Package org.aspectj.org.eclipse.jdt.internal.core.nd.util

Class CharArrayUtils

java.lang.Object

org.aspectj.org.eclipse.jdt.internal.core.nd.util.CharArrayUtils

public class CharArrayUtils
extends Object

A static utility class for char arrays.

Field Summary

Fields

Modifier and Type	Field	Description
static final char[]	EMPTY
static final char[][]	EMPTY_ARRAY_OF_CHAR_ARRAYS
static final char[]	EMPTY_CHAR_ARRAY

Method Summary

Modifier and Type	Method	Description
static final int	compare(char[] str1, char[] str2)	Implements a lexicographical comparator for char arrays.
static char[]	concat(char[]... toCatenate)	Answers a new array which is the concatenation of all the given arrays.
static final char[]	concat(char[] first, char[] second)
static final char[]	concat(char[] first, char[] second, char[] third)
static final char[]	concat(char[] first, char[] second, char[] third, char[] fourth)
static boolean	endsWith(char[] fieldDescriptor, char c)
static final boolean	equals(char[][] strarr1, char[][] strarr2)
static final boolean	equals(char[] str1, char[] str2)
static final boolean	equals(char[] str1, int start1, int length1, char[] str2)	Returns true if the contents of a section of a character array are the same as contents of another character array.
static final boolean	equals(char[] str1, int start1, int length1, char[] str2, boolean ignoreCase)
static final boolean	equals(char[] str1, int start1, int length1, String str2)	Returns true if the contents of a section of a character array are the same as contents of a string.
static final boolean	equals(char[] str1, String str2)	Returns true if the contents of a character array are the same as contents of a string.
static final char[]	extract(char[] str, int start, int length)
static char[]	extractChars(StringBuilder buf)	Converts a StringBuilder to a character array.
static final boolean	hasCharAt(char toLookFor, int position, char[] toSearch)	Returns true iff the given array contains the given char at the given position
static final int	hash(char[] str)
static final int	hash(char[] str, int start, int length)
static final int	indexOf(char[] toBeFound, char[] array)
static int	indexOf(char[] searchFor, char[][] searchIn)	Finds an array of chars in an array of arrays of chars.
static final int	indexOf(char toBeFound, char[] array)
static int	indexOf(char toBeFound, char[] buffer, int start, int end)
static final int	lastIndexOf(char[] toBeFound, char[] array)
static int	lastIndexOf(char[] toBeFound, char[] array, int fromIndex)
static int	lastIndexOf(char toBeFound, char[] array)
static int	lastIndexOf(char toBeFound, char[] array, int fromIndex)
static final char[]	lastSegment(char[] array, char[] separator)
static char[]	notNull(char[] contents)	If the given array is null, returns the empty array.
static void	overWrite(char[] buff, int i, char[] charImage)
static final char[]	replace(char[] array, char[] toBeReplaced, char[] replacementChars)
static boolean	startsWith(char[] fieldDescriptor, char c)
static final boolean	startsWith(char[] str1, String str2)	Returns true if a prefix of the character array is the same as contents of a string.
static final char[][]	subarray(char[][] array, int start, int end)
static char[]	subarray(char[] inputString, int index)
static final char[]	subarray(char[] array, int start, int end)
static final char[]	trim(char[] chars)

Methods inherited from class java.lang.Object

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

Field Details

EMPTY_CHAR_ARRAY

public static final char[] EMPTY_CHAR_ARRAY

Since:

5.4

EMPTY

public static final char[] EMPTY

EMPTY_ARRAY_OF_CHAR_ARRAYS

public static final char[][] EMPTY_ARRAY_OF_CHAR_ARRAYS

Since:

5.7

Method Details

hash

public static final int hash(char[] str,
 int start,
 int length)

hash

public static final int hash(char[] str)

equals

public static final boolean equals(char[] str1,
 char[] str2)

equals

public static final boolean equals(char[][] strarr1,
 char[][] strarr2)

equals

public static final boolean equals(char[] str1,
 String str2)

Returns true if the contents of a character array are the same as contents of a string.

Since:

5.4

hasCharAt

public static final boolean hasCharAt(char toLookFor,
 int position,
 char[] toSearch)

Returns true iff the given array contains the given char at the given position

equals

public static final boolean equals(char[] str1,
 int start1,
 int length1,
 String str2)

Returns true if the contents of a section of a character array are the same as contents of a string.

Since:

5.5

startsWith

public static final boolean startsWith(char[] str1,
 String str2)

Returns true if a prefix of the character array is the same as contents of a string.

Since:

5.4

compare

public static final int compare(char[] str1,
 char[] str2)

Implements a lexicographical comparator for char arrays. Comparison is done on a per char basis, not a code-point basis.

Parameters:

str1 - the first of the two char arrays to compare

str2 - the second of the two char arrays to compare

Returns:

0 if str1==str2, -1 if str1 < str2 and 1 if str1 > str2

equals

public static final boolean equals(char[] str1,
 int start1,
 int length1,
 char[] str2)

Returns true if the contents of a section of a character array are the same as contents of another character array.

equals

public static final boolean equals(char[] str1,
 int start1,
 int length1,
 char[] str2,
 boolean ignoreCase)

extract

public static final char[] extract(char[] str,
 int start,
 int length)

concat

public static final char[] concat(char[] first,
 char[] second)

concat

public static final char[] concat(char[] first,
 char[] second,
 char[] third)

concat

public static final char[] concat(char[] first,
 char[] second,
 char[] third,
 char[] fourth)

concat

public static char[] concat(char[]... toCatenate)

Answers a new array which is the concatenation of all the given arrays.

Since:

3.12

replace

public static final char[] replace(char[] array,
 char[] toBeReplaced,
 char[] replacementChars)

subarray

public static final char[][] subarray(char[][] array,
 int start,
 int end)

subarray

public static final char[] subarray(char[] array,
 int start,
 int end)

indexOf

public static final int indexOf(char toBeFound,
 char[] array)

indexOf

public static int indexOf(char toBeFound,
 char[] buffer,
 int start,
 int end)

indexOf

public static final int indexOf(char[] toBeFound,
 char[] array)

lastIndexOf

public static final int lastIndexOf(char[] toBeFound,
 char[] array)

lastIndexOf

public static int lastIndexOf(char toBeFound,
 char[] array)

Since:

5.11

lastIndexOf

public static int lastIndexOf(char toBeFound,
 char[] array,
 int fromIndex)

Since:

5.11

lastIndexOf

public static int lastIndexOf(char[] toBeFound,
 char[] array,
 int fromIndex)

Since:

5.11

trim

public static final char[] trim(char[] chars)

lastSegment

public static final char[] lastSegment(char[] array,
 char[] separator)

overWrite

public static void overWrite(char[] buff,
 int i,
 char[] charImage)

indexOf

public static int indexOf(char[] searchFor,
 char[][] searchIn)

Finds an array of chars in an array of arrays of chars.

Returns:

offset where the array was found or -1

extractChars

public static char[] extractChars(StringBuilder buf)

Converts a StringBuilder to a character array.

Since:

5.5

subarray

public static char[] subarray(char[] inputString,
 int index)

startsWith

public static boolean startsWith(char[] fieldDescriptor,
 char c)

notNull

public static char[] notNull(char[] contents)

If the given array is null, returns the empty array. Otherwise, returns the argument.

endsWith

public static boolean endsWith(char[] fieldDescriptor,
 char c)