001/**
002 * Copyright (C) 2006-2024 Talend Inc. - www.talend.com
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.talend.sdk.component.runtime.manager.reflect.parameterenricher;
017
018import java.lang.annotation.Annotation;
019import java.lang.reflect.Type;
020import java.util.Arrays;
021import java.util.Collection;
022import java.util.Collections;
023import java.util.List;
024import java.util.Map;
025import java.util.function.Function;
026import java.util.stream.Collectors;
027import java.util.stream.Stream;
028
029import org.talend.sdk.component.api.configuration.constraint.Max;
030import org.talend.sdk.component.api.configuration.constraint.Min;
031
032/**
033 * @author Oleksand Zhelezniak
034 */
035public class IntegerConstraintEnricher extends BaseParameterEnricher {
036
037    @Override
038    public Map<String, String> onParameterAnnotation(final String parameterName, final Type parameterType,
039            final Annotation annotation) {
040        return Collections.emptyMap();
041    }
042
043    @Override
044    public Map<Type, Collection<Annotation>> getImplicitAnnotationForTypes() {
045        // we can re-use existed constraint enricher
046        // also we can differentiate that those constraints are implicit
047        // and they can be overwritten by explicit
048        final List<Annotation> annotations = Arrays.asList(new PseudoMin(), new PseudoMax());
049        return Stream.of(int.class, Integer.class)
050                .collect(Collectors.toMap(Function.identity(), k -> annotations));
051    }
052
053    private static final class PseudoMin implements Min {
054
055        @Override
056        public double value() {
057            return Integer.MIN_VALUE;
058        }
059
060        @Override
061        public Class<? extends Annotation> annotationType() {
062            return Min.class;
063        }
064    }
065
066    private static final class PseudoMax implements Max {
067
068        @Override
069        public double value() {
070            return Integer.MAX_VALUE;
071        }
072
073        @Override
074        public Class<? extends Annotation> annotationType() {
075            return Max.class;
076        }
077    }
078}