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.attrib;
  
  import com.taobao.android.dx.cf.code.LineNumberList;
  import com.taobao.android.dx.util.MutabilityException;
  
  /**
   * Attribute class for standard {@code LineNumberTable} attributes.
   */
  public final class AttLineNumberTable extends BaseAttribute {
      /** {@code non-null;} attribute name for attributes of this type */
      public static final String ATTRIBUTE_NAME = "LineNumberTable";
  
      /** {@code non-null;} list of line number entries */
      private final LineNumberList lineNumbers;
  
      /**
       * Constructs an instance.
       *
       * @param lineNumbers {@code non-null;} list of line number entries
       */
      public AttLineNumberTable(LineNumberList lineNumbers) {
          super(ATTRIBUTE_NAME);
  
          try {
              if (lineNumbers.isMutable()) {
                  throw new MutabilityException("lineNumbers.isMutable()");
              }
          } catch (NullPointerException ex) {
              // Translate the exception.
              throw new NullPointerException("lineNumbers == null");
          }
  
          this.lineNumbers = lineNumbers;
      }
  
      /** {@inheritDoc} */
      public int byteLength() {
          return 8 + 4 * lineNumbers.size();
      }
  
      /**
       * Gets the list of "line number" entries associated with this instance.
       *
       * @return {@code non-null;} the list
       */
      public LineNumberList getLineNumbers() {
          return lineNumbers;
      }
  }
  