in the array
to the stream. Note that this method will block if the
PipedInputStream
to which this object is connected has
a buffer that cannot hold all of the bytes to be written.
write
in class OutputStream
buffer
- The array containing bytes to write to the stream.offset
- The index into the array to start writing bytes from.len
- The number of bytes to write.
IOException
- If the stream has not been connected or has
been closed.public void flush() throws IOException
flush
in interface Flushable
flush
in class OutputStream
IOException
- If the stream is closed.public void close() throws IOException
close
in interface Closeable
close
in class OutputStream
IOException
- If an error occurs
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