source: java/main/src/main/java/com/framsticks/params/types/BooleanParam.java @ 102

package com.framsticks.params.types;

import javax.annotation.concurrent.Immutable;

import com.framsticks.params.CastFailure;
import com.framsticks.params.ParamBuilder;
import com.framsticks.params.PrimitiveParam;
import com.framsticks.params.ReassignResult;
import com.framsticks.params.Sink;
import com.framsticks.util.lang.Numbers;

/**
 * @author Piotr Sniegowski
 */
@Immutable
public class BooleanParam extends PrimitiveParam<Boolean> {

        /**
         * @param builder
         */
        public BooleanParam(ParamBuilder builder) {
                super(builder.fillDef(false).fillStorageType(Boolean.class));
        }

        @Override
        public Class<?> getStorageType() {
                return Boolean.class;
        }

        @Override
        public ReassignResult<Boolean> reassign(Object newValue, Object oldValue) throws CastFailure {
                if (newValue instanceof Boolean) {
                        return ReassignResult.create((Boolean) newValue);
                }
                if (newValue instanceof Integer) {
                        return ReassignResult.create(((Integer) newValue) != 0);
                }
                if (newValue instanceof String) {
                        if ("true".equals(newValue)) {
                                return ReassignResult.create(true);
                        }
                        if ("false".equals(newValue)) {
                                return ReassignResult.create(false);
                        }
                        Integer i = Numbers.cast(newValue, Integer.class);
                        if (i != null) {
                                return ReassignResult.create(i != 0);
                        }
                        throw new CastFailure();
                }
                throw new CastFailure();
        }

        @Override
        public String getFramsTypeName() {
                return "d 0 1";
        }

        @Override
        public void save(Sink sink, Object value) {
                assert value instanceof Boolean;
                sink.print(((Boolean)value) ? "1" : "0");
        }
}