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.code;
  
  import com.taobao.android.dx.util.Hex;
  import com.taobao.android.dx.util.LabeledList;
  
  /**
   * List of {@link ByteBlock} instances.
   */
  public final class ByteBlockList extends LabeledList {
  
      /**
       * Constructs an instance.
       *
       * @param size {@code >= 0;} the number of elements to be in the list
       */
      public ByteBlockList(int size) {
          super(size);
      }
  
      /**
       * Gets the indicated element. It is an error to call this with the
       * index for an element which was never set; if you do that, this
       * will throw {@code NullPointerException}.
       *
       * @param n {@code >= 0, < size();} which element
       * @return {@code non-null;} the indicated element
       */
      public ByteBlock get(int n) {
          return (ByteBlock) get0(n);
      }
  
      /**
       * Gets the block with the given label.
       *
       * @param label the label to look for
       * @return {@code non-null;} the block with the given label
       */
      public ByteBlock labelToBlock(int label) {
          int idx = indexOfLabel(label);
  
          if (idx < 0) {
              throw new IllegalArgumentException("no such label: "
                      + Hex.u2(label));
          }
  
          return get(idx);
      }
  
      /**
       * Sets the element at the given index.
       *
       * @param n {@code >= 0, < size();} which element
       * @param bb {@code null-ok;} the value to store
       */
      public void set(int n, ByteBlock bb) {
          super.set(n, bb);
      }
  }
  