package de.synolo.lib.fw.utils;

import java.util.Properties;

public class TypedProperties extends Properties {

	private static final long serialVersionUID = 1L;

	interface Converter<T> {
		T convert(String input) throws Exception;
	}
	
	public <T> T getObject(String key, T defaultValue, Converter<T> converter) {
		T val = defaultValue;
		try {
			val = converter.convert(getProperty(key));
		}catch(Exception e) {
			val = defaultValue;
		}
		return val;
	}
	
	public byte getByte(String key, byte defaultValue) { return getObject(key, defaultValue, Byte::parseByte); }
	public byte getByte(String key) { return getByte(key, (byte)0); }
	
	public short getShort(String key, short defaultValue) { return getObject(key, defaultValue, Short::parseShort); }
	public short getShort(String key) { return getShort(key, (short)0); }
	
	public int getInt(String key, int defaultValue) { return getObject(key, defaultValue, Integer::parseInt); }
	public int getInt(String key) { return getInt(key, 0); }
	
	public long getLong(String key, long defaultValue) { return getObject(key, defaultValue, Long::parseLong); }
	public long getLong(String key) { return getLong(key, (byte)0); }
	
	public float getFloat(String key, float defaultValue) { return getObject(key, defaultValue, Float::parseFloat); }
	public float getFloat(String key) { return getFloat(key, (byte)0); }
	
	public double getDouble(String key, double defaultValue) { return getObject(key, defaultValue, Double::parseDouble); }
	public double getDouble(String key) { return getDouble(key, (byte)0); }
	
	
}