com.facebook.presto.druid.segment

Class ZipIndexFileSource

java.lang.Object

com.facebook.presto.druid.segment.ZipIndexFileSource

All Implemented Interfaces:

IndexFileSource, Closeable, AutoCloseable

public class ZipIndexFileSource
extends Object
implements IndexFileSource, Closeable, AutoCloseable

Field Summary

Fields

Modifier and Type	Field and Description
static int	LOCAL_HEADER_EXTRA_FIELD_LENGTH_OFFSET
static int	LOCAL_HEADER_FILENAME_LENGTH_OFFSET
static int	LOCAL_HEADER_FIXED_DATA_SIZE
static int	LOCAL_HEADER_SIGNATURE

Constructor Summary

Constructors

Constructor and Description
ZipIndexFileSource(DataInputSource dataInputSource)

Method Summary

Modifier and Type	Method and Description
void	close()
byte[]	readFile(String fileName) Reads file inside a zip archive
void	readFile(String fileName, long position, byte[] buffer)

Methods inherited from class java.lang.Object

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

Field Detail

LOCAL_HEADER_SIGNATURE

public static final int LOCAL_HEADER_SIGNATURE

See Also:

Constant Field Values

LOCAL_HEADER_FIXED_DATA_SIZE

public static final int LOCAL_HEADER_FIXED_DATA_SIZE

See Also:

Constant Field Values

LOCAL_HEADER_FILENAME_LENGTH_OFFSET

public static final int LOCAL_HEADER_FILENAME_LENGTH_OFFSET

See Also:

Constant Field Values

LOCAL_HEADER_EXTRA_FIELD_LENGTH_OFFSET

public static final int LOCAL_HEADER_EXTRA_FIELD_LENGTH_OFFSET

See Also:

Constant Field Values

Constructor Detail

ZipIndexFileSource

public ZipIndexFileSource(DataInputSource dataInputSource)

Method Detail

readFile

public byte[] readFile(String fileName)
                throws IOException

Reads file inside a zip archive

Specified by:

readFile in interface IndexFileSource

Throws:

IOException

readFile

public final void readFile(String fileName,
                           long position,
                           byte[] buffer)
                    throws IOException

Specified by:

readFile in interface IndexFileSource

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException