JAVA sends HTTP GET/POST requests, invokes HTTP interfaces, methods __java

Import Java.io.BufferedReader;
Import java.io.IOException;  
Import Java.io.InputStream;  
Import Java.io.InputStreamReader;
Import Java.io.OutputStreamWriter;  
Import java.io.UnsupportedEncodingException;  
Import java.net.HttpURLConnection;
Import java.net.InetSocketAddress;
Import Java.net.Proxy; 
Import Java.net.URL;
Import java.net.URLConnection;
Import java.util.List;

Import Java.util.Map; /** * HTTP Request Tool class * @author snowfigure * @since 2014-8-24 13:30:56 * @version v1.0.1/public class Httprequestut
    Il {static Boolean proxyset = false;
    static String ProxyHost = "127.0.0.1";
    static int proxyport = 8087; /** * Code * @param source * @return/public static string UrlEncode (String source,string Enc  
        ODE) {String result = source;  
        try {result = Java.net.URLEncoder.encode (Source,encode);  
            catch (Unsupportedencodingexception e) {e.printstacktrace (); Return "0";  
    return result;  
        public static string URLENCODEGBK (string source) {string result = Source;  
        try {result = Java.net.URLEncoder.encode (source, "GBK");  
            catch (Unsupportedencodingexception e) {e.printstacktrace ();  
        return "0";  
    return result; /** * Initiates HTTP request fetch return result * @param req_url request Address * @return/public static String Httpreques  
        T (String req_url) {StringBuffer buffer = new StringBuffer ();  
            try {URL url = new URL (req_url);  

            HttpURLConnection httpurlconn = (httpurlconnection) url.openconnection ();  
            Httpurlconn.setdooutput (FALSE);  
            Httpurlconn.setdoinput (TRUE);  

            Httpurlconn.setusecaches (FALSE);  
            Httpurlconn.setrequestmethod ("get");  

            Httpurlconn.connect (); Converts the returned input flow to a string InputStream InputStream = Httpurlconn.getinputstream ();  
            InputStreamReader InputStreamReader = new InputStreamReader (InputStream, "utf-8");  

            BufferedReader BufferedReader = new BufferedReader (InputStreamReader);  
            String str = NULL;  
            while (str = Bufferedreader.readline ())!= null) {buffer.append (str);  
            } bufferedreader.close ();  
            Inputstreamreader.close ();  
            Releasing resources inputstream.close ();  
            InputStream = null;  

        Httpurlconn.disconnect ();  
        catch (Exception e) {System.out.println (E.getstacktrace ());  
    return buffer.tostring (); /** * Send HTTP request to get return input stream * @param requesturl request Address * @return InputStream * * Public stat  
        IC InputStream httprequestio (String requesturl) {InputStream inputstream = null; try {URL url = new URL (requeSturl);  
            HttpURLConnection httpurlconn = (httpurlconnection) url.openconnection ();  
            Httpurlconn.setdoinput (TRUE);  
            Httpurlconn.setrequestmethod ("get");  
            Httpurlconn.connect ();  
        Gets the returned input stream inputstream = Httpurlconn.getinputstream ();  
        catch (Exception e) {e.printstacktrace ();  
    return inputstream;            /** * Request to send a GET method to the specified URL * * @param URL * Send the requested URL * @param param *
     Request parameter, the request parameter should be the form of name1=value1&name2=value2. * @return The response result of the remote resource represented by the URL/public static string Sendget (string URL, string param) {String results = ""
        ;
        BufferedReader in = null;
            try {String urlnamestring = URL + '? ' + param;
            URL realurl = new URL (urlnamestring);
            The connection between open and URL urlconnection connection = Realurl.openconnection (); Set the generic request genusSexual Connection.setrequestproperty ("accept", "*/*");
            Connection.setrequestproperty ("Connection", "keep-alive"); Connection.setrequestproperty ("User-agent", "mozilla/4.0" (compatible; MSIE 6.0; Windows NT 5.1;
            SV1) ");
            Establish the actual connection connection.connect ();
            Gets all response header fields Map<string, list<string>> Map = Connection.getheaderfields (); Iterate through all the response header fields for (String Key:map.keySet ()) {System.out.println (key +--->) + map.get (k
            EY));
                    }//define BufferedReader input stream to read URL response in = new BufferedReader (New InputStreamReader (
            Connection.getinputstream ()));
            String Line;
            while (line = In.readline ())!= null) {result + = line; Exception e {System.out.println ("Send Get request exception.
            "+ e);
        E.printstacktrace ();
    }    Use the finally block to close the input stream finally {try {if (in!= null) {In.close
                ();
            } catch (Exception E2) {e2.printstacktrace ();
    } return result;            /** * Request * Send the Post method to the specified URL * * @param URL * Send the requested URL * @param param *
     Request parameter, the request parameter should be the form of name1=value1&name2=value2. * @param isproxy * Use proxy mode * @return The response result of a remote resource on behalf of/public static String Sendpost (Strin
        G URL, String param,boolean isproxy) {outputstreamwriter out = null;
        BufferedReader in = null;
        String result = "";
            try {URL realurl = new URL (URL);
            HttpURLConnection conn = null; if (IsProxy) {//using proxy mode @SuppressWarnings ("static-access") Proxy proxy = new Proxy (proxy.type . DIRECT. HTTP, New Inetsocketaddress (ProxyHost, ProxypoRT));
            conn = (httpurlconnection) realurl.openconnection (proxy);
            }else{conn = (httpurlconnection) realurl.openconnection ();
            //Open and URL connection//Send POST request must be set as follows two lines conn.setdooutput (true);
            Conn.setdoinput (TRUE);    Conn.setrequestmethod ("POST");
            Post method/Set Common request attribute Conn.setrequestproperty ("accept", "*/*");
            Conn.setrequestproperty ("Connection", "keep-alive"); Conn.setrequestproperty ("User-agent", "mozilla/4.0" (compatible; MSIE 6.0; Windows NT 5.1;
            SV1) ");

            Conn.setrequestproperty ("Content-type", "application/x-www-form-urlencoded");

            Conn.connect ();
            Gets the output stream corresponding to the URLConnection object = new OutputStreamWriter (Conn.getoutputstream (), "UTF-8");
            Send request parameter out.write (param);
            Flush output Stream Buffer Out.flush (); DefinedBufferedReader input stream to read the response of the URL in = new BufferedReader (New InputStreamReader Conn.getinputstr
            EAM ()));
            String Line;
            while (line = In.readline ())!= null) {result + = line; Exception e {System.out.println ("send POST request exception.
            "+e);
        E.printstacktrace (); ///Use finally block to turn off output stream, input stream finally{try{if (out!=null) {out.
                Close ();
                } if (In!=null) {in.close ();
            } catch (IOException ex) {ex.printstacktrace ();
    } return result;
        public static void Main (string[] args) {//demo: proxy access String URL = "http://api.adf.ly/api.php"; 

       String para = "key=youkeyid&youuid=uid&advert_type=int&domain=adf.ly&url=http://somewebsite.com"; String Sr=httprequestutil.sendpost (url,para,true);
    System.out.println (SR);

 }

}

/** * Send HTTP POST request * * @param xmlinfo * JSON converted to a string * @param URL * please Request URL * @return return info/public static string Dohttppost (String xmlinfo, String URL) {System.out.prin
        TLN ("launched data:" + xmlinfo);
        byte[] XmlData = Xmlinfo.getbytes ();
        InputStream instr = null;
        Java.io.ByteArrayOutputStream out = null;
            try {URL url = new url (URL);
            URLConnection Urlcon = Url.openconnection ();
            Urlcon.setdooutput (TRUE);
            Urlcon.setdoinput (TRUE);
            Urlcon.setusecaches (FALSE);
            Urlcon.setrequestproperty ("Content-type", "Application/json");
            Urlcon.setrequestproperty ("CharSet", "Utf-8");
            Urlcon.setrequestproperty ("Content-length", String.valueof (Xmldata.length));
            System.out.println (string.valueof (xmldata.length));
           DataOutputStream printout = new DataOutputStream (         Urlcon.getoutputstream ());
            Printout.write (XmlData);
            Printout.flush ();
            Printout.close ();
            InStr = Urlcon.getinputstream ();
            byte[] bis = Ioutils.tobytearray (instr);
            String responsestring = new string (bis, "UTF-8"); if ((responsestring = null) | | ("". Equals (Responsestring.trim ()))
            {System.out.println ("return null");
            } System.out.println ("Return data is:" + responsestring);

        return responsestring;
            catch (Exception e) {e.printstacktrace ();
        return "0";
                Finally {try {out.close ();

            Instr.close ();
            catch (Exception ex) {return "0"; }
        }
    }