OKHttp封装 OKHttp封装

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【OKHttp封装】compile 'com.squareup.okhttp:okhttp:2.4.0'
compile 'com.squareup.okio:okio:1.5.0'

/**
Created by ht on 2016/4/21.
*/

> public class OkHttpClientManager { private static OkHttpClientManager mInstance; private OkHttpClient mOkHttpClient; private Handler mDelivery; private Gson mGson; >private static final String TAG = "OkHttpClientManager"; >private OkHttpClientManager() { mOkHttpClient = new OkHttpClient(); //cookie enabled mOkHttpClient.setCookieHandler(new CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER)); mDelivery = new Handler(Looper.getMainLooper()); mGson = new Gson(); }>public static OkHttpClientManager getInstance() { if (mInstance == null) { synchronized (OkHttpClientManager.class) { if (mInstance == null) { mInstance = new OkHttpClientManager(); } } } return mInstance; }/** * 同步的Get请求 * * @param url * @return Response */ >private Response _getAsyn(String url) throws IOException { final Request request = new Request.Builder() .url(url) .build(); Call call = mOkHttpClient.newCall(request); Response execute = call.execute(); return execute; }/** * 同步的Get请求 * * @param url * @return 字符串 */ >private String _getAsString(String url) throws IOException { Response execute = _getAsyn(url); return execute.body().string(); }/** * 异步的get请求 * @param url * @param callback*/ >private void _getAsyn(String url, final ResultCallback callback) { final Request request = new Request.Builder() .url(url) .build(); deliveryResult(callback, request); }/** * 同步的Post请求 * * @param url * @param params post的参数 * @return */ > private Response _post(String url, Param... params) throws IOException { Request request = buildPostRequest(url, params); Response response = mOkHttpClient.newCall(request).execute(); return response; }/** * 同步的Post请求 * * @param url * @param params post的参数 * @return 字符串 */ > private String _postAsString(String url, Param... params) throws IOException { Response response = _post(url, params); return response.body().string(); }/** * 异步的post请求 * * @param url * @param callback * @param params */ > private void _postAsyn(String url, final ResultCallback callback, Param... params) { Request request = buildPostRequest(url, params); deliveryResult(callback, request); }/** * 异步的post请求 * * @param url * @param callback * @param params */ > private void _postAsyn(String url, final ResultCallback callback, Map params) { Param[] paramsArr = map2Params(params); Request request = buildPostRequest(url, paramsArr); deliveryResult(callback, request); }/** * 同步基于post的文件上传 * * @param params * @return */ > private Response _post(String url, File[] files, String[] fileKeys, Param... params) throws IOException { Request request = buildMultipartFormRequest(url, files, fileKeys, params); return mOkHttpClient.newCall(request).execute(); }> private Response _post(String url, File file, String fileKey) throws IOException { Request request = buildMultipartFormRequest(url, new File[]{file}, new String[]{fileKey}, null); return mOkHttpClient.newCall(request).execute(); }> private Response _post(String url, File file, String fileKey, Param... params) throws IOException { Request request = buildMultipartFormRequest(url, new File[]{file}, new String[]{fileKey}, params); return mOkHttpClient.newCall(request).execute(); }/** * 异步基于post的文件上传 * * @param url * @param callback * @param files * @param fileKeys * @throws IOException */ > private void _postAsyn(String url, ResultCallback callback, File[] files, String[] fileKeys, Param... params) throws IOException { Request request = buildMultipartFormRequest(url, files, fileKeys, params); deliveryResult(callback, request); }/** * 异步基于post的文件上传，单文件不带参数上传 * * @param url * @param callback * @param file * @param fileKey * @throws IOException */ > private void _postAsyn(String url, ResultCallback callback, File file, String fileKey) throws IOException { Request request = buildMultipartFormRequest(url, new File[]{file}, new String[]{fileKey}, null); deliveryResult(callback, request); }/** * 异步基于post的文件上传，单文件且携带其他form参数上传 * * @param url * @param callback * @param file * @param fileKey * @param params * @throws IOException */ > private void _postAsyn(String url, ResultCallback callback, File file, String fileKey, Param... params) throws IOException { Request request = buildMultipartFormRequest(url, new File[]{file}, new String[]{fileKey}, params); deliveryResult(callback, request); }/** * 异步下载文件 * * @param url * @param destFileDir 本地文件存储的文件夹 * @param callback */ > private void _downloadAsyn(final String url, final String destFileDir, final ResultCallback callback) { final Request request = new Request.Builder() .url(url) .build(); final Call call = mOkHttpClient.newCall(request); call.enqueue(new Callback() { @Override > public void onFailure(final Request request, final IOException e) { sendFailedStringCallback(request, e, callback); }> @Override > public void onResponse(Response response) { InputStream is = null; byte[] buf = new byte[2048]; int len = 0; FileOutputStream fos = null; try { is = response.body().byteStream(); File file = new File(destFileDir, getFileName(url)); fos = new FileOutputStream(file); while ((len = is.read(buf)) != -1) { fos.write(buf, 0, len); } fos.flush(); //如果下载文件成功，第一个参数为文件的绝对路径 sendSuccessResultCallback(file.getAbsolutePath(), callback); } catch (IOException e) { sendFailedStringCallback(response.request(), e, callback); } finally { try { if (is != null) is.close(); } catch (IOException e) { } try { if (fos != null) fos.close(); } catch (IOException e) { } }} }); }> private String getFileName(String path) { int separatorIndex = path.lastIndexOf("/"); return (separatorIndex < 0) ? path : path.substring(separatorIndex + 1, path.length()); }/** * 加载图片 * @param view @param url @throws IOException */ > private void _displayImage(final ImageView view, final String url, final int errorResId) { final Request request = new Request.Builder() .url(url) .build(); Call call = mOkHttpClient.newCall(request); call.enqueue(new Callback() { @Override > public void onFailure(Request request, IOException e) { setErrorResId(view, errorResId); }@Override > public void onResponse(Response response) { InputStream is = null; try { is = response.body().byteStream(); ImageUtils.ImageSize actualImageSize = ImageUtils.getImageSize(is); ImageUtils.ImageSize imageViewSize = ImageUtils.getImageViewSize(view); int inSampleSize = ImageUtils.calculateInSampleSize(actualImageSize, imageViewSize); try { is.reset(); } catch (IOException e) { response = _getAsyn(url); is = response.body().byteStream(); } BitmapFactory.Options ops = new BitmapFactory.Options(); ops.inJustDecodeBounds = false; ops.inSampleSize = inSampleSize; final Bitmap bm = BitmapFactory.decodeStream(is, null, ops); mDelivery.post(new Runnable() { @Override > public void run() { view.setImageBitmap(bm); } }); } catch (Exception e) { setErrorResId(view, errorResId); } finally { if (is != null) try { is.close(); } catch (IOException e) { e.printStackTrace(); } } } }); }> private void setErrorResId(final ImageView view, final int errorResId) { mDelivery.post(new Runnable() { @Override public void run() { view.setImageResource(errorResId); } }); }//*************对外公布的方法******************************************************************************************************************************> public static Response getAsyn(String url) throws IOException { return getInstance()._getAsyn(url); }> public static String getAsString(String url) throws IOException { return getInstance()._getAsString(url); }> public static void getAsyn(String url, ResultCallback callback) { getInstance()._getAsyn(url, callback); }> public static Response post(String url, Param... params) throws IOException { return getInstance()._post(url, params); }> public static String postAsString(String url, Param... params) throws IOException { return getInstance()._postAsString(url, params); }> public static void postAsyn(String url, final ResultCallback callback, Param... params) { getInstance()._postAsyn(url, callback, params); }> public static void postAsyn(String url, final ResultCallback callback, Map params) { getInstance()._postAsyn(url, callback, params); }> public static Response post(String url, File[] files, String[] fileKeys, Param... params) throws IOException { return getInstance()._post(url, files, fileKeys, params); }> public static Response post(String url, File file, String fileKey) throws IOException { return getInstance()._post(url, file, fileKey); }> public static Response post(String url, File file, String fileKey, Param... params) throws IOException { return getInstance()._post(url, file, fileKey, params); }> public static void postAsyn(String url, ResultCallback callback, File[] files, String[] fileKeys, Param... params) throws IOException { getInstance()._postAsyn(url, callback, files, fileKeys, params); }> public static void postAsyn(String url, ResultCallback callback, File file, String fileKey) throws IOException { getInstance()._postAsyn(url, callback, file, fileKey); }> public static void postAsyn(String url, ResultCallback callback, File file, String fileKey, Param... params) throws IOException { getInstance()._postAsyn(url, callback, file, fileKey, params); }> public static void displayImage(final ImageView view, String url, int errorResId) throws IOException { getInstance()._displayImage(view, url, errorResId); }> public static void displayImage(final ImageView view, String url) { getInstance()._displayImage(view, url, -1); }> public static void downloadAsyn(String url, String destDir, ResultCallback callback) { getInstance()._downloadAsyn(url, destDir, callback); }//****************************> private Request buildMultipartFormRequest(String url, File[] files, String[] fileKeys, Param[] params) { params = validateParam(params); MultipartBuilder builder = new MultipartBuilder() .type(MultipartBuilder.FORM); for (Param param : params) { builder.addPart(Headers.of("Content-Disposition", "form-data; name=\"" + param.key + "\""), RequestBody.create(null, param.value)); } if (files != null) { RequestBody fileBody = null; for (int i = 0; i < files.length; i++) { File file = files[i]; String fileName = file.getName(); fileBody = RequestBody.create(MediaType.parse(guessMimeType(fileName)), file); //TODO 根据文件名设置contentType builder.addPart(Headers.of("Content-Disposition", "form-data; name=\"" + fileKeys[i] + "\"; filename=\"" + fileName + "\""), fileBody); } } RequestBody requestBody = builder.build(); return new Request.Builder() .url(url) .post(requestBody) .build(); }> private String guessMimeType(String path) { FileNameMap fileNameMap = URLConnection.getFileNameMap(); String contentTypeFor = fileNameMap.getContentTypeFor(path); if (contentTypeFor == null) { contentTypeFor = "application/octet-stream"; } return contentTypeFor; } > private Param[] validateParam(Param[] params) { if (params == null) return new Param[0]; else return params; }> private Param[] map2Params(Map params) { if (params == null) return new Param[0]; int size = params.size(); Param[] res = new Param[size]; Set entries = params.entrySet(); int i = 0; for (Map.Entry entry : entries) { res[i++] = new Param(entry.getKey(), entry.getValue()); } return res; }> private static final String SESSION_KEY = "Set-Cookie"; > private static final String mSessionKey = "JSESSIONID"; > private Map mSessions = new HashMap(); > private void deliveryResult(final ResultCallback callback, Request request) { mOkHttpClient.newCall(request).enqueue(new Callback() { @Override > public void onFailure(final Request request, final IOException e) { sendFailedStringCallback(request, e, callback); }@Override public void onResponse(final Response response) { try { final String string = response.body().string(); if (callback.mType == String.class) { sendSuccessResultCallback(string, callback); } else { Object o = mGson.fromJson(string, callback.mType); sendSuccessResultCallback(o, callback); } } catch (IOException e) { sendFailedStringCallback(response.request(), e, callback); } catch (com.google.gson.JsonParseException e)//Json解析的错误 { sendFailedStringCallback(response.request(), e, callback); } } }); }> private void sendFailedStringCallback(final Request request, final Exception e, final ResultCallback callback) { mDelivery.post(new Runnable() { @Override > public void run() { if (callback != null) callback.onError(request, e); } }); }> private void sendSuccessResultCallback(final Object object, final ResultCallback callback) { mDelivery.post(new Runnable() { @Override > public void run() { if (callback != null) { callback.onResponse(object); } } }); }> private Request buildPostRequest(String url, Param[] params) { if (params == null) { params = new Param[0]; } FormEncodingBuilder builder = new FormEncodingBuilder(); for (Param param : params) { builder.add(param.key, param.value); } RequestBody requestBody = builder.build(); return new Request.Builder() .url(url) .post(requestBody) .build(); }> public static abstract class ResultCallback { Type mType; > public ResultCallback() { mType = getSuperclassTypeParameter(getClass()); } > static Type getSuperclassTypeParameter(Class subclass) { Type superclass = subclass.getGenericSuperclass(); if (superclass instanceof Class) { throw new RuntimeException("Missing type parameter."); } ParameterizedType parameterized = (ParameterizedType) superclass; return $Gson$Types.canonicalize(parameterized.getActualTypeArguments()[0]); } > public abstract void onError(Request request, Exception e); public abstract void onResponse(T response); } public static class Param { public Param() { } > public Param(String key, String value) { this.key = key; this.value = https://www.it610.com/article/value; } String key; String value; } }