org.jf.dexlib2.dexbacked.raw

Class OdexHeaderItem

java.lang.Object

org.jf.dexlib2.dexbacked.raw.OdexHeaderItem

public class OdexHeaderItem
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	AUX_LENGTH_OFFSET
static int	AUX_OFFSET
static int	DEPENDENCIES_LENGTH_OFFSET
static int	DEPENDENCIES_OFFSET
static int	DEX_LENGTH_OFFSET
static int	DEX_OFFSET
static int	FLAGS_OFFSET
static int	ITEM_SIZE
static int	MAGIC_LENGTH
static int	MAGIC_OFFSET

Constructor Summary

Constructors

Constructor and Description
OdexHeaderItem()

Method Summary

Modifier and Type	Method and Description
static int	getDependenciesOffset(byte[] buf)
static int	getDexOffset(byte[] buf)
static int	getVersion(byte[] buf, int offset) Gets the dex version from an odex header
static boolean	isSupportedOdexVersion(int version)
static boolean	verifyMagic(byte[] buf, int offset) Verifies the magic value at the beginning of an odex 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

MAGIC_OFFSET

public static final int MAGIC_OFFSET

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Constant Field Values

MAGIC_LENGTH

public static final int MAGIC_LENGTH

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Constant Field Values

DEX_OFFSET

public static final int DEX_OFFSET

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Constant Field Values

DEX_LENGTH_OFFSET

public static final int DEX_LENGTH_OFFSET

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Constant Field Values

DEPENDENCIES_OFFSET

public static final int DEPENDENCIES_OFFSET

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Constant Field Values

DEPENDENCIES_LENGTH_OFFSET

public static final int DEPENDENCIES_LENGTH_OFFSET

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Constant Field Values

AUX_OFFSET

public static final int AUX_OFFSET

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Constant Field Values

AUX_LENGTH_OFFSET

public static final int AUX_LENGTH_OFFSET

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Constant Field Values

FLAGS_OFFSET

public static final int FLAGS_OFFSET

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Constant Field Values

Constructor Detail

OdexHeaderItem

public OdexHeaderItem()

Method Detail

verifyMagic

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

Verifies the magic value at the beginning of an odex file

Parameters:

buf - A byte array containing at least the first 8 bytes of an odex file

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

Returns:

True if the magic value is valid

getVersion

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

Gets the dex version from an odex header

Parameters:

buf - A byte array containing at least the first 7 bytes of an odex file

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

Returns:

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

isSupportedOdexVersion

public static boolean isSupportedOdexVersion(int version)

getDexOffset

public static int getDexOffset(byte[] buf)

getDependenciesOffset

public static int getDependenciesOffset(byte[] buf)