/**
* 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.builtin;
import javax.lang.model.element.Modifier;
import com.asakusafw.operator.Constants;
import com.asakusafw.operator.OperatorDriver;
import com.asakusafw.operator.builtin.DslBuilder.ElementRef;
import com.asakusafw.operator.builtin.DslBuilder.TypeRef;
import com.asakusafw.operator.description.ClassDescription;
import com.asakusafw.operator.model.OperatorDescription;
import com.asakusafw.operator.model.OperatorDescription.Document;
/**
* {@link OperatorDriver} for {@code Logging} annotation.
*/
public class LoggingOperatorDriver implements OperatorDriver {
private static final String OUTPUT_PORT = "outputPort"; //$NON-NLS-1$
private static final String LOG_LEVEL = "value"; //$NON-NLS-1$
@Override
public ClassDescription getAnnotationTypeName() {
return Constants.getBuiltinOperatorClass("Logging"); //$NON-NLS-1$
}
@Override
public OperatorDescription analyze(Context context) {
DslBuilder dsl = new DslBuilder(context);
if (dsl.method().modifiers().contains(Modifier.ABSTRACT)) {
dsl.method().error(Messages.getString("LoggingOperatorDriver.errorAbstract")); //$NON-NLS-1$
}
if (dsl.result().type().isString() == false) {
dsl.method().error(Messages.getString("LoggingOperatorDriver.errorReturnNotStringType")); //$NON-NLS-1$
}
for (ElementRef p : dsl.parameters()) {
TypeRef type = p.type();
if (type.isDataModel()) {
if (dsl.getInputs().isEmpty()) {
dsl.addInput(p.document(), p.name(), p.type().mirror(), p.reference());
dsl.addOutput(
Document.text(Messages.getString("LoggingOperatorDriver.javadocOutput")), //$NON-NLS-1$
dsl.annotation().string(OUTPUT_PORT),
p.type().mirror(),
p.reference());
} else {
p.error(Messages.getString("LoggingOperatorDriver.errorInputTooMany")); //$NON-NLS-1$
}
} else if (type.isExtra()) {
dsl.consumeExtraParameter(p);
} else {
p.error(Messages.getString("LoggingOperatorDriver.errorParameterUnsupportedType")); //$NON-NLS-1$
}
}
dsl.addAttribute(dsl.annotation().constant(LOG_LEVEL));
return dsl.toDescription();
}
}