source code using javacurl in linux

please give me source code to using javacurl in linux.

thnx

i have download javacurl in source forge.net but it's not working well in linux.
i wan to use "curl".
please give me source code for using curl.

thnx

It's not working well ... in what way is it not working well?

Quote:

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please give me source code for using curl.

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Why don't you give specific problems that you're having? No one is going to do your work for you whether it's homework or not. Such requests need to have some dollar signs at the end. Else, post what you're having trouble with and don't order people to spend their personal time creating code you're not willing to make yourself.

this is source code for using javacurl. i use this source code in linux but still not working.
please help me

Code:

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//__________________________________________________________________-
package javaapplication;

import org.curl.*;

class test implements CurlWrite {
//        static String ca_cert_file = "C:\\eclipse\\plugins\\org.curl_1.0.0\\os\\win32\\x86\\ca-bundle.crt";
        static String ca_cert_file = "ca-bundle.crt";
        static StringBuffer sbResponse = new StringBuffer(16384);

    public int handleString(byte s[])
    {
        /* output everything */
//        System.out.println("IIIIIIIIIII -------------- OOOOOOOOOOOOOOOOOOO");
//        try {
            System.out.println(s.length);
//            String temp = new String(s);
        sbResponse.append(new String(s));

//        }
//        catch (java.io.IOException moo) {
          // nothing
//        }
        return 0;
    }

    public static void main(String[] args)
    {
               

        try {
                        test cw = null;

                // Register callback write function
                CurlGlue cg = new CurlGlue();
               
                // this will throw a ERROR_NO_CALLBACK_INSTANCE exception, non-fatal
                        try {
                                cg.setopt(CURL.OPT_WRITEFUNCTION, cw);
                        } catch (CURLException e) {
                                System.out.println("Wouldn't have thrown an error if we instantiated test() first!");
                        }
               
                // we must first instantiate the CurlWrite interface
                cw = new test();
               
                // set the callback function
                cg.setopt(CURL.OPT_WRITEFUNCTION, cw);
               
                        cg.setopt(CURL.OPT_VERBOSE, 3);
                        cg.setopt(CURL.OPT_FOLLOWLOCATION, 1);
//                        cg.setopt(CURL.OPT_FRESH_CONNECT, 0);
                       
                        // I have not tested whether or not the verify peer functions
                        // work with my java implementation. I will be working on this.
                        // Better to turn them off for now
                        cg.setopt(CURL.OPT_SSL_VERIFYPEER, 0);
                        cg.setopt(CURL.OPT_SSL_VERIFYHOST, 0);
                        cg.setopt(CURL.OPT_SSLCERTTYPE, "PEM");
                        cg.setopt(CURL.OPT_SSLVERSION, 3);
                       
                        int result = cg.setopt(CURL.OPT_URL, "http://10.26.5.1/fts2-rev/frontoffice/index.html");
                        cg.setopt(CURL.OPT_HTTPGET, 1);
                        result = cg.perform();
                       
                        // clean everything up.
                        cg.finalize();
                } catch (Exception e) {
                      e.printStackTrace();
                }
               
                System.out.println("***** OUTPUT STRINGBUFFER *****");
                System.out.println("Bytes returned to SB: " + sbResponse.length());
                String[] splits = sbResponse.toString().split("\n");
                System.out.println("Num lines: " + splits.length);
                System.out.println(sbResponse.toString());
    }
}
//______________________________________

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but this error
Exception in thread "main" org.curl.CURLError: Critical libraries couldn't be loaded
at org.curl.CURL.error(CURL.java:1473)
at org.curl.CURL.error(CURL.java:1408)
at org.curl.CURL.error(CURL.java:1399)
at org.curl.CurlGlue.error(CurlGlue.java:70)
at org.curl.CurlGlue.<clinit>(CurlGlue.java:171)
at javaapplication.test.main(test.java:34)

i use

It can't load the native library. Have you installed curl (not JavaCurl) correctly?

i have install curl (curl-7.16.1.tar.gz) in knoppix linux but i don't know how to run this curl.

please tell me how to run curl.

thnx