/**
* Makes a POST request and returns the server response.
*
* @param urlString the URL to post to
* @param nameValuePairs a map of name/value pairs to supply in the request.
* @return the server reply (either from the input stream or the error stream)
*/
public static String doPost(String urlString, Map<String, String> nameValuePairs)
throws IOException {
URL url = new URL(urlString);
URLConnection connection = url.openConnection();
connection.setDoOutput(true);
PrintWriter out = new PrintWriter(connection.getOutputStream());
boolean first = true;
for (Map.Entry<String, String> pair : nameValuePairs.entrySet()) {
if (first) first = false;
else out.print('&');
String name = pair.getKey();
String value = pair.getValue();
out.print(name);
out.print('=');
out.print(URLEncoder.encode(value, "UTF-8"));
}
out.close();
Scanner in;
StringBuilder response = new StringBuilder();
try {
in = new Scanner(connection.getInputStream());
} catch (IOException e) {
if (!(connection instanceof HttpURLConnection)) throw e;
InputStream err = ((HttpURLConnection) connection).getErrorStream();
if (err == null) throw e;
in = new Scanner(err);
}
while (in.hasNextLine()) {
response.append(in.nextLine());
response.append("\n");
}
in.close();
return response.toString();
}
/** Submits POST command to the server, and reads the reply. */
public boolean post(
String url,
String fileName,
String cryptToken,
String type,
String path,
String content,
String comment)
throws IOException {
String sep = "89692781418184";
while (content.indexOf(sep) != -1) sep += "x";
String message = makeMimeForm(fileName, cryptToken, type, path, content, comment, sep);
// for test
// URL server = new URL("http", "localhost", 80, savePath);
URL server =
new URL(getCodeBase().getProtocol(), getCodeBase().getHost(), getCodeBase().getPort(), url);
URLConnection connection = server.openConnection();
connection.setAllowUserInteraction(false);
connection.setDoOutput(true);
// connection.setDoInput(true);
connection.setUseCaches(false);
connection.setRequestProperty("Content-type", "multipart/form-data; boundary=" + sep);
connection.setRequestProperty("Content-length", Integer.toString(message.length()));
// System.out.println(url);
String replyString = null;
try {
DataOutputStream out = new DataOutputStream(connection.getOutputStream());
out.writeBytes(message);
out.close();
// System.out.println("Wrote " + message.length() +
// " bytes to\n" + connection);
try {
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String reply = null;
while ((reply = in.readLine()) != null) {
if (reply.startsWith("ERROR ")) {
replyString = reply.substring("ERROR ".length());
}
}
in.close();
} catch (IOException ioe) {
replyString = ioe.toString();
}
} catch (UnknownServiceException use) {
replyString = use.getMessage();
System.out.println(message);
}
if (replyString != null) {
// System.out.println("---- Reply " + replyString);
if (replyString.startsWith("URL ")) {
URL eurl = getURL(replyString.substring("URL ".length()));
getAppletContext().showDocument(eurl);
} else if (replyString.startsWith("java.io.FileNotFoundException")) {
// debug; when run from appletviewer, the http connection
// is not available so write the file content
if (path.endsWith(".draw") || path.endsWith(".map")) System.out.println(content);
} else showStatus(replyString);
return false;
} else {
showStatus(url + " saved");
return true;
}
}
