public static String excutePost(
String targetURL,
String urlParameters,
String contentType,
String lang,
String user,
String pwd) {
URL url;
HttpURLConnection connection = null;
BufferedReader rd = null;
PrintWriter writer = null;
if (urlParameters == null) {
urlParameters = "";
}
Map<String, String> params = URLHelper.getParams(urlParameters);
StringBuffer encodedParam = new StringBuffer();
String sep = "";
for (Map.Entry<String, String> param : params.entrySet()) {
encodedParam.append(sep);
encodedParam.append(param.getKey());
encodedParam.append("=");
encodedParam.append(URLEncoder.encode(param.getValue()));
sep = "&";
}
if (urlParameters == null) {
urlParameters = "";
}
try {
// Create connection
url = new URL(targetURL);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestProperty("Content-Type", contentType);
connection.setRequestProperty("Content-Language", lang);
connection.setDoOutput(true);
// user authentification
if (user != null && pwd != null) {
connection.setRequestProperty(
"Authorization", "Basic " + Base64.encodeBase64((user + ':' + pwd).getBytes()));
}
// Send request
writer = new PrintWriter(connection.getOutputStream());
writer.write(encodedParam.toString());
writer.flush();
// Get Response
InputStream is = connection.getInputStream();
String line;
rd = new BufferedReader(new InputStreamReader(is));
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
PrintStream out = new PrintStream(outStream);
while ((line = rd.readLine()) != null) {
out.println(line);
}
out.close();
return new String(outStream.toByteArray());
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
closeResource(rd, writer);
if (connection != null) {
connection.disconnect();
}
}
}
