content: /*
   * Copyright 1999-2012 Alibaba Group.
   *  
   * 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.
   */
  /**
   * (created at 2011-1-4)
   */
  package com.alibaba.cobar.parser.util;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  /**
   * @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
   */
  public final class ListUtil {
  
      @SuppressWarnings("rawtypes")
      public static List<?> createList(Object... objs) {
          return createList(new ArrayList(), objs);
      }
  
      @SuppressWarnings({ "rawtypes", "unchecked" })
      public static List<?> createList(List list, Object... objs) {
          if (objs != null) {
              for (Object obj : objs) {
                  list.add(obj);
              }
          }
          return list;
      }
  
      public static boolean isEquals(List<? extends Object> l1, List<? extends Object> l2) {
          if (l1 == l2)
              return true;
          if (l1 == null)
              return l2 == null;
          if (l2 == null)
              return false;
          if (l1.size() != l2.size())
              return false;
          Iterator<? extends Object> iter1 = l1.iterator();
          Iterator<? extends Object> iter2 = l2.iterator();
          while (iter1.hasNext()) {
              Object o1 = iter1.next();
              Object o2 = iter2.next();
              if (o1 == o2)
                  continue;
              if (o1 == null && o2 != null)
                  return false;
              if (!o1.equals(o2))
                  return false;
          }
          return true;
      }
  
  }
  