Java 类com.facebook.imagepipeline.cache.DefaultCacheKeyFactory 实例源码

项目：cardinalsSample 文件：FrescoManager.java

/**
 * @param url 指定的url
 * @return 获取制定url的图片，需要保存为xx.jpg格式。
 */
public File getFileFromDiskCache(String url) {
    File localFile = null;
    if (!TextUtils.isEmpty(url)) {
        CacheKey cacheKey = DefaultCacheKeyFactory.getInstance().getEncodedCacheKey(ImageRequest.fromUri(url), null);
        BinaryResource resource;
        if (ImagePipelineFactory.getInstance().getMainFileCache().hasKeySync(cacheKey)) {
            resource = ImagePipelineFactory.getInstance().getMainFileCache().getResource(cacheKey);
            localFile = ((FileBinaryResource) resource).getFile();
        } else if (ImagePipelineFactory.getInstance().getSmallImageFileCache().hasKey(cacheKey)) {
            resource = ImagePipelineFactory.getInstance().getSmallImageFileCache().getResource(cacheKey);
            localFile = ((FileBinaryResource) resource).getFile();
        }
    }
    return localFile;
}

项目：materialup 文件：ShareDribbbleImageTask.java

@Override
    protected File doInBackground(Void... params) {
        final String url = shot.getTeaserUrl();
        try {
            ImageRequest imageRequest = ImageRequest.fromUri(url);
            CacheKey cacheKey = DefaultCacheKeyFactory.getInstance().getEncodedCacheKey(imageRequest);
//            ImagePipeline imagePipeline = Fresco.getImagePipeline();
//            imagePipeline.prefetchToDiskCache(imageRequest,activity);
            BinaryResource resource = ImagePipelineFactory.getInstance().getMainDiskStorageCache().getResource(cacheKey);
            File file = ((FileBinaryResource) resource).getFile();

            String fileName = url;
            fileName = fileName.substring(fileName.lastIndexOf('/') + 1);
            File renamed = new File(file.getParent(), fileName);
            if (!renamed.exists()) {
                FileUtil.copy(file, renamed);
            }
            return renamed;
        } catch (Exception ex) {
            Log.w("SHARE", "Sharing " + url + " failed", ex);
            return null;
        }
    }

项目：redgram-for-reddit 文件：LinksContainerView.java

@Override
public void viewImageMedia(int position, boolean loaded) {
    if(loaded){
        PostItem item = getItem(position);
        CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
                .getEncodedCacheKey(ImageRequest
                        .fromUri(Uri.parse(item.getUrl())));
        if(cacheKey != null){
            BinaryResource resource = ImagePipelineFactory.getInstance().getMainDiskStorageCache().getResource(cacheKey);

            File localFile;
            if(resource != null){
                localFile = ((FileBinaryResource) resource).getFile();

                Bundle bundle = new Bundle();

                bundle.putString(getResources().getString(R.string.local_cache_key), localFile.getPath());

                bundle.putString(getResources().getString(R.string.main_data_key), gson.toJson(item));

                ((SlidingUpPanelActivity)context).setPanelView(Fragments.IMAGE_PREVIEW, bundle);
            }
        }
    }
}

项目：redgram-for-reddit 文件：ImagePreviewFragment.java

private void displayCachedImageFromBackgroundThread(ImageRequest request){
    CacheKey cacheKey = DefaultCacheKeyFactory.getInstance().getEncodedCacheKey(ImageRequest.fromUri(request.getSourceUri()));

    if(cacheKey != null){
        BinaryResource resource = ImagePipelineFactory.getInstance().getMainDiskStorageCache().getResource(cacheKey);
        if(resource != null){
            File localFile = ((FileBinaryResource) resource).getFile();
            if(localFile != null){
                Handler handler = new Handler(Looper.getMainLooper());
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        imagePreview.setImage(ImageSource.uri(localFile.getPath()));
                    }
                });
            }
        }

    }
}

项目：TLint 文件：ImagePreviewPresenter.java

private InputStream getImageBytesFromLocal(Uri loadUri) {
    if (loadUri == null) {
        return null;
    }
    CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
            .getEncodedCacheKey(ImageRequest.fromUri(loadUri), null);
    try {
        if (ImagePipelineFactory.getInstance().getMainFileCache().hasKey(cacheKey)) {
            return ImagePipelineFactory.getInstance()
                    .getMainFileCache()
                    .getResource(cacheKey)
                    .openStream();
        }
        if (ImagePipelineFactory.getInstance().getSmallImageFileCache().hasKey(cacheKey)) {
            return ImagePipelineFactory.getInstance()
                    .getSmallImageFileCache()
                    .getResource(cacheKey)
                    .openStream();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

项目：cardinalsSample 文件：FrescoManager.java

/**
 * 将图片插入缓存
 *
 * @param key         保存文件的可以
 * @param inputStream 图片转化成的InputStream
 * @return 是否插入成功
 */
public static boolean insertImageToCache(String key, InputStream inputStream) {
    try {
        CacheKey cacheKey = DefaultCacheKeyFactory.getInstance().getEncodedCacheKey(ImageRequest.fromUri(key), null);
        ImagePipelineFactory.getInstance().getMainFileCache().insert(cacheKey, WriterCallbacks.from(inputStream));
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    } finally {
        CloseUtil.close(inputStream);
    }
    return true;

}

项目：fastDev 文件：FrescoUtils.java

/**
 *this method is return very fast, you can use it in UI thread.
 * @param url
 * @return 该url对应的图片是否已经缓存到本地
 */
public static boolean isCached(String url) {

    // return Fresco.getImagePipeline().isInDiskCache(Uri.parse(url));

    ImageRequest imageRequest = ImageRequest.fromUri(url);
    CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
            .getEncodedCacheKey(imageRequest);
    return ImagePipelineFactory.getInstance()
            .getMainFileCache().hasKey(cacheKey);
}

项目：MyImageUtil 文件：FrescoUtil.java

/**
 *this method is return very fast, you can use it in UI thread.
 * @param url
 * @return 该url对应的图片是否已经缓存到本地
 */
public static boolean isCached(String url) {
    url = append(url);
  // return Fresco.getImagePipeline().isInDiskCache(Uri.parse(url));

    ImageRequest imageRequest = ImageRequest.fromUri(url);
    CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
            .getEncodedCacheKey(imageRequest,null);
    return ImagePipelineFactory.getInstance()
            .getMainFileCache().hasKey(cacheKey);
}

项目：materialup 文件：PhotoActivity.java

private void save() {
        try {
            ImageRequest imageRequest = ImageRequest.fromUri(mUrl);
            CacheKey cacheKey = DefaultCacheKeyFactory.getInstance().getEncodedCacheKey(imageRequest);
            BinaryResource resource = ImagePipelineFactory.getInstance().getMainDiskStorageCache().getResource(cacheKey);
            File file = ((FileBinaryResource) resource).getFile();

            String fileName = mUrl;
            fileName = fileName.substring(fileName.lastIndexOf('/') + 1);
            if (mTitle != null) {
                fileName = mTitle + fileName;
            }
            File pic = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
            File dir = new File(pic, "material/");
            if (!dir.exists()) {
                dir.mkdirs();
            }
            File renamed = new File(dir, fileName);
            if (!renamed.exists()) {
                renamed.createNewFile();
                FileUtil.copy(file, renamed);
            }
            UI.showToast(this, getString(R.string.image_saved_to, renamed.getAbsolutePath()));
//            Snackbar.make(mDraweeView,R.string.image_is_saved, Snackbar.LENGTH_LONG);
        } catch (Exception ex) {
            Log.w("SHARE", "Sharing " + mUrl + " failed", ex);
        }
    }

项目：BigImageViewer 文件：FrescoImageLoader.java

private File getCacheFile(final ImageRequest request) {
    FileCache mainFileCache = ImagePipelineFactory
            .getInstance()
            .getMainFileCache();
    final CacheKey cacheKey = DefaultCacheKeyFactory
            .getInstance()
            .getEncodedCacheKey(request, false); // we don't need context, but avoid null
    File cacheFile = request.getSourceFile();
    // http://crashes.to/s/ee10638fb31
    if (mainFileCache.hasKey(cacheKey) && mainFileCache.getResource(cacheKey) != null) {
        cacheFile = ((FileBinaryResource) mainFileCache.getResource(cacheKey)).getFile();
    }
    return cacheFile;
}

项目：FrescoUtlis 文件：FrescoUtils.java

/**
 *this method is return very fast, you can use it in UI thread.
 * @param url
 * @return 该url对应的图片是否已经缓存到本地
 */
public static boolean isCached(String url) {

  // return Fresco.getImagePipeline().isInDiskCache(Uri.parse(url));

    ImageRequest imageRequest = ImageRequest.fromUri(url);
    CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
            .getEncodedCacheKey(imageRequest);
    return ImagePipelineFactory.getInstance()
            .getMainFileCache().hasKey(cacheKey);
}

项目：AyoSunny 文件：ImageLoaderUseFresco.java

private boolean isDownloaded(Uri loadUri) {

        if (loadUri == null) {
            return false;
        }
        ImageRequest imageRequest = ImageRequest.fromUri(loadUri);
        CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
                .getEncodedCacheKey(imageRequest);
        return ImagePipelineFactory.getInstance()
                .getMainDiskStorageCache().hasKey(cacheKey);
    }

项目：FrescoUtils 文件：FrescoHelper.java

/**
 * 图片是否已经存在了
 */
public static boolean isCached(Context context, Uri uri) {
    ImagePipeline imagePipeline = Fresco.getImagePipeline();
    DataSource<Boolean> dataSource = imagePipeline.isInDiskCache(uri);
    if (dataSource == null) {
        return false;
    }
    ImageRequest imageRequest = ImageRequest.fromUri(uri);
    CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
            .getEncodedCacheKey(imageRequest, context);
    BinaryResource resource = ImagePipelineFactory.getInstance()
            .getMainFileCache().getResource(cacheKey);
    return resource != null && dataSource.getResult() != null && dataSource.getResult();
}

项目：FrescoUtils 文件：FrescoHelper.java

/**
 * 本地缓存文件
 */
public static File getCache(Context context, Uri uri) {
    if (!isCached(context, uri))
        return null;
    ImageRequest imageRequest = ImageRequest.fromUri(uri);
    CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
            .getEncodedCacheKey(imageRequest, context);
    BinaryResource resource = ImagePipelineFactory.getInstance()
            .getMainFileCache().getResource(cacheKey);
    File file = ((FileBinaryResource) resource).getFile();
    return file;
}

项目：BigImageViewer-master 文件：FrescoImageLoader.java

private File getCacheFile(final ImageRequest request) {
    FileCache mainFileCache = ImagePipelineFactory
            .getInstance()
            .getMainFileCache();
    final CacheKey cacheKey = DefaultCacheKeyFactory
            .getInstance()
            .getEncodedCacheKey(request, false); // we don't need context, but avoid null
    File cacheFile = request.getSourceFile();
    if (mainFileCache.hasKey(cacheKey)) {
        cacheFile = ((FileBinaryResource) mainFileCache.getResource(cacheKey)).getFile();
    }
    return cacheFile;
}

项目：ImageSliderByFresco 文件：FrescoUtil.java

/**
 *this method is return very fast, you can use it in UI thread.
 * @param url
 * @return 该url对应的图片是否已经缓存到本地
 */
public static boolean isCached(String url) {
    url = append(url);
  // return Fresco.getImagePipeline().isInDiskCache(Uri.parse(url));

    ImageRequest imageRequest = ImageRequest.fromUri(url);
    CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
            .getEncodedCacheKey(imageRequest);
    return ImagePipelineFactory.getInstance()
            .getMainFileCache().hasKey(cacheKey);
}

项目：TLint 文件：OffLineService.java

private boolean isImageDownloaded(Uri loadUri) {
    if (loadUri == null) {
        return false;
    }
    CacheKey cacheKey = DefaultCacheKeyFactory.getInstance()
            .getEncodedCacheKey(ImageRequest.fromUri(loadUri), null);
    return ImagePipelineFactory.getInstance().getMainFileCache().hasKey(cacheKey)
            || ImagePipelineFactory.getInstance().getSmallImageFileCache().hasKey(cacheKey);
}

项目：HDImageView 文件：FrescoInterceptor.java

@Override
public BitmapRegionDecoder intercept(Chain chain) throws IOException {
    final Uri uri = chain.uri();
    BitmapRegionDecoder decoder = chain.chain(uri);
    if (decoder != null){
        return decoder;
    }

    if (UriUtil.isNetworkUri(uri)){
        ImagePipeline imagePipeline = ImagePipelineFactory.getInstance().getImagePipeline();

        ImageRequest request = ImageRequest.fromUri(uri);
        DataSource<CloseableReference<PooledByteBuffer>> dataSource = imagePipeline.fetchEncodedImage(request,null);
        try {
            CloseableReference<PooledByteBuffer> ref = DataSources.waitForFinalResult(dataSource);
            if (ref == null){
                return null;
            }
            PooledByteBuffer result = ref.get();
            if (BuildConfig.DEBUG) {
                Log.d("FrescoInterceptor", "从我这加载");
            }
            try {
                InputStream inputStream = new PooledByteBufferInputStream(result);
                Closeables.closeQuietly(inputStream);
                return BitmapRegionDecoder.newInstance(inputStream,false);
            } catch (IOException e) {
                ImageRequest imageRequest=ImageRequest.fromUri(uri);
                CacheKey cacheKey= DefaultCacheKeyFactory.getInstance().getEncodedCacheKey(imageRequest,null);
                BinaryResource resource = ImagePipelineFactory.getInstance().getMainFileCache().getResource(cacheKey);
                File file=((FileBinaryResource)resource).getFile();
                if (BuildConfig.DEBUG) {
                    Log.d("FrescoInterceptor", file.getName());
                }
                return Interceptors.fixJPEGDecoder(file,e);
            }
        } catch (Throwable throwable) {
            if (BuildConfig.DEBUG) {
                Log.d("FrescoInterceptor", "intercept: 加载失败了");
            }
            throwable.printStackTrace();
            return null;
        }
    }

    return null;
}