source: java/main/src/main/java/com/framsticks/params/Flags.java @ 85

package com.framsticks.params;

import java.lang.reflect.Field;
import org.apache.log4j.Logger;

import com.framsticks.util.lang.Delimeted;

/**
 * The class Flags contains constants connected with parameter features as
 * well as feedback about set operation (when setting parameter value).
 *
 * Based on c++ defines located in: cpp/gdk/param.h
 *
 * @author Jarek Szymczak <name.surname@gmail.com>
 * (please replace name and surname with my personal data)
 *
 * @@author Piotr Sniegowski
 */
public final class Flags {

        private final static Logger log = Logger.getLogger(Flags.class.getName());

        public static final int READONLY = 1;

        public static final int DONTSAVE = 2;

        public static final int USERREADONLY = 16;

        public static final int USERHIDDEN = 32;

        public static final int MUTALLOCENTRY = 64;

        public static final int MUTALLOCDATA = 128;

        public static final int NOSTATIC = 256;

        public static final int CONST = 512;

        public static final int CANOMITNAME = 1024;

        public static final int DONTLOAD = 2048;

        public static final int PSET_RONLY = 1;

        public static final int PSET_CHANGED = 2;

        public static final int PSET_HITMIN = 4;

        public static final int PSET_HITMAX = 8;

        public static String write(int flags, String empty) {
                Delimeted d = new Delimeted("+", empty);
                try {
                        for (Field f : Flags.class.getDeclaredFields()) {
                                if (f.getType() != int.class) {
                                        continue;
                                }
                                if ((flags & f.getInt(null)) != 0) {
                                        d.append(f.getName());
                                }
                        }
                } catch (IllegalArgumentException | IllegalAccessException e) {
                        e.printStackTrace();
                }
                return d.build();
        }

        public static Integer read(String flags) {
                Integer allFlags = 0;
                String[] flagsSplitted = flags.split("\\+");
                for (String flag : flagsSplitted) {
                        try {
                                allFlags |= Integer.valueOf(flag);
                        } catch (NumberFormatException ex) {
                                try {
                                        Field field = Flags.class.getDeclaredField(flag.toUpperCase());
                                        allFlags |= Integer.parseInt(field.get(null).toString());
                                } catch (SecurityException e) {
                                        log.warn("security exception was thrown while trying to read flag (" + flag + ")");
                                } catch (NoSuchFieldException | IllegalArgumentException | IllegalAccessException e) {
                                        log.warn("selected flag is not known (" + flag + ")");
                                }
                        }
                }
                return allFlags;
        }
}