org.riversun.finbin

Class BinarySearcher

java.lang.Object

org.riversun.finbin.BinarySearcher

Direct Known Subclasses:

BigBinarySearcher

public class BinarySearcher
extends Object

Search target bytes(byte[]) from source bytes(byte[])

This class is going to scan byte[] data to sequential, it is effective in small size(less than 1kBytes) byte[] data.

Author:

Tom Misawa (riversun.org@gmail.com)

Constructor Summary

Constructors

Constructor and Description
BinarySearcher()

Method Summary

Modifier and Type	Method and Description
int	indexOf(byte[] srcBytes, byte[] searchBytes) Returns the index within this byte-array of the first occurrence of the specified(search bytes) byte array.
int	indexOf(byte[] srcBytes, byte[] searchBytes, int startIndex) Returns the index within this byte-array of the first occurrence of the specified(search bytes) byte array. Starting the search at the specified index
int	indexOf(byte[] srcBytes, byte[] searchBytes, int startIndex, int endIndex) Returns the index within this byte-array of the first occurrence of the specified(search bytes) byte array. Starting the search at the specified index, and end at the specified index.
List<Integer>	searchBytes(byte[] srcBytes, byte[] searchBytes) Search bytes in byte array returns indexes within this byte-array of all occurrences of the specified(search bytes) byte array.
List<Integer>	searchBytes(byte[] srcBytes, byte[] searchBytes, int searchStartIndex)
List<Integer>	searchBytes(byte[] srcBytes, byte[] searchBytes, int searchStartIndex, int searchEndIndex) Search bytes in byte array returns indexes within this byte-array of all occurrences of the specified(search bytes) byte array in the specified range

Methods inherited from class java.lang.Object

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

Constructor Detail

BinarySearcher

public BinarySearcher()

Method Detail

indexOf

public int indexOf(byte[] srcBytes,
                   byte[] searchBytes)

Returns the index within this byte-array of the first occurrence of the specified(search bytes) byte array.

Parameters:

srcBytes -

searchBytes -

Returns:

indexOf

public int indexOf(byte[] srcBytes,
                   byte[] searchBytes,
                   int startIndex)

Returns the index within this byte-array of the first occurrence of the specified(search bytes) byte array.
Starting the search at the specified index

Parameters:

srcBytes -

searchBytes -

startIndex -

Returns:

indexOf

public int indexOf(byte[] srcBytes,
                   byte[] searchBytes,
                   int startIndex,
                   int endIndex)

Returns the index within this byte-array of the first occurrence of the specified(search bytes) byte array.
Starting the search at the specified index, and end at the specified index.

Parameters:

srcBytes -

searchBytes -

startIndex -

endIndex -

Returns:

searchBytes

public List<Integer> searchBytes(byte[] srcBytes,
                                 byte[] searchBytes)

Search bytes in byte array returns indexes within this byte-array of all occurrences of the specified(search bytes) byte array.

Parameters:

srcBytes -

searchBytes -

Returns:

result index list

searchBytes

public List<Integer> searchBytes(byte[] srcBytes,
                                 byte[] searchBytes,
                                 int searchStartIndex)

searchBytes

public List<Integer> searchBytes(byte[] srcBytes,
                                 byte[] searchBytes,
                                 int searchStartIndex,
                                 int searchEndIndex)

Search bytes in byte array returns indexes within this byte-array of all occurrences of the specified(search bytes) byte array in the specified range

Parameters:

srcBytes -

searchBytes -

searchStartIndex -

searchEndIndex -

Returns:

result index list