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体验新版 GitCode,发现更多精彩内容 >>
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e869a8b7
编写于
6月 26, 2019
作者:
E
escheduler
提交者:
GitHub
6月 26, 2019
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差异文件
Merge pull request #490 from blacklit/dev
add ip utils class
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bb4471c0
d83e0b63
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escheduler-common/src/main/java/cn/escheduler/common/utils/IpUtils.java
...mon/src/main/java/cn/escheduler/common/utils/IpUtils.java
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escheduler-common/src/main/java/cn/escheduler/common/utils/IpUtils.java
0 → 100644
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package
cn.escheduler.common.utils
;
import
org.slf4j.Logger
;
import
org.slf4j.LoggerFactory
;
/**
* http utils
*/
public
class
IpUtils
{
private
static
final
Logger
logger
=
LoggerFactory
.
getLogger
(
IpUtils
.
class
);
public
static
final
String
DOT
=
"."
;
/**
* ip str to long <p>
*
* @param ipStr ip string
*/
public
static
Long
ipToLong
(
String
ipStr
)
{
String
[]
ipSet
=
ipStr
.
split
(
"\\"
+
DOT
);
return
Long
.
parseLong
(
ipSet
[
0
])
<<
24
|
Long
.
parseLong
(
ipSet
[
1
])
<<
16
|
Long
.
parseLong
(
ipSet
[
2
])
<<
8
|
Long
.
parseLong
(
ipSet
[
3
]);
}
/**
* long to ip
* @param ipLong the long number converted from IP
* @return String
*/
public
static
String
longToIp
(
long
ipLong
)
{
long
[]
ipNumbers
=
new
long
[
4
];
long
tmp
=
0xFF
;
ipNumbers
[
0
]
=
ipLong
>>
24
&
tmp
;
ipNumbers
[
1
]
=
ipLong
>>
16
&
tmp
;
ipNumbers
[
2
]
=
ipLong
>>
8
&
tmp
;
ipNumbers
[
3
]
=
ipLong
&
tmp
;
StringBuilder
sb
=
new
StringBuilder
(
16
);
sb
.
append
(
ipNumbers
[
0
]).
append
(
DOT
)
.
append
(
ipNumbers
[
1
]).
append
(
DOT
)
.
append
(
ipNumbers
[
2
]).
append
(
DOT
)
.
append
(
ipNumbers
[
3
]);
return
sb
.
toString
();
}
public
static
void
main
(
String
[]
args
){
long
ipLong
=
ipToLong
(
"11.3.4.5"
);
logger
.
info
(
longToIp
(
ipLong
));
}
}
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