| /* |
| * 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.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class SystemPropertiesInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "AccessOfSystemProperties"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "system.properties.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| final boolean isGetSystemProperty = |
| ((Boolean)infos[0]).booleanValue(); |
| final boolean isIntegerGetInteger = |
| ((Boolean)infos[1]).booleanValue(); |
| if (isGetSystemProperty) { |
| return InspectionGadgetsBundle.message( |
| "system.set.problem.descriptor"); |
| } |
| else if (isIntegerGetInteger) { |
| return InspectionGadgetsBundle.message( |
| "system.properties.problem.descriptor"); |
| } |
| else { |
| return InspectionGadgetsBundle.message( |
| "system.properties.problem.descriptor1"); |
| } |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new SystemPropertiesVisitor(); |
| } |
| |
| private static class SystemPropertiesVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression( |
| @NotNull PsiMethodCallExpression expression) { |
| super.visitMethodCallExpression(expression); |
| final boolean isGetSystemProperty = isGetSystemProperty(expression); |
| final boolean isIntegerGetInteger = isIntegerGetInteger(expression); |
| final boolean isBooleanGetBoolean = isBooleanGetBoolean(expression); |
| if (!(isGetSystemProperty || isIntegerGetInteger || |
| isBooleanGetBoolean)) { |
| return; |
| } |
| registerMethodCallError(expression, |
| Boolean.valueOf(isGetSystemProperty), |
| Boolean.valueOf(isIntegerGetInteger)); |
| } |
| |
| private static boolean isGetSystemProperty( |
| PsiMethodCallExpression expression) { |
| final PsiReferenceExpression methodExpression = |
| expression.getMethodExpression(); |
| @NonNls final String methodName = |
| methodExpression.getReferenceName(); |
| if (!"getProperty".equals(methodName) |
| && !"getProperties".equals(methodName) |
| && !"setProperty".equals(methodName) |
| && !"setProperties".equals(methodName) |
| && !"clearProperties".equals(methodName) |
| ) { |
| return false; |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return false; |
| } |
| final PsiClass aClass = method.getContainingClass(); |
| if (aClass == null) { |
| return false; |
| } |
| final String className = aClass.getQualifiedName(); |
| if (className == null) { |
| return false; |
| } |
| return "java.lang.System".equals(className); |
| } |
| |
| private static boolean isIntegerGetInteger( |
| PsiMethodCallExpression expression) { |
| final PsiReferenceExpression methodExpression = |
| expression.getMethodExpression(); |
| @NonNls final String methodName = |
| methodExpression.getReferenceName(); |
| if (!"getInteger".equals(methodName)) { |
| return false; |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return false; |
| } |
| final PsiClass aClass = method.getContainingClass(); |
| if (aClass == null) { |
| return false; |
| } |
| final String className = aClass.getQualifiedName(); |
| if (className == null) { |
| return false; |
| } |
| return CommonClassNames.JAVA_LANG_INTEGER.equals(className); |
| } |
| |
| private static boolean isBooleanGetBoolean( |
| PsiMethodCallExpression expression) { |
| final PsiReferenceExpression methodExpression = |
| expression.getMethodExpression(); |
| @NonNls final String methodName = |
| methodExpression.getReferenceName(); |
| if (!"getBoolean".equals(methodName)) { |
| return false; |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return false; |
| } |
| final PsiClass aClass = method.getContainingClass(); |
| if (aClass == null) { |
| return false; |
| } |
| final String className = aClass.getQualifiedName(); |
| if (className == null) { |
| return false; |
| } |
| return CommonClassNames.JAVA_LANG_BOOLEAN.equals(className); |
| } |
| } |
| } |