+++ /dev/null
-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.InputStream;\r
-import java.util.Random;\r
-import java.io.OutputStream;\r
-\r
-/**\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 = null;\r
- private OutputStream _os = null;\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
- write("\r\n");\r
- }\r
-\r
- /** Write a string followed by a newline */\r
- protected void writeln(String s) throws IOException {\r
- write(s);\r
- newline();\r
- }\r
-\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
- }\r
-\r
-\r
- /**\r
- * Creates a new multipart POST HTTP request for a specified URL\r
- * @param url the URL to send request to\r
- * @throws IOException\r
- */\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
- /** 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(inName);\r
- write('"');\r
- }\r
-\r
- /**\r
- * adds a string parameter to the request\r
- * @param name parameter name\r
- * @param value parameter value\r
- * @throws IOException\r
- */\r
- public void setParameter(String inName, String inValue) throws IOException\r
- {\r
- boundary();\r
- writeName(inName);\r
- newline(); newline();\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
- synchronized (in) {\r
- while((nread = in.read(buf, 0, buf.length)) >= 0) {\r
- out.write(buf, 0, nread);\r
- }\r
- }\r
- out.flush();\r
- buf = null;\r
- }\r
-\r
- /**\r
- * adds a file parameter to the request\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 inName, String inFilename, InputStream inStream) throws IOException\r
- {\r
- boundary();\r
- writeName(inName);\r
- write("; filename=\"");\r
- write(inFilename);\r
- write('"');\r
- newline();\r
- write("Content-Type: ");\r
- String type = URLConnection.guessContentTypeFromName(inFilename);\r
- if (type == null) {type = "application/octet-stream";}\r
- writeln(type);\r
- newline();\r
- pipe(inStream, _os);\r
- newline();\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
- {\r
- boundary();\r
- writeln("--");\r
- _os.close();\r
- return _connection.getInputStream();\r
- }\r
-\r
- /**\r
- * @return the HTTP response code, 200 for success or -1 if not available\r
- */\r
- public int getResponseCode() throws IOException\r
- {\r
- if (_connection != null && _connection instanceof HttpURLConnection) {\r
- return ((HttpURLConnection) _connection).getResponseCode();\r
- }\r
- return -1;\r
- }\r
-}\r