Class UConverterAliasDataReader

java.lang.Object

com.ibm.icu.charset.UConverterAliasDataReader

All Implemented Interfaces:

ICUBinary.Authenticate

final class UConverterAliasDataReader
extends Object
implements ICUBinary.Authenticate

Field Summary

Fields

Modifier and Type	Field	Description
private ByteBuffer	byteBuffer	ICU data file buffer
private static final int	DATA_FORMAT_ID	File format version that this class understands.
private static final byte[]	DATA_FORMAT_VERSION

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	UConverterAliasDataReader(ByteBuffer bytes)	Protected constructor.

Method Summary

Modifier and Type	Method	Description
boolean	isDataVersionAcceptable(byte[] version)	Method used in ICUBinary.readHeader() to provide data format authentication.
protected int[]	readToc(int n)

Methods inherited from class Object

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

Field Details

byteBuffer

private ByteBuffer byteBuffer

ICU data file buffer

DATA_FORMAT_ID

private static final int DATA_FORMAT_ID

File format version that this class understands. No guarantees are made if a older version is used see store.c of gennorm for more information and values

See Also:

• Constant Field Values

DATA_FORMAT_VERSION

private static final byte[] DATA_FORMAT_VERSION

Constructor Details

UConverterAliasDataReader

protected UConverterAliasDataReader(ByteBuffer bytes)
                             throws IOException

Protected constructor.

Parameters:

bytes - ICU uprop.dat file buffer

Throws:

IOException - throw if data file fails authentication

Method Details

readToc

protected int[] readToc(int n)
                 throws IOException

Throws:

IOException

isDataVersionAcceptable

public boolean isDataVersionAcceptable(byte[] version)

Description copied from interface: ICUBinary.Authenticate

Method used in ICUBinary.readHeader() to provide data format authentication.

Specified by:

isDataVersionAcceptable in interface ICUBinary.Authenticate

Parameters:

version - version of the current data

Returns:

true if dataformat is an acceptable version, false otherwise