com.android.tools.build.apkzlib.zip

Class ExtraField.AlignmentSegment

java.lang.Object

com.android.tools.build.apkzlib.zip.ExtraField.AlignmentSegment

All Implemented Interfaces:

ExtraField.Segment

Enclosing class:

ExtraField

public static class ExtraField.AlignmentSegment
extends java.lang.Object
implements ExtraField.Segment

Segment with information on an alignment: this segment contains information on how an entry should be aligned and contains zero-filled data to force alignment.

An alignment segment contains the header ID, the size of the data, the alignment value and zero bytes to pad

Field Summary

Fields

Modifier and Type	Field and Description
static int	MINIMUM_SIZE Minimum size for an alignment segment.

Constructor Summary

Constructors

Constructor and Description
AlignmentSegment(int headerId, byte[] data) Creates a new alignment segment from extra data.
AlignmentSegment(int alignment, int totalSize) Creates a new alignment segment.

Method Summary

Modifier and Type	Method and Description
int	getHeaderId() Obtains the segment's header ID.
int	size() Obtains the size of the segment including the header ID.
void	write(java.nio.ByteBuffer out) Writes the segment to a buffer.

Methods inherited from class java.lang.Object

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

Field Detail

MINIMUM_SIZE

public static final int MINIMUM_SIZE

Minimum size for an alignment segment.

See Also:

Constant Field Values

Constructor Detail

AlignmentSegment

public AlignmentSegment(int alignment,
                        int totalSize)

Creates a new alignment segment.

Parameters:

alignment - the alignment value

totalSize - how many bytes should this segment take?

AlignmentSegment

public AlignmentSegment(int headerId,
                        byte[] data)
                 throws java.io.IOException

Creates a new alignment segment from extra data.

Parameters:

headerId - the header ID

data - the segment data

Throws:

java.io.IOException - failed to create the segment from the data

Method Detail

write

public void write(java.nio.ByteBuffer out)
           throws java.io.IOException

Description copied from interface: ExtraField.Segment

Writes the segment to a buffer.

Specified by:

write in interface ExtraField.Segment

Parameters:

out - the buffer where to write the segment to; exactly ExtraField.Segment.size() bytes will be written

Throws:

java.io.IOException - failed to write segment data

size

public int size()

Description copied from interface: ExtraField.Segment

Obtains the size of the segment including the header ID.

Specified by:

size in interface ExtraField.Segment

Returns:

the number of bytes needed to write the segment

getHeaderId

public int getHeaderId()

Description copied from interface: ExtraField.Segment

Obtains the segment's header ID.

Specified by:

getHeaderId in interface ExtraField.Segment

Returns:

the segment's header ID