package com.imaginary.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Enumeration;
import java.util.MissingResourceException;
import java.util.Properties;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;

public class PropertyReader {
    public PropertyReader() {
        super();
    }

    public void read(File f) throws IOException {
        read(new PropertyResourceBundle(new FileInputStream(f)));
    }
    
    public void read(ResourceBundle bundle) {
        Properties p = System.getProperties();
        Enumeration keys = bundle.getKeys();

        while( keys.hasMoreElements() ) {
            String key = (String)keys.nextElement();
            
            if( !p.containsKey(key) ) {
                p.put(key, bundle.getString(key));
            }
        }
        System.setProperties(p);
    }

    public void read(String res) throws MissingResourceException {
        read(ResourceBundle.getBundle(res));
    }  
}