HTTP: Difference between revisions
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=={{header|Java}}== |
=={{header|Java}}== |
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import java.io.*; |
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URL url = new URL("http://www.rosettacode.org"); |
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InputStreamReader is = new InputStreamReader(url.openStream()); |
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BufferedReader reader = new BufferedReader(is); |
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String line = ""; |
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while ( (line = reader.readLine()) != null) { |
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System.out.println(line); |
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reader.close(); |
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} |
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Only works in Java 1.5/5.0+ |
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<java>import java.util.Scanner; |
<java>import java.util.Scanner; |
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while( sc.hasNext() ) System.out.println(sc.nextLine()); |
while( sc.hasNext() ) System.out.println(sc.nextLine()); |
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} |
} |
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Apache Commons IO |
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<java>import org.apache.commons.io.IOUtils; |
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IOUtils.copy(new URL("http://rosettacode.org").openStream(),System.out); |
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}</java> |
}</java> |
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Revision as of 21:12, 23 October 2008
HTTP
You are encouraged to solve this task according to the task description, using any language you may know.
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.
C#
Not tested.
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
Java
<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()); }
}</java>
Apache Commons IO
<java>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); }
}</java>
Perl
<perl>using LWP::Simple; print get("http://www.rosettacode.org");</perl>
PHP
<php>print(file_get_contents("http://www.rosettacode.org"));</php>
Python
<python>import urllib url = urllib.urlopen("http://www.rosettacode.org") print url.read() url.close()</python>
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]