1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * @LastModified: Oct 2017 4 */ 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22 package com.sun.org.apache.xerces.internal.impl.xs; 23 24 import com.sun.org.apache.xerces.internal.xs.StringList; 25 import java.util.AbstractList; 26 27 /** 28 * StringList implementation for schema error codes and error messages. 29 * 30 * @xerces.internal 31 * 32 * @author Michael Glavassevich, IBM 33 * 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