java.io.OutputStream
com.sun.squawk.io.j2me.channel.ChannelOutputStream
|
" 2013 FRC Java API " |
|||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||
java.lang.Object
public class ChannelOutputStream
ChannelOutputStream
| Constructor Summary | |
|---|---|
ChannelOutputStream(Protocol parent)
|
|
| Method Summary | |
|---|---|
void |
close()
Closes this output stream and releases any system resources associated with this stream. |
void |
flush()
Flushes this output stream and forces any buffered output bytes to be written out. |
void |
write(byte[] b)
Writes to the output stream all the bytes in array b. |
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 v)
Writes the specified byte to this output stream. |
void |
writeBoolean(boolean v)
Writes a boolean value to this output stream. |
void |
writeByte(int v)
Writes out a byte to the underlying output stream as
a 1-byte value. |
void |
writeChar(int v)
Writes a char value, which
is comprised of two bytes, to the
output stream. |
void |
writeChars(String s)
Writes a string to the underlying output stream as a sequence of characters. |
void |
writeDouble(double v)
Writes a 64 bit double. |
void |
writeFloat(float v)
Writes a 32 bit float. |
void |
writeInt(int v)
Writes an int value, which is
comprised of four bytes, to the output stream. |
void |
writeLong(long v)
Writes an long value, which is
comprised of four bytes, to the output stream. |
void |
writeShort(int v)
Writes two bytes to the output stream to represent the value of the argument. |
void |
writeUTF(String str)
Writes a string to the underlying output stream using UTF-8 encoding in a machine-independent manner. |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ChannelOutputStream(Protocol parent)
throws IOException
IOException| Method Detail |
|---|
public void flush()
throws IOException
OutputStreamflush is
that calling it is an indication that, if any bytes previously
written have been buffered by the implementation of the output
stream, such bytes should immediately be written to their
intended destination.
The flush method of OutputStream does nothing.
flush in class OutputStreamIOException - if an I/O error occurs.
public void close()
throws IOException
OutputStreamclose
is that it closes the output stream. A closed stream cannot perform
output operations and cannot be reopened.
The close method of OutputStream does nothing.
close in class OutputStreamIOException - if an I/O error occurs.
public void write(int v)
throws IOException
OutputStreamwrite is that one byte is written
to the output stream. The byte to be written is the eight
low-order bits of the argument b. The 24
high-order bits of b are ignored.
Subclasses of OutputStream must provide an
implementation for this method.
write in interface DataOutputwrite in class OutputStreamv - the byte.
IOException - if an I/O error occurs. In particular,
an IOException may be thrown if the
output stream has been closed.
public void writeShort(int v)
throws IOException
DataOutput
(byte)(0xff & (v >> 8))
(byte)(0xff & v)
The bytes written by this method may be
read by the readShort method
of interface DataInput, which
will then return a short equal
to (short)v.
writeShort in interface DataOutputv - the short value to be written.
IOException - if an I/O error occurs.
public void writeChar(int v)
throws IOException
DataOutputchar value, which
is comprised of two bytes, to the
output stream.
The byte values to be written, in the order
shown, are:
(byte)(0xff & (v >> 8))
(byte)(0xff & v)
The bytes written by this method may be
read by the readChar method
of interface DataInput, which
will then return a char equal
to (char)v.
writeChar in interface DataOutputv - the char value to be written.
IOException - if an I/O error occurs.
public void writeInt(int v)
throws IOException
DataOutputint value, which is
comprised of four bytes, to the output stream.
The byte values to be written, in the order
shown, are:
(byte)(0xff & (v >> 24))
(byte)(0xff & (v >> 16))
(byte)(0xff & (v >> 8))
(byte)(0xff & v)
The bytes written by this method may be read
by the readInt method of interface
DataInput, which will then
return an int equal to v.
writeInt in interface DataOutputv - the int value to be written.
IOException - if an I/O error occurs.
public void writeLong(long v)
throws IOException
DataOutputlong value, which is
comprised of four bytes, to the output stream.
The byte values to be written, in the order
shown, are:
(byte)(0xff & (v >> 56))
(byte)(0xff & (v >> 48))
(byte)(0xff & (v >> 40))
(byte)(0xff & (v >> 32))
(byte)(0xff & (v >> 24))
(byte)(0xff & (v >> 16))
(byte)(0xff & (v >> 8))
(byte)(0xff & v)
The bytes written by this method may be
read by the readLong method
of interface DataInput, which
will then return a long equal
to v.
writeLong in interface DataOutputv - the long value to be written.
IOException - if an I/O error occurs.
public void write(byte[] b,
int off,
int len)
throws IOException
OutputStreamlen bytes from the specified byte array
starting at offset off to this output stream.
The general contract for write(b, off, len) is that
some of the bytes in the array b are written to the
output stream in order; element b[off] is the first
byte written and b[off+len-1] is the last byte written
by this operation.
The write method of OutputStream calls
the write method of one argument on each of the bytes to be
written out. Subclasses are encouraged to override this method and
provide a more efficient implementation.
If b is null, a
NullPointerException is thrown.
If off is negative, or len is negative, or
off+len is greater than the length of the array
b, then an IndexOutOfBoundsException is thrown.
write in interface DataOutputwrite in class OutputStreamb - the data.off - the start offset in the data.len - the number of bytes to write.
IOException - if an I/O error occurs. In particular,
an IOException is thrown if the output
stream is closed.
public void write(byte[] b)
throws IOException
b.
If b is null,
a NullPointerException is thrown.
If b.length is zero, then
no bytes are written. Otherwise, the byte
b[0] is written first, then
b[1], and so on; the last byte
written is b[b.length-1].
write in interface DataOutputwrite in class OutputStreamb - the data.
IOException - if an I/O error occurs.OutputStream.write(byte[], int, int)
public final void writeByte(int v)
throws IOException
byte to the underlying output stream as
a 1-byte value. If no exception is thrown, the counter
written is incremented by 1.
writeByte in interface DataOutputv - a byte value to be written.
IOException - if an I/O error occurs.
public final void writeFloat(float v)
throws IOException
writeFloat in interface DataOutputv - the float value to be written
IOException - if an I/O error occurs.
public final void writeDouble(double v)
throws IOException
writeDouble in interface DataOutputv - the double value to be written
IOException - if an I/O error occurs.
public void writeBoolean(boolean v)
throws IOException
boolean value to this output stream.
If the argument v
is true, the value (byte)1
is written; if v is false,
the value (byte)0 is written.
The byte written by this method may
be read by the readBoolean
method of interface DataInput,
which will then return a boolean
equal to v.
writeBoolean in interface DataOutputv - the boolean to be written.
IOException - if an I/O error occurs.
public final void writeChars(String s)
throws IOException
writeChar method. If no exception is
thrown, the counter written is incremented by twice
the length of s.
writeChars in interface DataOutputs - a String value to be written.
IOException - if an I/O error occurs.DataOutputStream.writeChar(int)
public final void writeUTF(String str)
throws IOException
First, two bytes are written to the output stream as if by the
writeShort method giving the number of bytes to
follow. This value is the number of bytes actually written out,
not the length of the string. Following the length, each character
of the string is output, in sequence, using the UTF-8 encoding
for the character. If no exception is thrown, the counter
written is incremented by the total number of
bytes written to the output stream. This will be at least two
plus the length of str, and at most two plus
thrice the length of str.
writeUTF in interface DataOutputstr - a string to be written.
IOException - if an I/O error occurs.
|
" 2013 FRC Java API " |
|||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||