public void writeObject(PDFWriter out)
{
int length = 0;
for (TempBuffer ptr = _jpegHead; ptr != null; ptr = ptr.getNext())
{
length += ptr.getLength();
}
@out.println("<< /Type /XObject");
@out.println(" /Subtype /Image");
@out.println(" /Width " + _width);
@out.println(" /Height " + _height);
@out.println(" /ColorSpace /DeviceRGB");
@out.println(" /BitsPerComponent " + _bits);
@out.println(" /Filter /DCTDecode");
@out.println(" /Length " + length);
@out.println(">>");
@out.println("stream");
for (TempBuffer ptr = _jpegHead; ptr != null; ptr = ptr.getNext())
{
@out.write(ptr.getBuffer(), 0, ptr.getLength());
}
@out.println();
@out.println("endstream");
}
/**
* Returns the buffer contents.
*/
public Value getContents()
{
try {
_out.flush();
StringValue bb = _env.createBinaryBuilder(_tempStream.getLength());
for (TempBuffer ptr = _tempStream.getHead();
ptr != null;
ptr = ptr.getNext())
{
bb.append(ptr.getBuffer(), 0, ptr.getLength());
}
return(bb);
} catch (IOException e) {
_env.error(e.ToString(), e);
return(BooleanValue.FALSE);
}
}
/**
* Returns the result as a string.
*/
public Value get_buffer(Env env)
{
TempStream ts = _tempStream;
_tempStream = null;
if (ts == null)
{
return(BooleanValue.FALSE);
}
StringValue result = env.createBinaryBuilder();
for (TempBuffer ptr = ts.getHead();
ptr != null;
ptr = ptr.getNext())
{
result.append(ptr.getBuffer(), 0, ptr.getLength());
}
ts.destroy();
return(result);
}
private bool setLobParameter(Env env, int index, Value value)
{
if (_preparedStmt == null)
{
return(false);
}
try {
if (value == null || value.isNull())
{
_preparedStmt.setObject(index, null);
}
else if (value.isString())
{
_preparedStmt.setBinaryStream(index,
value.toInputStream(),
value.length());
}
else
{
InputStream inputStream = value.toInputStream();
if (inputStream == null)
{
env.warning(L.l("type {0} ({1}) for parameter index {2} cannot be used for lob",
value.getType(), value.getClass(), index));
return(false);
}
int length = -1;
if (value instanceof FileReadValue)
{
length = (int)((FileReadValue)value).getLength();
if (length <= 0)
{
length = -1;
}
}
if (length < 0)
{
TempBuffer tempBuffer = TempBuffer.allocate();
try {
byte[] bytes = new byte[1024];
int len;
while ((len = inputStream.read(bytes, 0, 1024)) != -1)
{
tempBuffer.write(bytes, 0, len);
}
}
catch (IOException e) {
env.warning(e);
return(false);
}
TempReadStream tempReadStream = new TempReadStream(tempBuffer);
tempReadStream.setFreeWhenDone(true);
_preparedStmt.setBinaryStream(index,
new ReadStream(tempReadStream),
tempBuffer.getLength());
}
else
{
_preparedStmt.setBinaryStream(index, inputStream, length);
}
}
}
catch (SQLException e) {
setError(env, e);
return(false);
}
return(true);
}