public class CommonUtils
extends java.lang.Object
构造器和说明 |
---|
CommonUtils() |
限定符和类型 | 方法和说明 |
---|---|
static boolean |
empty(java.io.File file) |
static boolean |
empty(java.lang.Number var) |
static boolean |
empty(java.lang.Object[] var) |
static boolean |
empty(java.lang.String var) |
static java.util.Date |
getDate() |
static java.util.Date |
getMinuteDate() |
static java.lang.String |
keep(java.lang.String var,
int length) |
static java.lang.String |
keep(java.lang.String var,
int length,
java.lang.String append) |
static <T,F> java.util.Map<F,T> |
listToMap(java.util.List<T> list,
java.util.function.Function<T,F> keyMapper) |
static <T,F> java.util.Map<F,T> |
listToMap(java.util.List<T> list,
java.util.function.Function<T,F> keyMapper,
java.util.function.Consumer<T> consumer,
java.util.function.Predicate<T> filter) |
static boolean |
notEmpty(java.util.Collection<?> var) |
static boolean |
notEmpty(java.io.File file) |
static boolean |
notEmpty(java.util.Map<?,?> var) |
static boolean |
notEmpty(java.lang.Number var) |
static boolean |
notEmpty(java.lang.Object[] var) |
static boolean |
notEmpty(java.lang.String var) |
static boolean |
notEmpty(java.lang.String[] var) |
public static <T,F> java.util.Map<F,T> listToMap(java.util.List<T> list, java.util.function.Function<T,F> keyMapper)
T
- F
- list
- keyMapper
- public static <T,F> java.util.Map<F,T> listToMap(java.util.List<T> list, java.util.function.Function<T,F> keyMapper, java.util.function.Consumer<T> consumer, java.util.function.Predicate<T> filter)
T
- F
- list
- keyMapper
- consumer
- filter
- public static java.lang.String keep(java.lang.String var, int length)
var
- length
- public static java.lang.String keep(java.lang.String var, int length, java.lang.String append)
var
- length
- append
- public static java.util.Date getDate()
public static java.util.Date getMinuteDate()
public static boolean notEmpty(java.lang.String var)
var
- public static boolean empty(java.lang.String var)
var
- public static boolean notEmpty(java.lang.Number var)
var
- public static boolean empty(java.lang.Number var)
var
- public static boolean notEmpty(java.util.Collection<?> var)
var
- public static boolean notEmpty(java.util.Map<?,?> var)
var
- public static boolean notEmpty(java.io.File file)
file
- public static boolean empty(java.io.File file)
file
- public static boolean notEmpty(java.lang.String[] var)
var
- public static boolean notEmpty(java.lang.Object[] var)
var
- public static boolean empty(java.lang.Object[] var)
var
-