Class ZipEightByteInteger
- java.lang.Object
-
- org.apache.commons.compress.archivers.zip.ZipEightByteInteger
-
- All Implemented Interfaces:
java.io.Serializable
public final class ZipEightByteInteger extends java.lang.Object implements java.io.Serializable
Utility class that represents an eight byte integer with conversion rules for the little endian byte order of ZIP files.- Since:
- 1.2
- See Also:
- Serialized Form
-
-
Field Summary
Fields Modifier and Type Field Description static ZipEightByteInteger
ZERO
-
Constructor Summary
Constructors Constructor Description ZipEightByteInteger(byte[] bytes)
Create instance from bytes.ZipEightByteInteger(byte[] bytes, int offset)
Create instance from the eight bytes starting at offset.ZipEightByteInteger(long value)
Create instance from a number.ZipEightByteInteger(java.math.BigInteger value)
Create instance from a number.
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
equals(java.lang.Object o)
Override to make two instances with same value equal.byte[]
getBytes()
Get value as eight bytes in big endian byte order.static byte[]
getBytes(long value)
Get value as eight bytes in big endian byte order.static byte[]
getBytes(java.math.BigInteger value)
Get value as eight bytes in big endian byte order.long
getLongValue()
Get value as Java long.static long
getLongValue(byte[] bytes)
Helper method to get the value as a Java long from an eight-byte arraystatic long
getLongValue(byte[] bytes, int offset)
Helper method to get the value as a Java long from eight bytes starting at given array offsetjava.math.BigInteger
getValue()
Get value as Java BigInteger.static java.math.BigInteger
getValue(byte[] bytes)
Helper method to get the value as a Java long from an eight-byte arraystatic java.math.BigInteger
getValue(byte[] bytes, int offset)
Helper method to get the value as a Java BigInteger from eight bytes starting at given array offsetint
hashCode()
Override to make two instances with same value equal.java.lang.String
toString()
-
-
-
Field Detail
-
ZERO
public static final ZipEightByteInteger ZERO
-
-
Constructor Detail
-
ZipEightByteInteger
public ZipEightByteInteger(long value)
Create instance from a number.- Parameters:
value
- the long to store as a ZipEightByteInteger
-
ZipEightByteInteger
public ZipEightByteInteger(java.math.BigInteger value)
Create instance from a number.- Parameters:
value
- the BigInteger to store as a ZipEightByteInteger
-
ZipEightByteInteger
public ZipEightByteInteger(byte[] bytes)
Create instance from bytes.- Parameters:
bytes
- the bytes to store as a ZipEightByteInteger
-
ZipEightByteInteger
public ZipEightByteInteger(byte[] bytes, int offset)
Create instance from the eight bytes starting at offset.- Parameters:
bytes
- the bytes to store as a ZipEightByteIntegeroffset
- the offset to start
-
-
Method Detail
-
getBytes
public byte[] getBytes()
Get value as eight bytes in big endian byte order.- Returns:
- value as eight bytes in big endian order
-
getLongValue
public long getLongValue()
Get value as Java long.- Returns:
- value as a long
-
getValue
public java.math.BigInteger getValue()
Get value as Java BigInteger.- Returns:
- value as a BigInteger
-
getBytes
public static byte[] getBytes(long value)
Get value as eight bytes in big endian byte order.- Parameters:
value
- the value to convert- Returns:
- value as eight bytes in big endian byte order
-
getBytes
public static byte[] getBytes(java.math.BigInteger value)
Get value as eight bytes in big endian byte order.- Parameters:
value
- the value to convert- Returns:
- value as eight bytes in big endian byte order
-
getLongValue
public static long getLongValue(byte[] bytes, int offset)
Helper method to get the value as a Java long from eight bytes starting at given array offset- Parameters:
bytes
- the array of bytesoffset
- the offset to start- Returns:
- the corresponding Java long value
-
getValue
public static java.math.BigInteger getValue(byte[] bytes, int offset)
Helper method to get the value as a Java BigInteger from eight bytes starting at given array offset- Parameters:
bytes
- the array of bytesoffset
- the offset to start- Returns:
- the corresponding Java BigInteger value
-
getLongValue
public static long getLongValue(byte[] bytes)
Helper method to get the value as a Java long from an eight-byte array- Parameters:
bytes
- the array of bytes- Returns:
- the corresponding Java long value
-
getValue
public static java.math.BigInteger getValue(byte[] bytes)
Helper method to get the value as a Java long from an eight-byte array- Parameters:
bytes
- the array of bytes- Returns:
- the corresponding Java BigInteger value
-
equals
public boolean equals(java.lang.Object o)
Override to make two instances with same value equal.- Overrides:
equals
in classjava.lang.Object
- Parameters:
o
- an object to compare- Returns:
- true if the objects are equal
-
hashCode
public int hashCode()
Override to make two instances with same value equal.- Overrides:
hashCode
in classjava.lang.Object
- Returns:
- the hashCode of the value stored in the ZipEightByteInteger
-
toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
-
-