Java tutorial
/*Copyright 2015 TommyLemon(https://github.com/TommyLemon) 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 zuo.biao.library.manager; import java.io.IOException; import java.net.CookieHandler; import java.net.URI; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.concurrent.TimeUnit; import javax.net.ssl.SSLSocketFactory; import org.json.JSONException; import org.json.JSONObject; import zuo.biao.library.base.BaseApplication; import zuo.biao.library.model.Parameter; import zuo.biao.library.util.Log; import zuo.biao.library.util.SSLUtil; import zuo.biao.library.util.StringUtil; import android.content.Context; import android.os.AsyncTask; import android.text.TextUtils; import com.squareup.okhttp.FormEncodingBuilder; import com.squareup.okhttp.OkHttpClient; import com.squareup.okhttp.Request; import com.squareup.okhttp.Response; /**HTTP? * @author Lemon * @use HttpManager.getInstance().get(...)HttpManager.getInstance().post(...) > onHttpRequestSuccessonHttpRequestError?HTTP * @must getTokengetResponseCodegetResponseDataTODO */ public class HttpManager { private static final String TAG = "HttpManager"; /**? */ public interface OnHttpResponseListener { /** * @param requestCode ???requestCode?? * @param resultJson ?Json * @param e */ void onHttpResponse(int requestCode, String resultJson, Exception e); } private Context context; private SSLSocketFactory socketFactory;// ? private HttpManager(Context context) { this.context = context; try { //TODO ???demo.cerdemo.cer?????assets????? socketFactory = SSLUtil.getSSLSocketFactory(context.getAssets().open("demo.cer")); } catch (Exception e) { Log.e(TAG, "HttpManager try {" + " socketFactory = SSLUtil.getSSLSocketFactory(context.getAssets().open(\"demo.cer\"));\n" + "\t\t} catch (Exception e) {\n" + e.getMessage()); } } private static HttpManager instance;// ? public static HttpManager getInstance() { if (instance == null) { synchronized (HttpManager.class) { if (instance == null) { instance = new HttpManager(BaseApplication.getInstance()); } } } return instance; } /** * ??1??1 */ public static final int PAGE_NUM_0 = 0; public static final String KEY_TOKEN = "token"; public static final String KEY_COOKIE = "cookie"; /**GET * @param paramList ?? * @param url ?url * @param requestCode * ?onActivityResult??activity????? * {@link OnHttpResponseListener#onHttpResponse(int, String, Exception)}<br> * ??requestCode?? * @param listener */ public void get(final List<Parameter> paramList, final String url, final int requestCode, final OnHttpResponseListener listener) { new AsyncTask<Void, Void, Exception>() { String result; @Override protected Exception doInBackground(Void... params) { OkHttpClient client = getHttpClient(url); if (client == null) { return new Exception(TAG + ".get AsyncTask.doInBackground client == null >> return;"); } StringBuffer sb = new StringBuffer(); sb.append(StringUtil.getNoBlankString(url)); if (paramList != null) { Parameter parameter; for (int i = 0; i < paramList.size(); i++) { parameter = paramList.get(i); sb.append(i <= 0 ? "?" : "&"); sb.append(StringUtil.getTrimedString(parameter.key)); sb.append("="); sb.append(StringUtil.getTrimedString(parameter.value)); } } try { result = getResponseJson(client, new Request.Builder().addHeader(KEY_TOKEN, getToken(url)).url(sb.toString()).build()); // result = "{\"code\":100,\"data\":{\"id\":1,\"name\":\"TestName\",\"phone\":\"1234567890\"}}"; } catch (Exception e) { Log.e(TAG, "get AsyncTask.doInBackground try { result = getResponseJson(..." + "} catch (Exception e) {\n" + e.getMessage()); return e; } return null; } @Override protected void onPostExecute(Exception exception) { super.onPostExecute(exception); listener.onHttpResponse(requestCode, result, exception); } }.execute(); } /**POST * @param paramList ?? * @param url ?url * @param requestCode * ?onActivityResult??activity????? * {@link OnHttpResponseListener#onHttpResponse(int, String, Exception)}<br> * ??requestCode?? * @param listener */ public void post(final List<Parameter> paramList, final String url, final int requestCode, final OnHttpResponseListener listener) { new AsyncTask<Void, Void, Exception>() { String result; @Override protected Exception doInBackground(Void... params) { OkHttpClient client = getHttpClient(url); if (client == null) { return new Exception(TAG + ".post AsyncTask.doInBackground client == null >> return;"); } FormEncodingBuilder fBuilder = new FormEncodingBuilder(); if (paramList != null) { for (Parameter p : paramList) { fBuilder.add(StringUtil.getTrimedString(p.key), StringUtil.getTrimedString(p.value)); } } try { result = getResponseJson(client, new Request.Builder().addHeader(KEY_TOKEN, getToken(url)) .url(StringUtil.getNoBlankString(url)).post(fBuilder.build()).build()); // result = "{\"code\":102}"; } catch (Exception e) { Log.e(TAG, "post AsyncTask.doInBackground try { result = getResponseJson(..." + "} catch (Exception e) {\n" + e.getMessage()); return e; } return null; } @Override protected void onPostExecute(Exception exception) { super.onPostExecute(exception); listener.onHttpResponse(requestCode, result, exception); } }.execute(); } //httpGet/httpPost <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< /** * @param url * @return */ private OkHttpClient getHttpClient(String url) { Log.i(TAG, "getHttpClient url = " + url); if (StringUtil.isNotEmpty(url, true) == false) { Log.e(TAG, "getHttpClient StringUtil.isNotEmpty(url, true) == false >> return null;"); return null; } OkHttpClient client = new OkHttpClient(); client.setCookieHandler(new HttpHead()); client.setConnectTimeout(15, TimeUnit.SECONDS); client.setWriteTimeout(10, TimeUnit.SECONDS); client.setReadTimeout(10, TimeUnit.SECONDS); //https?,??,??? if (url.startsWith(StringUtil.URL_PREFIXs) && socketFactory != null) { client.setSslSocketFactory(socketFactory); } return client; } /** * @param paramList * @return */ public String getToken(String tag) { return context.getSharedPreferences(KEY_TOKEN, Context.MODE_PRIVATE).getString(KEY_TOKEN + tag, ""); } /** * @param tag * @param value */ public void saveToken(String tag, String value) { context.getSharedPreferences(KEY_TOKEN, Context.MODE_PRIVATE).edit().remove(KEY_TOKEN + tag) .putString(KEY_TOKEN + tag, value).commit(); } /** * @return */ public String getCookie() { return context.getSharedPreferences(KEY_COOKIE, Context.MODE_PRIVATE).getString(KEY_COOKIE, ""); } /** * @param value */ public void saveCookie(String value) { context.getSharedPreferences(KEY_COOKIE, Context.MODE_PRIVATE).edit().remove(KEY_COOKIE) .putString(KEY_COOKIE, value).commit(); } /** * @param client * @param request * @return * @throws Exception */ private String getResponseJson(OkHttpClient client, Request request) throws Exception { if (client == null || request == null) { Log.e(TAG, "getResponseJson client == null || request == null >> return null;"); return null; } Response response = client.newCall(request).execute(); return response.isSuccessful() ? response.body().string() : null; } /**object?key * *?T?try-catch * @param json * @param key * @return * @throws JSONException */ public <T> T getValue(String json, String key) throws JSONException { return getValue(new JSONObject(json), key); } /**object?key * *?T?try-catch * @param object * @param key * @return * @throws JSONException */ @SuppressWarnings("unchecked") public <T> T getValue(JSONObject object, String key) throws JSONException { return (T) object.get(key); } //httpGet/httpPost >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> /**http */ public class HttpHead extends CookieHandler { public HttpHead() { } @Override public Map<String, List<String>> get(URI uri, Map<String, List<String>> requestHeaders) throws IOException { String cookie = getCookie(); Map<String, List<String>> map = new HashMap<String, List<String>>(); map.putAll(requestHeaders); if (!TextUtils.isEmpty(cookie)) { List<String> cList = new ArrayList<String>(); cList.add(cookie); map.put("Cookie", cList); } return map; } @Override public void put(URI uri, Map<String, List<String>> responseHeaders) throws IOException { List<String> list = responseHeaders.get("Set-Cookie"); if (list != null) { for (int i = 0; i < list.size(); i++) { String cookie = list.get(i); if (cookie.startsWith("JSESSIONID")) { saveCookie(list.get(i)); break; } } } } } }