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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.core.handlers;
import static lombok.ast.AST.*;
import static lombok.ast.IMethod.ArgumentStyle.*;
import java.util.*;
import lombok.*;
import lombok.ast.*;
public final class ActionFunctionAndPredicateHandler, METHOD_TYPE extends IMethod> {
public void rebuildMethod(final METHOD_TYPE method, final TemplateData template, final IParameterValidator validation,
final IParameterSanitizer sanitizer) {
final TYPE_TYPE type = method.surroundingType();
final TypeRef returnType = (template.forcedReturnType == null) ? method.boxedReturns() : Type(template.forcedReturnType);
final List boxedArgumentTypes = new ArrayList();
final List arguments = withUnderscoreName(method.arguments(INCLUDE_ANNOTATIONS));
final List boxedArguments = method.arguments(BOXED_TYPES, INCLUDE_ANNOTATIONS);
boxedArguments.removeAll(withUnderscoreName(boxedArguments));
for (Argument argument : boxedArguments) {
boxedArgumentTypes.add(argument.getType());
}
if ((template.forcedReturnType == null) && method.returns("void")) {
method.editor().replaceReturns(Return(Null()));
}
final TypeRef interfaceType = Type(template.typeName).withTypeArguments(boxedArgumentTypes);
if (template.forcedReturnType == null) {
interfaceType.withTypeArgument(returnType);
}
final MethodDecl innerMethod = MethodDecl(returnType, template.methodName).posHint(method.get()).withArguments(boxedArguments).makePublic().implementing() //
.withStatements(validation.validateParameterOf(method)) //
.withStatements(sanitizer.sanitizeParameterOf(method)) //
.withStatements(method.statements());
if ((template.forcedReturnType == null) && method.returns("void")) {
innerMethod.withStatement(Return(Null()));
}
final MethodDecl methodReplacement = MethodDecl(interfaceType, method.name()).posHint(method.get()).withArguments(arguments).withTypeParameters(method.typeParameters())
.withAnnotations(method.annotations()) //
.withStatement(Return(New(interfaceType).withTypeDeclaration(ClassDecl("").makeAnonymous().makeLocal() //
.withMethod(innerMethod))));
if (method.isStatic()) methodReplacement.makeStatic();
methodReplacement.withAccessLevel(method.accessLevel());
type.editor().injectMethod(methodReplacement);
type.editor().removeMethod(method);
type.editor().rebuild();
}
private List withUnderscoreName(final List arguments) {
final List filtedList = new ArrayList();
for (Argument argument : arguments) {
if (argument.getName().startsWith("_")) filtedList.add(argument);
}
return filtedList;
}
@RequiredArgsConstructor
@Getter
@ToString
public static class TemplateData {
private final String typeName;
private final String methodName;
private final String forcedReturnType;
}
}
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