I have to allow a user to upload multiple files(can be image/video/audio)in a single request from my android application to the PHP server. I am using REST web service.
For this functionality, I am using the following code:
/* To upload the multiple documents */
public void uploadFile() {
String charset = "UTF-8";
File[] uploadFileArray = new File[mediaList.size()];
for (int i = 0; i < mediaList.size(); i++) {
uploadFileArray[i] = new File(mediaList.get(i).getMediaPath());
}
try {
MultipartUtility multipart = new MultipartUtility(upLoadServerUri, charset);
for (int i = 0; i < mediaList.size(); i++) {
if (isImage)) {
multipart.addFilePart("image_doc[]", uploadFileArray[i]);
}
else if (isVideo) {
multipart.addFilePart("video_doc[]", uploadFileArray[i]);
}
else if (isAudio) {
multipart.addFilePart("audio_doc[]", uploadFileArray[i]);
}
}
List<String> responseUploadDocument = multipart.finish();
System.out.println("SERVER REPLIED:");
for (String line : responseUploadDocument) {
System.out.println(line);
responseUploadDocumentString = line;
}
if (responseUploadDocumentString != null) {
JSONObject jsonObj = new JSONObject(responseUploadDocumentString);
statusUploadDoc = jsonObj.getString("status");
}
} catch (Exception e) {
e.printStackTrace();
}
}
And my MultipartUtility Class is as follows:
public class MultipartUtility {
private final String boundary;
private static final String LINE_FEED = "\r\n";
private HttpURLConnection httpConn;
private String charset;
private OutputStream outputStream;
private PrintWriter writer;
public MultipartUtility(String requestURL, String charset)
throws IOException {
this.charset = charset;
boundary = "===" + System.currentTimeMillis() + "===";
URL url = new URL(requestURL);
httpConn = (HttpURLConnection) url.openConnection();
***httpConn.setChunkedStreamingMode(0);***
httpConn.setUseCaches(false);
httpConn.setDoOutput(true); // indicates POST method
httpConn.setDoInput(true);
httpConn.setRequestProperty("Content-Type",
"multipart/form-data; boundary=" + boundary);
httpConn.setRequestProperty("User-Agent", "CodeJava Agent");
httpConn.setRequestProperty("Test", "Bonjour");
outputStream = httpConn.getOutputStream();
writer = new PrintWriter(new OutputStreamWriter(outputStream, charset),
true);
}
public void addFormField(String name, String value) {
writer.append("--" + boundary).append(LINE_FEED);
writer.append("Content-Disposition: form-data; name=\"" + name + "\"")
.append(LINE_FEED);
writer.append("Content-Type: text/plain; charset=" + charset).append(
LINE_FEED);
writer.append(LINE_FEED);
writer.append(value).append(LINE_FEED);
writer.flush();
}
public void addFilePart(String fieldName, File uploadFile)
throws IOException {
String fileName = uploadFile.getName();
writer.append("--" + boundary).append(LINE_FEED);
writer.append(
"Content-Disposition: form-data; name=\"" + fieldName
+ "\"; filename=\"" + fileName + "\"")
.append(LINE_FEED);
writer.append(
"Content-Type: "
+ URLConnection.guessContentTypeFromName(fileName))
.append(LINE_FEED);
writer.append("Content-Transfer-Encoding: binary").append(LINE_FEED);
writer.append(LINE_FEED);
writer.flush();
FileInputStream inputStream = new FileInputStream(uploadFile);
byte[] buffer = new byte[4096];
int bytesRead = -1;
while ((bytesRead = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, bytesRead);
}
outputStream.flush();
inputStream.close();
writer.append(LINE_FEED);
writer.flush();
}
public void addHeaderField(String name, String value) {
writer.append(name + ": " + value).append(LINE_FEED);
writer.flush();
}
public List<String> finish() throws IOException {
List<String> response = new ArrayList<String>();
writer.append(LINE_FEED).flush();
writer.append("--" + boundary + "--").append(LINE_FEED);
writer.close();
// checks server's status code first
int status = httpConn.getResponseCode();
if (status == HttpURLConnection.HTTP_OK) {
BufferedReader reader = new BufferedReader(new InputStreamReader(
httpConn.getInputStream()));
String line = null;
while ((line = reader.readLine()) != null) {
response.add(line);
}
reader.close();
httpConn.disconnect();
} else {
throw new IOException("Server returned non-OK status: " + status);
}
return response;
}
}
But now the problem is:
On Local Server:
- Allow to upload till 16MB [if setChunkedStremmingMode(0) is not set]
- Allow to upload till 150MB [if setChunkedStremmingMode(0) is set]
On Live Server:
- Allow to upload till 16MB [if setChunkedStremmingMode(0) is not set]
- Disallow to upload a single KB file [if setChunkedStremmingMode(0) is set]
My both local and live servers have the same configurations. I don't understand why setChunkedStremmingMode(0) doesn't work for the live server.
