Android to server get and post requests in two ways, Android sends files to the server, assembles its own protocol and uses third party open source

Tag: Android post file    android send file    android get POST request to server     Android send picture    

/** * @author [email protected] * @time 20140606 * * Package Com.intbird.utils;import Java.io.bufferedreader;import Java.io.dataoutputstream;import Java.io.file;import Java.io.fileinputstream;import Java.io.IOException;import Java.io.inputstream;import Java.io.inputstreamreader;import Java.net.httpurlconnection;import Java.net.URL;import Java.net.urlconnection;import Java.net.urldecoder;import Java.net.urlencoder;import Java.nio.charset.Charset; Import Java.util.arraylist;import java.util.hashmap;import Java.util.iterator;import Java.util.Map;import Org.apache.http.httpresponse;import Org.apache.http.client.httpclient;import Org.apache.http.client.methods.httpget;import Org.apache.http.client.methods.httppost;import Org.apache.http.entity.mime.multipartentity;import Org.apache.http.entity.mime.content.filebody;import Org.apache.http.entity.mime.content.stringbody;import Org.apache.http.impl.client.defaulthttpclient;import Org.apache.http.util.entityutils;import android.graphics.bItmap;import Android.graphics.bitmapfactory;import Android.os.handler;import Android.os.message;public class conninternet {/** * start connection */public static int http_status_start=0;/** * Connection process error */public static int http_status_error=400;/* * * Request succeeded, return data */public static int http_status_reultok=200;/** * Server not responding */public static int http_status_noresp=500;/** * Normal GET request * @param API * @param callBack */public static void Get1 (final String api,final conninternetcallback callBack) {FINA L Handler Handler=gethandle (API, CallBack); new Thread () {@Overridepublic void run () {Message msg=handler.obtainmessage ( Http_status_start, "Start connection"); try {URL url = new URL (API); HttpURLConnection urlconn = (httpurlconnection) url.openconnection (); int Rescode=urlconn.getresponsecode (); if ( Rescode!=http_status_reultok) {msg.what=http_status_noresp;msg.obj=rescode;handler.sendmessage (msg); return;} InputStreamReader instream=new InputStreamReader (Urlconn.getinputstream ()); BufferedReader buffer=new BufferedReader (instream); StringResult= ""; String Inputline=null;while ((Inputline=buffer.readline ())!=null) {result+=inputline;}    Msg.what=http_status_reultok;    Msg.obj=urldecoder.decode (Result, "UTF-8"); Instream.close (); Urlconn.disconnect ();}    catch (Exception ex) {msg.what=http_status_error; Msg.obj=ex.getmessage (). toString ();} Finally{handler.sendmessage (msg);}}. Start ();} public void Get3 (final String api,final Conninternetcallback callBack) {final Handler Handler=gethandle (API, CallBack); New Thread () {@Overridepublic void run () {Message msg=handler.obtainmessage (Http_status_start, "Start connection"); try {HttpGet Httpget=new HttpGet (API); HttpClient HttpClient = new Defaulthttpclient (); HttpResponse Httpresp = Httpclient.execute (httpget); int rescode=httpresp.getstatusline (). GetStatusCode (); if ( Rescode!=http_status_reultok) {msg.what=http_status_noresp;msg.obj=rescode;handler.sendmessage (msg); return;} msg.what=http_status_reultok;msg.obj= entityutils.tostring (Httpresp.getentity ());} catch (Exception e) {Msg.what=http_status_error; msg.obj= e.getmessage ();} Finally{handler.sendmessage (msg);}}. Start ();} private static Handler GetHandle (final String api,final conninternetcallback callBack) {return new Handler () {@ overridepublic void handlemessage (Message message) {//Do not write here!callback.callback (Message.what,api, Message.obj.toString ());}};} /** * Simple Type, only the post of the text message; * @param API API Address * @param params only field parameter * @param callBack return call; */public static void Post1 (final String api,final hashmap<string,string> params,final conninternetcallback CallBack) {final Handler Handler=gethandle (API, CallBack); new Thread () {@Overridepublic void run () {Message msg= Handler.obtainmessage (Http_status_start, "Start connection"); try {URL url=new url (API); HttpURLConnection urlconn = (httpurlconnection) url.openconnection (); Urlconn.setdoinput (true); UrlConn.setDoOutput ( true); Urlconn.setrequestmethod ("POST"); Urlconn.setusecaches (false); Urlconn.setinstancefollowredirects (true); Urlconn.setrequestproperty ("Content-type", "application/x-www-form-urlencoded"); URLCOnn.setrequestproperty ("Charset", "UTF-8"); Urlconn.connect ();              DataOutputStream out = new DataOutputStream (Urlconn.getoutputstream ());            Iterator<string> Iterator=params.keyset (). Iterator ();            while (Iterator.hasnext ()) {String key= iterator.next ();            String value= Urlencoder.encode (Params.get (key), "UTF-8");              Out.write ((key+ "=" +value+ "&"). GetBytes ());              } out.flush ();                      Out.close (); int Rescode=urlconn.getresponsecode (); if (Rescode!=http_status_reultok) {msg.what=http_status_noresp;msg.obj=            Rescode;handler.sendmessage (msg); return;}            String result= "";            String Readline=null;            InputStreamReader inputstream=new InputStreamReader (Urlconn.getinputstream ());            BufferedReader bufferreader=new BufferedReader (InputStream);            while ((Readline=bufferreader.readline ())!=null) {result+=readline; } msg.What=http_status_reultok;            Msg.obj=urldecoder.decode (Result, "UTF-8");            Inputstream.close ();            Bufferreader.close (); Urlconn.disconnect ();}    catch (Exception ex) {msg.what=http_status_error; Msg.obj=ex.getmessage (). toString () + ".";} finally{handler.sendmessage (msg);}}. Start ();} /** * Custom text and file Transfer Protocol [example at end of function]; * @param apiurl API Address * @param mapparams text field parameter * @param listupfiles multi-file parameter * @param callBack return call; */public static void Post2 (final String apiurl,final hashmap<string,string> mapparams,final arraylist< Conninternetuploadfile> Listupfiles,conninternetcallback callBack) {final Handler handler=gethandle (APIURL, CallBack); new Thread (New Runnable () {public void run () {Message msg=handler.obtainmessage (Http_status_start, "Start Connection"); String boundary= "——— 7d4a6454354fe54scd"; String prefix= "--"; String line_end= "\ r \ n"; Try{url url=new URL (Apiurl); HttpURLConnection urlconn= (httpurlconnection) url.openconnection (); Urlconn.setdooutput (true); UrlConn.Setdoinput (True); Urlconn.setusecaches (false); Urlconn.setrequestmethod ("POST"); Urlconn.setrequestproperty (" Connection "," keep-alive "), Urlconn.setrequestproperty (" Charset "," UTF-8 "); Urlconn.setrequestproperty (" Content-type "," Multipart/form-data; boundary= "+boundary);D ataoutputstream outstream=new DataOutputStream ( Urlconn.getoutputstream ()); for (map.entry<string,string> Entry:mapParams.entrySet ()) {StringBuilder sbparam= New StringBuilder (); Sbparam.append (PREFIX); sbparam.append (boundary); Sbparam.append (line_end); Sbparam.append (" Content-disposition:form-data;name=\ "" + entry.getkey () + "\" "+line_end) sbparam.append (" content-transfer-encoding : 8bit "+ line_end); Sbparam.append (line_end); Sbparam.append (Entry.getvalue ()); Sbparam.append (line_end); o Utstream.write (Sbparam.tostring (). GetBytes ());} for (Conninternetuploadfile file:listupfiles) {StringBuilder sbfile=new StringBuilder (); Sbfile.append (PREFIX); Sbfile.append (boundary); Sbfile.append (line_end); Sbfile.append ("Content-disposition:form-data;namE=\ "" +file.getformname () + "\"; filename=\ "" +file.getfilename () + "\" "+line_end) Sbfile.append (" Content-type: "+ File.getcontenttype () + "\" "+line_end"; Outstream.write (Sbfile.tostring (). GetBytes ()); Writefiletooutstream ( Outstream,file.getfileurl ()); Outstream.write (Line_end.getbytes ("UTF-8")); Byte[] End_data= (prefix+boundary+prefix+line_end) getBytes ("UTF-8"); Outstream.write (End_data); Outstream.flush ()          ; Outstream.close (); int Rescode=urlconn.getresponsecode (); if (Rescode!=http_status_reultok) {msg.what=http_status_noresp;msg.obj=            Rescode;handler.sendmessage (msg); return;}            String result= "";            String Readline=null;            InputStreamReader inputstream=new InputStreamReader (Urlconn.getinputstream ());            BufferedReader bufferreader=new BufferedReader (InputStream);            while ((Readline=bufferreader.readline ())!=null) {result+=readline;        } Msg.what=http_status_reultok;        Msg.obj=urldecoder.decode (Result, "UTF-8"); InchPutstream.close ();            Bufferreader.close (); Urlconn.disconnect ();}    catch (Exception ex) {msg.what=http_status_error; Msg.obj=ex.getmessage (). toString ();} finally{handler.sendmessage (msg);}}). Start ();//hashmap<string,string> params=new hashmap<string, string> ();//params.put ("pid", Filehelper.getshareprof ("PassportID"));//params.put ("JSON", Postjson (text));//arraylist<uploadfile> Uploadfiles=new arraylist<uploadfile> ();//if (Url.length () >0) {//uploadfile upfile=new UploadFile (Url,url, "Images");//uploadfiles.add (upfile);//}//internet.post (Api.api_messagecreate, params,uploadfiles,new Internetcallback () {//@Override//public void callBack (int msgwhat, string API, string result) {//if (msgwhat== INTERNET.HTTP_STATUS_OK) {////with new data//adapter.notifydatasetchanged ();////shows no data//}else showtoast ("network error");//}//});} /** * Third-party Apache integrated post * @param URL API address * @param mapparams parameter * @param callBack */public static void Post3 (Final String u RL, Final HASHMap<string,string> mapparams,final hashmap<string,string> mapfileinfo,conninternetcallback callBack) { Final Handler handler=gethandle (URL, callBack); new Thread () {@Overridepublic void run () {Message msg=        Handler.obtainmessage (Http_status_start, "Start connection"); try {httppost httppost = new HttpPost (URL); Multi-type;          Multipartentity multipartentity = new multipartentity ();        Field Iterator<?> It=mapparams.keyset (). Iterator ();        while (It.hasnext ()) {string key= (String) it.next ();    String Value=mapparams.get (key);        Multipartentity.addpart (Key,new stringbody (Value,charset.forname ("UTF-8"));        }//File It=mapfileinfo.keyset (). iterator ();        while (It.hasnext ()) {string key= (String) it.next ();        String Value=mapfileinfo.get (key);        Multipartentity.addpart (Key, new Filebody (value)); } httppost.setentity (multipartentity); HttpClient HttpClient = new Defaulthttpclient (); HttpResponse httPresp = Httpclient.execute (httppost); int rescode=httpresp.getstatusline (). Getstatuscode (); if (rescode!=http_status _reultok) {msg.what=http_status_noresp;msg.obj=rescode;handler.sendmessage (msg); return;} msg.what=http_status_reultok;msg.obj= entityutils.tostring (Httpresp.getentity ());} catch (Exception e) {msg.what=http_status_error;msg.obj= e.getmessage ();} Finally{handler.sendmessage (msg);}}. Start ();} public static Bitmap loadbitmapfromnet (String imgurl,bitmapfactory.options Options) {Bitmap Bitmap = null; URL ImageUrl = null;if (Imgurl = = NULL | | imgurl.length () = = 0) return null;try {imageUrl = new URL (Imgurl); URLConnection conn = Imageurl.openconnection (); Conn.setdoinput (true); Conn.connect (); InputStream is = Conn.getinputstream (); int length = Conn.getcontentlength (); if (length! =-1) {byte[] Imgdata = new byte[length];byte[] Tem p = new Byte[512];int Readlen = 0;int Destpos = 0;while ((Readlen = Is.read (temp))! =-1) {system.arraycopy (temp, 0, Imgda Ta, Destpos, Readlen);d Estpos + = Readlen;} Bitmap = Bitmapfactory.decodebytearray (imgdata, 0, imgdata.length,options); Options.injustdecodebounds=false;bitmap = Bitmapfactory.decodebytearray (imgdata, 0, imgdata.length,options);}} catch (IOException e) {return null;} return bitmap;} public static void Writefiletooutstream (DataOutputStream outstream,string url) {try {InputStream InputStream = new FileInputStream (new File (URL)), int ch;while ((Ch=inputstream.read ())!=-1) {outstream.write (ch);} Inputstream.close ();} catch (Exception e) {e.printstacktrace ();}} public interface conninternetcallback{public void callBack (int msgwhat,string api,string result); public class Conninternetuploadfile {private string Filename;private string Fileurl;private string formname;private String contentType = "Application/octet-stream";//image/jpegpublic conninternetuploadfile (string filename, string FILEURL, String formname) {this.filename = Filename;this.fileurl=fileurl;this.formname = FormName;} Public String Getfileurl () {return fileUrl;} public void SetfilEurl (String URL) {this.fileurl=url;} Public String GetFileName () {return filename;} public void Setfilename (String filename) {this.filename = filename;} Public String Getformname () {return formname;} public void Setformname (String formname) {this.formname = FormName;} Public String getContentType () {return contentType;} public void setContentType (String contentType) {this.contenttype = ContentType;}}}