Class ZipLong

  • All Implemented Interfaces:
    Cloneable

    public final class ZipLong
    extends Object
    implements Cloneable
    Utility class that represents a four byte integer with conversion rules for the big endian byte order of ZIP files.
    • Constructor Summary

      Constructors 
      Constructor Description
      ZipLong​(byte[] bytes)
      Create instance from bytes.
      ZipLong​(byte[] bytes, int offset)
      Create instance from the four bytes starting at offset.
      ZipLong​(long value)
      Create instance from a number.
    • Constructor Detail

      • ZipLong

        public ZipLong​(long value)
        Create instance from a number.
        Parameters:
        value - the long to store as a ZipLong
        Since:
        1.1
      • ZipLong

        public ZipLong​(byte[] bytes)
        Create instance from bytes.
        Parameters:
        bytes - the bytes to store as a ZipLong
        Since:
        1.1
      • ZipLong

        public ZipLong​(byte[] bytes,
                       int offset)
        Create instance from the four bytes starting at offset.
        Parameters:
        bytes - the bytes to store as a ZipLong
        offset - the offset to start
        Since:
        1.1
    • Method Detail

      • getBytes

        public byte[] getBytes()
        Get value as four bytes in big endian byte order.
        Returns:
        value as four bytes in big endian order
        Since:
        1.1
      • getValue

        public long getValue()
        Get value as Java long.
        Returns:
        value as a long
        Since:
        1.1
      • getBytes

        public static byte[] getBytes​(long value)
        Get value as four bytes in big endian byte order.
        Parameters:
        value - the value to convert
        Returns:
        value as four bytes in big endian byte order
      • getValue

        public static long getValue​(byte[] bytes,
                                    int offset)
        Helper method to get the value as a Java long from four bytes starting at given array offset
        Parameters:
        bytes - the array of bytes
        offset - the offset to start
        Returns:
        the correspondanding Java long value
      • getValue

        public static long getValue​(byte[] bytes)
        Helper method to get the value as a Java long from a four-byte array
        Parameters:
        bytes - the array of bytes
        Returns:
        the correspondanding Java long value
      • equals

        public boolean equals​(Object o)
        Override to make two instances with same value equal.
        Overrides:
        equals in class 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 Object
        Returns:
        the value stored in the ZipLong
        Since:
        1.1