String postRequest(String url) {
HttpConnection hc = null;
DataInputStream in = null;
OutputStream os = null;
try {
hc = (HttpConnection) Connector.open(url);
hc.setRequestMethod(HttpConnection.POST);
hc.setRequestProperty("username", "bng");
hc.setRequestProperty("password", "123456");
os = hc.openDataOutputStream();
JSONObject jSONObject = new JSONObject();
jSONObject.put("start_count", 1);
jSONObject.put("end_count", 10);
jSONObject.put("type", 1);
// os.write("{\"start_count\":\"1\",\"end_count\":\"12\"}".getBytes());
os.write(jSONObject.toString().getBytes());
// Always get the Response code first .
int responseCode = hc.getResponseCode();
if (responseCode == HttpConnection.HTTP_OK) {
// You have successfully connected.
int length = (int) hc.getLength();
System.out.println("length : " + length);
byte[] data = null;
if (length != -1) {
data = new byte[length];
in = new DataInputStream(hc.openInputStream());
in.readFully(data);
} else {
// If content length is not given, read in chunks.
int chunkSize = 512;
int index = 0;
int readLength = 0;
in = new DataInputStream(hc.openInputStream());
data = new byte[chunkSize];
do {
if (data.length < index + chunkSize) {
byte[] newData = new byte[index + chunkSize];
System.arraycopy(data, 0, newData, 0, data.length);
data = newData;
}
readLength = in.read(data, index, chunkSize);
index += readLength;
} while (readLength == chunkSize);
length = index;
}
return new String(data);
// Image image = Image.createImage(data, 0, length);
// ImageItem imageItem = new ImageItem(null, image, 0, null);
// mForm.append(imageItem);
// mForm.setTitle("Done.");
} else {
// Problem with your connection
Dialog.show(null, "error downloading images", "OK", null);
return null;
}
} catch (Exception e) {
e.printStackTrace();
Dialog.show(null, "error downloading images", "OK", null);
return null;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
if (os != null) {
try {
os.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
if (hc != null) {
try {
hc.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
}
