source: java/main/src/main/java/com/framsticks/util/lang/Numbers.java @ 193

package com.framsticks.util.lang;

import java.lang.reflect.InvocationTargetException;

/**
 * @author Piotr Sniegowski
 */
public abstract class Numbers {

        @SuppressWarnings("unchecked")
        public static <T> T parse(String value, Class<T> type) {
                if (!Strings.notEmpty(value)) {
                        return null;
                }
                try {
                        return (T)type.getMethod("valueOf", String.class).invoke(null, value);
                } catch (IllegalAccessException e) {
                        e.printStackTrace();
                } catch (InvocationTargetException e) {
                        if (e.getTargetException() instanceof NumberFormatException) {
                                return null;
                        }
                        e.printStackTrace();
                } catch (NoSuchMethodException e) {
                        e.printStackTrace();
                } catch (NumberFormatException ignored) {
                        return null;
                }
                return null;
        }

        // @SuppressWarnings("unchecked")
        // public static <T> T parse(String value, Class<T> type) {
        //      return null;
        // }


        public static <T extends Number> T cast(Object value, Class<T> type) {
                if (value == null) {
                        return null;
                }
                if (value instanceof String) {
                        return parse((String)value, type);
                }
                if (value.getClass() == type) {
                        return type.cast(value);
                }
                return null;
        }

}