java 读取.ini配置文件工具类

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

@SuppressWarnings("rawtypes")
public class IniReader {
	protected HashMap sections = new HashMap();
	private transient String currentSecion;
	private transient Properties current;

	/**
	 * 构造函数
	 * @param filename
	 * @throws IOException
	 */
	public IniReader(String filename) throws IOException {
		BufferedReader reader = new BufferedReader(new FileReader(filename));
		read(reader);
		reader.close();
	}
    /**
     * 读取文件
     * @param reader
     * @throws IOException
     */
	protected void read(BufferedReader reader) throws IOException {
		String line;
		while ((line = reader.readLine()) != null) {
			parseLine(line);
		}
	}

	/**
	 * 解析配置文件行
	 * @param line
	 */
	@SuppressWarnings("unchecked")
	protected void parseLine(String line) {
		line = line.trim();
		if (line.matches("\\[.*\\]")) {
			currentSecion = line.replaceFirst("\\[(.*)\\]", "$1");
			current = new Properties();
			sections.put(currentSecion, current);
		} else if (line.matches(".*=.*")) {
			if (current != null) {
				int i = line.indexOf('=');
				String name = line.substring(0, i);
				String value = line.substring(i + 1);
				current.setProperty(name, value);
			}
		}
	}
	/**
	 * 获取值
	 * @param section
	 * @param name
	 * @return
	 */
	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;
	}
    /**
     * 是否包含key
     * @param section
     * @param name
     * @return
     */
	public boolean containsKey(String section,String key) {
		Properties p = (Properties) sections.get(section);
		return p.contains(key);
	}
}

 

 

评论

2 楼 yurui829 2017-03-05  

解析配置行那等号前后有可能有空格，改为如下比较好：
String[] lineArray = line.split("=");
String name = lineArray[0].trim(); 
String value = lineArray[1].trim(); 

1 楼 Waternoodle 2016-04-19  

最后的"是否包含key"应该用containsKey的