/*
* Copyright 2013 MovingBlocks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.terasology.editor.properties;
import com.google.common.collect.Lists;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.terasology.reflection.metadata.ClassMetadata;
import org.terasology.reflection.metadata.DefaultClassMetadata;
import org.terasology.reflection.metadata.FieldMetadata;
import org.terasology.reflection.copy.CopyStrategyLibrary;
import org.terasology.reflection.reflect.ReflectFactory;
import org.terasology.editor.EditorRange;
import org.terasology.registry.CoreRegistry;
import org.terasology.engine.SimpleUri;
import java.lang.reflect.Field;
import java.util.List;
import static com.google.common.base.Predicates.and;
import static com.google.common.base.Predicates.or;
import static org.reflections.ReflectionUtils.getAllFields;
import static org.reflections.ReflectionUtils.withAnnotation;
import static org.reflections.ReflectionUtils.withType;
/**
* @author Immortius
*/
public class ReflectionProvider<T> implements PropertyProvider<T> {
private static final Logger logger = LoggerFactory.getLogger(ReflectionProvider.class);
private List<Property<T>> properties = Lists.newArrayList();
public ReflectionProvider(T target) {
try {
ReflectFactory reflectFactory = CoreRegistry.get(ReflectFactory.class);
CopyStrategyLibrary copyStrategies = CoreRegistry.get(CopyStrategyLibrary.class);
ClassMetadata<T, ?> classMetadata = new DefaultClassMetadata<>(new SimpleUri(), (Class<T>) target.getClass(), reflectFactory, copyStrategies);
for (Field field : getAllFields(target.getClass(), and(withAnnotation(EditorRange.class), or(withType(Float.TYPE), withType(Float.class))))) {
EditorRange range = field.getAnnotation(EditorRange.class);
FieldMetadata<T, Float> fieldMetadata = (FieldMetadata<T, Float>) classMetadata.getField(field.getName());
Property property = new FloatProperty(target, fieldMetadata, range.min(), range.max());
properties.add(property);
}
} catch (NoSuchMethodException e) {
logger.error("Cannot provide provide inspection for {}, does not have a default constructor", target.getClass());
}
}
@Override
public List<Property<T>> getProperties() {
return properties;
}
}