content: /*
   * 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 com.strobel.assembler.metadata.MethodReference;
  import com.strobel.decompiler.ast.AstCode;
  import com.strobel.decompiler.ast.Expression;
  
  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.Methods;
  import one.util.huntbugs.warning.Role.TypeRole;
  
  /**
   * @author Tagir Valeev
   *
   */
  @WarningDefinition(category="Performance", name="NewForGetClass", maxScore=50)
  public class NewGetClass {
      private static final TypeRole OBJECT_TYPE = TypeRole.forName("OBJECT_TYPE");
  
      @AstVisitor(nodes=AstNodes.EXPRESSIONS)
      public void visit(Expression node, MethodContext ctx) {
          if(node.getCode() == AstCode.InvokeVirtual) {
              MethodReference ref = (MethodReference) node.getOperand();
              if (Methods.isGetClass(ref) && node.getArguments().get(0).getCode() == AstCode.InitObject) {
                  ctx.report("NewForGetClass", 0, node, OBJECT_TYPE.create(ref.getDeclaringType()));
              }
          }
      }
  }
  