lombok.eclipse.handlers.HandleBoundSetter.java Source code

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Here is the source code for lombok.eclipse.handlers.HandleBoundSetter.java

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/*
 * Copyright  2011-2012 Philipp Eichhorn
 *
 * 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.eclipse.handlers;

import static lombok.eclipse.handlers.Eclipse.ensureAllClassScopeMethodWereBuild;

import java.util.List;

import lombok.*;
import lombok.core.AnnotationValues;
import lombok.core.handlers.BoundSetterHandler;
import lombok.core.util.As;
import lombok.core.util.Each;
import lombok.eclipse.DeferUntilBuildFieldsAndMethods;
import lombok.eclipse.EclipseAnnotationHandler;
import lombok.eclipse.EclipseNode;
import lombok.eclipse.handlers.ast.EclipseField;
import lombok.eclipse.handlers.ast.EclipseType;
import org.eclipse.jdt.internal.compiler.ast.*;
import org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.mangosdk.spi.ProviderFor;

/**
 * Handles the {@code lombok.BoundSetter} annotation for eclipse.
 */
@DeferUntilBuildFieldsAndMethods
@ProviderFor(EclipseAnnotationHandler.class)
public class HandleBoundSetter extends EclipseAnnotationHandler<BoundSetter> {

    @Override
    public void handle(final AnnotationValues<BoundSetter> annotation, final Annotation ast,
            final EclipseNode annotationNode) {
        BoundSetter annotationInstance = annotation.getInstance();
        new BoundSetterHandler<EclipseType, EclipseField, EclipseNode, ASTNode>(annotationNode, ast) {

            @Override
            protected EclipseType typeOf(EclipseNode node, ASTNode ast) {
                return EclipseType.typeOf(node, ast);
            }

            @Override
            protected EclipseField fieldOf(EclipseNode node, ASTNode ast) {
                return EclipseField.fieldOf(node, ast);
            }

            @Override
            protected boolean hasMethodIncludingSupertypes(final EclipseType type, final String methodName,
                    final lombok.ast.TypeRef... argumentTypes) {
                return hasMethod(type.get().binding, methodName, type.editor().build(As.list(argumentTypes)));
            }

            private boolean hasMethod(final TypeBinding binding, final String methodName,
                    List<ASTNode> argumentTypes) {
                if (binding instanceof ReferenceBinding) {
                    ReferenceBinding rb = (ReferenceBinding) binding;
                    MethodBinding[] availableMethods = rb.availableMethods();
                    for (MethodBinding method : Each.elementIn(availableMethods)) {
                        if (method.isAbstract())
                            continue;
                        if (!method.isPublic())
                            continue;
                        if (!methodName.equals(As.string(method.selector)))
                            continue;
                        if (argumentTypes.size() != As.list(method.parameters).size())
                            continue;
                        // TODO check actual types..
                        return true;
                    }
                    ReferenceBinding superclass = rb.superclass();
                    ensureAllClassScopeMethodWereBuild(superclass);
                    return hasMethod(superclass, methodName, argumentTypes);
                }
                return false;
            }

        }.handle(annotationInstance.value(), annotationInstance.vetoable(),
                annotationInstance.throwVetoException());
    }
}