org.jf.dexlib2.dexbacked.raw

Class HeaderItem

java.lang.Object

org.jf.dexlib2.dexbacked.raw.HeaderItem

public class HeaderItem
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	BIG_ENDIAN_TAG
static int	CHECKSUM_DATA_START_OFFSET
static int	CHECKSUM_OFFSET
static int	CLASS_COUNT_OFFSET
static int	CLASS_START_OFFSET
static int	DATA_SIZE_OFFSET
static int	DATA_START_OFFSET
static int	ENDIAN_TAG_OFFSET
static int	FIELD_COUNT_OFFSET
static int	FIELD_START_OFFSET
static int	FILE_SIZE_OFFSET
static int	HEADER_SIZE_OFFSET
static int	ITEM_SIZE
static int	LITTLE_ENDIAN_TAG
static int	MAP_OFFSET
static int	METHOD_COUNT_OFFSET
static int	METHOD_START_OFFSET
static int	PROTO_COUNT_OFFSET
static int	PROTO_START_OFFSET
static int	SIGNATURE_DATA_START_OFFSET
static int	SIGNATURE_OFFSET
static int	SIGNATURE_SIZE
static int	STRING_COUNT_OFFSET
static int	STRING_START_OFFSET
static int	TYPE_COUNT_OFFSET
static int	TYPE_START_OFFSET

Constructor Summary

Constructors

Constructor and Description
HeaderItem(DexBackedDexFile dexFile)

Method Summary

Modifier and Type	Method and Description
int	getChecksum()
int	getClassCount()
int	getClassOffset()
static int	getEndian(byte[] buf, int offset)
int	getFieldCount()
int	getFieldOffset()
int	getHeaderSize()
static byte[]	getMagicForApi(int api) Get the highest magic number supported by Android for this api level.
static byte[]	getMagicForDexVersion(int dexVersion)
int	getMapOffset()
int	getMethodCount()
int	getMethodOffset()
int	getProtoCount()
int	getProtoOffset()
byte[]	getSignature()
int	getStringCount()
int	getStringOffset()
int	getTypeCount()
int	getTypeOffset()
static int	getVersion(byte[] buf, int offset) Gets the dex version from a dex header
static boolean	isSupportedDexVersion(int version)
static SectionAnnotator	makeAnnotator(DexAnnotator annotator, MapItem mapItem)
static boolean	verifyMagic(byte[] buf, int offset) Verifies the magic value at the beginning of a dex file

Methods inherited from class java.lang.Object

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

Field Detail

ITEM_SIZE

public static final int ITEM_SIZE

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Constant Field Values

LITTLE_ENDIAN_TAG

public static final int LITTLE_ENDIAN_TAG

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Constant Field Values

BIG_ENDIAN_TAG

public static final int BIG_ENDIAN_TAG

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Constant Field Values

CHECKSUM_OFFSET

public static final int CHECKSUM_OFFSET

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Constant Field Values

CHECKSUM_DATA_START_OFFSET

public static final int CHECKSUM_DATA_START_OFFSET

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Constant Field Values

SIGNATURE_OFFSET

public static final int SIGNATURE_OFFSET

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Constant Field Values

SIGNATURE_SIZE

public static final int SIGNATURE_SIZE

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Constant Field Values

SIGNATURE_DATA_START_OFFSET

public static final int SIGNATURE_DATA_START_OFFSET

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Constant Field Values

FILE_SIZE_OFFSET

public static final int FILE_SIZE_OFFSET

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Constant Field Values

HEADER_SIZE_OFFSET

public static final int HEADER_SIZE_OFFSET

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Constant Field Values

ENDIAN_TAG_OFFSET

public static final int ENDIAN_TAG_OFFSET

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Constant Field Values

MAP_OFFSET

public static final int MAP_OFFSET

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Constant Field Values

STRING_COUNT_OFFSET

public static final int STRING_COUNT_OFFSET

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Constant Field Values

STRING_START_OFFSET

public static final int STRING_START_OFFSET

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Constant Field Values

TYPE_COUNT_OFFSET

public static final int TYPE_COUNT_OFFSET

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Constant Field Values

TYPE_START_OFFSET

public static final int TYPE_START_OFFSET

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Constant Field Values

PROTO_COUNT_OFFSET

public static final int PROTO_COUNT_OFFSET

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Constant Field Values

PROTO_START_OFFSET

public static final int PROTO_START_OFFSET

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Constant Field Values

FIELD_COUNT_OFFSET

public static final int FIELD_COUNT_OFFSET

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Constant Field Values

FIELD_START_OFFSET

public static final int FIELD_START_OFFSET

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Constant Field Values

METHOD_COUNT_OFFSET

public static final int METHOD_COUNT_OFFSET

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Constant Field Values

METHOD_START_OFFSET

public static final int METHOD_START_OFFSET

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Constant Field Values

CLASS_COUNT_OFFSET

public static final int CLASS_COUNT_OFFSET

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Constant Field Values

CLASS_START_OFFSET

public static final int CLASS_START_OFFSET

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Constant Field Values

DATA_SIZE_OFFSET

public static final int DATA_SIZE_OFFSET

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Constant Field Values

DATA_START_OFFSET

public static final int DATA_START_OFFSET

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Constant Field Values

Constructor Detail

HeaderItem

public HeaderItem(@Nonnull
                  DexBackedDexFile dexFile)

Method Detail

getChecksum

public int getChecksum()

getSignature

@Nonnull
public byte[] getSignature()

getMapOffset

public int getMapOffset()

getHeaderSize

public int getHeaderSize()

getStringCount

public int getStringCount()

getStringOffset

public int getStringOffset()

getTypeCount

public int getTypeCount()

getTypeOffset

public int getTypeOffset()

getProtoCount

public int getProtoCount()

getProtoOffset

public int getProtoOffset()

getFieldCount

public int getFieldCount()

getFieldOffset

public int getFieldOffset()

getMethodCount

public int getMethodCount()

getMethodOffset

public int getMethodOffset()

getClassCount

public int getClassCount()

getClassOffset

public int getClassOffset()

makeAnnotator

@Nonnull
public static SectionAnnotator makeAnnotator(@Nonnull
                                                      DexAnnotator annotator,
                                                      @Nonnull
                                                      MapItem mapItem)

getMagicForApi

public static byte[] getMagicForApi(int api)

Get the highest magic number supported by Android for this api level.

Returns:

The dex file magic number

getMagicForDexVersion

public static byte[] getMagicForDexVersion(int dexVersion)

verifyMagic

public static boolean verifyMagic(byte[] buf,
                                  int offset)

Verifies the magic value at the beginning of a dex file

Parameters:

buf - A byte array containing at least the first 8 bytes of a dex file

offset - The offset within the buffer to the beginning of the dex header

Returns:

True if the magic value is valid

getVersion

public static int getVersion(byte[] buf,
                             int offset)

Gets the dex version from a dex header

Parameters:

buf - A byte array containing at least the first 7 bytes of a dex file

offset - The offset within the buffer to the beginning of the dex header

Returns:

The dex version if the header is valid or -1 if the header is invalid

isSupportedDexVersion

public static boolean isSupportedDexVersion(int version)

getEndian

public static int getEndian(byte[] buf,
                            int offset)