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/*
* Copyright (C) 2017-2018 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.javac.handlers;
import static lombok.javac.handlers.JavacHandlerUtil.*;
import org.mangosdk.spi.ProviderFor;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
import com.sun.tools.javac.tree.JCTree.JCIdent;
import lombok.Builder;
import lombok.core.AST.Kind;
import lombok.core.AnnotationValues;
import lombok.core.HandlerPriority;
import lombok.experimental.SuperBuilder;
import lombok.javac.JavacAnnotationHandler;
import lombok.javac.JavacNode;
@ProviderFor(JavacAnnotationHandler.class)
@HandlerPriority(-1025) //HandleBuilder's level, minus one.
public class HandleBuilderDefault extends JavacAnnotationHandler<Builder.Default> {
@Override public void handle(AnnotationValues<Builder.Default> annotation, JCAnnotation ast, JavacNode annotationNode) {
JavacNode annotatedField = annotationNode.up();
if (annotatedField.getKind() != Kind.FIELD) return;
JavacNode classWithAnnotatedField = annotatedField.up();
if (!hasAnnotation(Builder.class, classWithAnnotatedField) && !hasAnnotation("lombok.experimental.Builder", classWithAnnotatedField)
&& !hasAnnotation(SuperBuilder.class, classWithAnnotatedField)) {
annotationNode.addWarning("@Builder.Default requires @Builder or @SuperBuilder on the class for it to mean anything.");
deleteAnnotationIfNeccessary(annotationNode, Builder.Default.class);
}
/** HandleBuilder is going to wipe out the import, at which point '@Builder.Default' is no longer clear. */
if (ast.annotationType instanceof JCFieldAccess) {
JCFieldAccess jfa = (JCFieldAccess) ast.annotationType;
if (jfa.selected instanceof JCIdent && ((JCIdent) jfa.selected).name.contentEquals("Builder") && jfa.name.contentEquals("Default")) {
JCFieldAccess newJfaSel = annotationNode.getTreeMaker().Select(annotationNode.getTreeMaker().Ident(annotationNode.toName("lombok")), ((JCIdent) jfa.selected).name);
jfa.selected = newJfaSel;
}
}
}
}
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