org.openrdf.rio.turtle
Class TurtleUtil

java.lang.Object
  org.openrdf.rio.turtle.TurtleUtil

public class TurtleUtil
extends Object

Utility methods for Turtle encoding/decoding.

Constructor Summary

TurtleUtil()

Method Summary

static String	decodeString(String s) Decodes an encoded Turtle string.
static String	encodeLongString(String s) Encodes the supplied string for inclusion as a long string in a Turtle document.
static String	encodeString(String s) Encodes the supplied string for inclusion as a 'normal' string in a Turtle document.
static String	encodeURIString(String s) Encodes the supplied string for inclusion as a (relative) URI in a Turtle document.
static int	findURISplitIndex(String uri) Tries to find an index where the suppied URI can be split into a namespace and a local name that comply with the serialization constraints of the Turtle format.
static boolean	isLanguageChar(int c)
static boolean	isLanguageStartChar(int c)
static boolean	isLegalName(String name)
static boolean	isLegalPrefix(String prefix)
static boolean	isNameChar(int c)
static boolean	isNameStartChar(int c)
static boolean	isPrefixChar(int c)
static boolean	isPrefixStartChar(int c)
static boolean	isWhitespace(int c)

Methods inherited from class java.lang.Object

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

Constructor Detail

TurtleUtil

public TurtleUtil()

Method Detail

findURISplitIndex

public static int findURISplitIndex(String uri)

Tries to find an index where the suppied URI can be split into a namespace and a local name that comply with the serialization constraints of the Turtle format. Specifically, the local name should adhere to Turtle's name production rule.

Parameters:

uri - The URI to split.

Returns:

The index where the supplied URI can be split, or -1 if the URI cannot be split.

isWhitespace

public static boolean isWhitespace(int c)

isPrefixStartChar

public static boolean isPrefixStartChar(int c)

isNameStartChar

public static boolean isNameStartChar(int c)

isNameChar

public static boolean isNameChar(int c)

isPrefixChar

public static boolean isPrefixChar(int c)

isLanguageStartChar

public static boolean isLanguageStartChar(int c)

isLanguageChar

public static boolean isLanguageChar(int c)

isLegalPrefix

public static boolean isLegalPrefix(String prefix)

isLegalName

public static boolean isLegalName(String name)

encodeString

public static String encodeString(String s)

Encodes the supplied string for inclusion as a 'normal' string in a Turtle document.

encodeLongString

public static String encodeLongString(String s)

Encodes the supplied string for inclusion as a long string in a Turtle document.

encodeURIString

public static String encodeURIString(String s)

Encodes the supplied string for inclusion as a (relative) URI in a Turtle document.

decodeString

public static String decodeString(String s)

Decodes an encoded Turtle string. Any \-escape sequences are substituted with their decoded value.

Parameters:

s - An encoded Turtle string.

Returns:

The unencoded string.

Throws:

IllegalArgumentException - If the supplied string is not a correctly encoded Turtle string.