| /* |
| * Copyright 2007-2008 Dave Griffith |
| * |
| * 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 org.jetbrains.plugins.groovy.codeInspection.threading; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import org.jetbrains.annotations.Nls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.plugins.groovy.codeInspection.BaseInspection; |
| import org.jetbrains.plugins.groovy.codeInspection.BaseInspectionVisitor; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrSynchronizedStatement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMethod; |
| |
| public class GroovyPublicFieldAccessedInSynchronizedContextInspection |
| extends BaseInspection { |
| |
| @Override |
| @Nls |
| @NotNull |
| public String getGroupDisplayName() { |
| return THREADING_ISSUES; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return "Non-private field accessed in synchronized context"; |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return "Non-private field <code>#ref</code> accessed in synchronized context #loc"; |
| } |
| |
| @NotNull |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new PublicFieldAccessedInSynchronizedContextVisitor(); |
| } |
| |
| private static class PublicFieldAccessedInSynchronizedContextVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitReferenceExpression( |
| @NotNull GrReferenceExpression expression) { |
| final PsiElement element = expression.resolve(); |
| if (!(element instanceof PsiField)) { |
| return; |
| } |
| final PsiField field = (PsiField) element; |
| if (field.hasModifierProperty(PsiModifier.PRIVATE) || |
| field.hasModifierProperty(PsiModifier.FINAL)) { |
| return; |
| } |
| if (!isInSynchronizedContext(expression)) { |
| return; |
| } |
| final PsiClass containingClass = field.getContainingClass(); |
| if (containingClass.hasModifierProperty(PsiModifier.PRIVATE)) { |
| return; |
| } |
| registerError(expression); |
| } |
| |
| private static boolean isInSynchronizedContext(PsiElement element) { |
| final PsiElement context = |
| PsiTreeUtil.getParentOfType(element, GrMethod.class, |
| GrSynchronizedStatement.class); |
| if (context instanceof GrSynchronizedStatement) { |
| return true; |
| } |
| if (context != null) { |
| final PsiModifierListOwner modifierListOwner = |
| (PsiModifierListOwner) context; |
| if (modifierListOwner.hasModifierProperty( |
| PsiModifier.SYNCHRONIZED)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| } |