/**
* Copyright 2011-2017 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.operator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.TypeElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.type.TypeVariable;
import javax.lang.model.util.ElementFilter;
import javax.lang.model.util.Elements;
import com.asakusafw.operator.model.ConcreteDataModelMirror;
import com.asakusafw.operator.model.DataModelMirror;
import com.asakusafw.operator.model.PartialDataModelMirror;
import com.asakusafw.operator.model.PropertyMirror;
import com.asakusafw.operator.model.PropertyMirrorCollector;
/**
* Mock {@link DataModelMirrorRepository}.
*/
public class MockDataModelMirrorRepository implements DataModelMirrorRepository, PropertyMirrorCollector {
private final Set<String> targets = new HashSet<>();
/**
* Adds supported classes.
* @param classes supported classes
* @return this
*/
public MockDataModelMirrorRepository add(Class<?>... classes) {
for (Class<?> aClass : classes) {
targets.add(aClass.getName());
}
return this;
}
/**
* Add supported class names.
* @param packageName package name
* @param typeNames type names
* @return this
*/
public MockDataModelMirrorRepository add(String packageName, String... typeNames) {
for (String typeName : typeNames) {
targets.add(packageName + "." + typeName);
}
return this;
}
@Override
public DataModelMirror load(CompileEnvironment environment, TypeMirror type) {
if (isTargetType(environment, type) == false) {
return null;
}
if (type.getKind() == TypeKind.DECLARED) {
return new ConcreteDataModelMirror(environment, (DeclaredType) type, this);
} else if (type.getKind() == TypeKind.TYPEVAR) {
return new PartialDataModelMirror(environment, (TypeVariable) type, this);
}
return null;
}
private boolean isTargetType(CompileEnvironment environment, TypeMirror type) {
TypeMirror target = environment.getErasure(type);
if (target.getKind() != TypeKind.DECLARED) {
return false;
}
DeclaredType decl = (DeclaredType) target;
String name = ((TypeElement) decl.asElement()).getQualifiedName().toString();
if (targets.contains(name) == false) {
return false;
}
return true;
}
@Override
public Set<PropertyMirror> collect(
CompileEnvironment environment,
TypeMirror targetType,
List<TypeElement> upperBounds) {
if (environment == null) {
throw new IllegalArgumentException("environment must not be null"); //$NON-NLS-1$
}
if (targetType == null) {
throw new IllegalArgumentException("targetType must not be null"); //$NON-NLS-1$
}
if (upperBounds == null) {
throw new IllegalArgumentException("upperBounds must not be null"); //$NON-NLS-1$
}
Set<PropertyMirror> results = new HashSet<>();
Elements elements = environment.getProcessingEnvironment().getElementUtils();
for (TypeElement type : upperBounds) {
for (VariableElement field : ElementFilter.fieldsIn(elements.getAllMembers(type))) {
if (field.getModifiers().contains(Modifier.STATIC) == false) {
results.add(new PropertyMirror(
field.getSimpleName().toString(),
field.asType()));
}
}
}
return results;
}
}