/**
* Copyright 2011-2014 Asakusa Framework Team.
*
* 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 com.asakusafw.dmdl.thundergate.driver;
import java.util.Collections;
import java.util.List;
import com.asakusafw.dmdl.java.emitter.EmitContext;
import com.asakusafw.dmdl.java.spi.JavaDataModelDriver;
import com.asakusafw.dmdl.semantics.Declaration;
import com.asakusafw.dmdl.semantics.ModelDeclaration;
import com.asakusafw.dmdl.semantics.PropertyDeclaration;
import com.asakusafw.utils.java.model.syntax.Annotation;
import com.asakusafw.utils.java.model.syntax.Expression;
import com.asakusafw.utils.java.model.syntax.ModelFactory;
import com.asakusafw.utils.java.model.util.AttributeBuilder;
import com.asakusafw.utils.java.model.util.Models;
import com.asakusafw.vocabulary.bulkloader.OriginalName;
/**
* Emits {@link OriginalName} annotations.
*/
public class OriginalNameEmitter extends JavaDataModelDriver {
@Override
public List<Annotation> getTypeAnnotations(EmitContext context, ModelDeclaration model) {
ModelFactory f = context.getModelFactory();
Expression value = Models.toLiteral(f, getOriginalName(model));
return new AttributeBuilder(f)
.annotation(context.resolve(OriginalName.class), "value", value)
.toAnnotations();
}
@Override
public List<Annotation> getMemberAnnotations(EmitContext context, PropertyDeclaration property) {
OriginalNameTrait trait = property.getTrait(OriginalNameTrait.class);
if (trait == null) {
return Collections.emptyList();
}
ModelFactory f = context.getModelFactory();
Expression value = Models.toLiteral(f, trait.getName());
return new AttributeBuilder(f)
.annotation(context.resolve(OriginalName.class), "value", value)
.toAnnotations();
}
/**
* Returns the original name for the specified declaration.
* If the declaration has {@link OriginalNameTrait}, then returns the explicit name,
* otherwise returns the default name which will be inferred.
* @param declaration the declaration
* @return the original name or default name
* @throws IllegalArgumentException if some parameters were {@code null}
*/
public static String getOriginalName(Declaration declaration) {
if (declaration == null) {
throw new IllegalArgumentException("declaration must not be null"); //$NON-NLS-1$
}
OriginalNameTrait trait = declaration.getTrait(OriginalNameTrait.class);
if (trait == null) {
return declaration.getName().getSimpleName().identifier.toUpperCase();
} else {
return trait.getName();
}
}
}