Package 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	Description
static final int	HeaderInfoLength
static final int	MAX_WRITE_BYTES
static final int	STRUCTURE_20
static final int	STRUCTURE_30
static final int	VectorIndexCols
static final int	VectorIndexRows
static final int	VectorIndexSize

Constructor Summary

Constructors

Constructor	Description
Searcher(Version version, File xdbFile, byte[] vectorIndex, LongByteArray cBuff)

Method Summary

Modifier and Type	Method	Description
void	close()
int	getIOCount()
Version	getIPVersion()
static LongByteArray	loadContent(RandomAccessFile handle)
static LongByteArray	loadContentFromFile(File xdbFile)
static LongByteArray	loadContentFromFile(String xdbPath)
static LongByteArray	loadContentFromInputStream(InputStream is)
static Header	loadHeader(RandomAccessFile handle)
static Header	loadHeaderFromBuffer(LongByteArray cBuffer)
static Header	loadHeaderFromFile(File xdbFile)
static Header	loadHeaderFromFile(String xdbPath)
static byte[]	loadVectorIndex(RandomAccessFile handle)
static byte[]	loadVectorIndexFromBuffer(LongByteArray cBuffer)
static byte[]	loadVectorIndexFromFile(File xdbFile)
static byte[]	loadVectorIndexFromFile(String xdbPath)
static Searcher	newWithBuffer(Version version, LongByteArray cBuff)
static Searcher	newWithFileOnly(Version version, File xdbFile)
static Searcher	newWithFileOnly(Version version, String xdbPath)
static Searcher	newWithVectorIndex(Version version, File xdbFile, byte[] vectorIndex)
static Searcher	newWithVectorIndex(Version version, String xdbPath, byte[] vectorIndex)
protected void	read(long offset, byte[] buffer)
String	search(byte[] ip)
String	search(String ipStr)
String	toString()
static void	verify(RandomAccessFile handle)
static void	verify(Header header, long fileBytes)
static void	verifyFromFile(File xdbFile)
static void	verifyFromFile(String xdbPath)

Methods inherited from class java.lang.Object

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

Field Details

STRUCTURE_20

public static final int STRUCTURE_20

See Also:

• Constant Field Values

STRUCTURE_30

public static final int STRUCTURE_30

See Also:

• Constant Field Values

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

MAX_WRITE_BYTES

public static final int MAX_WRITE_BYTES

See Also:

• Constant Field Values

Constructor Details

Searcher

public Searcher(Version version,
 File xdbFile,
 byte[] vectorIndex,
 LongByteArray cBuff)
         throws IOException

Throws:

IOException

Method Details

newWithFileOnly

public static Searcher newWithFileOnly(Version version,
 String xdbPath)
                                throws IOException

Throws:

IOException

newWithFileOnly

public static Searcher newWithFileOnly(Version version,
 File xdbFile)
                                throws IOException

Throws:

IOException

newWithVectorIndex

public static Searcher newWithVectorIndex(Version version,
 String xdbPath,
 byte[] vectorIndex)
                                   throws IOException

Throws:

IOException

newWithVectorIndex

public static Searcher newWithVectorIndex(Version version,
 File xdbFile,
 byte[] vectorIndex)
                                   throws IOException

Throws:

IOException

newWithBuffer

public static Searcher newWithBuffer(Version version,
 LongByteArray cBuff)
                              throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException

getIPVersion

public Version getIPVersion()

getIOCount

public int getIOCount()

search

public String search(String ipStr)
              throws Exception

Throws:

Exception

search

public String search(byte[] ip)
              throws IOException,
InetAddressException

Throws:

IOException

InetAddressException

read

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

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

loadHeader

public static Header loadHeader(RandomAccessFile handle)
                         throws IOException

Throws:

IOException

loadHeaderFromFile

public static Header loadHeaderFromFile(File xdbFile)
                                 throws IOException

Throws:

IOException

loadHeaderFromFile

public static Header loadHeaderFromFile(String xdbPath)
                                 throws IOException

Throws:

IOException

loadHeaderFromBuffer

public static Header loadHeaderFromBuffer(LongByteArray cBuffer)
                                   throws IOException

Throws:

IOException

loadVectorIndex

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

Throws:

IOException

loadVectorIndexFromFile

public static byte[] loadVectorIndexFromFile(File xdbFile)
                                      throws IOException

Throws:

IOException

loadVectorIndexFromFile

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

Throws:

IOException

loadVectorIndexFromBuffer

public static byte[] loadVectorIndexFromBuffer(LongByteArray cBuffer)
                                        throws IOException

Throws:

IOException

loadContent

public static LongByteArray loadContent(RandomAccessFile handle)
                                 throws IOException

Throws:

IOException

loadContentFromFile

public static LongByteArray loadContentFromFile(File xdbFile)
                                         throws IOException

Throws:

IOException

loadContentFromFile

public static LongByteArray loadContentFromFile(String xdbPath)
                                         throws IOException

Throws:

IOException

loadContentFromInputStream

public static LongByteArray loadContentFromInputStream(InputStream is)
                                                throws IOException

Throws:

IOException

verify

public static void verify(Header header,
 long fileBytes)
                   throws IOException,
XdbException

Throws:

IOException

XdbException

verify

public static void verify(RandomAccessFile handle)
                   throws IOException,
XdbException

Throws:

IOException

XdbException

verifyFromFile

public static void verifyFromFile(File xdbFile)
                           throws IOException,
XdbException

Throws:

IOException

XdbException

verifyFromFile

public static void verifyFromFile(String xdbPath)
                           throws IOException,
XdbException

Throws:

IOException

XdbException