| /* |
| * Copyright 2003-2007 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.controlflow; |
| |
| import com.intellij.psi.PsiCodeBlock; |
| import com.intellij.psi.PsiStatement; |
| import com.intellij.psi.PsiSwitchLabelStatement; |
| import com.intellij.psi.PsiSwitchStatement; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class DefaultNotLastCaseInSwitchInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "default.not.last.case.in.switch.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "default.not.last.case.in.switch.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new DefaultNotLastCaseInSwitchVisitor(); |
| } |
| |
| private static class DefaultNotLastCaseInSwitchVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitSwitchStatement( |
| @NotNull PsiSwitchStatement statement) { |
| super.visitSwitchStatement(statement); |
| final PsiCodeBlock body = statement.getBody(); |
| if (body == null) { |
| return; |
| } |
| final PsiStatement[] statements = body.getStatements(); |
| boolean labelSeen = false; |
| for (int i = statements.length - 1; i >= 0; i--) { |
| final PsiStatement child = statements[i]; |
| if (child instanceof PsiSwitchLabelStatement) { |
| final PsiSwitchLabelStatement label = |
| (PsiSwitchLabelStatement)child; |
| if (label.isDefaultCase()) { |
| if (labelSeen) { |
| registerStatementError(label); |
| } |
| return; |
| } |
| else { |
| labelSeen = true; |
| } |
| } |
| } |
| } |
| } |
| } |