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java 常用工具类,作为 apache-commons的补充

There is a newer version: 5.3.2302

package com.centit.support.file;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
     
/**   
 * @author James Fancy   
 * modifyed by brmrk
 * modifyed by codefan
 * 这个类用来读取 ini配置文件，没有写的功能
 */
@SuppressWarnings("unused")
public class IniReader {

    private IniReader() {
        throw new IllegalAccessError("Utility class");
    }

    protected Map > sections = new HashMap >();     
    private transient String currentSecion = null;     
    private transient Map current=null;     
     
    public IniReader(String filename) throws IOException {     
        //modifyed by brmrk     
        try(BufferedReader reader = new BufferedReader(new InputStreamReader(     
                new FileInputStream(filename), "GBK"))){   
            read(reader);
        }  
    }     
     
    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.startsWith("[") && line.endsWith("]")) {     
             if (current != null && currentSecion != null) {     
                sections.put(currentSecion, current);     
             }     
            currentSecion = line.substring(1, line.length() - 1);     
            current = sections.get(currentSecion);
            if(current==null)
                current = new HashMap ();
        }else if (current != null && currentSecion != null && 
                 ! line.startsWith(";") && (line.indexOf('=') >= 0)) {
            int i = line.indexOf('=');     
            String name = line.substring(0, i).trim();     
            String value = line.substring(i + 1).trim();     
            current.put(name, value);     
            sections.put(currentSecion, current);     
        }     
    }     
     
    public String getValue(String section, String name) {     
        Map p = sections.get(section);
     
        if (p == null) {     
            return null;     
        }     
     
        String value = p.get(name);     
        return value;     
    }     
    /* 
    public  static void  main(String[] args)  throws  IOException  { 
       IniReader ini=new IniReader("config.ini");
       String value = ini.getValue("product", "name"); 
       System.out.println(value); 
   }*/
}