Java HTTP Request Tool class code (HTTPS supported)

 Packagecom.guyezhai.modules.utils;ImportJava.io.BufferedReader;ImportJava.io.DataOutputStream;Importjava.io.IOException;ImportJava.io.InputStreamReader;Importjava.net.HttpURLConnection;ImportJava.net.URL;ImportJava.net.URLEncoder;Importjava.security.cert.X509Certificate;ImportJava.util.Map;ImportJava.util.Map.Entry;ImportJavax.net.ssl.HostnameVerifier;Importjavax.net.ssl.HttpsURLConnection;ImportJavax.net.ssl.SSLContext;Importjavax.net.ssl.SSLSession;ImportJavax.net.ssl.X509TrustManager; Public classHttputils {/*** POST Request Remote HTTP page * *@paramcontentURL *@paramparams *@return     */     Public StaticString post (String contentURL, map<string, object>params) {StringBuilder Contentbuilder=NewStringBuilder (); HttpURLConnection Connection=NULL; DataOutputStream out=NULL; BufferedReader Reader=NULL; Try{Connection= (httpurlconnection)NewURL (contentURL). OpenConnection (); //set the socket timeoutConnection.setconnecttimeout (10000); Connection.setreadtimeout (20000); //The Post request cannot use the cacheConnection.setusecaches (false); //Urlconnection.setinstancefollowredirects is a member function and is used only for the current functionConnection.setinstancefollowredirects (true); Connection.setrequestproperty ("Content-type", "application/x-www-form-urlencoded"); Connection.setrequestmethod ("POST"); Connection.setdooutput (true);//whether to enter parameters//It is important to note that Connection.getoutputstream will implicitly connectConnection.connect (); out=NewDataOutputStream (Connection.getoutputstream ()); StringBuilder Parambbuilder=NewStringBuilder (); if(Params! =NULL) {                 for(Entry<string, object>E:params.entryset ()) {Parambbuilder.append (E.getkey ()). Append ("="). Append (Urlencoder.encode (string.valueof (E.getvalue ()), "UTF-8")). Append ("&"); } Parambbuilder.deletecharat (Parambbuilder.length ()-1); }            //Dataoutputstream.writebytes writes a 16-bit Unicode character in a string as a 8-bit character in the streamout.writebytes (parambbuilder.tostring ());                        Out.flush (); Reader=NewBufferedReader (NewInputStreamReader (Connection.getinputstream (), "UTF-8")); intBuffer = 0;  while(buffer = Reader.read ())! =-1) {contentbuilder.append (Char) (buffer); }                    } Catch(Exception e) {//Exception Handling}finally {            if(Out! =NULL) {                Try{out.close (); } Catch(IOException E1) {e1.printstacktrace (); }            }            if(Reader! =NULL) {                Try{reader.close (); } Catch(IOException E1) {e1.printstacktrace (); }            }                        if(Connection! =NULL) {connection.disconnect (); }        }        returncontentbuilder.tostring (); }        /*** Get Method Request * *@paramcontentURL *@return     */     Public Staticstring Get (String contenturl) {StringBuilder Contentbuilder=NewStringBuilder (); HttpURLConnection Connection=NULL; BufferedReader Reader=NULL; Try{Connection= (httpurlconnection)NewURL (contentURL). OpenConnection (); //set the socket timeoutConnection.setconnecttimeout (10000); Connection.setreadtimeout (20000); Connection.setrequestmethod ("GET");                        Connection.connect (); Reader=NewBufferedReader (NewInputStreamReader (Connection.getinputstream (), "UTF-8")); intBuffer = 0;  while(buffer = Reader.read ())! =-1) {contentbuilder.append (Char) (buffer); }        } Catch(Exception e) {//Exception Handling}finally {            if(Reader! =NULL) {                Try{reader.close (); } Catch(IOException E1) {e1.printstacktrace (); }            }            if(Connection! =NULL) {connection.disconnect (); }        }        returncontentbuilder.tostring (); }        /*** POST Request Remote HTTPS page * *@paramcontentURL *@paramparams *@return     */     Public StaticString Posthttps (String contentURL, map<string, object>params) {StringBuilder Contentbuilder=NewStringBuilder (); Httpsurlconnection Connection=NULL; DataOutputStream out=NULL; BufferedReader Reader=NULL; Try{hostnameverifier HNV=NewHostnameverifier () {@Override Public BooleanVerify (String hostname, sslsession session) {return true;                        }            }; X509trustmanager TrustManager=NewX509trustmanager () {@Override Publicx509certificate[] Getacceptedissuers () {return NULL; } @Override Public voidcheckservertrusted (x509certificate[] chain, String authtype) {} @Overr IDE Public voidcheckclienttrusted (x509certificate[] chain, String authtype) {}}; X509trustmanager[] Xtmarray=Newx509trustmanager[] {TrustManager}; Sslcontext Sslcontext= Sslcontext.getinstance ("TLS"); Sslcontext.init (NULL, Xtmarray,Newjava.security.SecureRandom ()); if(Sslcontext! =NULL) {httpsurlconnection.setdefaultsslsocketfactory (Sslcontext.getsocketfactory ());                        } httpsurlconnection.setdefaulthostnameverifier (HNV); Connection= (httpsurlconnection)NewURL (contentURL). OpenConnection (); //set the socket timeoutConnection.setconnecttimeout (10000); Connection.setreadtimeout (20000); //The Post request cannot use the cacheConnection.setusecaches (false); //Urlconnection.setinstancefollowredirects is a member function and is used only for the current functionConnection.setinstancefollowredirects (true); Connection.setrequestproperty ("Content-type", "application/x-www-form-urlencoded"); Connection.setrequestmethod ("POST"); Connection.setdooutput (true);//whether to enter parametersConnection.connect (); out=NewDataOutputStream (Connection.getoutputstream ()); StringBuilder Parambbuilder=NewStringBuilder (); if(Params! =NULL) {                 for(Entry<string, object>E:params.entryset ()) {Parambbuilder.append (E.getkey ()). Append ("="). Append (Urlencoder.encode (string.valueof (E.getvalue ()), "UTF-8")). Append ("&"); } Parambbuilder.deletecharat (Parambbuilder.length ()-1); }            //Dataoutputstream.writebytes writes a 16-bit Unicode character in a string as a 8-bit character in the streamout.writebytes (parambbuilder.tostring ());                        Out.flush (); Reader=NewBufferedReader (NewInputStreamReader (Connection.getinputstream (), "UTF-8")); intBuffer = 0;  while(buffer = Reader.read ())! =-1) {contentbuilder.append (Char) (buffer); }        } Catch(Exception e) {//Exception Handling}finally {            if(Out! =NULL) {                Try{out.close (); } Catch(IOException E1) {e1.printstacktrace (); }            }            if(Reader! =NULL) {                Try{reader.close (); } Catch(IOException E1) {e1.printstacktrace (); }            }            if(Connection! =NULL) {connection.disconnect (); }        }        returncontentbuilder.tostring (); }    }

Java HTTP Request Tool class code (HTTPS supported)