Module datarush.library

Package com.pervasive.datarush.operators.io.mdf

Class MDFUtil

java.lang.Object

com.pervasive.datarush.operators.io.mdf.MDFUtil

public class MDFUtil
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MDFUtil.MDFVersion

Field Summary

Fields

Modifier and Type	Field	Description
static String	CHARSET_ISO8859
static String	CHARSET_UTF8
static long	epoch1984
static long	MAX_UINT64

Constructor Summary

Constructors

Constructor	Description
MDFUtil()

Method Summary

Modifier and Type	Method	Description
static Number	applyFormula(String formula, Number value)
static com.pervasive.datarush.operators.io.mdf.internal.MDF<?>	getMDFFileWrapper(MDFUtil.MDFVersion version, FileClient fileClient, ByteSource source)
static String	readChars(ByteBuffer buffer, int length, String charset)
static String	readCharsUTF16(ByteBuffer buffer, int length, boolean littleEndian)
static short	readInt16(ByteBuffer buffer)
static int	readInt32(ByteBuffer buffer)
static long	readInt64(ByteBuffer buffer)
static long	readLink(ByteBuffer buffer)
static long	readPartValue(long bitOffset, long bitSize, ByteBuffer buffer)
static double	readReal(ByteBuffer buffer)
static int	readUInt16(ByteBuffer buffer)
static long	readUInt32(ByteBuffer buffer)
static long	readUInt64(ByteBuffer buffer)
static byte	readUInt8(ByteBuffer buffer)
static long	readValue(int bitOffset, int bitSize, ByteBuffer buffer)

Methods inherited from class java.lang.Object

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

Field Detail

epoch1984

public static final long epoch1984

See Also:

Constant Field Values

CHARSET_ISO8859

public static final String CHARSET_ISO8859

See Also:

Constant Field Values

CHARSET_UTF8

public static final String CHARSET_UTF8

See Also:

Constant Field Values

MAX_UINT64

public static final long MAX_UINT64

See Also:

Constant Field Values

Constructor Detail

MDFUtil

public MDFUtil()

Method Detail

getMDFFileWrapper

public static com.pervasive.datarush.operators.io.mdf.internal.MDF<?> getMDFFileWrapper(MDFUtil.MDFVersion version,
                                                                                        FileClient fileClient,
                                                                                        ByteSource source)
                                                                                 throws IOException

Throws:

IOException

readUInt8

public static byte readUInt8(ByteBuffer buffer)

readUInt16

public static int readUInt16(ByteBuffer buffer)

readInt16

public static short readInt16(ByteBuffer buffer)

readUInt32

public static long readUInt32(ByteBuffer buffer)

readInt32

public static int readInt32(ByteBuffer buffer)

readUInt64

public static long readUInt64(ByteBuffer buffer)

readInt64

public static long readInt64(ByteBuffer buffer)

readReal

public static double readReal(ByteBuffer buffer)

readLink

public static long readLink(ByteBuffer buffer)

readChars

public static String readChars(ByteBuffer buffer,
                               int length,
                               String charset)
                        throws IOException

Throws:

IOException

readCharsUTF16

public static String readCharsUTF16(ByteBuffer buffer,
                                    int length,
                                    boolean littleEndian)
                             throws IOException

Throws:

IOException

readValue

public static long readValue(int bitOffset,
                             int bitSize,
                             ByteBuffer buffer)

readPartValue

public static long readPartValue(long bitOffset,
                                 long bitSize,
                                 ByteBuffer buffer)

applyFormula

public static Number applyFormula(String formula,
                                  Number value)
                           throws com.pervasive.datarush.expression.ParseException

Throws:

com.pervasive.datarush.expression.ParseException