org.openrdf.util.xml
Class XmlUtil

java.lang.Object
  org.openrdf.util.xml.XmlUtil

public class XmlUtil

extends Object

Constructor Summary

XmlUtil()

Method Summary

static String	escapeCharacterData(String text) Escapes any special characters in the supplied text so that it can be included as character data in an XML document.
static String	escapeDoubleQuotedAttValue(String value) Escapes any special characters in the supplied value so that it can be used as an double-quoted attribute value in an XML document.
static String	escapeSingleQuotedAttValue(String value) Escapes any special characters in the supplied value so that it can be used as an single-quoted attribute value in an XML document.
static int	findSplitIndex(String uri) Tries to find a point in the supplied URI where this URI can be safely split into a namespace part and a local name.
static boolean	isCombiningChar(char c)
static boolean	isDigit(char c)
static boolean	isExtender(char c)
static boolean	isIdeographic(char c)
static boolean	isLetter(char c)
static boolean	isNCName(String name) Checks whether the supplied String is an NCName (Namespace Classified Name) as specified at http://www.w3.org/TR/REC-xml-names/#NT-NCName.
static boolean	isNCNameChar(char c)
static String	resolveEntities(String text) Replaces all XML character entities with the character they represent.
static String	resolveEntity(String entName) Resolves an entity reference or character reference to its value.

Methods inherited from class java.lang.Object

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

Constructor Detail

XmlUtil

public XmlUtil()

Method Detail

escapeCharacterData

public static String escapeCharacterData(String text)

Escapes any special characters in the supplied text so that it can be included as character data in an XML document. The characters that are escaped are &, <, > and carriage return (\r).

escapeDoubleQuotedAttValue

public static String escapeDoubleQuotedAttValue(String value)

Escapes any special characters in the supplied value so that it can be used as an double-quoted attribute value in an XML document. The characters that are escaped are &, <, >, tab (\t), carriage return (\r), line feed (\n) and ".

escapeSingleQuotedAttValue

public static String escapeSingleQuotedAttValue(String value)

Escapes any special characters in the supplied value so that it can be used as an single-quoted attribute value in an XML document. The characters that are escaped are &, <, >, tab (\t), carriage return (\r), line feed (\n) and '.

resolveEntities

public static String resolveEntities(String text)

Replaces all XML character entities with the character they represent.

resolveEntity

public static String resolveEntity(String entName)

Resolves an entity reference or character reference to its value.

Parameters:

entName - The 'name' of the reference. This is the string between & and ;, e.g. amp, quot, #65 or #x41.

Returns:

The value of the supplied reference, or the reference itself if it could not be resolved.

findSplitIndex

public static int findSplitIndex(String uri)

Tries to find a point in the supplied URI where this URI can be safely split into a namespace part and a local name. According to the XML specifications, a local name must start with a letter or underscore and can be followed by zero or more 'NCName' characters.

Parameters:

uri - The URI to split.

Returns:

The index of the first character of the local name, or -1 if the URI can not be split into a namespace and local name.

isNCName

public static final boolean isNCName(String name)

Checks whether the supplied String is an NCName (Namespace Classified Name) as specified at http://www.w3.org/TR/REC-xml-names/#NT-NCName.

isNCNameChar

public static final boolean isNCNameChar(char c)

isLetter

public static final boolean isLetter(char c)

isIdeographic

public static final boolean isIdeographic(char c)

isCombiningChar

public static final boolean isCombiningChar(char c)

isDigit

public static final boolean isDigit(char c)

isExtender

public static final boolean isExtender(char c)