ConfigProp.java

package org.hadatac.utils;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Properties;

import org.hadatac.console.controllers.triplestore.LoadKB;

public class ConfigProp {
	
	private static Properties getProperties(String confFileName) {
		Properties prop = new Properties();
		try {
			InputStream is = ConfigProp.class.getClassLoader().getResourceAsStream(confFileName);
			prop.load(is);
			is.close();
		} catch (Exception e) {
			return null;
		}
		
		return prop;
	}
	
	public static String getPropertyValue(String confFileName, String field) {
		Properties prop = getProperties(confFileName);
		if (null == prop) {
			return "";
		}
		return prop.getProperty(field);
	}
	
	public static void setPropertyValue(String confFileName, String field, String value) {
		Properties prop = getProperties(confFileName);
		if (null == prop) {
			return;
		}
		prop.setProperty(field, value);
		URL url = ConfigProp.class.getClassLoader().getResource(confFileName);
		try {
			prop.store(new FileOutputStream(new File(url.toURI())), null);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (URISyntaxException e) {
			e.printStackTrace();
		}
	}
}