package
mytools;
import
java.io.BufferedReader;
import
java.io.BufferedWriter;
import
java.io.FileReader;
import
java.io.FileWriter;
import
java.io.IOException;
import
java.util.regex.Matcher;
import
java.util.regex.Pattern;
/** */
/**
* 这是个配置文件操作类，用来读取和设置ini配置文件
*
@author
由月
*
@version
2004-08-18
*/
public
final
class
ConfigurationFile
{
/** */
/**
* 从ini配置文件中读取变量的值
*
@param
file 配置文件的路径
*
@param
section 要获取的变量所在段名称
*
@param
variable 要获取的变量名称
*
@param
defaultValue 变量名称不存在时的默认值
*
@return
变量的值
*
@throws
IOException 抛出文件操作可能出现的io异常
*/
public
static
String getProfileString(
String file,
String section,
String variable,
String defaultValue)
throws
IOException
{
String strLine, value
=
""
;
BufferedReader bufferedReader
=
new
BufferedReader(
new
FileReader(file));
boolean
isInSection
=
false
;
try
{
while
((strLine
=
bufferedReader.readLine())
!=
null
)
{
strLine
=
strLine.trim();
strLine
=
strLine.split(
"
[;]
"
)[
0
];
Pattern p;
Matcher m;
p
=
Pattern.compile(
"
file://[//s*.*//s*//]
"
);
m
=
p.matcher((strLine));
if
(m.matches())
{
p
=
Pattern.compile(
"
file://[//s*
"
+
section
+
"
file://s*//]
"
);
m
=
p.matcher(strLine);
if
(m.matches())
{
isInSection
=
true
;
}
else
{
isInSection
=
false
;
}
}
if
(isInSection
==
true
)
{
strLine
=
strLine.trim();
String[] strArray
=
strLine.split(
"
=
"
);
if
(strArray.length
==
1
)
{
value
=
strArray[
0
].trim();
if
(value.equalsIgnoreCase(variable))
{
value
=
""
;
return
value;
}
}
else
if
(strArray.length
==
2
)
{
value
=
strArray[
0
].trim();
if
(value.equalsIgnoreCase(variable))
{
value
=
strArray[
1
].trim();
return
value;
}
}
else
if
(strArray.length
>
2
)
{
value
=
strArray[
0
].trim();
if
(value.equalsIgnoreCase(variable))
{
value
=
strLine.substring(strLine.indexOf(
"
=
"
)
+
1
).trim();
return
value;
}
}
}
}
}
finally
{
bufferedReader.close();
}
return
defaultValue;
}
/** */
/**
* 修改ini配置文件中变量的值
*
@param
file 配置文件的路径
*
@param
section 要修改的变量所在段名称
*
@param
variable 要修改的变量名称
*
@param
value 变量的新值
*
@throws
IOException 抛出文件操作可能出现的io异常
*/
public
static
boolean
setProfileString(
String file,
String section,
String variable,
String value)
throws
IOException
{
String fileContent, allLine,strLine, newLine, remarkStr;
String getValue;
BufferedReader bufferedReader
=
new
BufferedReader(
new
FileReader(file));
boolean
isInSection
=
false
;
fileContent
=
""
;
try
{
while
((allLine
=
bufferedReader.readLine())
!=
null
)
{
allLine
=
allLine.trim();
if
(allLine.split(
"
[;]
"
).length
>
1
)
remarkStr
=
"
;
"
+
allLine.split(
"
;
"
)[
1
];
else
remarkStr
=
""
;
strLine
=
allLine.split(
"
;
"
)[
0
];
Pattern p;
Matcher m;
p
=
Pattern.compile(
"
file://[//s*.*//s*//]
"
);
m
=
p.matcher((strLine));
if
(m.matches())
{
p
=
Pattern.compile(
"
file://[//s*
"
+
section
+
"
file://s*//]
"
);
m
=
p.matcher(strLine);
if
(m.matches())
{
isInSection
=
true
;
}
else
{
isInSection
=
false
;
}
}
if
(isInSection
==
true
)
{
strLine
=
strLine.trim();
String[] strArray
=
strLine.split(
"
=
"
);
getValue
=
strArray[
0
].trim();
if
(getValue.equalsIgnoreCase(variable))
{
newLine
=
getValue
+
"
=
"
+
value
+
"
"
+
remarkStr;
fileContent
+=
newLine
+
"
\r\n
"
;
while
((allLine
=
bufferedReader.readLine())
!=
null
)
{
fileContent
+=
allLine
+
"
\r\n
"
;
}
bufferedReader.close();
BufferedWriter bufferedWriter
=
new
BufferedWriter(
new
FileWriter(file,
false
));
bufferedWriter.write(fileContent);
bufferedWriter.flush();
bufferedWriter.close();
return
true
;
}
}
fileContent
+=
allLine
+
"
\r\n
"
;
}
}
catch
(IOException ex)
{
throw
ex;
}
finally
{
bufferedReader.close();
}
return
false
;
}
/** */
/**
* 程序测试
*/
public
static
void
main(String[] args)
{
//
String value = Config.getProfileString("sysconfig.ini", "Option", "OracleDB", "default");
//
System.out.println(value);
try
{
System.out.println(ConfigurationFile.setProfileString(
"
d:/1.ini
"
,
"
Settings
"
,
"
SampSize
"
,
"
111
"
));
}
catch
(IOException e)
{
System.out.println(e.toString());
}
}
}
posted on 2006-08-07 19:10
Crespo 阅读(2978)
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