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package
com
.
cj
.
ScreenShotUtil
;
import
java
.
io
.
BufferedReader
;
import
java
.
io
.
DataOutputStream
;
import
java
.
io
.
IOException
;
import
java
.
io
.
InputStreamReader
;
import
java
.
util
.
List
;
/**
* ShellUtils
* <ul>
* <strong>Check root</strong>
* <li>{@link ShellUtils#checkRootPermission()}</li>
* </ul>
* <ul>
* <strong>Execte command</strong>
* <li>{@link ShellUtils#execCommand(String, boolean)}</li>
* <li>{@link ShellUtils#execCommand(String, boolean, boolean)}</li>
* <li>{@link ShellUtils#execCommand(List, boolean)}</li>
* <li>{@link ShellUtils#execCommand(List, boolean, boolean)}</li>
* <li>{@link ShellUtils#execCommand(String[], boolean)}</li>
* <li>{@link ShellUtils#execCommand(String[], boolean, boolean)}</li>
* </ul>
*
* @author <a href="http://www.trinea.cn" target="_blank">Trinea</a> 2013-5-16
*/
public
class
ShellUtils
{
public
static
final
String
COMMAND_SU
=
"su"
;
public
static
final
String
COMMAND_SH
=
"sh"
;
public
static
final
String
COMMAND_EXIT
=
"exit
\n
"
;
public
static
final
String
COMMAND_LINE_END
=
"
\n
"
;
/**
* check whether has root permission
*
* @return
*/
public
static
boolean
checkRootPermission
() {
return
execCommand
(
"echo root"
,
true
,
false
).
result
==
0
;
}
/**
* execute shell command, default return result msg
*
* @param command command
* @param isRoot whether need to run with root
* @return
* @see ShellUtils#execCommand(String[], boolean, boolean)
*/
public
static
CommandResult
execCommand
(
String
command
,
boolean
isRoot
) {
return
execCommand
(
new
String
[] {
command
},
isRoot
,
true
);
}
/**
* execute shell commands, default return result msg
*
* @param commands command list
* @param isRoot whether need to run with root
* @return
* @see ShellUtils#execCommand(String[], boolean, boolean)
*/
public
static
CommandResult
execCommand
(
List
<
String
>
commands
,
boolean
isRoot
) {
return
execCommand
(
commands
==
null
?
null
:
commands
.
toArray
(
new
String
[] {}),
isRoot
,
true
);
}
/**
* execute shell commands, default return result msg
*
* @param commands command array
* @param isRoot whether need to run with root
* @return
* @see ShellUtils#execCommand(String[], boolean, boolean)
*/
public
static
CommandResult
execCommand
(
String
[]
commands
,
boolean
isRoot
) {
return
execCommand
(
commands
,
isRoot
,
true
);
}
/**
* execute shell command
*
* @param command command
* @param isRoot whether need to run with root
* @param isNeedResultMsg whether need result msg
* @return
* @see ShellUtils#execCommand(String[], boolean, boolean)
*/
public
static
CommandResult
execCommand
(
String
command
,
boolean
isRoot
,
boolean
isNeedResultMsg
) {
return
execCommand
(
new
String
[] {
command
},
isRoot
,
isNeedResultMsg
);
}
/**
* execute shell commands
*
* @param commands command list
* @param isRoot whether need to run with root
* @param isNeedResultMsg whether need result msg
* @return
* @see ShellUtils#execCommand(String[], boolean, boolean)
*/
public
static
CommandResult
execCommand
(
List
<
String
>
commands
,
boolean
isRoot
,
boolean
isNeedResultMsg
) {
return
execCommand
(
commands
==
null
?
null
:
commands
.
toArray
(
new
String
[] {}),
isRoot
,
isNeedResultMsg
);
}
/**
* execute shell commands
*
* @param commands command array
* @param isRoot whether need to run with root
* @param isNeedResultMsg whether need result msg
* @return <ul>
* <li>if isNeedResultMsg is false, {@link CommandResult#successMsg} is null and
* {@link CommandResult#errorMsg} is null.</li>
* <li>if {@link CommandResult#result} is -1, there maybe some excepiton.</li>
* </ul>
*/
public
static
CommandResult
execCommand
(
String
[]
commands
,
boolean
isRoot
,
boolean
isNeedResultMsg
) {
int
result
= -
1
;
if
(
commands
==
null
||
commands
.
length
==
0
) {
return
new
CommandResult
(
result
,
null
,
null
);
}
Process
process
=
null
;
BufferedReader
successResult
=
null
;
BufferedReader
errorResult
=
null
;
StringBuilder
successMsg
=
null
;
StringBuilder
errorMsg
=
null
;
DataOutputStream
os
=
null
;
try
{
process
=
Runtime
.
getRuntime
().
exec
(
isRoot
?
COMMAND_SU
:
COMMAND_SH
);
os
=
new
DataOutputStream
(
process
.
getOutputStream
());
for
(
String
command
:
commands
) {
if
(
command
==
null
) {
continue
;
}
// donnot use os.writeBytes(commmand), avoid chinese charset error
os
.
write
(
command
.
getBytes
());
os
.
writeBytes
(
COMMAND_LINE_END
);
os
.
flush
();
}
os
.
writeBytes
(
COMMAND_EXIT
);
os
.
flush
();
result
=
process
.
waitFor
();
// get command result
if
(
isNeedResultMsg
) {
successMsg
=
new
StringBuilder
();
errorMsg
=
new
StringBuilder
();
successResult
=
new
BufferedReader
(
new
InputStreamReader
(
process
.
getInputStream
()));
errorResult
=
new
BufferedReader
(
new
InputStreamReader
(
process
.
getErrorStream
()));
String
s
;
while
((
s
=
successResult
.
readLine
()) !=
null
) {
successMsg
.
append
(
s
);
}
while
((
s
=
errorResult
.
readLine
()) !=
null
) {
errorMsg
.
append
(
s
);
}
}
}
catch
(
IOException
e
) {
e
.
printStackTrace
();
}
catch
(
Exception
e
) {
e
.
printStackTrace
();
}
finally
{
try
{
if
(
os
!=
null
) {
os
.
close
();
}
if
(
successResult
!=
null
) {
successResult
.
close
();
}
if
(
errorResult
!=
null
) {
errorResult
.
close
();
}
}
catch
(
IOException
e
) {
e
.
printStackTrace
();
}
if
(
process
!=
null
) {
process
.
destroy
();
}
}
return
new
CommandResult
(
result
,
successMsg
==
null
?
null
:
successMsg
.
toString
(),
errorMsg
==
null
?
null
:
errorMsg
.
toString
());
}
/**
* result of command
* <ul>
* <li>{@link CommandResult#result} means result of command, 0 means normal, else means error, same to excute in
* linux shell</li>
* <li>{@link CommandResult#successMsg} means success message of command result</li>
* <li>{@link CommandResult#errorMsg} means error message of command result</li>
* </ul>
*
* @author <a href="http://www.trinea.cn" target="_blank">Trinea</a> 2013-5-16
*/
public
static
class
CommandResult
{
/** result of command **/
public
int
result
;
/** success message of command result **/
public
String
successMsg
;
/** error message of command result **/
public
String
errorMsg
;
public
CommandResult
(
int
result
) {
this
.
result
=
result
;
}
public
CommandResult
(
int
result
,
String
successMsg
,
String
errorMsg
) {
this
.
result
=
result
;
this
.
successMsg
=
successMsg
;
this
.
errorMsg
=
errorMsg
;
}
}
}
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