cn.t.util.io.crypto.helper

Class FileIndexHelper

java.lang.Object

cn.t.util.io.crypto.helper.FileIndexHelper

public class FileIndexHelper
extends Object

Constructor Summary

Constructors

Constructor and Description
FileIndexHelper(Context context)

Method Summary

Modifier and Type	Method and Description
void	persistFileIndex(FileChannel indexChannel, byte[] resourceKeyBytes, byte[] dataPaths, long dataLength, long startIndex, long endIndex)
byte	queryChunkIndex(FileChannel indexChannel)
int	queryResourceIndex(byte[] resourceKeyBytes)
ResourceIndex	queryResourceIndex(FileChannel indexChannel, byte[] resourceKeyBytes)

Methods inherited from class java.lang.Object

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

Constructor Detail

FileIndexHelper

public FileIndexHelper(Context context)

Method Detail

queryResourceIndex

public ResourceIndex queryResourceIndex(FileChannel indexChannel,
                                        byte[] resourceKeyBytes)
                                 throws IOException

Throws:

IOException

queryChunkIndex

public byte queryChunkIndex(FileChannel indexChannel)
                     throws IOException

Throws:

IOException

persistFileIndex

public void persistFileIndex(FileChannel indexChannel,
                             byte[] resourceKeyBytes,
                             byte[] dataPaths,
                             long dataLength,
                             long startIndex,
                             long endIndex)
                      throws IOException

Throws:

IOException

queryResourceIndex

public int queryResourceIndex(byte[] resourceKeyBytes)