Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
kvdb
rocksdb
提交
c3915abb
R
rocksdb
项目概览
kvdb
/
rocksdb
12 个月 前同步成功
通知
0
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
DevOps
流水线
流水线任务
计划
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
R
rocksdb
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
DevOps
DevOps
流水线
流水线任务
计划
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
流水线任务
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
提交
c3915abb
编写于
11月 15, 2014
作者:
A
Adam Retter
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Minor tidyup and use Java 7 for file copying
上级
a122a42b
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
20 addition
and
27 deletion
+20
-27
java/org/rocksdb/NativeLibraryLoader.java
java/org/rocksdb/NativeLibraryLoader.java
+20
-27
未找到文件。
java/org/rocksdb/NativeLibraryLoader.java
浏览文件 @
c3915abb
package
org.rocksdb
;
import
java.io.*
;
import
java.nio.file.Files
;
import
java.nio.file.StandardCopyOption
;
import
org.rocksdb.util.Environment
;
/**
...
...
@@ -8,42 +11,32 @@ import org.rocksdb.util.Environment;
* The shared library is extracted to a temp folder and loaded from there.
*/
public
class
NativeLibraryLoader
{
private
static
String
sharedLibraryName
=
Environment
.
getJniLibraryName
(
"rocksdb"
);
private
static
String
tempFileSuffix
=
"."
+
Environment
.
getJniLibraryExtension
();
private
static
final
String
sharedLibraryName
=
Environment
.
getJniLibraryName
(
"rocksdb"
);
private
static
final
String
tempFilePrefix
=
"librocksdbjni"
;
private
static
final
String
tempFileSuffix
=
"."
+
Environment
.
getJniLibraryExtension
();
public
static
void
loadLibraryFromJar
(
String
tmpDir
)
public
static
void
loadLibraryFromJar
(
final
String
tmpDir
)
throws
IOException
{
File
temp
;
String
tempFilePrefix
=
"librocksdbjni"
;
if
(
tmpDir
==
null
||
tmpDir
.
equals
(
""
))
final
File
temp
;
if
(
tmpDir
==
null
||
tmpDir
.
equals
(
""
))
{
temp
=
File
.
createTempFile
(
tempFilePrefix
,
tempFileSuffix
);
else
temp
=
new
File
(
tmpDir
+
"/"
+
sharedLibraryName
);
temp
.
deleteOnExit
();
}
else
{
temp
=
new
File
(
tmpDir
,
sharedLibraryName
);
}
if
(!
temp
.
exists
())
{
throw
new
RuntimeException
(
"File "
+
temp
.
getAbsolutePath
()
+
" does not exist."
);
}
else
{
temp
.
deleteOnExit
();
}
byte
[]
buffer
=
new
byte
[
102400
];
int
readBytes
;
InputStream
is
=
ClassLoader
.
getSystemClassLoader
().
getResourceAsStream
(
sharedLibraryName
);
if
(
is
==
null
)
{
throw
new
RuntimeException
(
sharedLibraryName
+
" was not found inside JAR."
);
}
OutputStream
os
=
null
;
try
{
os
=
new
FileOutputStream
(
temp
);
while
((
readBytes
=
is
.
read
(
buffer
))
!=
-
1
)
{
os
.
write
(
buffer
,
0
,
readBytes
);
// attempt to copy the library from the JAR to the temp destination
try
(
final
InputStream
is
=
ClassLoader
.
getSystemClassLoader
().
getResourceAsStream
(
sharedLibraryName
))
{
if
(
is
==
null
)
{
throw
new
RuntimeException
(
sharedLibraryName
+
" was not found inside JAR."
);
}
else
{
Files
.
copy
(
is
,
temp
.
toPath
(),
StandardCopyOption
.
REPLACE_EXISTING
);
}
}
finally
{
if
(
os
!=
null
)
os
.
close
();
is
.
close
();
}
System
.
load
(
temp
.
getAbsolutePath
());
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录