com.liulishuo.filedownloader.util

Class FileDownloadHelper

java.lang.Object

com.liulishuo.filedownloader.util.FileDownloadHelper

public class FileDownloadHelper
extends Object

The helper for cache the APP_CONTEXT and OK_HTTP_CLIENT for the main process and the filedownloader process.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	FileDownloadHelper.ConnectionCountAdapter
static interface	FileDownloadHelper.ConnectionCreator
static interface	FileDownloadHelper.DatabaseCustomMaker
static interface	FileDownloadHelper.IdGenerator
static interface	FileDownloadHelper.OutputStreamCreator

Constructor Summary

Constructors

Constructor and Description
FileDownloadHelper()

Method Summary

Modifier and Type	Method and Description
static Context	getAppContext()
static void	holdContext(Context context)
static boolean	inspectAndInflowConflictPath(int id, long sofar, String tempFilePath, String targetFilePath, IThreadPoolMonitor monitor)
static boolean	inspectAndInflowDownloaded(int id, String path, boolean forceReDownload, boolean flowDirectly)
static boolean	inspectAndInflowDownloading(int id, FileDownloadModel model, IThreadPoolMonitor monitor, boolean flowDirectly)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileDownloadHelper

public FileDownloadHelper()

Method Detail

holdContext

public static void holdContext(Context context)

getAppContext

public static Context getAppContext()

inspectAndInflowDownloaded

public static boolean inspectAndInflowDownloaded(int id,
                                                 String path,
                                                 boolean forceReDownload,
                                                 boolean flowDirectly)

Parameters:

id - the id used for filter out which task would be notified the 'completed' message if need.

path - if the file with path is exist it means the relate task would be completed.

forceReDownload - whether the task is force to re-download ignore whether the file has been exist or not.

flowDirectly - true if flow the message if need directly without throw to the message-queue.

Returns:

whether the task with id has been downloaded.

inspectAndInflowDownloading

public static boolean inspectAndInflowDownloading(int id,
                                                  FileDownloadModel model,
                                                  IThreadPoolMonitor monitor,
                                                  boolean flowDirectly)

Parameters:

id - the id used for filter out which task would be notified the 'warn' message if need.

model - the target model will be checked for judging whether it is downloading.

monitor - the monitor for download-thread.

flowDirectly - true if flow the message if need directly without throw to the message-queue.

Returns:

whether the model is downloading.

inspectAndInflowConflictPath

public static boolean inspectAndInflowConflictPath(int id,
                                                   long sofar,
                                                   String tempFilePath,
                                                   String targetFilePath,
                                                   IThreadPoolMonitor monitor)

Parameters:

id - the id used for filter out which task would be notified the 'error' message if need.

sofar - the so far bytes of the current checking-task.

tempFilePath - the temp file path(file path used for downloading) for the current checking-task.

targetFilePath - the target file path for the current checking-task.

monitor - the monitor for download-thread.

Returns:

whether the task with id is refused to start, because of there is an another running task with the same tempFilePath.