HTTP: Difference between revisions

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m (Code tags, using java5 instead of java gives better javadoc links)
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=={{header|C sharp|C#}}==
=={{header|C sharp|C#}}==


<code csharp>using System;
<code csharp>
using System;
using System.Net;
using System.Net;
using System.Text;
using System.Text;
Line 44: Line 45:
Console.WriteLine(content);
Console.WriteLine(content);
}
}
}
}</code>
</code>


=={{header|Erlang}}==
=={{header|Erlang}}==

Revision as of 08:50, 28 January 2009

Task
HTTP
You are encouraged to solve this task according to the task description, using any language you may know.

Print a URL's content (source code) to the console.

ActionScript

package {

   import flash.display.Sprite;
   import flash.events.Event;
   import flash.net.*;
   public class RequestExample extends Sprite
   {
       public function RequestExample()
       {
           var loader:URLLoader = new URLLoader();
           loader.addEventListener(Event.COMPLETE, loadComplete);
           loader.load(new URLRequest("http://www.rosettacode.org"));
       }
       private function loadComplete(evt:Event):void
       {
           trace(evt.target.data);
       }
   }

}

C#

using System; using System.Net; using System.Text;

class Program {

 static void Main()
 {
   string url = "http://www.rosettacode.org/";
   WebClient wc = new WebClient();
   byte[] data = wc.DownloadData(url);
   string content = Encoding.UTF8.GetString(data);
   Console.WriteLine(content);
 }

}

Erlang

Synchronous

-module(main).
-export([main/1]).

main([Url|[]]) ->
   inets:start(),
   case http:request(Url) of
       {ok, {_V, _H, Body}} -> io:fwrite("~p~n",[Body]);
       {error, Res} -> io:fwrite("~p~n", Res)
   end.

Asynchronous

-module(main).
-export([main/1]).

main([Url|[]]) ->
   inets:start(),
   http:request(get, {Url, [] }, [], [{sync, false}]),
   receive
       {http, {_ReqId, Res}} -> io:fwrite("~p~n",[Res]);
       _Any -> io:fwrite("Error: ~p~n",[_Any])
       after 10000 -> io:fwrite("Timed out.~n",[])
   end.

Using it

|escript ./req.erl http://www.rosettacode.org

Icon

link cfunc
procedure main(args)
   get(args[1])
end

procedure get(url)
   local f, host, port, path
   url ? {
         ="http://" | ="HTTP://"
         host := tab(upto(':/') | 0)
         if not (=":" & (port := integer(tab(upto('/'))))) then port := 80
         if pos(0) then path := "/" else path := tab(0)
   }
   write(host)
   write(path)
   f := tconnect(host, port) | stop("Unable to connect")
   writes(f, "GET ", path | "/" ," HTTP/1.0\r\n\r\n")
   while write(read(f))
end

Using it

|icon req.icn http://www.rosettacode.org

Java

import java.util.Scanner; import java.net.URL;

public class Main {

    public static void main(String[] args) throws Exception {         
        URL url = new URL("http://www.rosettacode.org");         
        Scanner sc = new Scanner(url.openStream());
        while( sc.hasNext() ) System.out.println(sc.nextLine());         
    }

}

Apache Commons IO

import org.apache.commons.io.IOUtils; import java.net.*;

public class Main {

   public static void main(String[] args) throws Exception {
   	IOUtils.copy(new URL("http://rosettacode.org").openStream(),System.out);    	    	    		    
   }

}

Perl

using LWP::Simple; print get("http://www.rosettacode.org");

PHP

print(file_get_contents("http://www.rosettacode.org"));

Python

import urllib url = urllib.urlopen("http://www.rosettacode.org") print url.read() url.close()

import urllib print urllib.urlopen("http://rosettacode.org").read()

Ruby

require 'open-uri' require 'kconv'

puts open("http://rosettacode.org").read

Tcl

package require http set request [http::geturl "http://www.rosettacode.org"] puts [http::data $request]

UNIX Shell

wget http://www.rosettacode.org -O tmp -o /dev/null cat tmp rm tmp or curl -s http://www.rosettacode.org/