Module org.apache.jena.base

Package org.apache.jena.atlas.lib

Class StrUtils

java.lang.Object

org.apache.jena.atlas.lib.StrUtils

public class StrUtils
extends Object

Some functions that act on strings

Field Summary

Fields

Modifier and Type	Field	Description
static final int	CMP_EQUAL
static final int	CMP_GREATER
static final int	CMP_INDETERMINATE
static final int	CMP_LESS
static final int	CMP_UNEQUAL

Method Summary

Modifier and Type	Method	Description
static byte[]	asUTF8bytes(String s)
static String	chop(String x)
static final boolean	contains(String str1, String str2)	Does one string contain another string?
static String	decodeHex(String str, char marker)	Decode a string using marked hex values e.g.
static String	encodeHex(String str, char marker, char[] escapees)	Encode a string using hex values e.g.
static String	escapeString(String x)
static String	fromUTF8bytes(byte[] bytes)
static String	noNewlineEnding(String x)
static final String	replace(String string, String target, String replacement)
static String[]	split(String s, String splitStr)	Split but also trim whiespace.
static String	str(Object x)
static int	strCompare(String s1, String s2)
static int	strCompareIgnoreCase(String s1, String s2)
static boolean	strEndsWithIgnoreCase(String str, String suffix)
static String	strform(Map<String,String> subs, String... args)
static <X> String	strjoin(List<X> args, String sep)	Concatenate stringified objects, using a separator.
static String	strjoinNL(String... args)	strjoin with a newline as the separator
static String	strjoinNL(List<String> args)	strjoin with a newline as the separator
static boolean	strStartsWithIgnoreCase(String str, String prefix)
static String	substitute(String str, Map<String,String> subs)
static List<Character>	toCharList(String str)
static String	unescapeString(String x)

Methods inherited from class java.lang.Object

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

Field Details

CMP_GREATER

public static final int CMP_GREATER

See Also:

• Constant Field Values

CMP_EQUAL

public static final int CMP_EQUAL

See Also:

• Constant Field Values

CMP_LESS

public static final int CMP_LESS

See Also:

• Constant Field Values

CMP_UNEQUAL

public static final int CMP_UNEQUAL

See Also:

• Constant Field Values

CMP_INDETERMINATE

public static final int CMP_INDETERMINATE

See Also:

• Constant Field Values

Method Details

strjoinNL

public static String strjoinNL(String... args)

strjoin with a newline as the separator

strjoinNL

public static String strjoinNL(List<String> args)

strjoin with a newline as the separator

strjoin

public static <X> String strjoin(List<X> args,
 String sep)

Concatenate stringified objects, using a separator.

strCompare

public static int strCompare(String s1,
 String s2)

strCompareIgnoreCase

public static int strCompareIgnoreCase(String s1,
 String s2)

strStartsWithIgnoreCase

public static boolean strStartsWithIgnoreCase(String str,
 String prefix)

strEndsWithIgnoreCase

public static boolean strEndsWithIgnoreCase(String str,
 String suffix)

asUTF8bytes

public static byte[] asUTF8bytes(String s)

fromUTF8bytes

public static String fromUTF8bytes(byte[] bytes)

str

public static String str(Object x)

Parameters:

x -

Returns:

<null> if x == null, otherwise, x.toString()

split

public static String[] split(String s,
 String splitStr)

Split but also trim whiespace.

contains

public static final boolean contains(String str1,
 String str2)

Does one string contain another string?

Parameters:

str1 -

str2 -

Returns:

true if str1 contains str2

replace

public static final String replace(String string,
 String target,
 String replacement)

substitute

public static String substitute(String str,
 Map<String,String> subs)

strform

public static String strform(Map<String,String> subs,
 String... args)

chop

public static String chop(String x)

noNewlineEnding

public static String noNewlineEnding(String x)

toCharList

public static List<Character> toCharList(String str)

encodeHex

public static String encodeHex(String str,
 char marker,
 char[] escapees)

Encode a string using hex values e.g. %20. Encoding only deals with single byte codepoints.

Parameters:

str - String to encode

marker - Marker character

escapees - Characters to encode (must include the marker)

Returns:

Encoded string (returns input object if no change)

decodeHex

public static String decodeHex(String str,
 char marker)

Decode a string using marked hex values e.g. %20. Multi-byte UTF-8 codepoints are handled.

Parameters:

str - String to decode.

marker - The marker character

Returns:

Decoded string (returns input object if no change)

escapeString

public static String escapeString(String x)

unescapeString

public static String unescapeString(String x)