How to read ini file using Java – JAVA編程語言程序開發技術文章

Java Code:

[java]
import java.io.BufferedReader; 
import java.io.FileReader; 
import java.io.IOException; 
import java.util.HashMap; 
import java.util.Properties; 
 
public class iniReader { 
    protected HashMap<String, Properties> sections = new HashMap<String, Properties>(); 
    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("\\[.*\\]"))  
        { 
            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); 
            } 
        } 
    } 
 
    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; 
    } 

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

public class iniReader {
    protected HashMap<String, Properties> sections = new HashMap<String, Properties>();
    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("\\[.*\\]"))
        {
            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);
            }
        }
    }

    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;
    }
}

 

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