Rogue: Savage Rats, a retro-themed dungeon crawler
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rogue-savage-rats/src/mightypork/utils/objects/Convertor.java

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5.9 KiB

package mightypork.utils.objects;
import mightypork.utils.logging.Log;
import mightypork.utils.math.Range;
import mightypork.utils.math.coord.Coord;
/**
* Utility for converting Object to data types; Can also convert strings to data
* types.
*
* @author MightyPork
*/
public class Convertor {
/**
* Get INTEGER
*
* @param o object
* @param def default value
* @return integer
*/
public static int getInteger(Object o, Integer def)
{
try {
if (o == null) return def;
if (o instanceof String) return (int) Math.round(Double.parseDouble((String) o));
if (o instanceof Number) return ((Number) o).intValue();
if (o instanceof Range) return ((Range) o).randInt();
if (o instanceof Boolean) return ((Boolean) o) ? 1 : 0;
} catch (NumberFormatException e) {}
Log.w("Cannot convert " + o + " to Integer.");
return def;
}
/**
* Get DOUBLE
*
* @param o object
* @param def default value
* @return double
*/
public static double getDouble(Object o, Double def)
{
try {
if (o == null) return def;
if (o instanceof String) return Double.parseDouble((String) o);
if (o instanceof Number) return ((Number) o).doubleValue();
if (o instanceof Range) return ((Range) o).randDouble();
if (o instanceof Boolean) return ((Boolean) o) ? 1 : 0;
} catch (NumberFormatException e) {}
Log.w("Cannot convert " + o + " to Double.");
return def;
}
/**
* Get FLOAT
*
* @param o object
* @param def default value
* @return float
*/
public static double getFloat(Object o, Float def)
{
try {
if (o == null) return def;
if (o instanceof Number) return ((Number) o).floatValue();
} catch (NumberFormatException e) {}
Log.w("Cannot convert " + o + " to Float.");
return def;
}
/**
* Get BOOLEAN
*
* @param o object
* @param def default value
* @return boolean
*/
public static boolean getBoolean(Object o, Boolean def)
{
if (o == null) return def;
if (o instanceof String) {
String s = ((String) o).trim().toLowerCase();
if (s.equals("0")) return false;
if (s.equals("1")) return true;
try {
double n = Double.parseDouble(s);
return n != 0;
} catch (NumberFormatException e) {}
if (s.equals("true")) return true;
if (s.equals("yes")) return true;
if (s.equals("y")) return true;
if (s.equals("enabled")) return true;
if (s.equals("false")) return false;
if (s.equals("no")) return false;
if (s.equals("n")) return false;
if (s.equals("disabled")) return true;
}
if (o instanceof Boolean) return ((Boolean) o).booleanValue();
if (o instanceof Number) return ((Number) o).intValue() != 0;
Log.w("Cannot convert " + o + " to Boolean.");
return def;
}
/**
* Get STRING
*
* @param o object
* @param def default value
* @return String
*/
public static String getString(Object o, String def)
{
if (o == null) return def;
if (o instanceof String) return ((String) o);
Log.w("Cannot convert " + o + " to String.");
return o.toString();
}
/**
* Get AI_COORD<br>
* Converts special constants to magic coordinate instances.
*
* @param o object
* @param def default value
* @return AiCoord
*/
public static Coord getCoord(Object o, Coord def)
{
try {
if (o == null) return def;
if (o instanceof String) {
String s = ((String) o).trim().toUpperCase();
// colon to semicolon
s = s.replace(':', ';');
// comma to semicolon
s = s.replace(',', ';');
// remove brackets if any
s = s.replaceAll("[\\(\\[\\{\\)\\]\\}]", "");
String[] parts = s.split("[;]");
return new Coord(Double.parseDouble(parts[0].trim()), Double.parseDouble(parts[1].trim()));
}
if (o instanceof Coord) return new Coord((Coord) o);
} catch (NumberFormatException e) {
// ignore
}
Log.w("Cannot convert " + o + " to Coord.");
return def;
}
/**
* Get RANGE
*
* @param o object
* @param def default value
* @return AiCoord
*/
public static Range getRange(Object o, Range def)
{
try {
if (o == null) return def;
if (o instanceof Number) return new Range(((Number) o).doubleValue(), ((Number) o).doubleValue());
if (o instanceof String) {
String s = ((String) o).trim();
// colon to semicolon
s = s.replace(',', ':');
// comma to dot.
s = s.replace(';', ':');
// dash
s = s.replaceAll("([0-9])\\s?[\\-]", "$1:");
// remove brackets if any
s = s.replaceAll("[\\(\\[\\{\\)\\]\\}]", "");
String[] parts = s.split("[:]");
if (parts.length == 2) return new Range(Double.parseDouble(parts[0].trim()), Double.parseDouble(parts[1].trim()));
return new Range(Double.parseDouble(parts[0].trim()), Double.parseDouble(parts[0].trim()));
}
if (o instanceof Range) return (Range) o;
} catch (NumberFormatException e) {}
Log.w("Cannot convert " + o + " to Range.");
return def;
}
/**
* Get INTEGER
*
* @param o object
* @return integer
*/
public static int getInteger(Object o)
{
return getInteger(o, 0);
}
/**
* Get DOUBLE
*
* @param o object
* @return double
*/
public static double getDouble(Object o)
{
return getDouble(o, 0d);
}
/**
* Get FLOAT
*
* @param o object
* @return float
*/
public static double getFloat(Object o)
{
return getFloat(o, 0f);
}
/**
* Get BOOLEAN
*
* @param o object
* @return boolean
*/
public static boolean getBoolean(Object o)
{
return getBoolean(o, false);
}
/**
* Get STRING
*
* @param o object
* @return String
*/
public static String getString(Object o)
{
return getString(o, "");
}
/**
* Get AI_COORD (if special string constant is present instead, build coord
* of it)
*
* @param o object
* @return AiCoord
*/
public static Coord getCoord(Object o)
{
return getCoord(o, Coord.zero());
}
/**
* Get RANGE
*
* @param o object
* @return AiCoord
*/
public static Range getRange(Object o)
{
return getRange(o, new Range());
}
}