| /* |
| * Copyright 2000-2014 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.resources; |
| |
| import com.intellij.openapi.util.InvalidDataException; |
| import com.intellij.openapi.util.WriteExternalException; |
| import com.intellij.psi.*; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.psiutils.TypeUtils; |
| import org.jdom.Element; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class IOResourceInspectionBase extends ResourceInspection { |
| protected static final String[] IO_TYPES = |
| { |
| "java.io.InputStream", "java.io.OutputStream", "java.io.Reader", "java.io.Writer", |
| "java.io.RandomAccessFile", "java.util.zip.ZipFile" |
| }; |
| final List<String> ignoredTypes = new ArrayList(); |
| |
| public IOResourceInspectionBase() { |
| parseString(ignoredTypesString, ignoredTypes); |
| } |
| |
| @NonNls |
| @SuppressWarnings({"PublicField"}) |
| public String ignoredTypesString = "java.io.ByteArrayOutputStream" + |
| ',' + "java.io.ByteArrayInputStream" + |
| ',' + "java.io.StringBufferInputStream" + |
| ',' + "java.io.CharArrayWriter" + |
| ',' + "java.io.CharArrayReader" + |
| ',' + "java.io.StringWriter" + |
| ',' + "java.io.StringReader"; |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "IOResourceOpenedButNotSafelyClosed"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("i.o.resource.opened.not.closed.display.name"); |
| } |
| |
| @Override |
| public void readSettings(@NotNull Element element) throws InvalidDataException { |
| super.readSettings(element); |
| parseString(ignoredTypesString, ignoredTypes); |
| } |
| |
| @Override |
| public void writeSettings(@NotNull Element element) throws WriteExternalException { |
| ignoredTypesString = formatString(ignoredTypes); |
| super.writeSettings(element); |
| } |
| |
| @Override |
| public boolean isResourceCreation(PsiExpression expression) { |
| if (expression instanceof PsiNewExpression) { |
| return TypeUtils.expressionHasTypeOrSubtype(expression, IO_TYPES) != null && !isIgnoredType(expression); |
| } |
| else if (expression instanceof PsiMethodCallExpression) { |
| final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression)expression; |
| final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression(); |
| @NonNls final String methodName = methodExpression.getReferenceName(); |
| if (!"getResourceAsStream".equals(methodName)) { |
| return false; |
| } |
| final PsiExpression qualifier = methodExpression.getQualifierExpression(); |
| if (qualifier == null || |
| TypeUtils.expressionHasTypeOrSubtype(qualifier, CommonClassNames.JAVA_LANG_CLASS, "java.lang.ClassLoader") == null) { |
| return false; |
| } |
| return TypeUtils.expressionHasTypeOrSubtype(expression, "java.io.InputStream"); |
| } |
| return false; |
| } |
| |
| private boolean isIgnoredType(PsiExpression expression) { |
| return TypeUtils.expressionHasTypeOrSubtype(expression, ignoredTypes); |
| } |
| } |