public static boolean buildEnvelope(int tag, String inputFileName, String outputFileName) {
boolean retval = false;
InputStream is = AqFileUtils.openFileInputStream(inputFileName);
OutputStream os = AqFileUtils.openFileOutputStream(outputFileName, false);
retval = buildEnvelope(tag, is, os);
return retval;
}
public boolean getData(String outputFileName, boolean saveCRC) {
// ^^FQB=entering Envelope.getData()
AqLog.getInstance().debug("^^FQB:" + outputFileName);
OutputStream os = null;
/*
** Create an output file based on the name.
*/
try {
os = AqFileUtils.openFileOutputStream(outputFileName, false);
} catch (Exception e) {
// The file may be corrupt.
// ^^FQ3=File could not be extracted from download. fileName:
AqLog.getInstance().info("^^FQ3 " + outputFileName);
return false;
}
boolean retval = false;
if (null != os) {
retval = getData(os);
if (saveCRC) {
ByteEncoder be = new ByteEncoder();
int icrc = (int) (this.getEnvelopeCrc() & 0xffffffff);
be.writeSignedInt(4, (icrc));
byte[] bcrc = be.getContent();
try {
os.write(bcrc, 0, 4);
os.flush();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// ^^FQF=closed GF os:
AqFileUtils.closeStream("^^FQF" + outputFileName, os);
}
return retval;
}