sugar4j.lang
Class Lang

java.lang.Object
  sugar4j.lang.Lang

public class Lang
extends Object

Extension methods for all classes that reside in java.lang.

Version:

$Id: Lang.java,v 1.11 2008/02/12 00:44:52 krizzdewizz Exp $

Author:

krizzdewizz

Nested Class Summary

static interface

Lang.PairMethod Code to run for a pair.

Method Summary

static String	capitalize(String s) Converts the first character of s to uppercase.
static String	decorate(String s) Decorates s by appending it's last character.
static <T> Throwable	findThrowable(Throwable t, Class<T> throwableClass)
static <E> void	forEachPair(Iterable<E> iterable, Lang.PairMethod method) Runs the given method for every pair in the given iterator.
static <T> void	forEachPair(Object[] array, Lang.PairMethod method) Runs the given method for every pair in the given array.
static String	htmlColorize(String code) htmlColorize with "keyword" css-class and "comment" css-class.
static String	htmlColorize(String code, String cssKeywordSpanClass, String cssCommentSpanClass) Highlights all keywords/comments in code using the html 'span' tag.
static boolean	isSet(String s) Returns whether the given string is not null and not empty.
static <T> List<T>	list(List<?> list) Provides an unchecked but typed version of the given list.
static String	toIdentifier(String name) Returns a String suitable for use as a Java identifier.

Method Detail

forEachPair

public static <E> void forEachPair(Iterable<E> iterable,
                                   Lang.PairMethod method)

Runs the given method for every pair in the given iterator.

Type Parameters:

E - Element type of the iterator

Parameters:

iterable -

method -

forEachPair

public static <T> void forEachPair(Object[] array,
                                   Lang.PairMethod method)

Runs the given method for every pair in the given array.

Parameters:

array -

method -

capitalize

public static String capitalize(String s)

Converts the first character of s to uppercase.
Does nothing if s is empty.

Parameters:

s -

Returns:

String

decorate

public static String decorate(String s)

Decorates s by appending it's last character.
Does nothing if s is empty.

Parameters:

s -

Returns:

String

toIdentifier

public static String toIdentifier(String name)

Returns a String suitable for use as a Java identifier.

Parameters:

name -

Returns:

I.e. from customer-name to customerName

findThrowable

public static <T> Throwable findThrowable(Throwable t,
                                          Class<T> throwableClass)

htmlColorize

public static String htmlColorize(String code,
                                  String cssKeywordSpanClass,
                                  String cssCommentSpanClass)

Highlights all keywords/comments in code using the html 'span' tag. Every java keyword in code is enclosed within an 'span' tag. The result can be embedded in a html document. Known limitations: keywords in comments are also being highlighted, highlights only javadoc comments

Parameters:

code -

cssKeywordSpanClass - Css class name for the 'span' element to use for keywords

cssCommentSpanClass - Css class name for the 'span' element to use for comments

Returns:

html code

isSet

public static boolean isSet(String s)

Returns whether the given string is not null and not empty.

Parameters:

s -

Returns:

true if s is not null and not empty

htmlColorize

public static String htmlColorize(String code)

htmlColorize with "keyword" css-class and "comment" css-class.

Parameters:

code -

Returns:

html code

list

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

Provides an unchecked but typed version of the given list.
The list's content is not checked, so ClassCastException is likely to occur if the element's type do not match.

Parameters:

list -

Returns:

List