Java tutorial
/* * Copyright (c) 2015 Ni YueMing<niyueming@163.com> * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package net.nym.library.http; import android.app.Dialog; import android.content.Context; import android.os.AsyncTask; import android.os.Handler; import android.os.Message; import net.nym.library.util.Log; import net.nym.library.util.NetUtil; import org.apache.http.client.ClientProtocolException; import org.apache.http.conn.ConnectTimeoutException; import org.json.JSONException; import org.json.JSONObject; import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.SocketTimeoutException; import java.net.URL; import java.util.Map; import java.util.UUID; public class UploadImagesRequest extends AsyncTask<String, Integer, String> { // private String host = new String("http://192.168.18.10:8686/momo/mg/"); //? private String host = new String("http://118.144.133.90/momo/mg/"); // Map<String, Object> mMap; Map<String, File> mFiles; RequestListener mPostListener; ErrorHandler mHandler; Context mContext; String mUrl; private Dialog mDialog; private boolean isShowDialog; public UploadImagesRequest(Context context, String url, Map<String, Object> map, Map<String, File> files, RequestListener postListener) { mContext = context; mUrl = url; mMap = map; mFiles = files; mPostListener = postListener; mHandler = new ErrorHandler(); } public void setHost(String host) { this.host = host; } @Override protected void onPostExecute(String result) { // TODO Auto-generated method stub if (mContext == null) { return; } if (result == null) { if (mPostListener != null) { mPostListener.onError(RequestListener.WITHOUT_NETWORK_ERROR, RequestListener.ERROR_WITHOUT_NETWORK); } } else if (mPostListener != null) { try { JSONObject object = new JSONObject(result); Log.println("%s", object.toString()); mPostListener.onResponse(object.toString()); } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); if (mPostListener != null) { mPostListener.onError(RequestListener.JSON_ERROR, RequestListener.ERROR_JSON_PARSE); } } } /* if (mDialog!= null ) { if (mDialog.isShowing()) { mDialog.dismiss(); } } if (result == null) { if (mPostListener != null) { mPostListener.onError(RequestListener.OTHER_ERROR, RequestListener.ERROR_OTHER); } return; } if (mPostListener != null) { mPostListener.onResponse(result); }*/ } @Override protected void onPreExecute() { // TODO Auto-generated method stub super.onPreExecute(); /* mDialog = new ProgressDialog(mContext); mDialog = new Dialog(mContext, R.style.dialog); mDialog.setContentView(R.layout.progress_dialog); mDialog.show(); mDialog.dismiss();*/ } @Override protected String doInBackground(String... arg0) { // TODO Auto-generated method stub // if (!OperateSharePreferences.getInstance().hasNet()) { // Message msg2 = mHandler.obtainMessage(); // msg2.obj = RequestListener.ERROR_WITHOUT_NETWORK; // msg2.what = RequestListener.IO_ERROR; // mHandler.sendMessage(msg2); // return null; // } // BasicHttpParams httpParameters = new BasicHttpParams();// Set the // // timeout in // // milliseconds // // until a // // connection is // // established. // HttpConnectionParams.setConnectionTimeout(httpParameters, 50000);// Set // // the // // default // // socket // // timeout // // (SO_TIMEOUT) // // // // // in // // milliseconds // // which // // is // // the // // timeout // // for // // waiting // // for // // data. // HttpConnectionParams.setSoTimeout(httpParameters, 5000); // HttpClient httpclient = new DefaultHttpClient(); // // String json = null; // // ?? // httpclient.getParams().setParameter( // CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1); // MultipartEntityBuilder builder = MultipartEntityBuilder.create(); // if (mMap != null & mMap.size() > 0) { // for (Entry<String, Object> entry : mMap.entrySet()) { // builder.addTextBody(entry.getKey(), entry.getValue() + ""); //// mUrl += "?" + entry.getKey() + "=" + entry.getValue().toString().replaceAll(Matcher.quoteReplacement("\""), Matcher.quoteReplacement("\\\"")) ; //// Log.println("%s:%s", entry.getKey(), entry.getValue().toString().replaceAll(Matcher.quoteReplacement("\""), Matcher.quoteReplacement("\\\"")) + ""); // } // } // if (mFiles != null) { // if (mFiles.size() > 0) { // for (Entry<String, File> entry : mFiles.entrySet()) { // File file = (File) entry.getValue(); // Log.println("%s:%s", entry.getKey(), file.getAbsolutePath() // + ""); // if (file.exists()) { // builder.addBinaryBody(entry.getKey(), // (File) entry.getValue()); //// builder.addBinaryBody(entry.getKey(), file, ContentType.create("image/png"), file.getName()); // } else { // Log.println("%s is not exists", file.getAbsolutePath() // + ""); // } // } // } // } // // HttpEntity mpEntity = builder.build(); // HttpPost httppost = new HttpPost(host + mUrl); //// httppost.addHeader("enctype", "multipart/form-data"); // httppost.setEntity(mpEntity); // Log.println("url=%s", host + mUrl); //// HttpParams params = httppost.getParams(); // // try { // HttpResponse response = httpclient.execute(httppost); // // HttpEntity resEntity = response.getEntity(); // // Log.println(response.getStatusLine().toString() + "");// Ok // if (resEntity != null) { // json = EntityUtils.toString(resEntity, HTTP.UTF_8); // // Log.println("result=%s", json); // // } // // if (resEntity != null) { // // resEntity.consumeContent(); // // } // httpclient.getConnectionManager().shutdown(); // } catch (UnsupportedEncodingException e1) { // // TODO Auto-generated catch block // e1.printStackTrace(); // } catch (ClientProtocolException e1) { // // TODO Auto-generated catch block // e1.printStackTrace(); // } catch (ConnectTimeoutException e) { // e.printStackTrace(); // Message msg1 = mHandler.obtainMessage(); // msg1.obj = e.getMessage(); // msg1.what = RequestListener.TIMEOUT_ERROR; // mHandler.sendMessage(msg1); // } catch (SocketTimeoutException e) { // // TODO Auto-generated catch block // e.printStackTrace(); // Message msg1 = mHandler.obtainMessage(); // msg1.obj = e.getMessage(); // msg1.what = RequestListener.TIMEOUT_ERROR; // mHandler.sendMessage(msg1); // } catch (IOException e1) { // // TODO Auto-generated catch block // e1.printStackTrace(); // Message msg2 = mHandler.obtainMessage(); // msg2.obj = e1.getMessage(); // msg2.what = RequestListener.IO_ERROR; // mHandler.sendMessage(msg2); // } String json = null; try { json = postFile(host + mUrl, mMap, mFiles); Log.i(json + ""); } catch (UnsupportedEncodingException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (ClientProtocolException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (ConnectTimeoutException e) { e.printStackTrace(); Message msg1 = mHandler.obtainMessage(); msg1.obj = e.getMessage(); msg1.what = RequestListener.TIMEOUT_ERROR; mHandler.sendMessage(msg1); } catch (SocketTimeoutException e) { // TODO Auto-generated catch block e.printStackTrace(); Message msg1 = mHandler.obtainMessage(); msg1.obj = e.getMessage(); msg1.what = RequestListener.TIMEOUT_ERROR; mHandler.sendMessage(msg1); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); Message msg2 = mHandler.obtainMessage(); msg2.obj = e1.getMessage(); msg2.what = RequestListener.IO_ERROR; mHandler.sendMessage(msg2); } return json; } /** * ??? * * @param url * Service net address * @param params * text content * @param files * pictures * @return String result of Service response * @throws java.io.IOException */ public static String postFile(String url, Map<String, Object> params, Map<String, File> files) throws IOException { String result = ""; String BOUNDARY = UUID.randomUUID().toString(); String PREFIX = "--", LINEND = "\r\n"; String MULTIPART_FROM_DATA = "multipart/form-data"; String CHARSET = "UTF-8"; StringBuilder sb = new StringBuilder("?"); for (Map.Entry<String, Object> entry : params.entrySet()) { // sb.append(PREFIX); // sb.append(BOUNDARY); // sb.append(LINEND); // sb.append("Content-Disposition: form-data; name=\"" // + entry.getKey() + "\"" + LINEND); // sb.append("Content-Type: text/plain; charset=" + CHARSET // + LINEND); // sb.append("Content-Transfer-Encoding: 8bit" + LINEND); // sb.append(LINEND); // sb.append(entry.getValue()); // sb.append(LINEND); // String key = entry.getKey(); // sb.append("&"); // sb.append(key).append("=").append(params.get(key)); // Log.i("%s=%s",key,params.get(key).toString()); sb.append(entry.getKey()).append("=").append(NetUtil.URLEncode(entry.getValue().toString())) .append("&"); } sb.deleteCharAt(sb.length() - 1); URL uri = new URL(url + sb.toString()); HttpURLConnection conn = (HttpURLConnection) uri.openConnection(); conn.setConnectTimeout(50000); conn.setDoInput(true);// ? conn.setDoOutput(true);// ? conn.setUseCaches(false); // ?? conn.setRequestMethod("POST"); conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("Charsert", "UTF-8"); conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY); // ? // StringBuilder sb = new StringBuilder(); // for (Map.Entry<String, Object> entry : params.entrySet()) { //// sb.append(PREFIX); //// sb.append(BOUNDARY); //// sb.append(LINEND); //// sb.append("Content-Disposition: form-data; name=\"" //// + entry.getKey() + "\"" + LINEND); //// sb.append("Content-Type: text/plain; charset=" + CHARSET //// + LINEND); //// sb.append("Content-Transfer-Encoding: 8bit" + LINEND); //// sb.append(LINEND); //// sb.append(entry.getValue()); //// sb.append(LINEND); // String key = entry.getKey(); // sb.append("&"); // sb.append(key).append("=").append(params.get(key)); // Log.i("%s=%s",key,params.get(key).toString()); // } DataOutputStream outStream = new DataOutputStream(conn.getOutputStream()); // outStream.write(sb.toString().getBytes()); // ? if (files != null) { for (Map.Entry<String, File> file : files.entrySet()) { StringBuilder sbFile = new StringBuilder(); sbFile.append(PREFIX); sbFile.append(BOUNDARY); sbFile.append(LINEND); /** * ?? name???key ?key ?? * filename?????? :abc.png */ sbFile.append("Content-Disposition: form-data; name=\"" + file.getKey() + "\"; filename=\"" + file.getValue().getName() + "\"" + LINEND); sbFile.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINEND); sbFile.append(LINEND); Log.i(sbFile.toString()); outStream.write(sbFile.toString().getBytes()); InputStream is = new FileInputStream(file.getValue()); byte[] buffer = new byte[1024]; int len = 0; while ((len = is.read(buffer)) != -1) { outStream.write(buffer, 0, len); } is.close(); outStream.write(LINEND.getBytes()); } // ? byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes(); outStream.write(end_data); } outStream.flush(); // ?? int res = conn.getResponseCode(); InputStream in = conn.getInputStream(); StringBuilder sbResult = new StringBuilder(); if (res == 200) { int ch; while ((ch = in.read()) != -1) { sbResult.append((char) ch); } } result = sbResult.toString(); outStream.close(); conn.disconnect(); return result; } private class ErrorHandler extends Handler { @Override public void handleMessage(Message msg) { // TODO Auto-generated method stub switch (msg.what) { case RequestListener.IO_ERROR: if (mPostListener != null) { mPostListener.onError(RequestListener.IO_ERROR, msg.obj + ""); } break; case RequestListener.TIMEOUT_ERROR: if (mPostListener != null) { mPostListener.onError(RequestListener.TIMEOUT_ERROR, msg.obj + ""); } break; default: break; } } } }