| /* |
| * Copyright 2003-2011 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.security; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.ConstantExpressionUtil; |
| import com.intellij.psi.util.InheritanceUtil; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class JDBCExecuteWithNonConstantStringInspection |
| extends BaseInspection { |
| |
| /** |
| * @noinspection StaticCollection |
| */ |
| @NonNls private static final Set<String> s_execMethodNames = |
| new HashSet<String>(4); |
| |
| static { |
| s_execMethodNames.add("execute"); |
| s_execMethodNames.add("executeQuery"); |
| s_execMethodNames.add("executeUpdate"); |
| s_execMethodNames.add("addBatch"); |
| } |
| |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "jdbc.execute.with.non.constant.string.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "jdbc.execute.with.non.constant.string.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new RuntimeExecVisitor(); |
| } |
| |
| private static class RuntimeExecVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression( |
| @NotNull PsiMethodCallExpression expression) { |
| super.visitMethodCallExpression(expression); |
| final PsiReferenceExpression methodExpression = expression |
| .getMethodExpression(); |
| final String methodName = methodExpression.getReferenceName(); |
| if (!s_execMethodNames.contains(methodName)) { |
| return; |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return; |
| } |
| final PsiClass aClass = method.getContainingClass(); |
| if (aClass == null) { |
| return; |
| } |
| if (!InheritanceUtil.isInheritor(aClass, "java.sql.Statement")) { |
| return; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| final PsiExpression[] args = argumentList.getExpressions(); |
| if (args.length == 0) { |
| return; |
| } |
| final PsiExpression arg = args[0]; |
| final PsiType type = arg.getType(); |
| if (type == null) { |
| return; |
| } |
| final String typeText = type.getCanonicalText(); |
| if (!CommonClassNames.JAVA_LANG_STRING.equals(typeText)) { |
| return; |
| } |
| final String stringValue = |
| (String)ConstantExpressionUtil.computeCastTo(arg, type); |
| if (stringValue != null) { |
| return; |
| } |
| registerMethodCallError(expression); |
| } |
| } |
| } |