| /* |
| * Copyright 2011 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.modularization; |
| |
| import com.intellij.analysis.AnalysisScope; |
| import com.intellij.codeInspection.CommonProblemDescriptor; |
| import com.intellij.codeInspection.GlobalInspectionContext; |
| import com.intellij.codeInspection.InspectionManager; |
| import com.intellij.codeInspection.ProblemHighlightType; |
| import com.intellij.codeInspection.reference.RefClass; |
| import com.intellij.codeInspection.reference.RefEntity; |
| import com.intellij.codeInspection.reference.RefModule; |
| import com.intellij.codeInspection.reference.RefPackage; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiIdentifier; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseGlobalInspection; |
| import com.siyeh.ig.dependency.DependencyUtils; |
| import org.jetbrains.annotations.Nls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Set; |
| |
| public class ClassOnlyUsedInOneModuleInspection extends BaseGlobalInspection { |
| |
| @Nls |
| @NotNull |
| @Override |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "class.only.used.in.one.module.display.name"); |
| } |
| |
| @Nullable |
| @Override |
| public CommonProblemDescriptor[] checkElement( |
| @NotNull RefEntity refEntity, |
| @NotNull AnalysisScope scope, |
| @NotNull InspectionManager manager, |
| @NotNull GlobalInspectionContext globalContext) { |
| if (!(refEntity instanceof RefClass)) { |
| return null; |
| } |
| final RefClass refClass = (RefClass)refEntity; |
| final RefEntity owner = refClass.getOwner(); |
| if (!(owner instanceof RefPackage)) { |
| return null; |
| } |
| final Set<RefClass> dependencies = |
| DependencyUtils.calculateDependenciesForClass(refClass); |
| RefModule otherModule = null; |
| for (RefClass dependency : dependencies) { |
| final RefModule module = dependency.getModule(); |
| if (refClass.getModule() == module) { |
| return null; |
| } |
| if (otherModule != module) { |
| if (otherModule == null) { |
| otherModule = module; |
| } |
| else { |
| return null; |
| } |
| } |
| } |
| final Set<RefClass> dependents = |
| DependencyUtils.calculateDependentsForClass(refClass); |
| for (RefClass dependent : dependents) { |
| final RefModule module = dependent.getModule(); |
| if (refClass.getModule() == module) { |
| return null; |
| } |
| if (otherModule != module) { |
| if (otherModule == null) { |
| otherModule = module; |
| } |
| else { |
| return null; |
| } |
| } |
| } |
| if (otherModule == null) { |
| return null; |
| } |
| final PsiClass aClass = refClass.getElement(); |
| final PsiIdentifier identifier = aClass.getNameIdentifier(); |
| if (identifier == null) { |
| return null; |
| } |
| final String moduleName = otherModule.getName(); |
| return new CommonProblemDescriptor[]{ |
| manager.createProblemDescriptor(identifier, |
| InspectionGadgetsBundle.message( |
| "class.only.used.in.one.module.problem.descriptor", |
| moduleName), |
| true, ProblemHighlightType.GENERIC_ERROR_OR_WARNING, false) |
| }; |
| } |
| } |