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java.lang.Objectjava.io.OutputStream
net.rim.device.api.crypto.cms.CMSOutputStream
net.rim.device.api.crypto.cms.CMSDataOutputStream
public final class CMSDataOutputStream
Implements a CMS data output stream so that outgoing data can be written to the output stream.
CMSDataInputStream| Field Summary |
|---|
| Fields inherited from class net.rim.device.api.crypto.cms.CMSOutputStream |
|---|
_contentType, _dataOut, _out, _outer |
| Constructor Summary | ||
|---|---|---|
|
CMSDataOutputStream(OutputStream out,
boolean outer)
Creates a data output stream. |
|
| Method Summary | ||
|---|---|---|
|
void |
close()
Closes this output stream and releases any system resources associated with this stream. |
|
void |
write(byte[] data,
int offset,
int length)
Writes len bytes from the specified byte array
starting at offset off to this output stream. |
| Methods inherited from class net.rim.device.api.crypto.cms.CMSOutputStream |
|---|
flush, write, write |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public CMSDataOutputStream(OutputStream out,
boolean outer)
out - The outputstream to write data too.outer - A boolean to determine if this is the outer CMS stream, since CMS streams
can be nested within themselves. The stream needs to know if it is the "outer" layer so it can do some extra
processing. For example, if you wish to sign and then encrypt a message, the CMSSignedDataOutputStream will
be the "outer" layer.| Method Detail |
|---|
public void write(byte[] data,
int offset,
int length)
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 class CMSOutputStreamdata - the data.offset - the start offset in the data.length - 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 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 CMSOutputStreamIOException - if an I/O error occurs.
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