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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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da59b4da
编写于
7月 14, 2016
作者:
J
Juergen Hoeller
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差异文件
CronSequenceGenerator prevents stack overflow in case of inverted range
Issue: SPR-14462 (cherry picked from commit
e431624e
)
上级
0065a160
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
26 addition
and
0 deletion
+26
-0
spring-context/src/main/java/org/springframework/scheduling/support/CronSequenceGenerator.java
...ngframework/scheduling/support/CronSequenceGenerator.java
+6
-0
spring-context/src/test/java/org/springframework/scheduling/support/CronSequenceGeneratorTests.java
...mework/scheduling/support/CronSequenceGeneratorTests.java
+20
-0
未找到文件。
spring-context/src/main/java/org/springframework/scheduling/support/CronSequenceGenerator.java
浏览文件 @
da59b4da
...
...
@@ -95,6 +95,7 @@ public class CronSequenceGenerator {
parse
(
expression
);
}
/**
* Return the cron pattern that this sequence generator has been built for.
*/
...
...
@@ -378,6 +379,10 @@ public class CronSequenceGenerator {
throw
new
IllegalArgumentException
(
"Range less than minimum ("
+
min
+
"): '"
+
field
+
"' in expression \""
+
this
.
expression
+
"\""
);
}
if
(
result
[
0
]
>
result
[
1
])
{
throw
new
IllegalArgumentException
(
"Invalid inverted range: '"
+
field
+
"' in expression \""
+
this
.
expression
+
"\""
);
}
return
result
;
}
...
...
@@ -388,6 +393,7 @@ public class CronSequenceGenerator {
* fields separated by single spaces.
* @param expression the expression to evaluate
* @return {@code true} if the given expression is a valid cron expression
* @since 4.3
*/
public
static
boolean
isValidExpression
(
String
expression
)
{
String
[]
fields
=
StringUtils
.
tokenizeToStringArray
(
expression
,
" "
);
...
...
spring-context/src/test/java/org/springframework/scheduling/support/CronSequenceGeneratorTests.java
浏览文件 @
da59b4da
...
...
@@ -56,6 +56,26 @@ public class CronSequenceGeneratorTests {
new
CronSequenceGenerator
(
"*/-1 * * * * *"
).
next
(
new
Date
(
2012
,
6
,
1
,
9
,
0
));
}
@Test
(
expected
=
IllegalArgumentException
.
class
)
public
void
withInvertedMinuteRange
()
{
new
CronSequenceGenerator
(
"* 6-5 * * * *"
).
next
(
new
Date
(
2012
,
6
,
1
,
9
,
0
));
}
@Test
(
expected
=
IllegalArgumentException
.
class
)
public
void
withInvertedHourRange
()
{
new
CronSequenceGenerator
(
"* * 6-5 * * *"
).
next
(
new
Date
(
2012
,
6
,
1
,
9
,
0
));
}
@Test
public
void
withSameMinuteRange
()
{
new
CronSequenceGenerator
(
"* 6-6 * * * *"
).
next
(
new
Date
(
2012
,
6
,
1
,
9
,
0
));
}
@Test
public
void
withSameHourRange
()
{
new
CronSequenceGenerator
(
"* * 6-6 * * *"
).
next
(
new
Date
(
2012
,
6
,
1
,
9
,
0
));
}
@Test
public
void
validExpression
()
{
assertTrue
(
CronSequenceGenerator
.
isValidExpression
(
"0 */2 1-4 * * *"
));
...
...
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