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.impl.xs; 22 23 import com.sun.org.apache.xerces.internal.xs.StringList; 24 import java.util.AbstractList; 25 26 /** 27 * StringList implementation for schema error codes and error messages. 28 * 29 * @xerces.internal 30 * 31 * @author Michael Glavassevich, IBM 32 * 33 * @LastModified: Oct 2017 34 */ 35 final class PSVIErrorList extends AbstractList<String> implements StringList { 36 37 private final String[] fArray; 38 private final int fLength; 39 private final int fOffset; 40 41 public PSVIErrorList(String[] array, boolean even) { 42 fArray = array; 43 fLength = (fArray.length >> 1); 44 fOffset = even ? 0 : 1; 45 } 46 47 public boolean contains(String item) { 48 if (item == null) { 49 for (int i = 0; i < fLength; ++i) { 50 if (fArray[(i << 1) + fOffset] == null) { 51 return true; 52 } 53 } 54 } 55 else { 56 for (int i = 0; i < fLength; ++i) { 57 if (item.equals(fArray[(i << 1) + fOffset])) { 58 return true; 59 } 60 } 61 } 62 return false; 63 } 64 65 public int getLength() { 66 return fLength; 67 } 68 69 public String item(int index) { 70 if (index < 0 || index >= fLength) { 71 return null; 72 } 73 return fArray[(index << 1) + fOffset]; 74 } 75 76 /* 77 * List methods 78 */ 79 80 public String get(int index) { 81 if (index >= 0 && index < fLength) { 82 return fArray[(index << 1) + fOffset]; 83 } 84 throw new IndexOutOfBoundsException("Index: " + index); 85 } 86 87 public int size() { 88 return getLength(); 89 } 90 91 } // class PSVIErrorList