/**
* Writes this messages body to the given output stream. This method may only be called once
* during the lifetime of this message.
*
* @param os an output stream
* @exception IOException if there is an I/O error
*/
public void write(OutputStream os) throws IOException {
Assert.isTrue(!inputRead);
Assert.isTrue(!hasInputStream);
int bytesRead = 0;
int totalBytesRead = 0;
byte[] buffer = bufferPool.getBuffer();
long contentLength = getContentLength();
try {
while (bytesRead != -1 && (contentLength == -1 || contentLength > totalBytesRead)) {
if (contentLength == -1) {
bytesRead = is.read(buffer);
} else {
bytesRead =
is.read(buffer, 0, (int) Math.min(buffer.length, contentLength - totalBytesRead));
}
if (bytesRead == -1) {
if (contentLength >= 0) {
throw new IOException(Policy.bind("exception.unexpectedEndStream")); // $NON-NLS-1$
}
} else {
totalBytesRead += bytesRead;
os.write(buffer, 0, bytesRead);
}
}
} finally {
bufferPool.putBuffer(buffer);
inputRead = true;
}
}
