content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 mf.org.apache.xerces.impl.xs;
  
  import java.util.AbstractList;
  
  import mf.org.apache.xerces.xs.StringList;
  
  /**
   * StringList implementation for schema error codes and error messages.
   *
   * @author Michael Glavassevich, IBM
   * @version $Id: PSVIErrorList.java 726308 2008-12-13 23:54:09Z mrglavas $
   * @xerces.internal
   */
  final class PSVIErrorList extends AbstractList implements StringList {
  
      private final String[] fArray;
      private final int fLength;
      private final int fOffset;
  
      public PSVIErrorList(String[] array, boolean even) {
          fArray = array;
          fLength = (fArray.length >> 1);
          fOffset = even ? 0 : 1;
      }
  
      @Override
      public boolean contains(String item) {
          if (item == null) {
              for (int i = 0; i < fLength; ++i) {
                  if (fArray[(i << 1) + fOffset] == null) {
                      return true;
                  }
              }
          } else {
              for (int i = 0; i < fLength; ++i) {
                  if (item.equals(fArray[(i << 1) + fOffset])) {
                      return true;
                  }
              }
          }
          return false;
      }
  
      @Override
      public int getLength() {
          return fLength;
      }
  
      @Override
      public String item(int index) {
          if (index < 0 || index >= fLength) {
              return null;
          }
          return fArray[(index << 1) + fOffset];
      }
      
      /*
       * List methods
       */
  
      @Override
      public Object get(int index) {
          if (index >= 0 && index < fLength) {
              return fArray[(index << 1) + fOffset];
          }
          throw new IndexOutOfBoundsException("Index: " + index);
      }
  
      @Override
      public int size() {
          return getLength();
      }
  
  } // class PSVIErrorList
  