1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  */
   4 /*
   5  * Licensed to the Apache Software Foundation (ASF) under one or more
   6  * contributor license agreements.  See the NOTICE file distributed with
   7  * this work for additional information regarding copyright ownership.
   8  * The ASF licenses this file to You under the Apache License, Version 2.0
   9  * (the "License"); you may not use this file except in compliance with
  10  * the License.  You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 
  21 package com.sun.org.apache.xerces.internal.xs.datatypes;
  22 
  23 import com.sun.org.apache.xerces.internal.xs.XSException;
  24 import java.util.List;
  25 
  26 /**
  27  * <p>The <code>ByteList</code> is an immutable ordered collection of
  28  * <code>byte</code>.</p>
  29  *
  30  * @author Ankit Pasricha, IBM
  31  *
  32  * @LastModified: Oct 2017
  33  */
  34 public interface ByteList extends List<Byte> {
  35 
  36     /**
  37      * The number of <code>byte</code>s in the list. The range of
  38      * valid child object indices is 0 to <code>length-1</code> inclusive.
  39      */
  40     public int getLength();
  41 
  42     /**
  43      * Checks if the <code>byte</code> <code>item</code> is a
  44      * member of this list.
  45      * @param item  <code>byte</code> whose presence in this list
  46      *   is to be tested.
  47      * @return  True if this list contains the <code>byte</code>
  48      *   <code>item</code>.
  49      */
  50     public boolean contains(byte item);
  51 
  52     /**
  53      * Returns the <code>index</code>th item in the collection. The index
  54      * starts at 0.
  55      * @param index  index into the collection.
  56      * @return  The <code>byte</code> at the <code>index</code>th
  57      *   position in the <code>ByteList</code>.
  58      * @exception XSException
  59      *   INDEX_SIZE_ERR: if <code>index</code> is greater than or equal to the
  60      *   number of objects in the list or less than zero.
  61      */
  62     public byte item(int index) throws XSException;
  63 
  64     /**
  65      * Construct and return a byte array for bytes contained in this list.
  66      */
  67     public byte[] toByteArray();
  68 }