[JAVA] Util to use for some reason

package util;

import java.util.function.Function;
import java.util.function.Predicate;
import java.util.Arrays;

public class Utils {
	
	/** --------------- Object --------------- */
	
	/**True if not null*/
	public static final Predicate<Object> nonNull = v -> v != null;
	
	/**Convert to empty string if null*/
	public static final Function<Object, String> nullToEmpty = v -> v == null ? "" : v.toString();
	
	/**Convert to 0 if null and non-numeric*/
	public static final Function<Object, Integer> nullToZero = v -> {
		try {
			return v == null ? 0 : Integer.parseInt(v.toString());
		} catch (NumberFormatException e) {
			return 0;
		}
	};
	
	/** --------------- String --------------- */
	
	/**True if neither null nor empty string*/
	public static final Predicate<String> nonEmpty = v -> v != null && !v.equals("");
	
	/**Whitespace character, null or empty string(Half-width and full-width)If not true*/
	public static final Predicate<String> nonBlank = v -> v != null && !v.equals("")
			&& Arrays.stream(v.split("")).anyMatch(x -> !x.equals(" ") && !x.equals("　"));
}

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