|
|
@ -1,7 +1,7 @@ |
|
|
|
package com.arialyy.aria.util; |
|
|
|
package com.arialyy.aria.util; |
|
|
|
|
|
|
|
|
|
|
|
import java.io.BufferedReader; |
|
|
|
import java.io.BufferedReader; |
|
|
|
|
|
|
|
|
|
|
|
import java.io.File; |
|
|
|
import java.io.File; |
|
|
|
import java.io.FileInputStream; |
|
|
|
import java.io.FileInputStream; |
|
|
|
import java.io.IOException; |
|
|
|
import java.io.IOException; |
|
|
@ -14,138 +14,131 @@ import java.net.URL; |
|
|
|
import java.net.URLConnection; |
|
|
|
import java.net.URLConnection; |
|
|
|
import java.util.ArrayList; |
|
|
|
import java.util.ArrayList; |
|
|
|
import java.util.List; |
|
|
|
import java.util.List; |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
/** |
|
|
|
* This utility class provides an abstraction layer for sending multipart HTTP |
|
|
|
* This utility class provides an abstraction layer for sending multipart HTTP |
|
|
|
* POST requests to a web server. |
|
|
|
* POST requests to a web server. |
|
|
|
* @author www.codejava.net |
|
|
|
|
|
|
|
* |
|
|
|
* |
|
|
|
|
|
|
|
* @author www.codejava.net |
|
|
|
*/ |
|
|
|
*/ |
|
|
|
public class MultipartUtility { |
|
|
|
public class MultipartUtility { |
|
|
|
private final String boundary; |
|
|
|
private final String boundary; |
|
|
|
private static final String LINE_FEED = "\r\n"; |
|
|
|
private static final String LINE_FEED = "\r\n"; |
|
|
|
private HttpURLConnection httpConn; |
|
|
|
private HttpURLConnection httpConn; |
|
|
|
private String charset; |
|
|
|
private String charset; |
|
|
|
private OutputStream outputStream; |
|
|
|
private OutputStream outputStream; |
|
|
|
private PrintWriter writer; |
|
|
|
private PrintWriter writer; |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
/** |
|
|
|
* This constructor initializes a new HTTP POST request with content type |
|
|
|
* This constructor initializes a new HTTP POST request with content type |
|
|
|
* is set to multipart/form-data |
|
|
|
* is set to multipart/form-data |
|
|
|
* @param requestURL |
|
|
|
* |
|
|
|
* @param charset |
|
|
|
* @throws IOException |
|
|
|
* @throws IOException |
|
|
|
*/ |
|
|
|
*/ |
|
|
|
public MultipartUtility(String requestURL, String charset) throws IOException { |
|
|
|
public MultipartUtility(String requestURL, String charset) |
|
|
|
this.charset = charset; |
|
|
|
throws IOException { |
|
|
|
|
|
|
|
this.charset = charset; |
|
|
|
// creates a unique boundary based on time stamp
|
|
|
|
|
|
|
|
boundary = "===" + System.currentTimeMillis() + "==="; |
|
|
|
// creates a unique boundary based on time stamp
|
|
|
|
|
|
|
|
boundary = "===" + System.currentTimeMillis() + "==="; |
|
|
|
URL url = new URL(requestURL); |
|
|
|
|
|
|
|
httpConn = (HttpURLConnection) url.openConnection(); |
|
|
|
URL url = new URL(requestURL); |
|
|
|
httpConn.setUseCaches(false); |
|
|
|
httpConn = (HttpURLConnection) url.openConnection(); |
|
|
|
httpConn.setDoOutput(true); // indicates POST method
|
|
|
|
httpConn.setUseCaches(false); |
|
|
|
httpConn.setDoInput(true); |
|
|
|
httpConn.setDoOutput(true); // indicates POST method
|
|
|
|
httpConn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary); |
|
|
|
httpConn.setDoInput(true); |
|
|
|
//httpConn.setRequestProperty("User-Agent", "CodeJava Agent");
|
|
|
|
httpConn.setRequestProperty("Content-Type", |
|
|
|
//httpConn.setRequestProperty("Test", "Bonjour");
|
|
|
|
"multipart/form-data; boundary=" + boundary); |
|
|
|
outputStream = httpConn.getOutputStream(); |
|
|
|
//httpConn.setRequestProperty("User-Agent", "CodeJava Agent");
|
|
|
|
writer = new PrintWriter(new OutputStreamWriter(outputStream, charset), true); |
|
|
|
//httpConn.setRequestProperty("Test", "Bonjour");
|
|
|
|
} |
|
|
|
outputStream = httpConn.getOutputStream(); |
|
|
|
|
|
|
|
writer = new PrintWriter(new OutputStreamWriter(outputStream, charset), |
|
|
|
/** |
|
|
|
true); |
|
|
|
* Adds a form field to the request |
|
|
|
} |
|
|
|
* |
|
|
|
|
|
|
|
* @param name field name |
|
|
|
/** |
|
|
|
* @param value field value |
|
|
|
* Adds a form field to the request |
|
|
|
*/ |
|
|
|
* @param name field name |
|
|
|
public void addFormField(String name, String value) { |
|
|
|
* @param value field value |
|
|
|
writer.append("--" + boundary).append(LINE_FEED); |
|
|
|
*/ |
|
|
|
writer.append("Content-Disposition: form-data; name=\"" + name + "\"").append(LINE_FEED); |
|
|
|
public void addFormField(String name, String value) { |
|
|
|
writer.append("Content-Type: text/plain; charset=" + charset).append(LINE_FEED); |
|
|
|
writer.append("--" + boundary).append(LINE_FEED); |
|
|
|
writer.append(LINE_FEED); |
|
|
|
writer.append("Content-Disposition: form-data; name=\"" + name + "\"") |
|
|
|
writer.append(value).append(LINE_FEED); |
|
|
|
.append(LINE_FEED); |
|
|
|
writer.flush(); |
|
|
|
writer.append("Content-Type: text/plain; charset=" + charset).append( |
|
|
|
} |
|
|
|
LINE_FEED); |
|
|
|
|
|
|
|
writer.append(LINE_FEED); |
|
|
|
/** |
|
|
|
writer.append(value).append(LINE_FEED); |
|
|
|
* Adds a upload file section to the request |
|
|
|
writer.flush(); |
|
|
|
* |
|
|
|
} |
|
|
|
* @param fieldName name attribute in <input type="file" name="..." /> |
|
|
|
|
|
|
|
* @param uploadFile a File to be uploaded |
|
|
|
/** |
|
|
|
* @throws IOException |
|
|
|
* Adds a upload file section to the request |
|
|
|
*/ |
|
|
|
* @param fieldName name attribute in <input type="file" name="..." /> |
|
|
|
public void addFilePart(String fieldName, File uploadFile) throws IOException { |
|
|
|
* @param uploadFile a File to be uploaded |
|
|
|
String fileName = uploadFile.getName(); |
|
|
|
* @throws IOException |
|
|
|
writer.append("--" + boundary).append(LINE_FEED); |
|
|
|
*/ |
|
|
|
writer.append( |
|
|
|
public void addFilePart(String fieldName, File uploadFile) |
|
|
|
"Content-Disposition: form-data; name=\"" + fieldName + "\"; filename=\"" + fileName + "\"") |
|
|
|
throws IOException { |
|
|
|
.append(LINE_FEED); |
|
|
|
String fileName = uploadFile.getName(); |
|
|
|
writer.append("Content-Type: " + URLConnection.guessContentTypeFromName(fileName)) |
|
|
|
writer.append("--" + boundary).append(LINE_FEED); |
|
|
|
.append(LINE_FEED); |
|
|
|
writer.append( |
|
|
|
writer.append("Content-Transfer-Encoding: binary").append(LINE_FEED); |
|
|
|
"Content-Disposition: form-data; name=\"" + fieldName |
|
|
|
writer.append(LINE_FEED); |
|
|
|
+ "\"; filename=\"" + fileName + "\"") |
|
|
|
writer.flush(); |
|
|
|
.append(LINE_FEED); |
|
|
|
|
|
|
|
writer.append( |
|
|
|
FileInputStream inputStream = new FileInputStream(uploadFile); |
|
|
|
"Content-Type: " |
|
|
|
byte[] buffer = new byte[4096]; |
|
|
|
+ URLConnection.guessContentTypeFromName(fileName)) |
|
|
|
int bytesRead = -1; |
|
|
|
.append(LINE_FEED); |
|
|
|
while ((bytesRead = inputStream.read(buffer)) != -1) { |
|
|
|
writer.append("Content-Transfer-Encoding: binary").append(LINE_FEED); |
|
|
|
outputStream.write(buffer, 0, bytesRead); |
|
|
|
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(); |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
|
|
* Adds a header field to the request. |
|
|
|
|
|
|
|
* @param name - name of the header field |
|
|
|
|
|
|
|
* @param value - value of the header field |
|
|
|
|
|
|
|
*/ |
|
|
|
|
|
|
|
public void addHeaderField(String name, String value) { |
|
|
|
|
|
|
|
writer.append(name + ": " + value).append(LINE_FEED); |
|
|
|
|
|
|
|
writer.flush(); |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
outputStream.flush(); |
|
|
|
/** |
|
|
|
inputStream.close(); |
|
|
|
* Completes the request and receives response from the server. |
|
|
|
|
|
|
|
* @return a list of Strings as response in case the server returned |
|
|
|
writer.append(LINE_FEED); |
|
|
|
* status OK, otherwise an exception is thrown. |
|
|
|
writer.flush(); |
|
|
|
* @throws IOException |
|
|
|
} |
|
|
|
*/ |
|
|
|
|
|
|
|
public List<String> finish() throws IOException { |
|
|
|
/** |
|
|
|
List<String> response = new ArrayList<String>(); |
|
|
|
* Adds a header field to the request. |
|
|
|
|
|
|
|
* |
|
|
|
writer.append(LINE_FEED).flush(); |
|
|
|
* @param name - name of the header field |
|
|
|
writer.append("--" + boundary + "--").append(LINE_FEED); |
|
|
|
* @param value - value of the header field |
|
|
|
writer.close(); |
|
|
|
*/ |
|
|
|
|
|
|
|
public void addHeaderField(String name, String value) { |
|
|
|
// checks server's status code first
|
|
|
|
writer.append(name + ": " + value).append(LINE_FEED); |
|
|
|
int status = httpConn.getResponseCode(); |
|
|
|
writer.flush(); |
|
|
|
if (status == HttpURLConnection.HTTP_OK) { |
|
|
|
} |
|
|
|
BufferedReader reader = new BufferedReader(new InputStreamReader( |
|
|
|
|
|
|
|
httpConn.getInputStream())); |
|
|
|
/** |
|
|
|
String line = null; |
|
|
|
* Completes the request and receives response from the server. |
|
|
|
while ((line = reader.readLine()) != null) { |
|
|
|
* |
|
|
|
response.add(line); |
|
|
|
* @return a list of Strings as response in case the server returned |
|
|
|
} |
|
|
|
* status OK, otherwise an exception is thrown. |
|
|
|
reader.close(); |
|
|
|
* @throws IOException |
|
|
|
httpConn.disconnect(); |
|
|
|
*/ |
|
|
|
} else { |
|
|
|
public List<String> finish() throws IOException { |
|
|
|
throw new IOException("Server returned non-OK status: " + status); |
|
|
|
List<String> response = new ArrayList<String>(); |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
writer.append(LINE_FEED).flush(); |
|
|
|
return response; |
|
|
|
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; |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
} |