| /* |
| * Copyright 2010-2012 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.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 com.siyeh.ig.psiutils.ExpressionUtils; |
| import com.siyeh.ig.psiutils.FormatUtils; |
| import org.jetbrains.annotations.Nls; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class StringConcatenationInFormatCallInspection extends BaseInspection { |
| |
| @Nls |
| @NotNull |
| @Override |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("string.concatenation.in.format.call.display.name"); |
| } |
| |
| @NotNull |
| @Override |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("string.concatenation.in.format.call.problem.descriptor"); |
| } |
| |
| @Override |
| protected InspectionGadgetsFix buildFix(Object... infos) { |
| return new StringConcatenationInFormatCallFix(((Boolean)infos[0]).booleanValue()); |
| } |
| |
| private static class StringConcatenationInFormatCallFix extends InspectionGadgetsFix { |
| |
| |
| private final boolean myPlural; |
| |
| public StringConcatenationInFormatCallFix(boolean plural) { |
| myPlural = plural; |
| } |
| |
| @Override |
| @NotNull |
| public String getName() { |
| if (myPlural) { |
| return InspectionGadgetsBundle.message("string.concatenation.in.format.call.plural.quickfix"); |
| } |
| else { |
| return InspectionGadgetsBundle.message("string.concatenation.in.format.call.quickfix"); |
| } |
| } |
| |
| @NotNull |
| @Override |
| public String getFamilyName() { |
| return InspectionGadgetsBundle.message("string.concatenation.in.format.call.plural.quickfix"); |
| } |
| |
| @Override |
| protected void doFix(Project project, ProblemDescriptor descriptor) throws IncorrectOperationException { |
| final PsiElement element = descriptor.getPsiElement().getParent().getParent(); |
| if (!(element instanceof PsiMethodCallExpression)) { |
| return; |
| } |
| final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression)element; |
| final PsiExpressionList argumentList = methodCallExpression.getArgumentList(); |
| final PsiExpression formatArgument = FormatUtils.getFormatArgument(argumentList); |
| if (!(formatArgument instanceof PsiPolyadicExpression)) { |
| return; |
| } |
| final PsiPolyadicExpression polyadicExpression = (PsiPolyadicExpression)formatArgument; |
| final StringBuilder newExpression = new StringBuilder(); |
| final PsiExpression[] operands = polyadicExpression.getOperands(); |
| for (PsiExpression operand : operands) { |
| if (operand instanceof PsiReferenceExpression) { |
| argumentList.add(operand); |
| continue; |
| } |
| final PsiJavaToken token = polyadicExpression.getTokenBeforeOperand(operand); |
| if (token != null) { |
| newExpression.append(token.getText()); |
| } |
| newExpression.append(operand.getText()); |
| } |
| PsiReplacementUtil.replaceExpression(polyadicExpression, newExpression.toString()); |
| } |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new StringConcatenationInFormatCallVisitor(); |
| } |
| |
| private static class StringConcatenationInFormatCallVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression(PsiMethodCallExpression expression) { |
| super.visitMethodCallExpression(expression); |
| if (!FormatUtils.isFormatCall(expression)) { |
| return; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| final PsiExpression formatArgument = FormatUtils.getFormatArgument(argumentList); |
| if (!ExpressionUtils.hasStringType(formatArgument)) { |
| return; |
| } |
| if (!(formatArgument instanceof PsiPolyadicExpression)) { |
| return; |
| } |
| final PsiPolyadicExpression polyadicExpression = (PsiPolyadicExpression)formatArgument; |
| final PsiExpression[] operands = polyadicExpression.getOperands(); |
| int count = 0; |
| for (final PsiExpression operand : operands) { |
| if (!(operand instanceof PsiReferenceExpression)) { |
| continue; |
| } |
| count++; |
| if (count > 1) { |
| break; |
| } |
| } |
| if (count == 0) { |
| return; |
| } |
| registerMethodCallError(expression, Boolean.valueOf(count > 1)); |
| } |
| } |
| } |