Java 读取 INI 文件的示例

package com.wfy.util;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Properties;

/**  
 *  @author  金鑫
 */
public class IniReader {

	protected HashMap sections = new HashMap();
	private transient String currentSecion;
	private transient Properties current;

	public IniReader(String filename) throws IOException {
		BufferedReader reader = new BufferedReader(new FileReader(filename));
		read(reader);
		reader.close();
	}

	protected void read(BufferedReader reader) throws IOException {
		String line;
		while ((line = reader.readLine()) != null) {
			parseLine(line);
		}
	}

	protected void parseLine(String line) {
		line = line.trim();
		if (line.matches("\\[.*\\]")) {
			//  如果是  JDK  1.4(不含1.4)以下版本，修改为  
			//  if  (line.startsWith("[")  &&  line.endsWith("]"))  {  
			if (current != null) {
				sections.put(currentSecion, current);
			}
			currentSecion = line.replaceFirst("\\[(.*)\\]", "$1");
			//  JDK  低于  1.4  时  
			//  currentSection  =  line.substring(1,  line.length()  -  1);  
			current = new Properties();
		} else if (line.matches(".*=.*")) {
			//  JDK  低于  1.4  时  
			//  }  else  if  (line.indexOf('=')  >=  0)  {  
			int i = line.indexOf('=');
			String name = line.substring(0, i);
			String value = line.substring(i + 1);
			current.setProperty(name, value);
		}
	}

	public String getValue(String section, String name) {
		Properties p = (Properties) sections.get(section);

		if (p == null) {
			return null;
		}

		String value = p.getProperty(name);
		return value;
	}

	public static void main(String[] args) throws IOException {
		IniReader reader = new IniReader("E:\\james\\win.ini");
		System.out.println(reader.getValue("MCI  Extensions.BAK", "asf"));
	}

}