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;
  
  /**
   * Interface for lists of attributes.
   */
  public interface AttributeList {
      /**
       * Get whether this instance is mutable. Note that the
       * {@code AttributeList} interface itself doesn't provide any means
       * of mutation, but that doesn't mean that there isn't a non-interface
       * way of mutating an instance.
       *
       * @return {@code true} iff this instance is somehow mutable
       */
      public boolean isMutable();
  
      /**
       * Get the number of attributes in the list.
       *
       * @return the size
       */
      public int size();
  
      /**
       * Get the {@code n}th attribute.
       *
       * @param n {@code n >= 0, n < size();} which attribute
       * @return {@code non-null;} the attribute in question
       */
      public Attribute get(int n);
  
      /**
       * Get the total length of this list in bytes, when part of a
       * class file. The returned value includes the two bytes for the
       * {@code attributes_count} length indicator.
       *
       * @return {@code >= 2;} the total length, in bytes
       */
      public int byteLength();
  
      /**
       * Get the first attribute in the list with the given name, if any.
       *
       * @param name {@code non-null;} attribute name
       * @return {@code null-ok;} first attribute in the list with the given name,
       * or {@code null} if there is none
       */
      public Attribute findFirst(String name);
  
      /**
       * Get the next attribute in the list after the given one, with the same
       * name, if any.
       *
       * @param attrib {@code non-null;} attribute to start looking after
       * @return {@code null-ok;} next attribute after {@code attrib} with the
       * same name as {@code attrib}
       */
      public Attribute findNext(Attribute attrib);
  }
  