Examples with Headers okhttp3.Headers used on opensource projects

Example 66 with Headers

use of okhttp3.Headers in project okhttp-OkGo by jeasonlzy.

the class DownloadTask method doInBackground.

/** 一旦该方法执行，意味着开始下载了 */
@Override
protected DownloadInfo doInBackground(Void... params) {
    if (isCancelled())
        return mDownloadInfo;
    mPreviousTime = System.currentTimeMillis();
    mDownloadInfo.setNetworkSpeed(0);
    mDownloadInfo.setState(DownloadManager.DOWNLOADING);
    postMessage(null, null);
    long startPos = mDownloadInfo.getDownloadLength();
    Response response;
    try {
        response = mDownloadInfo.getRequest().headers("RANGE", "bytes=" + startPos + "-").execute();
    } catch (IOException e) {
        e.printStackTrace();
        mDownloadInfo.setNetworkSpeed(0);
        mDownloadInfo.setState(DownloadManager.ERROR);
        postMessage("网络异常", e);
        return mDownloadInfo;
    }
    int code = response.code();
    if (code == 404 || code >= 500) {
        mDownloadInfo.setNetworkSpeed(0);
        mDownloadInfo.setState(DownloadManager.ERROR);
        postMessage("服务器数据错误", null);
        return mDownloadInfo;
    }
    //构建下载文件路径，如果有设置，就用设置的，否者就自己创建
    String url = mDownloadInfo.getUrl();
    String fileName = mDownloadInfo.getFileName();
    if (TextUtils.isEmpty(fileName)) {
        fileName = HttpUtils.getNetFileName(response, url);
        mDownloadInfo.setFileName(fileName);
    }
    if (TextUtils.isEmpty(mDownloadInfo.getTargetPath())) {
        File targetFolder = new File(mDownloadInfo.getTargetFolder());
        if (!targetFolder.exists())
            targetFolder.mkdirs();
        File file = new File(targetFolder, fileName);
        mDownloadInfo.setTargetPath(file.getAbsolutePath());
    }
    //检查文件有效性，文件大小大于总文件大小
    if (startPos > mDownloadInfo.getTotalLength()) {
        mDownloadInfo.setNetworkSpeed(0);
        mDownloadInfo.setState(DownloadManager.ERROR);
        postMessage("断点文件异常，需要删除后重新下载", null);
        return mDownloadInfo;
    }
    if (startPos == mDownloadInfo.getTotalLength() && startPos > 0) {
        mDownloadInfo.setProgress(1.0f);
        mDownloadInfo.setNetworkSpeed(0);
        mDownloadInfo.setState(DownloadManager.FINISH);
        postMessage(null, null);
        return mDownloadInfo;
    }
    //设置断点写文件
    File file = new File(mDownloadInfo.getTargetPath());
    ProgressRandomAccessFile randomAccessFile;
    try {
        randomAccessFile = new ProgressRandomAccessFile(file, "rw", startPos);
        randomAccessFile.seek(startPos);
    } catch (Exception e) {
        e.printStackTrace();
        mDownloadInfo.setNetworkSpeed(0);
        mDownloadInfo.setState(DownloadManager.ERROR);
        postMessage("没有找到已存在的断点文件", e);
        return mDownloadInfo;
    }
    //获取流对象，准备进行读写文件
    long totalLength = response.body().contentLength();
    if (mDownloadInfo.getTotalLength() == 0) {
        mDownloadInfo.setTotalLength(totalLength);
    }
    InputStream is = response.body().byteStream();
    //读写文件流
    try {
        download(is, randomAccessFile);
    } catch (IOException e) {
        e.printStackTrace();
        mDownloadInfo.setNetworkSpeed(0);
        mDownloadInfo.setState(DownloadManager.ERROR);
        postMessage("文件读写异常", e);
        return mDownloadInfo;
    }
    //循环结束走到这里，a.下载完成     b.暂停      c.判断是否下载出错
    if (isCancelled()) {
        mDownloadInfo.setNetworkSpeed(0);
        if (//暂停
        isPause)
            //暂停
            mDownloadInfo.setState(DownloadManager.PAUSE);
        else
            //停止
            mDownloadInfo.setState(DownloadManager.NONE);
        postMessage(null, null);
    } else if (file.length() == mDownloadInfo.getTotalLength() && mDownloadInfo.getState() == DownloadManager.DOWNLOADING) {
        mDownloadInfo.setNetworkSpeed(0);
        //下载完成
        mDownloadInfo.setState(DownloadManager.FINISH);
        postMessage(null, null);
    } else if (file.length() != mDownloadInfo.getDownloadLength()) {
        mDownloadInfo.setNetworkSpeed(0);
        //由于不明原因，文件保存有误
        mDownloadInfo.setState(DownloadManager.ERROR);
        postMessage("未知原因", null);
    }
    return mDownloadInfo;
}

Example 67 with Headers

use of okhttp3.Headers in project chuck by jgilfelt.

the class ChuckInterceptor method intercept.

@Override
public Response intercept(Chain chain) throws IOException {
    Request request = chain.request();
    RequestBody requestBody = request.body();
    boolean hasRequestBody = requestBody != null;
    HttpTransaction transaction = new HttpTransaction();
    transaction.setRequestDate(new Date());
    transaction.setMethod(request.method());
    transaction.setUrl(request.url().toString());
    transaction.setRequestHeaders(request.headers());
    if (hasRequestBody) {
        if (requestBody.contentType() != null) {
            transaction.setRequestContentType(requestBody.contentType().toString());
        }
        if (requestBody.contentLength() != -1) {
            transaction.setRequestContentLength(requestBody.contentLength());
        }
    }
    transaction.setRequestBodyIsPlainText(!bodyHasUnsupportedEncoding(request.headers()));
    if (hasRequestBody && transaction.requestBodyIsPlainText()) {
        BufferedSource source = getNativeSource(new Buffer(), bodyGzipped(request.headers()));
        Buffer buffer = source.buffer();
        requestBody.writeTo(buffer);
        Charset charset = UTF8;
        MediaType contentType = requestBody.contentType();
        if (contentType != null) {
            charset = contentType.charset(UTF8);
        }
        if (isPlaintext(buffer)) {
            transaction.setRequestBody(readFromBuffer(buffer, charset));
        } else {
            transaction.setResponseBodyIsPlainText(false);
        }
    }
    Uri transactionUri = create(transaction);
    long startNs = System.nanoTime();
    Response response;
    try {
        response = chain.proceed(request);
    } catch (Exception e) {
        transaction.setError(e.toString());
        update(transaction, transactionUri);
        throw e;
    }
    long tookMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs);
    ResponseBody responseBody = response.body();
    // includes headers added later in the chain
    transaction.setRequestHeaders(response.request().headers());
    transaction.setResponseDate(new Date());
    transaction.setTookMs(tookMs);
    transaction.setProtocol(response.protocol().toString());
    transaction.setResponseCode(response.code());
    transaction.setResponseMessage(response.message());
    transaction.setResponseContentLength(responseBody.contentLength());
    if (responseBody.contentType() != null) {
        transaction.setResponseContentType(responseBody.contentType().toString());
    }
    transaction.setResponseHeaders(response.headers());
    transaction.setResponseBodyIsPlainText(!bodyHasUnsupportedEncoding(response.headers()));
    if (HttpHeaders.hasBody(response) && transaction.responseBodyIsPlainText()) {
        BufferedSource source = getNativeSource(response);
        source.request(Long.MAX_VALUE);
        Buffer buffer = source.buffer();
        Charset charset = UTF8;
        MediaType contentType = responseBody.contentType();
        if (contentType != null) {
            try {
                charset = contentType.charset(UTF8);
            } catch (UnsupportedCharsetException e) {
                update(transaction, transactionUri);
                return response;
            }
        }
        if (isPlaintext(buffer)) {
            transaction.setResponseBody(readFromBuffer(buffer.clone(), charset));
        } else {
            transaction.setResponseBodyIsPlainText(false);
        }
        transaction.setResponseContentLength(buffer.size());
    }
    update(transaction, transactionUri);
    return response;
}

Example 68 with Headers

use of okhttp3.Headers in project okhttp-OkGo by jeasonlzy.

the class FormUploadActivity method formUpload.

@OnClick(R.id.formUpload)
public void formUpload(View view) {
    ArrayList<File> files = new ArrayList<>();
    if (imageItems != null && imageItems.size() > 0) {
        for (int i = 0; i < imageItems.size(); i++) {
            files.add(new File(imageItems.get(i).path));
        }
    }
    //拼接参数
    //
    OkGo.post(Urls.URL_FORM_UPLOAD).tag(//
    this).headers("header1", //
    "headerValue1").headers("header2", //
    "headerValue2").params("param1", //
    "paramValue1").params("param2", //
    "paramValue2").addFileParams("file", // 这种方式为同一个key，上传多个文件
    files).execute(new JsonCallback<LzyResponse<ServerModel>>() {

        @Override
        public void onBefore(BaseRequest request) {
            super.onBefore(request);
            btnFormUpload.setText("正在上传中...");
        }

        @Override
        public void onSuccess(LzyResponse<ServerModel> responseData, Call call, Response response) {
            handleResponse(responseData.data, call, response);
            btnFormUpload.setText("上传完成");
        }

        @Override
        public void onError(Call call, Response response, Exception e) {
            super.onError(call, response, e);
            handleError(call, response);
            btnFormUpload.setText("上传出错");
        }

        @Override
        public void upProgress(long currentSize, long totalSize, float progress, long networkSpeed) {
            System.out.println("upProgress -- " + totalSize + "  " + currentSize + "  " + progress + "  " + networkSpeed);
            String downloadLength = Formatter.formatFileSize(getApplicationContext(), currentSize);
            String totalLength = Formatter.formatFileSize(getApplicationContext(), totalSize);
            tvDownloadSize.setText(downloadLength + "/" + totalLength);
            String netSpeed = Formatter.formatFileSize(getApplicationContext(), networkSpeed);
            tvNetSpeed.setText(netSpeed + "/S");
            tvProgress.setText((Math.round(progress * 10000) * 1.0f / 100) + "%");
            pbProgress.setMax(100);
            pbProgress.setProgress((int) (progress * 100));
        }
    });
}

Example 69 with Headers

use of okhttp3.Headers in project okhttp-OkGo by jeasonlzy.

the class SyncActivity method sync.

@OnClick(R.id.sync)
public void sync(View view) {
    new Thread(new Runnable() {

        @Override
        public void run() {
            try {
                //同步会阻塞主线程，必须开线程
                Response response = //
                OkGo.get(Urls.URL_JSONOBJECT).tag(//
                this).headers("header1", //
                "headerValue1").params("param1", //
                "paramValue1").execute();
                Message message = Message.obtain();
                message.obj = response;
                handler.sendMessage(message);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }).start();
}

Example 70 with Headers

use of okhttp3.Headers in project okhttp-OkGo by jeasonlzy.

the class CacheCall method execute.

@Override
public void execute(AbsCallback<T> callback) {
    synchronized (this) {
        if (executed)
            throw new IllegalStateException("Already executed.");
        executed = true;
    }
    mCallback = callback;
    if (mCallback == null)
        mCallback = new AbsCallbackWrapper<>();
    //请求执行前UI线程调用
    mCallback.onBefore(baseRequest);
    //请求之前获取缓存信息，添加缓存头和其他的公共头
    if (baseRequest.getCacheKey() == null)
        baseRequest.setCacheKey(HttpUtils.createUrlFromParams(baseRequest.getBaseUrl(), baseRequest.getParams().urlParamsMap));
    if (baseRequest.getCacheMode() == null)
        baseRequest.setCacheMode(CacheMode.NO_CACHE);
    //无缓存模式,不需要进入缓存逻辑
    final CacheMode cacheMode = baseRequest.getCacheMode();
    if (cacheMode != CacheMode.NO_CACHE) {
        //noinspection unchecked
        cacheEntity = (CacheEntity<T>) CacheManager.INSTANCE.get(baseRequest.getCacheKey());
        //检查缓存的有效时间,判断缓存是否已经过期
        if (cacheEntity != null && cacheEntity.checkExpire(cacheMode, baseRequest.getCacheTime(), System.currentTimeMillis())) {
            cacheEntity.setExpire(true);
        }
        HeaderParser.addCacheHeaders(baseRequest, cacheEntity, cacheMode);
    }
    //构建请求
    RequestBody requestBody = baseRequest.generateRequestBody();
    final Request request = baseRequest.generateRequest(baseRequest.wrapRequestBody(requestBody));
    rawCall = baseRequest.generateCall(request);
    if (cacheMode == CacheMode.IF_NONE_CACHE_REQUEST) {
        //如果没有缓存，或者缓存过期,就请求网络，否者直接使用缓存
        if (cacheEntity != null && !cacheEntity.isExpire()) {
            T data = cacheEntity.getData();
            HttpHeaders headers = cacheEntity.getResponseHeaders();
            if (data == null || headers == null) {
                //由于没有序列化等原因,可能导致数据为空
                sendFailResultCallback(true, rawCall, null, OkGoException.INSTANCE("没有获取到缓存,或者缓存已经过期!"));
            } else {
                sendSuccessResultCallback(true, data, rawCall, null);
                //获取缓存成功,不请求网络
                return;
            }
        } else {
            sendFailResultCallback(true, rawCall, null, OkGoException.INSTANCE("没有获取到缓存,或者缓存已经过期!"));
        }
    } else if (cacheMode == CacheMode.FIRST_CACHE_THEN_REQUEST) {
        //先使用缓存，不管是否存在，仍然请求网络
        if (cacheEntity != null && !cacheEntity.isExpire()) {
            T data = cacheEntity.getData();
            HttpHeaders headers = cacheEntity.getResponseHeaders();
            if (data == null || headers == null) {
                //由于没有序列化等原因,可能导致数据为空
                sendFailResultCallback(true, rawCall, null, OkGoException.INSTANCE("没有获取到缓存,或者缓存已经过期!"));
            } else {
                sendSuccessResultCallback(true, data, rawCall, null);
            }
        } else {
            sendFailResultCallback(true, rawCall, null, OkGoException.INSTANCE("没有获取到缓存,或者缓存已经过期!"));
        }
    }
    if (canceled) {
        rawCall.cancel();
    }
    currentRetryCount = 0;
    rawCall.enqueue(new okhttp3.Callback() {

        @Override
        public void onFailure(okhttp3.Call call, IOException e) {
            if (e instanceof SocketTimeoutException && currentRetryCount < baseRequest.getRetryCount()) {
                //超时重试处理
                currentRetryCount++;
                okhttp3.Call newCall = baseRequest.generateCall(call.request());
                newCall.enqueue(this);
            } else {
                mCallback.parseError(call, e);
                //请求失败，一般为url地址错误，网络错误等,并且过滤用户主动取消的网络请求
                if (!call.isCanceled()) {
                    sendFailResultCallback(false, call, null, e);
                }
            }
        }

        @Override
        public void onResponse(okhttp3.Call call, okhttp3.Response response) throws IOException {
            int responseCode = response.code();
            //304缓存数据
            if (responseCode == 304 && cacheMode == CacheMode.DEFAULT) {
                if (cacheEntity == null) {
                    sendFailResultCallback(true, call, response, OkGoException.INSTANCE("服务器响应码304，但是客户端没有缓存！"));
                } else {
                    T data = cacheEntity.getData();
                    HttpHeaders headers = cacheEntity.getResponseHeaders();
                    if (data == null || headers == null) {
                        //由于没有序列化等原因,可能导致数据为空
                        sendFailResultCallback(true, call, response, OkGoException.INSTANCE("没有获取到缓存,或者缓存已经过期!"));
                    } else {
                        sendSuccessResultCallback(true, data, call, response);
                    }
                }
                return;
            }
            //响应失败，一般为服务器内部错误，或者找不到页面等
            if (responseCode == 404 || responseCode >= 500) {
                sendFailResultCallback(false, call, response, OkGoException.INSTANCE("服务器数据异常!"));
                return;
            }
            try {
                Response<T> parseResponse = parseResponse(response);
                T data = parseResponse.body();
                //网络请求成功，保存缓存数据
                handleCache(response.headers(), data);
                //网络请求成功回调
                sendSuccessResultCallback(false, data, call, response);
            } catch (Exception e) {
                //一般为服务器响应成功，但是数据解析错误
                sendFailResultCallback(false, call, response, e);
            }
        }
    });
}