純干貨·~~嘻嘻
stodio 添加上
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請求
*
* @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請求
*
* @param url
* @return 字符串
*/
>private String _getAsString(String url) throws IOException
{
Response execute = _getAsyn(url);
return execute.body().string();
}
/**
* 異步的get請求
* @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請求
*
* @param url
* @param params post的參數(shù)
* @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請求
*
* @param url
* @param params post的參數(shù)
* @return 字符串
*/
> private String _postAsString(String url, Param... params) throws IOException
{
Response response = _post(url, params);
return response.body().string();
}
/**
* 異步的post請求
*
* @param url
* @param callback
* @param params
*/
> private void _postAsyn(String url, final ResultCallback callback, Param... params)
{
Request request = buildPostRequest(url, params);
deliveryResult(callback, request);
}
/**
* 異步的post請求
*
* @param url
* @param callback
* @param params
*/
> private void _postAsyn(String url, final ResultCallback callback, Map<String, String> params)
{
Param[] paramsArr = map2Params(params);
Request request = buildPostRequest(url, paramsArr);
deliveryResult(callback, request);
}
/**
* 同步基于post的文件上傳
*
* @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();
}
/**
* 異步基于post的文件上傳
*
* @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);
}
/**
* 異步基于post的文件上傳，單文件不帶參數(shù)上傳
*
* @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);
}
/**
* 異步基于post的文件上傳，單文件且攜帶其他form參數(shù)上傳
*
* @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);
}
/**
* 異步下載文件
*
* @param url
* @param destFileDir 本地文件存儲的文件夾
* @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();
//如果下載文件成功猖任，第一個參數(shù)為文件的絕對路徑
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());
}
/**
* 加載圖片
*
@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);
}
});
}
//*************對外公布的方法******************************************************************************************************************************
> 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<String, String> 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 根據(jù)文件名設(shè)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<String, String> params)
{
if (params == null) return new Param[0];
int size = params.size();
Param[] res = new Param[size];
Set<Map.Entry<String, String>> entries = params.entrySet();
int i = 0;
for (Map.Entry<String, String> 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<String, String> mSessions = new HashMap<String, String>();
> 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解析的錯誤
{
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<T>
{
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 = value;
}
String key;
String value;
}
}
