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/*
* Copyright 2016 Federico Tomassetti
*
* 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.github.javaparser.symbolsolver.javaparsermodel.declarations;
import com.github.javaparser.ast.AccessSpecifier;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.expr.ObjectCreationExpr;
import com.github.javaparser.resolution.MethodUsage;
import com.github.javaparser.resolution.declarations.ResolvedMethodDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedParameterDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration;
import com.github.javaparser.resolution.declarations.ResolvedTypeParameterDeclaration;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.symbolsolver.core.resolution.Context;
import com.github.javaparser.symbolsolver.declarations.common.MethodDeclarationCommonLogic;
import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade;
import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFactory;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import java.util.List;
import java.util.stream.Collectors;
import static com.github.javaparser.symbolsolver.javaparser.Navigator.requireParentNode;
/**
* @author Federico Tomassetti
*/
public class JavaParserMethodDeclaration implements ResolvedMethodDeclaration {
private com.github.javaparser.ast.body.MethodDeclaration wrappedNode;
private TypeSolver typeSolver;
public JavaParserMethodDeclaration(com.github.javaparser.ast.body.MethodDeclaration wrappedNode, TypeSolver typeSolver) {
this.wrappedNode = wrappedNode;
this.typeSolver = typeSolver;
}
@Override
public String toString() {
return "JavaParserMethodDeclaration{" +
"wrappedNode=" + wrappedNode +
", typeSolver=" + typeSolver +
'}';
}
@Override
public ResolvedReferenceTypeDeclaration declaringType() {
if (requireParentNode(wrappedNode) instanceof ObjectCreationExpr) {
ObjectCreationExpr parentNode = (ObjectCreationExpr) requireParentNode(wrappedNode);
return new JavaParserAnonymousClassDeclaration(parentNode, typeSolver);
}
return JavaParserFactory.toTypeDeclaration(requireParentNode(wrappedNode), typeSolver);
}
@Override
public ResolvedType getReturnType() {
return JavaParserFacade.get(typeSolver).convert(wrappedNode.getType(), getContext());
}
@Override
public int getNumberOfParams() {
return wrappedNode.getParameters().size();
}
@Override
public ResolvedParameterDeclaration getParam(int i) {
if (i < 0 || i >= getNumberOfParams()) {
throw new IllegalArgumentException(String.format("No param with index %d. Number of params: %d", i, getNumberOfParams()));
}
return new JavaParserParameterDeclaration(wrappedNode.getParameters().get(i), typeSolver);
}
public MethodUsage getUsage(Node node) {
throw new UnsupportedOperationException();
}
public MethodUsage resolveTypeVariables(Context context, List<ResolvedType> parameterTypes) {
return new MethodDeclarationCommonLogic(this, typeSolver).resolveTypeVariables(context, parameterTypes);
}
private Context getContext() {
return JavaParserFactory.getContext(wrappedNode, typeSolver);
}
@Override
public boolean isAbstract() {
return !wrappedNode.getBody().isPresent();
}
@Override
public String getName() {
return wrappedNode.getName().getId();
}
@Override
public boolean isField() {
throw new UnsupportedOperationException();
}
@Override
public boolean isParameter() {
throw new UnsupportedOperationException();
}
@Override
public boolean isType() {
throw new UnsupportedOperationException();
}
@Override
public List<ResolvedTypeParameterDeclaration> getTypeParameters() {
return this.wrappedNode.getTypeParameters().stream().map((astTp) -> new JavaParserTypeParameter(astTp, typeSolver)).collect(Collectors.toList());
}
@Override
public boolean isDefaultMethod() {
return wrappedNode.isDefault();
}
@Override
public boolean isStatic() {
return wrappedNode.isStatic();
}
/**
* Returns the JavaParser node associated with this JavaParserMethodDeclaration.
*
* @return A visitable JavaParser node wrapped by this object.
*/
public com.github.javaparser.ast.body.MethodDeclaration getWrappedNode() {
return wrappedNode;
}
@Override
public AccessSpecifier accessSpecifier() {
return Helper.toAccessLevel(wrappedNode.getModifiers());
}
@Override
public int getNumberOfSpecifiedExceptions() {
return wrappedNode.getThrownExceptions().size();
}
@Override
public ResolvedType getSpecifiedException(int index) {
if (index < 0 || index >= getNumberOfSpecifiedExceptions()) {
throw new IllegalArgumentException(String.format("No exception with index %d. Number of exceptions: %d",
index, getNumberOfSpecifiedExceptions()));
}
return JavaParserFacade.get(typeSolver).convert(wrappedNode.getThrownExceptions()
.get(index), wrappedNode);
}
}
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