| /* |
| * Copyright 2003-2014 Dave Griffith, Bas Leijdekkers |
| * |
| * 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.siyeh.ig.bugs; |
| |
| import com.intellij.codeInspection.CleanupLocalInspectionTool; |
| import com.intellij.codeInspection.ProblemDescriptor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.util.IncorrectOperationException; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import com.siyeh.ig.PsiReplacementUtil; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class StaticCallOnSubclassInspection extends BaseInspection implements CleanupLocalInspectionTool { |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "StaticMethodReferencedViaSubclass"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "static.method.via.subclass.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| final PsiClass declaringClass = (PsiClass)infos[0]; |
| final PsiClass referencedClass = (PsiClass)infos[1]; |
| return InspectionGadgetsBundle.message( |
| "static.method.via.subclass.problem.descriptor", |
| declaringClass.getQualifiedName(), referencedClass.getQualifiedName()); |
| } |
| |
| @Override |
| protected InspectionGadgetsFix buildFix(Object... infos) { |
| return new StaticCallOnSubclassFix(); |
| } |
| |
| private static class StaticCallOnSubclassFix extends InspectionGadgetsFix { |
| |
| @Override |
| @NotNull |
| public String getName() { |
| return InspectionGadgetsBundle.message("static.method.via.subclass.rationalize.quickfix"); |
| } |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| @Override |
| public void doFix(Project project, ProblemDescriptor descriptor) |
| throws IncorrectOperationException { |
| final PsiIdentifier name = (PsiIdentifier)descriptor.getPsiElement(); |
| final PsiReferenceExpression expression = (PsiReferenceExpression)name.getParent(); |
| if (expression == null) { |
| return; |
| } |
| final PsiMethodCallExpression call = (PsiMethodCallExpression)expression.getParent(); |
| final String methodName = expression.getReferenceName(); |
| if (call == null) { |
| return; |
| } |
| final PsiMethod method = call.resolveMethod(); |
| if (method == null) { |
| return; |
| } |
| final PsiClass containingClass = method.getContainingClass(); |
| final PsiExpressionList argumentList = call.getArgumentList(); |
| if (containingClass == null) { |
| return; |
| } |
| final String containingClassName = containingClass.getQualifiedName(); |
| final String argText = argumentList.getText(); |
| PsiReplacementUtil.replaceExpressionAndShorten(call, containingClassName + '.' + call.getTypeArgumentList().getText() + methodName + argText); |
| } |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new StaticCallOnSubclassVisitor(); |
| } |
| |
| private static class StaticCallOnSubclassVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression( |
| @NotNull PsiMethodCallExpression call) { |
| super.visitMethodCallExpression(call); |
| final PsiReferenceExpression methodExpression = |
| call.getMethodExpression(); |
| final PsiElement qualifier = methodExpression.getQualifier(); |
| if (!(qualifier instanceof PsiReferenceExpression)) { |
| return; |
| } |
| final PsiMethod method = call.resolveMethod(); |
| if (method == null) { |
| return; |
| } |
| if (!method.hasModifierProperty(PsiModifier.STATIC)) { |
| return; |
| } |
| final PsiElement referent = ((PsiReference)qualifier).resolve(); |
| if (!(referent instanceof PsiClass)) { |
| return; |
| } |
| final PsiClass referencedClass = (PsiClass)referent; |
| final PsiClass declaringClass = method.getContainingClass(); |
| if (declaringClass == null) { |
| return; |
| } |
| if (declaringClass.equals(referencedClass)) { |
| return; |
| } |
| final PsiResolveHelper resolveHelper = JavaPsiFacade.getInstance(call.getProject()).getResolveHelper(); |
| if (!resolveHelper.isAccessible(declaringClass, call, null)) { |
| return; |
| } |
| registerMethodCallError(call, declaringClass, referencedClass); |
| } |
| } |
| } |