| /* |
| * Copyright 2003-2010 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.internationalization; |
| |
| import com.intellij.codeInsight.AnnotationUtil; |
| import com.intellij.codeInsight.intention.AddAnnotationPsiFix; |
| import com.intellij.psi.*; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.DelegatingFix; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import com.siyeh.ig.psiutils.MethodCallUtils; |
| import com.siyeh.ig.psiutils.TypeUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class StringEqualsInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "CallToStringEquals"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "string.equals.call.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "string.equals.call.problem.descriptor"); |
| } |
| |
| @Override |
| @NotNull |
| protected InspectionGadgetsFix[] buildFixes(Object... infos) { |
| final PsiMethodCallExpression methodCallExpression = |
| (PsiMethodCallExpression)infos[0]; |
| final List<InspectionGadgetsFix> result = new ArrayList(); |
| final PsiReferenceExpression methodExpression = |
| methodCallExpression.getMethodExpression(); |
| final PsiModifierListOwner annotatableQualifier = |
| NonNlsUtils.getAnnotatableQualifier( |
| methodExpression); |
| if (annotatableQualifier != null) { |
| final InspectionGadgetsFix fix = |
| createAddAnnotationFix(annotatableQualifier); |
| result.add(fix); |
| } |
| final PsiModifierListOwner annotatableArgument = |
| NonNlsUtils.getAnnotatableArgument( |
| methodCallExpression); |
| if (annotatableArgument != null) { |
| final InspectionGadgetsFix fix = |
| createAddAnnotationFix(annotatableArgument); |
| result.add(fix); |
| } |
| return result.toArray(new InspectionGadgetsFix[result.size()]); |
| } |
| |
| private static DelegatingFix createAddAnnotationFix(PsiModifierListOwner annotatableQualifier) { |
| return new DelegatingFix(new AddAnnotationPsiFix( |
| AnnotationUtil.NON_NLS, annotatableQualifier,PsiNameValuePair.EMPTY_ARRAY)); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new StringEqualsVisitor(); |
| } |
| |
| private static class StringEqualsVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression( |
| @NotNull PsiMethodCallExpression expression) { |
| super.visitMethodCallExpression(expression); |
| if (!MethodCallUtils.isEqualsCall(expression)) { |
| return; |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return; |
| } |
| final PsiParameterList paramList = method.getParameterList(); |
| final PsiParameter[] parameters = paramList.getParameters(); |
| final PsiType parameterType = parameters[0].getType(); |
| if (!TypeUtils.isJavaLangObject(parameterType)) { |
| return; |
| } |
| final PsiClass aClass = method.getContainingClass(); |
| if (aClass == null) { |
| return; |
| } |
| final String className = aClass.getQualifiedName(); |
| if (!CommonClassNames.JAVA_LANG_STRING.equals(className)) { |
| return; |
| } |
| final PsiReferenceExpression methodExpression = |
| expression.getMethodExpression(); |
| final PsiExpression qualifier = |
| methodExpression.getQualifierExpression(); |
| if (NonNlsUtils.isNonNlsAnnotated(qualifier)) { |
| return; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| final PsiExpression[] arguments = argumentList.getExpressions(); |
| if (arguments.length != 1) { |
| return; |
| } |
| if (NonNlsUtils.isNonNlsAnnotated(arguments[0])) { |
| return; |
| } |
| registerMethodCallError(expression, expression); |
| } |
| } |
| } |