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/
TESTE PARA IMPRIMIR
/
nfe
/
util
/
ObjetoUtil.java
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package
nfe.util
;
import
java.util.Collection
;
public
final
class
ObjetoUtil
{
private
ObjetoUtil
(
)
{
super
(
)
;
}
public
static
Boolean
equalsNull
(
Object
object
)
{
return
object ==
null
;
}
public
static
Boolean
differentNull
(
Object
object
)
{
return
object
!
=
null
;
}
/**
* Verifica se um objeto é vazio.
*
* @param obj
* @return <b>true</b> se o objeto for vazio(empty).
*/
public
static
boolean
isEmpty
(
Object
obj
)
{
if
(
obj ==
null
)
return
true
;
if
(
obj
instanceof
Collection
)
return
(
(
Collection
<?>
)
obj
)
.
size
(
)
==
0
;
final
String
s =
String
.
valueOf
(
obj
)
.
trim
(
)
;
return
s.
length
(
)
==
0
|| s.
equalsIgnoreCase
(
"null"
)
;
}
@
SuppressWarnings
(
"rawtypes"
)
public
static
Boolean
equalsNull
(
Collection
collection
)
{
return
collection ==
null
;
}
@
SuppressWarnings
(
"rawtypes"
)
public
static
Boolean
differentNull
(
Collection
collection
)
{
return
collection
!
=
null
;
}
@
SuppressWarnings
(
"rawtypes"
)
public
static
Boolean
isEmpty
(
Collection
collection
)
{
return
collection.
isEmpty
(
)
;
}
@
SuppressWarnings
(
"rawtypes"
)
public
static
Boolean
isNotEmpty
(
Collection
collection
)
{
return
!
collection.
isEmpty
(
)
;
}
}