Class IDNA2003

java.lang.Object

com.ibm.icu.impl.IDNA2003

public final class IDNA2003
extends Object

IDNA2003 implementation code, moved out of com.ibm.icu.text.IDNA.java while extending that class to support IDNA2008/UTS #46 as well.

Field Summary

Fields

Modifier and Type	Field	Description
private static char[]	ACE_PREFIX
private static final int	CAPITAL_A
private static final int	CAPITAL_Z
private static final int	FULL_STOP
private static final int	HYPHEN
private static final int	LOWER_CASE_DELTA
private static final int	MAX_DOMAIN_NAME_LENGTH
private static final int	MAX_LABEL_LENGTH
private static final StringPrep	namePrep

Constructor Summary

Constructors

Constructor	Description
IDNA2003()

Method Summary

Modifier and Type	Method	Description
static int	compare(String s1, String s2, int options)
private static int	compareCaseInsensitiveASCII(StringBuffer s1, StringBuffer s2)
static StringBuffer	convertIDNToASCII(String src, int options)
static StringBuffer	convertIDNToUnicode(String src, int options)
static StringBuffer	convertToASCII(UCharacterIterator src, int options)
static StringBuffer	convertToUnicode(UCharacterIterator src, int options)
private static int	getSeparatorIndex(char[] src, int start, int limit)
private static boolean	isLabelSeparator(int ch)	Ascertain if the given code point is a label separator as defined by the IDNA RFC
private static boolean	isLDHChar(int ch)
private static boolean	startsWithPrefix(StringBuffer src)
private static char	toASCIILower(char ch)
private static StringBuffer	toASCIILower(CharSequence src)

Methods inherited from class Object

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

Field Details

ACE_PREFIX

private static char[] ACE_PREFIX

MAX_LABEL_LENGTH

private static final int MAX_LABEL_LENGTH

See Also:

• Constant Field Values

HYPHEN

private static final int HYPHEN

See Also:

• Constant Field Values

CAPITAL_A

private static final int CAPITAL_A

See Also:

• Constant Field Values

CAPITAL_Z

private static final int CAPITAL_Z

See Also:

• Constant Field Values

LOWER_CASE_DELTA

private static final int LOWER_CASE_DELTA

See Also:

• Constant Field Values

FULL_STOP

private static final int FULL_STOP

See Also:

• Constant Field Values

MAX_DOMAIN_NAME_LENGTH

private static final int MAX_DOMAIN_NAME_LENGTH

See Also:

• Constant Field Values

namePrep

private static final StringPrep namePrep

Constructor Details

IDNA2003

public IDNA2003()

Method Details

startsWithPrefix

private static boolean startsWithPrefix(StringBuffer src)

toASCIILower

private static char toASCIILower(char ch)

toASCIILower

private static StringBuffer toASCIILower(CharSequence src)

compareCaseInsensitiveASCII

private static int compareCaseInsensitiveASCII(StringBuffer s1,
 StringBuffer s2)

getSeparatorIndex

private static int getSeparatorIndex(char[] src,
 int start,
 int limit)

isLDHChar

private static boolean isLDHChar(int ch)

isLabelSeparator

private static boolean isLabelSeparator(int ch)

Ascertain if the given code point is a label separator as defined by the IDNA RFC

Parameters:

ch - The code point to be ascertained

Returns:

true if the char is a label separator

convertToASCII

public static StringBuffer convertToASCII(UCharacterIterator src,
 int options)
                                   throws StringPrepParseException

Throws:

StringPrepParseException

convertIDNToASCII

public static StringBuffer convertIDNToASCII(String src,
 int options)
                                      throws StringPrepParseException

Throws:

StringPrepParseException

convertToUnicode

public static StringBuffer convertToUnicode(UCharacterIterator src,
 int options)
                                     throws StringPrepParseException

Throws:

StringPrepParseException

convertIDNToUnicode

public static StringBuffer convertIDNToUnicode(String src,
 int options)
                                        throws StringPrepParseException

Throws:

StringPrepParseException

compare

public static int compare(String s1,
 String s2,
 int options)
                   throws StringPrepParseException

Throws:

StringPrepParseException