Using URLConnection : URL « Network Protocol « Java

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Java » Network Protocol » URLScreenshots 
Using URLConnection
    
/* From http://java.sun.com/docs/books/tutorial/index.html */

/*
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 *
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 *  list of conditions and the following disclaimer.
 *
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 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 *
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 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
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 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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 * for use in the design, construction, operation or maintenance of any
 * nuclear facility.
 */

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;

public class Reverse {
  public static void main(String[] argsthrows Exception {

    if (args.length != 1) {
      System.err.println("Usage:  java Reverse " "string_to_reverse");
      System.exit(1);
    }

    String stringToReverse = URLEncoder.encode(args[0]);

    URL url = new URL("http://java.sun.com/cgi-bin/backwards");
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);

    PrintWriter out = new PrintWriter(connection.getOutputStream());
    out.println("string=" + stringToReverse);
    out.close();

    BufferedReader in = new BufferedReader(new InputStreamReader(connection
        .getInputStream()));
    String inputLine;

    while ((inputLine = in.readLine()) != null)
      System.out.println(inputLine);

    in.close();
  }
}
           
         
    
    
    
  
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36. check the validity of url pattern according to the spec.
37. A collection of File, URL and filename utility methods
38. Build Relative URL Path
39. Checks that the protocol://host:port part of two URLs are equal
40. Create valid URL from a system id
41. Extract URL File Name
42. Extract the URL page name from the given path
43. Get Domain Name
44. Get Locale From String
45. Get URL Last Modified
46. Get the name of the parent of the given URL path
47. Get the parent of the given URL path
48. Has URLContent Changed
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50. Normalize an URL
51. Normalizes an URL
52. Resolve a relative URL string against an absolute URL string
53. ResourceBundle String manager
54. Save URL contents to a file
55. URL Path: standardize the creation of mutation of path-like structures
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57. Add Default Port to a URL If Missing
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