/*
* Copyright 2014 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.rendering.nui.internal;
import com.google.common.base.Predicate;
import org.terasology.engine.SimpleUri;
import org.terasology.reflection.copy.CopyStrategy;
import org.terasology.reflection.copy.CopyStrategyLibrary;
import org.terasology.reflection.metadata.ClassMetadata;
import org.terasology.reflection.metadata.FieldMetadata;
import org.terasology.reflection.reflect.InaccessibleFieldException;
import org.terasology.reflection.reflect.ReflectFactory;
import org.terasology.rendering.nui.LayoutConfig;
import org.terasology.rendering.nui.UIWidget;
import java.lang.reflect.Field;
/**
*/
public class WidgetMetadata<T extends UIWidget> extends ClassMetadata<T, FieldMetadata<T, ?>> {
/**
* Creates a class metatdata
*
* @param uri The uri that identifies this type
* @param type The type to create the metadata for
* @param factory A reflection library to provide class construction and field get/set functionality
* @param copyStrategyLibrary A copy strategy library
* @throws NoSuchMethodException If the class has no default constructor
*/
public WidgetMetadata(SimpleUri uri, Class<T> type, ReflectFactory factory, CopyStrategyLibrary copyStrategyLibrary) throws NoSuchMethodException {
super(uri, type, factory, copyStrategyLibrary, IsConfigField.INSTANCE);
}
@Override
protected <V> FieldMetadata<T, ?> createField(Field field, CopyStrategy<V> copyStrategy, ReflectFactory factory) throws InaccessibleFieldException {
return new FieldMetadata<>(this, field, copyStrategy, factory);
}
private static class IsConfigField implements Predicate<Field> {
private static final IsConfigField INSTANCE = new IsConfigField();
@Override
public boolean apply(Field input) {
return input.getAnnotation(LayoutConfig.class) != null;
}
}
}