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java.lang.Objectjava.io.OutputStream
java.io.FilterOutputStream
org.ka2ddo.util.DualOutputStream
public class DualOutputStream
This FilterOutputStream subclass directs its output to both its primary and alternate contained streams.
Field Summary |
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Fields inherited from class java.io.FilterOutputStream |
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out |
Constructor Summary | |
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DualOutputStream(java.io.OutputStream out1,
java.io.OutputStream out2)
Creates an output stream filter built on top of the specified two underlying output streams. |
Method Summary | |
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void |
close()
Closes this output stream and releases any system resources associated with the stream. |
void |
flush()
Flushes this output stream and forces any buffered output bytes to be written out to the stream. |
void |
write(byte[] b)
Writes b.length bytes to this output stream. |
void |
write(byte[] b,
int off,
int len)
Writes len bytes from the specified
byte array starting at offset off to
this output stream. |
void |
write(int b)
Writes the specified byte to this output stream. |
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 DualOutputStream(java.io.OutputStream out1, java.io.OutputStream out2)
out1
- the underlying output stream to be assigned to
the field this.out for later use, or
null
if this instance is to be
created without an underlying stream.out2
- the second output stream which should get a copy of
all bytes written to this stream.Method Detail |
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public void write(int b) throws java.io.IOException
byte
to this output stream.
The write
method of FilterOutputStream
calls the write
method of its underlying output stream,
that is, it performs out.write(b).
write
in class java.io.FilterOutputStream
b
- the byte
.
java.io.IOException
- if an I/O error occurs.public void write(byte[] b) throws java.io.IOException
b.length
bytes to this output stream.
The write
method of DualOutputStream
calls its write
method of three arguments with the
arguments b
, 0
, and
b.length
.
write
in class java.io.FilterOutputStream
b
- the data to be written.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.write(byte[], int, int)
public void write(byte[] b, int off, int len) throws java.io.IOException
len
bytes from the specified
byte
array starting at offset off
to
this output stream.
write
in class java.io.FilterOutputStream
b
- the data.off
- the start offset in the data.len
- the number of bytes to write.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.write(int)
public void flush() throws java.io.IOException
The flush
method of DualOutputStream
calls the flush
method of its underlying output streams.
flush
in interface java.io.Flushable
flush
in class java.io.FilterOutputStream
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void close() throws java.io.IOException
close
in interface java.io.Closeable
close
in class java.io.FilterOutputStream
java.io.IOException
- if an I/O error occurs.FilterOutputStream.flush()
,
FilterOutputStream.out
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