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.dex.file;
  
  import com.taobao.android.dex.DexFormat;
  import com.taobao.android.dex.DexIndexOverflowException;
  import com.taobao.android.dx.command.dexer.Main;
  
  import java.util.Formatter;
  import java.util.Map;
  import java.util.TreeMap;
  import java.util.concurrent.atomic.AtomicInteger;
  
  /**
   * Member (field or method) refs list section of a {@code .dex} file.
   */
  public abstract class MemberIdsSection extends UniformItemSection {
  
      /**
       * Constructs an instance. The file offset is initially unknown.
       *
       * @param name {@code null-ok;} the name of this instance, for annotation
       * purposes
       * @param file {@code non-null;} file that this instance is part of
       */
      public MemberIdsSection(String name, DexFile file) {
          super(name, file, 4);
      }
  
      /** {@inheritDoc} */
      @Override
      protected void orderItems() {
          int idx = 0;
  
          if (items().size() > DexFormat.MAX_MEMBER_IDX + 1) {
              throw new DexIndexOverflowException(getTooManyMembersMessage());
          }
  
          for (Object i : items()) {
              ((MemberIdItem) i).setIndex(idx);
              idx++;
          }
      }
  
      private String getTooManyMembersMessage() {
          Map<String, AtomicInteger> membersByPackage = new TreeMap<String, AtomicInteger>();
          for (Object member : items()) {
              String packageName = ((MemberIdItem) member).getDefiningClass().getPackageName();
              AtomicInteger count = membersByPackage.get(packageName);
              if (count == null) {
                  count = new AtomicInteger();
                  membersByPackage.put(packageName, count);
              }
              count.incrementAndGet();
          }
  
          Formatter formatter = new Formatter();
          try {
              String memberType = this instanceof MethodIdsSection ? "method" : "field";
              formatter.format("Too many %s references: %d; max is %d.%n" +
                      new Main().getTooManyIdsErrorMessage() + "%n" +
                      "References by package:",
                      memberType, items().size(), DexFormat.MAX_MEMBER_IDX + 1);
              for (Map.Entry<String, AtomicInteger> entry : membersByPackage.entrySet()) {
                  formatter.format("%n%6d %s", entry.getValue().get(), entry.getKey());
              }
              return formatter.toString();
          } finally {
              formatter.close();
          }
      }
  
  }
  