PropertyReader.java

package org.caudexorigo.conf;

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<String> keys = bundle.getKeys();

		while (keys.hasMoreElements())
		{
			String key = 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));
	}
}