org.apache.tools.zip

Class ZipShort

java.lang.Object

org.apache.tools.zip.ZipShort

All Implemented Interfaces:

java.lang.Cloneable

public final class ZipShort
extends java.lang.Object
implements java.lang.Cloneable

Utility class that represents a two byte integer with conversion rules for the big endian byte order of ZIP files.

Constructor Summary

Constructors

Constructor and Description
ZipShort(byte[] bytes) Create instance from bytes.
ZipShort(byte[] bytes, int offset) Create instance from the two bytes starting at offset.
ZipShort(int value) Create instance from a number.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone()
boolean	equals(java.lang.Object o) Override to make two instances with same value equal.
byte[]	getBytes() Get value as two bytes in big endian byte order.
static byte[]	getBytes(int value) Get value as two bytes in big endian byte order.
int	getValue() Get value as Java int.
static int	getValue(byte[] bytes) Helper method to get the value as a java int from a two-byte array
static int	getValue(byte[] bytes, int offset) Helper method to get the value as a java int from two bytes starting at given array offset
int	hashCode() Override to make two instances with same value equal.
static void	putShort(int value, byte[] buf, int offset) put the value as two bytes in big endian byte order.
java.lang.String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ZipShort

public ZipShort(int value)

Create instance from a number.

Parameters:

value - the int to store as a ZipShort

Since:

1.1

ZipShort

public ZipShort(byte[] bytes)

Create instance from bytes.

Parameters:

bytes - the bytes to store as a ZipShort

Since:

1.1

ZipShort

public ZipShort(byte[] bytes,
                int offset)

Create instance from the two bytes starting at offset.

Parameters:

bytes - the bytes to store as a ZipShort

offset - the offset to start

Since:

1.1

Method Detail

getBytes

public byte[] getBytes()

Get value as two bytes in big endian byte order.

Returns:

the value as a a two byte array in big endian byte order

Since:

1.1

putShort

public static void putShort(int value,
                            byte[] buf,
                            int offset)

put the value as two bytes in big endian byte order.

Parameters:

value - the Java int to convert to bytes

buf - the output buffer

offset - The offset within the output buffer of the first byte to be written. must be non-negative and no larger than buf.length-2

getValue

public int getValue()

Get value as Java int.

Returns:

value as a Java int

Since:

1.1

getBytes

public static byte[] getBytes(int value)

Get value as two bytes in big endian byte order.

Parameters:

value - the Java int to convert to bytes

Returns:

the converted int as a byte array in big endian byte order

getValue

public static int getValue(byte[] bytes,
                           int offset)

Helper method to get the value as a java int from two bytes starting at given array offset

Parameters:

bytes - the array of bytes

offset - the offset to start

Returns:

the corresponding java int value

getValue

public static int getValue(byte[] bytes)

Helper method to get the value as a java int from a two-byte array

Parameters:

bytes - the array of bytes

Returns:

the corresponding java int value

equals

public boolean equals(java.lang.Object o)

Override to make two instances with same value equal.

Overrides:

equals in class java.lang.Object

Parameters:

o - an object to compare

Returns:

true if the objects are equal

Since:

1.1

hashCode

public int hashCode()

Override to make two instances with same value equal.

Overrides:

hashCode in class java.lang.Object

Returns:

the value stored in the ZipShort

Since:

1.1

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object