	[x] Posted via EE Mobile
	Search, ask, and monitor your questions on the go with EE Mobile. Visit Experts Exchange from your mobile device and never be out of touch again.

Question

	[x] Attachment Details

[x]

The Solution Rating System

With so many solutions, how can you tell which solutions are most likely to help you and which ones are not? To provide you with a tool to use, we rate our solutions based on various elements that most accurately determine if a solution is a quality solution. To explain what factors affect the solution rating, here are the elements we take into consideration when formulating our solution rating.

The Grade of the Solution
The Zone Rank of the Expert Providing the Solution
The Number of Author and Expert Comments
The Number of Experts Contributing
The Feedback of the Community

Your Input Matters
Because of the way the system is set up, the most important variable in this equation is you. As a member of Experts Exchange, you are able to cast your vote on the quality of the solutions in regard to how complete, accurate, helpful and easy to understand each solution is. When you provide your feedback, each rating is adjusted accordingly. So, if you see a solution that has a poor rating that you think is a good solution, let us know by rating it. As you do, the rating will be adjusted and will become more accurate for other members of our site.

If you have any suggestions that you would like to make for our rating system, please ask a question in the Suggestions Zone of Community Support.

Thank you!

8.4

How can I use HttpURLConnection to post data to a web form?

Asked by lhjunius in NetBeans IDE, Java Programming Language, New to Java Programming

Tags: Java, httpurlconnection, javascript, perl, java.net.*

I'm trying to develop a little app to automatically upload GPS data to the website located here: http://www.ngs.noaa.gov/OPUS/. I've taken a look at the source code, and have a rough idea of what I need to do, but I'm trying to learn java development on the job, and have not ever worked with java.net.*.

There are four inputs that I need to give data to:
<input size="60" name="email_address" type="text">
(same email every time)

<input size="60" name="uploadfile" type="file"> ; a file that will change daily, I can develop the code to find the new path for the file, but I'm not sure if I pass the filepath string, or need to give this input some other object.

<select name="ant_type" size="1" style="background-color: rgb(255, 255, 255); color: rgb(0, 0, 0); font-family: courier;">

Need to select this option:
<option value="LEIAX1202GG NONE"> LEIAX1202GG     NONE GNSS, H/W Rev. 1.00                      
(not sure which part to pass to the server, I've been assuming "LEIAX1202GG NONE")

<input size="10" name="height" value="0.0" type="text">
(default value is fine)

The form is submitted by clicking "Opus Static", which runs among other things a function called LimitAttach ( note: <form enctype="multipart/form-data" name="updatesForm" method="post" onsubmit="return false;">
 ). Code for LimitAttach is included below, note that the form action is set to a script: Opusup.prl

Below LimitAttach I've attached the code I've got so far for the submit action:

Get your answer NOW

         
           
             1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
55:
56:
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
72:
73:
74:
75:
76:
77:
78:
79:
80:
81:
82:
83:
84:
85:
86:
87:
88:

           
           
             function LimitAttach(form, uploadfile_name,opusOption) {
      // 
      // This function does . . . (please describe here.)
      // 
     allowSubmit=true;
     var illegalChars = /[\!\@\#\$\%\^\&\*\(\)\+\=\t\n\r\f\v\{\}\[\]\|\;\"\'\<\>\?\~\`]/;
      // allow only letters, numbers, and underscores
 
     if (illegalChars.test(uploadfile_name)) {
       var errStr = "The filename contains illegal characters. \n";
       allowSubmit=false;
       alert(errStr);
       return false;
       }
 
     if (allowSubmit) {
 
       if (form == null) {
         return true;
         } else {
         var messageURL="wait.html";
 
         if(opusOption==2) { // OPUS-RS button clicked 
           messageURL="wait-RS.html";
           }
         // opusOption is set depending on which upload button is pressed - OPUS, OPUS-RS etc.
         window.document.forms['updatesForm'].elements['opusOption'].value = opusOption;
 
         if(opusOption==2) {
           window.document.forms['updatesForm'].action="/OPUS-cgi/OPUS/Opus-rsup.prl";
           } else {
           window.document.forms['updatesForm'].action="/OPUS-cgi/OPUS/Opusup.prl";
           }
 
         newWin = window.open(messageURL,"sub","status,height=200,width=600,screenX=200,screenY=400,left=200,top=400");
         form.submit();
         window.document.forms['updatesForm'].elements['set_profile'].value = '0';
         window.document.forms['updatesForm'].elements['delete_profile'].value = '0';
         window.document.forms['updatesForm'].elements['project_name'].value = '';
         }
       }
     }
 
 
 
 
 public static void doSubmit() {
      HttpURLConnection connection = null;
      OutputStreamWriter wr = null;
      StringBuilder sb = null;
      String line = null;
 
      URL serverAddress = null;
 
      try {
          serverAddress = new URL("http://www.ngs.noaa.gov/OPUS/");
          //set up out communications stuff
          connection = null;
 
          //Set up the initial connection
          connection = (HttpURLConnection)serverAddress.openConnection();
          connection.setRequestMethod("POST");
          connection.setDoOutput(true);
          connection.setReadTimeout(10000);
          connection.connect();
 
          wr = new OutputStreamWriter(connection.getOutputStream());
          wr.write("");
          wr.flush();
 
         
 
      } catch (MalformedURLException e) {
          e.printStackTrace();
      } catch (ProtocolException e) {
          e.printStackTrace();
      } catch (IOException e) {
          e.printStackTrace();
      }
      finally
      {
          //close the connection, set all objects to null
          connection.disconnect();
          sb = null;
          wr = null;
          connection = null;
      }
  }

           
         

20091111-EE-VQP-89 - Hierarchy / EE_QW_3_20080625

Hall of Fame

1. objects80,730
2. CEHJ54,025
3. mwvisa114,875
4. basav_com11,193
5. a_b8,500
6. Thomas4...5,680
7. hazgoduk5,500
8. rpnman5,220
9. jim_cakalic4,250
10. ksivananth4,175
11. evilrix4,000
12. Venabili3,800
13. gibu_geo...3,751
14. ozlevanon3,500
15. pramodkrjsr3,100
16. mrjoltcola3,000
17. cdittberner2,900
18. ushastry2,500
19. __geof__2,450
20. tbsgadi2,200
20. racmail2...2,200
22. abel2,000
22. pkwan2,000
22. scott2,000
22. Tintin2,000
22. Infinity082,000
22. Interactive...2,000
22. Adam3142,000
22. sanjooz2,000
22. dravidnsr2,000
22. SprudeVI2,000
22. dnunes_br2,000
22. Christofer...2,000
22. -epoch-2,000
22. shrikantss2,000
22. anilallewar2,000
22. khdani2,000
22. HylkeVdS2,000
22. sukalp2,000
22. Opalelement2,000
22. spule2,000
22. leakim9712,000
22. kadaba2,000
22. DanaGarcia2,000

1. objects117,300
2. CEHJ97,685
3. mwvisa130,875
4. girionis23,855
5. Nellios16,700
6. shivaspk11,250
7. basav_com11,193
8. Sankozi10,700
9. bluebelldis...8,640
10. a_b8,500
11. Venabili7,610
12. ksivananth6,295
13. Bart_Cr6,260
14. mayankea...6,152
15. Ajay-Singh6,150
16. manuel_m5,935
17. TimYates5,800
18. jkr5,750
19. Thomas4...5,680
20. hazgoduk5,500
21. rpnman5,220
22. contactka...5,000
22. evilrix5,000
24. cdittberner4,900
25. gibu_geo...4,751

How can I use HttpURLConnection to post data to a web form?

Asked by lhjunius in NetBeans IDE, Java Programming Language, New to Java Programming

Tags: Java, httpurlconnection, javascript, perl, java.net.*

About this solution