package tim.prune.function.gpsies;\r
\r
+import java.net.HttpURLConnection;\r
import java.net.URLConnection;\r
import java.net.URL;\r
import java.io.IOException;\r
-import java.io.File;\r
import java.io.InputStream;\r
import java.util.Random;\r
import java.io.OutputStream;\r
-import java.io.FileInputStream;\r
\r
/**\r
- * Taken from Client HTTP Request class\r
+ * Taken from the Client HTTP Request class at com.myjavatools.web\r
+ * and subsequently simplified and modified\r
* @author Vlad Patryshev\r
*/\r
public class FormPoster\r
{\r
- private URLConnection _connection;\r
+ private URLConnection _connection = null;\r
private OutputStream _os = null;\r
- private static final Random random = new Random();\r
- private static final String boundary = "---------------------------"\r
+ private static final Random RANDOM_GEN = new Random();\r
+ private static final String BOUNDARY = "---------------------------"\r
+ randomString() + randomString() + randomString();\r
\r
\r
+ /** Connect (if not already connected) */\r
protected void connect() throws IOException {\r
if (_os == null) _os = _connection.getOutputStream();\r
}\r
\r
+ /** Write a single character */\r
protected void write(char c) throws IOException {\r
connect();\r
_os.write(c);\r
}\r
\r
+ /** Write a string */\r
protected void write(String s) throws IOException {\r
connect();\r
_os.write(s.getBytes());\r
}\r
\r
+ /** Write a -r-n newline sequence */\r
protected void newline() throws IOException {\r
- connect();\r
write("\r\n");\r
}\r
\r
+ /** Write a string followed by a newline */\r
protected void writeln(String s) throws IOException {\r
- connect();\r
write(s);\r
newline();\r
}\r
\r
- protected static String randomString() {\r
- return Long.toString(random.nextLong(), 36);\r
+ /** Generate a random alphanumeric string */\r
+ private static String randomString() {\r
+ return Long.toString(RANDOM_GEN.nextLong(), 36);\r
}\r
\r
+ /** Write a boundary marker */\r
private void boundary() throws IOException {\r
write("--");\r
- write(boundary);\r
+ write(BOUNDARY);\r
}\r
\r
- /**\r
- * Creates a new multipart POST HTTP request on a freshly opened URLConnection\r
- *\r
- * @param inConnection an already open URL connection\r
- * @throws IOException\r
- */\r
- public FormPoster(URLConnection inConnection) throws IOException\r
- {\r
- _connection = inConnection;\r
- _connection.setDoOutput(true);\r
- _connection.setRequestProperty("Content-Type",\r
- "multipart/form-data; boundary=" + boundary);\r
- }\r
\r
/**\r
* Creates a new multipart POST HTTP request for a specified URL\r
- *\r
* @param url the URL to send request to\r
* @throws IOException\r
*/\r
- public FormPoster(URL url) throws IOException {\r
- this(url.openConnection());\r
- }\r
-\r
- /**\r
- * Creates a new multipart POST HTTP request for a specified URL string\r
- *\r
- * @param urlString the string representation of the URL to send request to\r
- * @throws IOException\r
- */\r
- public FormPoster(String urlString) throws IOException {\r
- this(new URL(urlString));\r
+ public FormPoster(URL inUrl) throws IOException\r
+ {\r
+ _connection = inUrl.openConnection();\r
+ _connection.setDoOutput(true);\r
+ _connection.setRequestProperty("Content-Type",\r
+ "multipart/form-data; boundary=" + BOUNDARY);\r
}\r
\r
-\r
- private void writeName(String name) throws IOException\r
+ /** Write a header with the given name */\r
+ private void writeName(String inName) throws IOException\r
{\r
newline();\r
write("Content-Disposition: form-data; name=\"");\r
- write(name);\r
+ write(inName);\r
write('"');\r
}\r
\r
* @param value parameter value\r
* @throws IOException\r
*/\r
- public void setParameter(String name, String value) throws IOException\r
+ public void setParameter(String inName, String inValue) throws IOException\r
{\r
boundary();\r
- writeName(name);\r
+ writeName(inName);\r
newline(); newline();\r
- writeln(value);\r
+ writeln(inValue);\r
}\r
\r
+ /** Pipe the contents of the input stream to the output stream */\r
private static void pipe(InputStream in, OutputStream out) throws IOException\r
{\r
byte[] buf = new byte[500000];\r
int nread;\r
- int total = 0;\r
synchronized (in) {\r
while((nread = in.read(buf, 0, buf.length)) >= 0) {\r
out.write(buf, 0, nread);\r
- total += nread;\r
}\r
}\r
out.flush();\r
\r
/**\r
* adds a file parameter to the request\r
- * @param name parameter name\r
- * @param filename the name of the file\r
- * @param is input stream to read the contents of the file from\r
+ * @param inName parameter name\r
+ * @param inFilename the name of the file\r
+ * @param inStream input stream to read the contents of the file from\r
* @throws IOException\r
*/\r
- public void setParameter(String name, String filename, InputStream is) throws IOException\r
+ public void setParameter(String inName, String inFilename, InputStream inStream) throws IOException\r
{\r
boundary();\r
- writeName(name);\r
+ writeName(inName);\r
write("; filename=\"");\r
- write(filename);\r
+ write(inFilename);\r
write('"');\r
newline();\r
write("Content-Type: ");\r
- String type = URLConnection.guessContentTypeFromName(filename);\r
- if (type == null) type = "application/octet-stream";\r
+ String type = URLConnection.guessContentTypeFromName(inFilename);\r
+ if (type == null) {type = "application/octet-stream";}\r
writeln(type);\r
newline();\r
- pipe(is, _os);\r
+ pipe(inStream, _os);\r
newline();\r
}\r
\r
- /**\r
- * adds a file parameter to the request\r
- * @param name parameter name\r
- * @param file the file to upload\r
- * @throws IOException\r
- */\r
- public void setParameter(String name, File file) throws IOException {\r
- setParameter(name, file.getPath(), new FileInputStream(file));\r
- }\r
-\r
- /**\r
- * adds a parameter to the request; if the parameter is a File, the file is uploaded,\r
- * otherwise the string value of the parameter is passed in the request\r
- * @param name parameter name\r
- * @param object parameter value, a File or anything else that can be stringified\r
- * @throws IOException\r
- */\r
- public void setParameter(String name, Object object) throws IOException\r
- {\r
- if (object instanceof File) {\r
- setParameter(name, (File) object);\r
- } else {\r
- setParameter(name, object.toString());\r
- }\r
- }\r
-\r
/**\r
* posts the requests to the server\r
* @return input stream with the server response\r
* @throws IOException\r
*/\r
- public InputStream post() throws IOException {\r
+ public InputStream post() throws IOException\r
+ {\r
boundary();\r
writeln("--");\r
_os.close();\r
}\r
\r
/**\r
- * post the POST request to the server, with the specified parameter\r
- * @param name parameter name\r
- * @param value parameter value\r
- * @return input stream with the server response\r
- * @throws IOException\r
- * @see setParameter\r
- */\r
- public InputStream post(String name, Object value) throws IOException {\r
- setParameter(name, value);\r
- return post();\r
- }\r
-\r
- /**\r
- * post the POST request to the server, with the specified parameters\r
- * @param name1 first parameter name\r
- * @param value1 first parameter value\r
- * @param name2 second parameter name\r
- * @param value2 second parameter value\r
- * @return input stream with the server response\r
- * @throws IOException\r
- * @see setParameter\r
- */\r
- public InputStream post(String name1, Object value1, String name2, Object value2) throws IOException {\r
- setParameter(name1, value1);\r
- return post(name2, value2);\r
- }\r
-\r
- /**\r
- * post the POST request to the server, with the specified parameters\r
- * @param name1 first parameter name\r
- * @param value1 first parameter value\r
- * @param name2 second parameter name\r
- * @param value2 second parameter value\r
- * @param name3 third parameter name\r
- * @param value3 third parameter value\r
- * @return input stream with the server response\r
- * @throws IOException\r
- * @see setParameter\r
- */\r
- public InputStream post(String name1, Object value1, String name2, Object value2,\r
- String name3, Object value3) throws IOException\r
- {\r
- setParameter(name1, value1);\r
- return post(name2, value2, name3, value3);\r
- }\r
-\r
- /**\r
- * post the POST request to the server, with the specified parameters\r
- * @param name1 first parameter name\r
- * @param value1 first parameter value\r
- * @param name2 second parameter name\r
- * @param value2 second parameter value\r
- * @param name3 third parameter name\r
- * @param value3 third parameter value\r
- * @param name4 fourth parameter name\r
- * @param value4 fourth parameter value\r
- * @return input stream with the server response\r
- * @throws IOException\r
- * @see setParameter\r
- */\r
- public InputStream post(String name1, Object value1, String name2, Object value2,\r
- String name3, Object value3, String name4, Object value4) throws IOException\r
- {\r
- setParameter(name1, value1);\r
- return post(name2, value2, name3, value3, name4, value4);\r
- }\r
-\r
- /**\r
- * post the POST request specified URL, with the specified parameter\r
- * @param name parameter name\r
- * @param value parameter value\r
- * @return input stream with the server response\r
- * @throws IOException\r
- * @see setParameter\r
- */\r
- public static InputStream post(URL url, String name1, Object value1) throws IOException {\r
- return new FormPoster(url).post(name1, value1);\r
- }\r
-\r
- /**\r
- * post the POST request to specified URL, with the specified parameters\r
- * @param name1 first parameter name\r
- * @param value1 first parameter value\r
- * @param name2 second parameter name\r
- * @param value2 second parameter value\r
- * @return input stream with the server response\r
- * @throws IOException\r
- * @see setParameter\r
- */\r
- public static InputStream post(URL url, String name1, Object value1,\r
- String name2, Object value2) throws IOException\r
- {\r
- return new FormPoster(url).post(name1, value1, name2, value2);\r
- }\r
-\r
- /**\r
- * post the POST request to specified URL, with the specified parameters\r
- * @param name1 first parameter name\r
- * @param value1 first parameter value\r
- * @param name2 second parameter name\r
- * @param value2 second parameter value\r
- * @param name3 third parameter name\r
- * @param value3 third parameter value\r
- * @return input stream with the server response\r
- * @throws IOException\r
- * @see setParameter\r
+ * @return the HTTP response code, 200 for success or -1 if not available\r
*/\r
- public static InputStream post(URL url, String name1, Object value1, String name2, Object value2,\r
- String name3, Object value3) throws IOException\r
+ public int getResponseCode() throws IOException\r
{\r
- return new FormPoster(url).post(name1, value1, name2, value2, name3, value3);\r
- }\r
-\r
- /**\r
- * post the POST request to specified URL, with the specified parameters\r
- * @param name1 first parameter name\r
- * @param value1 first parameter value\r
- * @param name2 second parameter name\r
- * @param value2 second parameter value\r
- * @param name3 third parameter name\r
- * @param value3 third parameter value\r
- * @param name4 fourth parameter name\r
- * @param value4 fourth parameter value\r
- * @return input stream with the server response\r
- * @throws IOException\r
- * @see setParameter\r
- */\r
- public static InputStream post(URL url, String name1, Object value1, String name2, Object value2,\r
- String name3, Object value3, String name4, Object value4) throws IOException\r
- {\r
- return new FormPoster(url).post(name1, value1, name2, value2, name3, value3, name4, value4);\r
+ if (_connection != null && _connection instanceof HttpURLConnection) {\r
+ return ((HttpURLConnection) _connection).getResponseCode();\r
+ }\r
+ return -1;\r
}\r
}\r
projects / GpsPrune.git / blobdiff