Java tutorial
/* * Copyright 2011 * Website:http://www.azsy.cn/ * Email:infoazsy.cn * * 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 com.pipi.studio.dev.net; import java.io.BufferedInputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.util.List; import java.util.zip.GZIPInputStream; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.params.CoreConnectionPNames; import com.pipi.studio.dev.base.ThreadCallBack; import com.pipi.studio.dev.common.Constants; import com.pipi.studio.dev.exception.RequestException; import com.pipi.studio.dev.net.utils.ErrorUtil; import com.pipi.studio.dev.net.utils.RequestParameter; import com.pipi.studio.dev.net.utils.Utils; import com.pipi.studio.dev.util.LogUtil; import com.pipi.studio.dev.widget.dialog.CustomLoadingDialog; import android.content.Context; import android.os.Handler; import android.os.Message; /** * * * @author zxy * */ public class AsyncHttpGet extends BaseRequest { private static final long serialVersionUID = 2L; DefaultHttpClient httpClient; List<RequestParameter> parameter; CustomLoadingDialog customLoadingDialog; // static Handler resultHandler = new Handler() { // public void handleMessage(Message msg) { // String resultData = (String) msg.obj; // if(!resultData.contains("ERROR.HTTP.008")){ // ThreadCallBack callBack = (ThreadCallBack) msg.getData() // .getSerializable("callback"); // callBack.onCallbackFromThread(resultData); // } // } // }; ThreadCallBack callBack; public AsyncHttpGet(ThreadCallBack callBack, String url, List<RequestParameter> parameter, boolean isShowLoadingDialog, String loadingCode, boolean isHideCloseBtn) { this.callBack = callBack; if (isShowLoadingDialog) { customLoadingDialog = new CustomLoadingDialog((Context) callBack, "", isHideCloseBtn); if (customLoadingDialog != null && !customLoadingDialog.isShowing()) { customLoadingDialog.show(); } } this.url = url; this.parameter = parameter; if (httpClient == null) httpClient = new DefaultHttpClient(); } public AsyncHttpGet(ThreadCallBack callBack, String url, List<RequestParameter> parameter, boolean isShowLoadingDialog, String loadingCode, boolean isHideCloseBtn, int requestCode) { this(callBack, url, parameter, isShowLoadingDialog, loadingCode, isHideCloseBtn); this.requestCode = requestCode; } public AsyncHttpGet(ThreadCallBack callBack, String url, List<RequestParameter> parameter, boolean isShowLoadingDialog, int connectTimeout, int readTimeout) { this(callBack, url, parameter, isShowLoadingDialog, "", false); if (connectTimeout > 0) { this.connectTimeout = connectTimeout; } if (readTimeout > 0) { this.readTimeout = readTimeout; } } public AsyncHttpGet(ThreadCallBack callBack, String url, List<RequestParameter> parameter, boolean isShowLoadingDialog, String loadingDialogContent, boolean isHideCloseBtn, int connectTimeout, int readTimeout) { this(callBack, url, parameter, isShowLoadingDialog, loadingDialogContent, isHideCloseBtn); if (connectTimeout > 0) { this.connectTimeout = connectTimeout; } if (readTimeout > 0) { this.readTimeout = readTimeout; } } @Override public void run() { String ret = ""; try { if (parameter != null && parameter.size() > 0) { StringBuilder bulider = new StringBuilder(); for (RequestParameter p : parameter) { if (bulider.length() != 0) { bulider.append("&"); } bulider.append(Utils.encode(p.getName())); bulider.append("="); bulider.append(Utils.encode(p.getValue())); } url += "?" + bulider.toString(); } LogUtil.d(AsyncHttpGet.class.getName(), "AsyncHttpGet request to url :" + url); request = new HttpGet(url); /*if(Constants.isGzip){ request.addHeader("Accept-Encoding", "gzip"); }else{ request.addHeader("Accept-Encoding", "default"); }*/ // httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, connectTimeout); // ? httpClient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, readTimeout); HttpResponse response = httpClient.execute(request); int statusCode = response.getStatusLine().getStatusCode(); if (statusCode == HttpStatus.SC_OK) { InputStream is = response.getEntity().getContent(); BufferedInputStream bis = new BufferedInputStream(is); bis.mark(2); // ?? byte[] header = new byte[2]; int result = bis.read(header); // reset?? bis.reset(); // ?GZIP? int headerData = getShort(header); // Gzip ? ? 0x1f8b if (result != -1 && headerData == 0x1f8b) { LogUtil.d("HttpTask", " use GZIPInputStream "); is = new GZIPInputStream(bis); } else { LogUtil.d("HttpTask", " not use GZIPInputStream"); is = bis; } InputStreamReader reader = new InputStreamReader(is, "utf-8"); char[] data = new char[100]; int readSize; StringBuffer sb = new StringBuffer(); while ((readSize = reader.read(data)) > 0) { sb.append(data, 0, readSize); } ret = sb.toString(); bis.close(); reader.close(); // ByteArrayOutputStream content = new ByteArrayOutputStream(); // response.getEntity().writeTo(content); // ret = new String(content.toByteArray()).trim(); // content.close(); } else { RequestException exception = new RequestException(RequestException.IO_EXCEPTION, "??,??" + statusCode); ret = ErrorUtil.errorJson("ERROR.HTTP.001", exception.getMessage()); } LogUtil.d(AsyncHttpGet.class.getName(), "AsyncHttpGet request to url :" + url + " finished !"); } catch (java.lang.IllegalArgumentException e) { RequestException exception = new RequestException(RequestException.IO_EXCEPTION, Constants.ERROR_MESSAGE); ret = ErrorUtil.errorJson("ERROR.HTTP.002", exception.getMessage()); LogUtil.d(AsyncHttpGet.class.getName(), "AsyncHttpGet request to url :" + url + " onFail " + e.getMessage()); } catch (org.apache.http.conn.ConnectTimeoutException e) { RequestException exception = new RequestException(RequestException.SOCKET_TIMEOUT_EXCEPTION, Constants.ERROR_MESSAGE); ret = ErrorUtil.errorJson("ERROR.HTTP.003", exception.getMessage()); LogUtil.d(AsyncHttpGet.class.getName(), "AsyncHttpGet request to url :" + url + " onFail " + e.getMessage()); } catch (java.net.SocketTimeoutException e) { RequestException exception = new RequestException(RequestException.SOCKET_TIMEOUT_EXCEPTION, Constants.ERROR_MESSAGE); ret = ErrorUtil.errorJson("ERROR.HTTP.004", exception.getMessage()); LogUtil.d(AsyncHttpGet.class.getName(), "AsyncHttpGet request to url :" + url + " onFail " + e.getMessage()); } catch (UnsupportedEncodingException e) { RequestException exception = new RequestException(RequestException.UNSUPPORTED_ENCODEING_EXCEPTION, "?"); ret = ErrorUtil.errorJson("ERROR.HTTP.005", exception.getMessage()); LogUtil.d(AsyncHttpGet.class.getName(), "AsyncHttpGet request to url :" + url + " UnsupportedEncodingException " + e.getMessage()); } catch (org.apache.http.conn.HttpHostConnectException e) { RequestException exception = new RequestException(RequestException.CONNECT_EXCEPTION, Constants.ERROR_MESSAGE); ret = ErrorUtil.errorJson("ERROR.HTTP.006", exception.getMessage()); LogUtil.d(AsyncHttpGet.class.getName(), "AsyncHttpGet request to url :" + url + " HttpHostConnectException " + e.getMessage()); } catch (ClientProtocolException e) { RequestException exception = new RequestException(RequestException.CLIENT_PROTOL_EXCEPTION, "??"); ret = ErrorUtil.errorJson("ERROR.HTTP.007", exception.getMessage()); e.printStackTrace(); LogUtil.d(AsyncHttpGet.class.getName(), "AsyncHttpGet request to url :" + url + " ClientProtocolException " + e.getMessage()); } catch (IOException e) { RequestException exception = new RequestException(RequestException.IO_EXCEPTION, "??"); ret = ErrorUtil.errorJson("ERROR.HTTP.008", exception.getMessage()); e.printStackTrace(); LogUtil.d(AsyncHttpGet.class.getName(), "AsyncHttpGet request to url :" + url + " IOException " + e.getMessage()); } finally { if (!Constants.IS_STOP_REQUEST) { Message msg = new Message(); msg.obj = ret; LogUtil.d("result", ret); msg.getData().putSerializable("callback", callBack); resultHandler.sendMessage(msg); } //request.// if (customLoadingDialog != null && customLoadingDialog.isShowing()) { customLoadingDialog.dismiss(); customLoadingDialog = null; } } super.run(); } private int getShort(byte[] data) { return (int) ((data[0] << 8) | data[1] & 0xFF); } }