com.github.javaparser.utils

Class Utils

java.lang.Object

com.github.javaparser.utils.Utils

public class Utils
extends Object

Any kind of utility.

Author:

Federico Tomassetti

Field Summary

Fields

Modifier and Type	Field and Description
static String	EOL
static Predicate<String>	STRING_NOT_EMPTY

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static <T> List<T>	arrayToList(T[] array) Deprecated. This is no longer in use by JavaParser, please write your own replacement.
static String	assertNonEmpty(String string)
static <T extends Number> T	assertNonNegative(T number)
static <T> T	assertNotNull(T o)
static <T extends Number> T	assertPositive(T number)
static String	camelCaseToScreaming(String input)
static String	capitalize(String s) Capitalizes the first character in the string.
static String	decapitalize(String s) Lower-cases the first character in the string.
static <T> List<T>	ensureNotNull(List<T> list) Deprecated. This is no longer in use by JavaParser, please write your own replacement.
static String	escapeEndOfLines(String string)
static StringBuilder	indent(StringBuilder builder, int indentLevel) Make an indent by appending indentLevel tab characters to the builder.
static <E> boolean	isNullOrEmpty(Collection<E> collection)
static String	nextWord(String string) Return the next word of the string, in other words it stops when a space is encountered.
static String	normalizeEolInTextBlock(String content, String endOfLineCharacter)
static String	readerToString(Reader reader)
static String	removeFileExtension(String filename)
static String	screamingToCamelCase(String original) Transform a string to the camel case conversion.
static <T> Set<T>	set(T... items)
static String	toCamelCase(String original) Deprecated. use screamingToCamelCase
static String	trimTrailingSpaces(String line) Like String.trim(), but only the trailing spaces.
static boolean	valueIsNullOrEmpty(Object value)

Methods inherited from class java.lang.Object

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

Field Detail

EOL

public static final String EOL

STRING_NOT_EMPTY

public static final Predicate<String> STRING_NOT_EMPTY

Constructor Detail

Utils

public Utils()

Method Detail

ensureNotNull

public static <T> List<T> ensureNotNull(List<T> list)

Deprecated. This is no longer in use by JavaParser, please write your own replacement.

isNullOrEmpty

public static <E> boolean isNullOrEmpty(Collection<E> collection)

assertNotNull

public static <T> T assertNotNull(T o)

assertNonEmpty

public static String assertNonEmpty(String string)

assertNonNegative

public static <T extends Number> T assertNonNegative(T number)

assertPositive

public static <T extends Number> T assertPositive(T number)

escapeEndOfLines

public static String escapeEndOfLines(String string)

Returns:

string with ASCII characters 10 and 13 replaced by the text "\n" and "\r".

readerToString

public static String readerToString(Reader reader)
                             throws IOException

Throws:

IOException

arrayToList

@Deprecated
public static <T> List<T> arrayToList(T[] array)

Deprecated. This is no longer in use by JavaParser, please write your own replacement.

Puts varargs in a mutable list. This does not have the disadvantage of Arrays#asList that it has a static size.

toCamelCase

public static String toCamelCase(String original)

Deprecated. use screamingToCamelCase

screamingToCamelCase

public static String screamingToCamelCase(String original)

Transform a string to the camel case conversion.

For example "ABC_DEF" becomes "abcDef"

camelCaseToScreaming

public static String camelCaseToScreaming(String input)

Parameters:

input - "aCamelCaseString"

Returns:

"A_CAMEL_CASE_STRING"

nextWord

public static String nextWord(String string)

Return the next word of the string, in other words it stops when a space is encountered.

indent

public static StringBuilder indent(StringBuilder builder,
                                   int indentLevel)

Make an indent by appending indentLevel tab characters to the builder.

capitalize

public static String capitalize(String s)

Capitalizes the first character in the string.

decapitalize

public static String decapitalize(String s)

Lower-cases the first character in the string.

valueIsNullOrEmpty

public static boolean valueIsNullOrEmpty(Object value)

Returns:

true if the value is null, an empty Optional, or an empty String.

set

public static <T> Set<T> set(T... items)

Returns:

a set of the items.

normalizeEolInTextBlock

public static String normalizeEolInTextBlock(String content,
                                             String endOfLineCharacter)

Returns:

content with all kinds of EOL characters replaced by endOfLineCharacter

removeFileExtension

public static String removeFileExtension(String filename)

Returns:

the filename with the last "." and everything following it removed.

trimTrailingSpaces

public static String trimTrailingSpaces(String line)

Like String.trim(), but only the trailing spaces.