com.lidroid.xutils.util.LogUtils Java Examples

/**
 * Initializes the disk cache.  Note that this includes disk access so this should not be
 * executed on the main/UI thread. By default an ImageCache does not initialize the disk
 * cache when it is created, instead you should call initDiskCache() to initialize it on a
 * background thread.
 */
public void initDiskCache() {
    // Set up disk cache
    synchronized (mDiskCacheLock) {
        if (globalConfig.isDiskCacheEnabled() && (mDiskLruCache == null || mDiskLruCache.isClosed())) {
            File diskCacheDir = new File(globalConfig.getDiskCachePath());
            if (diskCacheDir.exists() || diskCacheDir.mkdirs()) {
                long availableSpace = OtherUtils.getAvailableSpace(diskCacheDir);
                long diskCacheSize = globalConfig.getDiskCacheSize();
                diskCacheSize = availableSpace > diskCacheSize ? diskCacheSize : availableSpace;
                try {
                    mDiskLruCache = LruDiskCache.open(diskCacheDir, 1, 1, diskCacheSize);
                    mDiskLruCache.setFileNameGenerator(globalConfig.getFileNameGenerator());
                    LogUtils.d("create disk cache success");
                } catch (Throwable e) {
                    mDiskLruCache = null;
                    LogUtils.e("create disk cache error", e);
                }
            }
        }
    }
}
 

public static Bitmap decodeSampledBitmapFromByteArray(byte[] data, BitmapSize maxSize, Bitmap.Config config) {
    synchronized (lock) {
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        options.inPurgeable = true;
        options.inInputShareable = true;
        BitmapFactory.decodeByteArray(data, 0, data.length, options);
        options.inSampleSize = calculateInSampleSize(options, maxSize.getWidth(), maxSize.getHeight());
        options.inJustDecodeBounds = false;
        if (config != null) {
            options.inPreferredConfig = config;
        }
        try {
            return BitmapFactory.decodeByteArray(data, 0, data.length, options);
        } catch (Throwable e) {
            LogUtils.e(e.getMessage(), e);
            return null;
        }
    }
}
 

@Override
public void onLoading(long total, long current, boolean isUploading) {
    HttpHandler<File> handler = downloadInfo.getHandler();
    if (handler != null) {
        downloadInfo.setState(handler.getState());
    }
    downloadInfo.setFileLength(total);
    downloadInfo.setProgress(current);
    try {
        db.saveOrUpdate(downloadInfo);
    } catch (DbException e) {
        LogUtils.e(e.getMessage(), e);
    }
    if (baseCallBack != null) {
        baseCallBack.onLoading(total, current, isUploading);
    }
}
 

public static Method getColumnSetMethod(Class<?> entityType, Field field) {
    String fieldName = field.getName();
    Method setMethod = null;
    if (field.getType() == boolean.class) {
        setMethod = getBooleanColumnSetMethod(entityType, field);
    }
    if (setMethod == null) {
        String methodName = "set" + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
        try {
            setMethod = entityType.getDeclaredMethod(methodName, field.getType());
        } catch (NoSuchMethodException e) {
            LogUtils.d(methodName + " not exist");
        }
    }

    if (setMethod == null && !Object.class.equals(entityType.getSuperclass())) {
        return getColumnSetMethod(entityType.getSuperclass(), field);
    }
    return setMethod;
}
 

public static Method getColumnGetMethod(Class<?> entityType, Field field) {
    String fieldName = field.getName();
    Method getMethod = null;
    if (field.getType() == boolean.class) {
        getMethod = getBooleanColumnGetMethod(entityType, fieldName);
    }
    if (getMethod == null) {
        String methodName = "get" + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
        try {
            getMethod = entityType.getDeclaredMethod(methodName);
        } catch (NoSuchMethodException e) {
            LogUtils.d(methodName + " not exist");
        }
    }

    if (getMethod == null && !Object.class.equals(entityType.getSuperclass())) {
        return getColumnGetMethod(entityType.getSuperclass(), field);
    }
    return getMethod;
}
 

public static Bitmap decodeSampledBitmapFromDescriptor(FileDescriptor fileDescriptor, BitmapSize maxSize, Bitmap.Config config) {
    synchronized (lock) {
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true; // 只读头信息
        options.inPurgeable = true;
        options.inInputShareable = true;
        BitmapFactory.decodeFileDescriptor(fileDescriptor, null, options);
        //这个就是图片压缩倍数的参数
        options.inSampleSize = calculateInSampleSize(options, maxSize.getWidth(), maxSize.getHeight());
        options.inJustDecodeBounds = false;
        if (config != null) {
            options.inPreferredConfig = config;
        }
        try {
            return BitmapFactory.decodeFileDescriptor(fileDescriptor, null, options);
        } catch (Throwable e) {
            LogUtils.e(e.getMessage(), e);
            return null;
        }
    }
}
 

public static Bitmap decodeSampledBitmapFromFile(String filename, BitmapSize maxSize, Bitmap.Config config) {
    synchronized (lock) {
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        options.inPurgeable = true;
        options.inInputShareable = true;
        BitmapFactory.decodeFile(filename, options);
        options.inSampleSize = calculateInSampleSize(options, maxSize.getWidth(), maxSize.getHeight());
        options.inJustDecodeBounds = false;
        if (config != null) {
            options.inPreferredConfig = config;
        }
        try {
            return BitmapFactory.decodeFile(filename, options);
        } catch (Throwable e) {
            LogUtils.e(e.getMessage(), e);
            return null;
        }
    }
}
 

public static Bitmap decodeSampledBitmapFromResource(Resources res, int resId, BitmapSize maxSize, Bitmap.Config config) {
    synchronized (lock) {
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        options.inPurgeable = true;
        options.inInputShareable = true;
        BitmapFactory.decodeResource(res, resId, options);
        options.inSampleSize = calculateInSampleSize(options, maxSize.getWidth(), maxSize.getHeight());
        options.inJustDecodeBounds = false;
        if (config != null) {
            options.inPreferredConfig = config;
        }
        try {
            return BitmapFactory.decodeResource(res, resId, options);
        } catch (Throwable e) {
            LogUtils.e(e.getMessage(), e);
            return null;
        }
    }
}
 

@Override
public void onLoading(long total, long current, boolean isUploading) {
    HttpHandler<File> handler = downloadInfo.getHandler();
    if (handler != null) {
        downloadInfo.setState(handler.getState());
    }
    downloadInfo.setFileLength(total);
    downloadInfo.setProgress(current);
    try {
        db.saveOrUpdate(downloadInfo);
    } catch (DbException e) {
        LogUtils.e(e.getMessage(), e);
    }
    if (baseCallBack != null) {
        baseCallBack.onLoading(total, current, isUploading);
    }
}
 

private void refreshContent() {
    if (dirty) {
        try {
            this.content = URLEncodedUtils.format(params, charset).getBytes(charset);
        } catch (UnsupportedEncodingException e) {
            LogUtils.e(e.getMessage(), e);
        }
        dirty = false;
    }
}
 

public static Bitmap decodeByteArray(byte[] data) {
    synchronized (lock) {
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inPurgeable = true;
        options.inInputShareable = true;
        try {
            return BitmapFactory.decodeByteArray(data, 0, data.length, options);
        } catch (Throwable e) {
            LogUtils.e(e.getMessage(), e);
            return null;
        }
    }
}
 

/**
 * Get the bitmap from disk cache.
 *
 * @param uri
 * @param config
 * @return
 */
public Bitmap getBitmapFromDiskCache(String uri, BitmapDisplayConfig config) {
    if (uri == null || !globalConfig.isDiskCacheEnabled()) return null;
    if (mDiskLruCache == null) {
        initDiskCache();
    }
    if (mDiskLruCache != null) {
        LruDiskCache.Snapshot snapshot = null;
        try {
            snapshot = mDiskLruCache.get(uri);
            if (snapshot != null) {
                Bitmap bitmap = null;
                if (config == null || config.isShowOriginal()) {
                    bitmap = BitmapDecoder.decodeFileDescriptor(
                            snapshot.getInputStream(DISK_CACHE_INDEX).getFD());
                } else {
                    bitmap = BitmapDecoder.decodeSampledBitmapFromDescriptor(
                            snapshot.getInputStream(DISK_CACHE_INDEX).getFD(),
                            config.getBitmapMaxSize(),
                            config.getBitmapConfig());
                }

                bitmap = rotateBitmapIfNeeded(uri, config, bitmap);
                bitmap = addBitmapToMemoryCache(uri, config, bitmap, mDiskLruCache.getExpiryTimestamp(uri));
                return bitmap;
            }
        } catch (Throwable e) {
            LogUtils.e(e.getMessage(), e);
        } finally {
            IOUtils.closeQuietly(snapshot);
        }
    }
    return null;
}
 

public void clearDiskCache() {
    synchronized (mDiskCacheLock) {
        if (mDiskLruCache != null && !mDiskLruCache.isClosed()) {
            try {
                mDiskLruCache.delete();
                mDiskLruCache.close();
            } catch (Throwable e) {
                LogUtils.e(e.getMessage(), e);
            }
            mDiskLruCache = null;
        }
    }
    initDiskCache();
}
 

public void clearDiskCache(String uri) {
    synchronized (mDiskCacheLock) {
        if (mDiskLruCache != null && !mDiskLruCache.isClosed()) {
            try {
                mDiskLruCache.remove(uri);
            } catch (Throwable e) {
                LogUtils.e(e.getMessage(), e);
            }
        }
    }
}
 

/**
 * Flushes the disk cache associated with this ImageCache object. Note that this includes
 * disk access so this should not be executed on the main/UI thread.
 */
public void flush() {
    synchronized (mDiskCacheLock) {
        if (mDiskLruCache != null) {
            try {
                mDiskLruCache.flush();
            } catch (Throwable e) {
                LogUtils.e(e.getMessage(), e);
            }
        }
    }
}
 

/**
 * Closes the disk cache associated with this ImageCache object. Note that this includes
 * disk access so this should not be executed on the main/UI thread.
 */
public void close() {
    synchronized (mDiskCacheLock) {
        if (mDiskLruCache != null) {
            try {
                if (!mDiskLruCache.isClosed()) {
                    mDiskLruCache.close();
                }
            } catch (Throwable e) {
                LogUtils.e(e.getMessage(), e);
            }
            mDiskLruCache = null;
        }
    }
}
 

private synchronized static DbUtils getInstance(DaoConfig daoConfig) {
    DbUtils dao = daoMap.get(daoConfig.getDbName());
    if (dao == null) {
        dao = new DbUtils(daoConfig);
        daoMap.put(daoConfig.getDbName(), dao);
    } else {
        dao.daoConfig = daoConfig;
    }

    // update the database if needed
    SQLiteDatabase database = dao.database;
    int oldVersion = database.getVersion();
    int newVersion = daoConfig.getDbVersion();
    if (oldVersion != newVersion) { //数据库升级
        if (oldVersion != 0) {
            DbUpgradeListener upgradeListener = daoConfig.getDbUpgradeListener();
            if (upgradeListener != null) {
                upgradeListener.onUpgrade(dao, oldVersion, newVersion);
            } else {
                try {
                    dao.dropDb();
                } catch (DbException e) {
                    LogUtils.e(e.getMessage(), e);
                }
            }
        }
        database.setVersion(newVersion);
    }

    return dao;
}
 

public static Bitmap decodeFile(String filename) {
    synchronized (lock) {
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inPurgeable = true;
        options.inInputShareable = true;
        try {
            return BitmapFactory.decodeFile(filename, options);
        } catch (Throwable e) {
            LogUtils.e(e.getMessage(), e);
            return null;
        }
    }
}
 

@Override
public URI getURI() {
    try {
        if (uriCharset == null) {
            uriCharset = OtherUtils.getCharsetFromHttpRequest(this);
        }
        if (uriCharset == null) {
            uriCharset = Charset.forName(HTTP.UTF_8);
        }
        return uriBuilder.build(uriCharset);
    } catch (URISyntaxException e) {
        LogUtils.e(e.getMessage(), e);
        return null;
    }
}
 

public static DefaultSSLSocketFactory getSocketFactory() {
    if (instance == null) {
        try {
            instance = new DefaultSSLSocketFactory();
        } catch (Throwable e) {
            LogUtils.e(e.getMessage(), e);
        }
    }
    return instance;
}
 

public URIBuilder(final String uri) {
    try {
        digestURI(new URI(uri));
    } catch (URISyntaxException e) {
        LogUtils.e(e.getMessage(), e);
    }
}
 

/**
 * Returns an HttpEntity containing all request parameters
 */
public HttpEntity getEntity() {

    if (bodyEntity != null) {
        return bodyEntity;
    }

    HttpEntity result = null;

    if (fileParams != null && !fileParams.isEmpty()) {

        MultipartEntity multipartEntity = new MultipartEntity(HttpMultipartMode.STRICT, null, Charset.forName(charset));

        if (bodyParams != null && !bodyParams.isEmpty()) {
            for (NameValuePair param : bodyParams) {
                try {
                    multipartEntity.addPart(param.getName(), new StringBody(param.getValue()));
                } catch (UnsupportedEncodingException e) {
                    LogUtils.e(e.getMessage(), e);
                }
            }
        }

        for (ConcurrentHashMap.Entry<String, ContentBody> entry : fileParams.entrySet()) {
            multipartEntity.addPart(entry.getKey(), entry.getValue());
        }

        result = multipartEntity;
    } else if (bodyParams != null && !bodyParams.isEmpty()) {
        result = new BodyParamsEntity(bodyParams, charset);
    }

    return result;
}
 

private static Method getBooleanColumnGetMethod(Class<?> entityType, final String fieldName) {
    String methodName = "is" + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
    if (isStartWithIs(fieldName)) {
        methodName = fieldName;
    }
    try {
        return entityType.getDeclaredMethod(methodName);
    } catch (NoSuchMethodException e) {
        LogUtils.d(methodName + " not exist");
    }
    return null;
}
 

private static Method getBooleanColumnSetMethod(Class<?> entityType, Field field) {
    String fieldName = field.getName();
    String methodName = null;
    if (isStartWithIs(field.getName())) {
        methodName = "set" + fieldName.substring(2, 3).toUpperCase() + fieldName.substring(3);
    } else {
        methodName = "set" + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
    }
    try {
        return entityType.getDeclaredMethod(methodName, field.getType());
    } catch (NoSuchMethodException e) {
        LogUtils.d(methodName + " not exist");
    }
    return null;
}
 

/**
 * Creates a new asynchronous task. This constructor must be invoked on the UI thread.
 */
public PriorityAsyncTask() {
	//这一块为什么不直接使用Runnable， 我的见解是这种使用能获取返回值
    mWorker = new WorkerRunnable<Params, Result>() {  
        public Result call() throws Exception { //在子线程中运行
            mTaskInvoked.set(true);

            android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND);
            //noinspection unchecked
            return postResult(doInBackground(mParams));
        }
    };

    mFuture = new FutureTask<Result>(mWorker) { //
        @Override
        protected void done() {  
            try {
                postResultIfNotInvoked(get());
            } catch (InterruptedException e) {
                LogUtils.d(e.getMessage());
            } catch (ExecutionException e) {
                throw new RuntimeException("An error occured while executing doInBackground()",
                        e.getCause());
            } catch (CancellationException e) {
                postResultIfNotInvoked(null);
            }
        }
    };
}
 

@Override
public void onSuccess(ResponseInfo<File> responseInfo) {
    HttpHandler<File> handler = downloadInfo.getHandler();
    if (handler != null) {
        downloadInfo.setState(handler.getState());
    }
    try {
        db.saveOrUpdate(downloadInfo);
    } catch (DbException e) {
        LogUtils.e(e.getMessage(), e);
    }
    if (baseCallBack != null) {
        baseCallBack.onSuccess(responseInfo);
    }
}
 

DownloadManager(Context appContext) {
    ColumnConverterFactory.registerColumnConverter(HttpHandler.State.class, new HttpHandlerStateConverter());
    mContext = appContext;
    db = DbUtils.create(mContext);
    try {
        downloadInfoList = db.findAll(Selector.from(DownloadInfo.class));
    } catch (DbException e) {
        LogUtils.e(e.getMessage(), e);
    }
    if (downloadInfoList == null) {
        downloadInfoList = new ArrayList<DownloadInfo>();
    }
}
 

@Override
public void onStart() {
    HttpHandler<File> handler = downloadInfo.getHandler();
    if (handler != null) {
        downloadInfo.setState(handler.getState());
    }
    try {
        db.saveOrUpdate(downloadInfo);
    } catch (DbException e) {
        LogUtils.e(e.getMessage(), e);
    }
    if (baseCallBack != null) {
        baseCallBack.onStart();
    }
}
 

@Override
public void onStopped() {
    HttpHandler<File> handler = downloadInfo.getHandler();
    if (handler != null) {
        downloadInfo.setState(handler.getState());
    }
    try {
        db.saveOrUpdate(downloadInfo);
    } catch (DbException e) {
        LogUtils.e(e.getMessage(), e);
    }
    if (baseCallBack != null) {
        baseCallBack.onStopped();
    }
}
 

@Override
public void onSuccess(ResponseInfo<File> responseInfo) {
    HttpHandler<File> handler = downloadInfo.getHandler();
    if (handler != null) {
        downloadInfo.setState(handler.getState());
    }
    try {
        db.saveOrUpdate(downloadInfo);
    } catch (DbException e) {
        LogUtils.e(e.getMessage(), e);
    }
    if (baseCallBack != null) {
        baseCallBack.onSuccess(responseInfo);
    }
}