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.TypeDefinition;
  import com.strobel.assembler.metadata.TypeReference;
  
  import one.util.huntbugs.registry.ClassContext;
  import one.util.huntbugs.registry.anno.ClassVisitor;
  import one.util.huntbugs.registry.anno.WarningDefinition;
  import one.util.huntbugs.util.Types;
  import one.util.huntbugs.warning.Roles;
  
  /**
   * @author Tagir Valeev
   *
   */
  @WarningDefinition(category = "CodeStyle", name = "RedundantInterface", maxScore = 20)
  public class RedundantInterfaces {
      @ClassVisitor
      public void visit(TypeDefinition td, ClassContext cc) {
          TypeDefinition baseType = td.getBaseType().resolve();
          if(baseType == null || Types.isObject(baseType))
              return;
          for(TypeReference tr : td.getExplicitInterfaces()) {
              if(tr.getInternalName().equals("java/io/Serializable")) {
                  continue;
              }
              if(Types.isInstance(baseType, tr)) {
                  cc.report("RedundantInterface", td.isPublic() ? 0 : 10, Roles.INTERFACE.create(tr));
              }
          }
      }
  }
  