org.lionsoul.ip2region.xdb

Class Searcher

java.lang.Object

org.lionsoul.ip2region.xdb.Searcher

public class Searcher
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	HeaderInfoLength
static int	SegmentIndexSize
static byte[]	shiftIndex
static int	VectorIndexCols
static int	VectorIndexRows
static int	VectorIndexSize

Constructor Summary

Constructors

Constructor and Description
Searcher(String dbFile, byte[] vectorIndex, byte[] cBuff)

Method Summary

Modifier and Type	Method and Description
static long	checkIP(String ip)
void	close()
static int	getInt(byte[] b, int offset)
static int	getInt2(byte[] b, int offset)
static long	getIntLong(byte[] b, int offset)
int	getIOCount()
static byte[]	loadContent(RandomAccessFile handle)
static byte[]	loadContentFromFile(String dbPath)
static Header	loadHeader(RandomAccessFile handle)
static Header	loadHeaderFromFile(String dbPath)
static byte[]	loadVectorIndex(RandomAccessFile handle)
static byte[]	loadVectorIndexFromFile(String dbPath)
static String	long2ip(long ip)
static Searcher	newWithBuffer(byte[] cBuff)
static Searcher	newWithFileOnly(String dbPath)
static Searcher	newWithVectorIndex(String dbPath, byte[] vectorIndex)
protected void	read(int offset, byte[] buffer)
String	search(long ip)
String	search(String ipStr)

Methods inherited from class java.lang.Object

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

Field Detail

HeaderInfoLength

public static final int HeaderInfoLength

See Also:

Constant Field Values

VectorIndexRows

public static final int VectorIndexRows

See Also:

Constant Field Values

VectorIndexCols

public static final int VectorIndexCols

See Also:

Constant Field Values

VectorIndexSize

public static final int VectorIndexSize

See Also:

Constant Field Values

SegmentIndexSize

public static final int SegmentIndexSize

See Also:

Constant Field Values

shiftIndex

public static final byte[] shiftIndex

Constructor Detail

Searcher

public Searcher(String dbFile,
                byte[] vectorIndex,
                byte[] cBuff)
         throws IOException

Throws:

IOException

Method Detail

newWithFileOnly

public static Searcher newWithFileOnly(String dbPath)
                                throws IOException

Throws:

IOException

newWithVectorIndex

public static Searcher newWithVectorIndex(String dbPath,
                                          byte[] vectorIndex)
                                   throws IOException

Throws:

IOException

newWithBuffer

public static Searcher newWithBuffer(byte[] cBuff)
                              throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException

getIOCount

public int getIOCount()

search

public String search(String ipStr)
              throws Exception

Throws:

Exception

search

public String search(long ip)
              throws IOException

Throws:

IOException

read

protected void read(int offset,
                    byte[] buffer)
             throws IOException

Throws:

IOException

loadHeader

public static Header loadHeader(RandomAccessFile handle)
                         throws IOException

Throws:

IOException

loadHeaderFromFile

public static Header loadHeaderFromFile(String dbPath)
                                 throws IOException

Throws:

IOException

loadVectorIndex

public static byte[] loadVectorIndex(RandomAccessFile handle)
                              throws IOException

Throws:

IOException

loadVectorIndexFromFile

public static byte[] loadVectorIndexFromFile(String dbPath)
                                      throws IOException

Throws:

IOException

loadContent

public static byte[] loadContent(RandomAccessFile handle)
                          throws IOException

Throws:

IOException

loadContentFromFile

public static byte[] loadContentFromFile(String dbPath)
                                  throws IOException

Throws:

IOException

getIntLong

public static long getIntLong(byte[] b,
                              int offset)

getInt

public static int getInt(byte[] b,
                         int offset)

getInt2

public static int getInt2(byte[] b,
                          int offset)

long2ip

public static String long2ip(long ip)

checkIP

public static long checkIP(String ip)
                    throws Exception

Throws:

Exception