| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * 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.errorhandling; |
| |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiExpression; |
| import com.intellij.psi.PsiThrowStatement; |
| import com.intellij.psi.PsiType; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.ui.ExternalizableStringSet; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.List; |
| |
| public class BadExceptionThrownInspectionBase extends BaseInspection { |
| @SuppressWarnings("PublicField") |
| public String exceptionsString = ""; |
| |
| @SuppressWarnings("PublicField") |
| public final ExternalizableStringSet exceptions = |
| new ExternalizableStringSet( |
| "java.lang.Throwable", |
| "java.lang.Exception", |
| "java.lang.Error", |
| "java.lang.RuntimeException", |
| "java.lang.NullPointerException", |
| "java.lang.ClassCastException", |
| "java.lang.ArrayIndexOutOfBoundsException" |
| ); |
| |
| public BadExceptionThrownInspectionBase() { |
| if (!exceptionsString.isEmpty()) { |
| exceptions.clear(); |
| final List<String> strings = |
| StringUtil.split(exceptionsString, ","); |
| for (String string : strings) { |
| exceptions.add(string); |
| } |
| exceptionsString = ""; |
| } |
| } |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "ProhibitedExceptionThrown"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "bad.exception.thrown.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| final PsiType type = (PsiType)infos[0]; |
| final String exceptionName = type.getPresentableText(); |
| return InspectionGadgetsBundle.message( |
| "bad.exception.thrown.problem.descriptor", exceptionName); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new BadExceptionThrownVisitor(); |
| } |
| |
| private class BadExceptionThrownVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitThrowStatement(PsiThrowStatement statement) { |
| super.visitThrowStatement(statement); |
| final PsiExpression exception = statement.getException(); |
| if (exception == null) { |
| return; |
| } |
| final PsiType type = exception.getType(); |
| if (type == null) { |
| return; |
| } |
| final String text = type.getCanonicalText(); |
| if (exceptions.contains(text)) { |
| registerStatementError(statement, type); |
| } |
| } |
| } |
| } |