import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 配置文件操作类，用来读取和设置ini配置文件
*/
public final class ConfigurationFile {
private String fileName;
public ConfigurationFile(String fileName) {
this.fileName = fileName;
}
/**
* 从ini配置文件中读取字符变量的值
* @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 变量的字符型值
*/
public String getProfileString(
String section,
String variable,
String defaultValue) {
BufferedReader bufferedReader = null;
try {
String strLine;
String value = "";
bufferedReader = new BufferedReader(new FileReader(fileName));
boolean isInSection = false;
while ((strLine = bufferedReader.readLine()) != null) {
strLine = strLine.trim();
strLine = strLine.split("[;]")[0];
Pattern p;
Matcher m;
p = Pattern.compile("\\[\\s*.*\\s*\\]");
m = p.matcher(strLine);
if (m.matches()) {
p = Pattern.compile("\\[\\s*" + section + "\\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;
}
}
}
}
} catch (FileNotFoundException ex) {
Logger.getLogger(ConfigurationFile.class.getName()).log(Level.SEVERE, null, ex);
} catch (IOException ex) {
Logger.getLogger(ConfigurationFile.class.getName()).log(Level.SEVERE, null, ex);
} finally {
try {
bufferedReader.close();
} catch (IOException ex) {
Logger.getLogger(ConfigurationFile.class.getName()).log(Level.SEVERE, null, ex);
}
}
return defaultValue;
}