content: /*
   * Copyright (C) 2007 The Android Open Source Project
   *
   * 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.taobao.android.dx.cf.iface;
  
  import com.taobao.android.dx.cf.attrib.AttConstantValue;
  import com.taobao.android.dx.rop.cst.CstNat;
  import com.taobao.android.dx.rop.cst.CstType;
  import com.taobao.android.dx.rop.cst.TypedConstant;
  
  /**
   * Standard implementation of {@link Field}, which directly stores
   * all the associated data.
   */
  public final class StdField extends StdMember implements Field {
      /**
       * Constructs an instance.
       *
       * @param definingClass {@code non-null;} the defining class
       * @param accessFlags access flags
       * @param nat {@code non-null;} member name and type (descriptor)
       * @param attributes {@code non-null;} list of associated attributes
       */
      public StdField(CstType definingClass, int accessFlags, CstNat nat,
                      AttributeList attributes) {
          super(definingClass, accessFlags, nat, attributes);
      }
  
      /** {@inheritDoc} */
      public TypedConstant getConstantValue() {
          AttributeList attribs = getAttributes();
          AttConstantValue cval = (AttConstantValue)
              attribs.findFirst(AttConstantValue.ATTRIBUTE_NAME);
  
          if (cval == null) {
              return null;
          }
  
          return cval.getConstantValue();
      }
  }
  