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package inr.numass;

import hep.dataforge.context.Global;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Properties;

/**
 *
 * @author Alexander Nozik
 */
public class NumassProperties {

    private static File getNumassPropertiesFile() throws IOException {
        File file = new File(Global.instance().getUserDirectory(), "numass");
        if (!file.exists()) {
            file.mkdirs();
        }
        file = new File(file, "numass.cfg");
        if(!file.exists()){
            file.createNewFile();
        }
        return file;
    }

    public static String getNumassProperty(String key) {
        try {
            Properties props = new Properties();
            props.load(new FileInputStream(getNumassPropertiesFile()));
            return props.getProperty(key);
        } catch (IOException ex) {
            return null;
        }
    }

    public synchronized static void setNumassProperty(String key, String value) {
        try {
            Properties props = new Properties();
            File store = getNumassPropertiesFile();
            props.load(new FileInputStream(store));
            props.setProperty(key, value);
            props.store(new FileOutputStream(store), "");
        } catch (IOException ex) {
            Global.instance().getLogger().error("Failed to save numass properties", ex);
        }
    }
}