/* * Copyright 2016 HuntBugs contributors * * 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 one.util.huntbugs.detect; import java.lang.annotation.RetentionPolicy; import com.strobel.assembler.metadata.MethodReference; import com.strobel.assembler.metadata.TypeReference; import com.strobel.decompiler.ast.AstCode; import com.strobel.decompiler.ast.Expression; import one.util.huntbugs.db.DeclaredAnnotations; import one.util.huntbugs.db.DeclaredAnnotations.DeclaredAnnotation; import one.util.huntbugs.registry.MethodContext; import one.util.huntbugs.registry.anno.AstNodes; import one.util.huntbugs.registry.anno.AstVisitor; import one.util.huntbugs.registry.anno.WarningDefinition; import one.util.huntbugs.util.Nodes; import one.util.huntbugs.warning.Role.TypeRole; /** * @author Tagir Valeev * */ @WarningDefinition(category = "Correctness", name = "AnnotationNoRuntimeRetention", maxScore = 75) public class NoRuntimeRetention { private static final TypeRole ANNOTATION = TypeRole.forName("ANNOTATION"); @AstVisitor(nodes = AstNodes.EXPRESSIONS) public void visit(Expression expr, MethodContext mc, DeclaredAnnotations da) { if (expr.getCode() == AstCode.InvokeVirtual && expr.getArguments().size() == 2) { MethodReference mr = (MethodReference) expr.getOperand(); if ((mr.getDeclaringType().getInternalName().startsWith("java/lang/reflect/") || mr.getDeclaringType() .getInternalName().equals("java/lang/Class")) && mr.getName().contains("Annotation")) { Object constant = Nodes.getConstant(expr.getArguments().get(1)); if (constant instanceof TypeReference) { TypeReference tr = (TypeReference) constant; DeclaredAnnotation annot = da.get(tr); if (annot != null && annot.getPolicy() != RetentionPolicy.RUNTIME) { mc.report("AnnotationNoRuntimeRetention", 0, expr, ANNOTATION.create(tr)); } } } } } }