/*
 * 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
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 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.xerces.impl.xs;

import java.util.AbstractList;

import org.apache.xerces.xs.StringList;

StringList implementation for schema error codes and error messages.
Author:Michael Glavassevich, IBM
@xerces.internal
Version:$Id: PSVIErrorList.java 726308 2008-12-13 23:54:09Z mrglavas $
/** * StringList implementation for schema error codes and error messages. * * @xerces.internal * * @author Michael Glavassevich, IBM * * @version $Id: PSVIErrorList.java 726308 2008-12-13 23:54:09Z mrglavas $ */
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; } 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; } public int getLength() { return fLength; } public String item(int index) { if (index < 0 || index >= fLength) { return null; } return fArray[(index << 1) + fOffset]; } /* * List methods */ public Object get(int index) { if (index >= 0 && index < fLength) { return fArray[(index << 1) + fOffset]; } throw new IndexOutOfBoundsException("Index: " + index); } public int size() { return getLength(); } } // class PSVIErrorList