| 1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org |
| 2 | * |
| 3 | * Copyright 2000-2014, Michael Meyling <mime@qedeq.org>. |
| 4 | * |
| 5 | * "Hilbert II" is free software; you can redistribute |
| 6 | * it and/or modify it under the terms of the GNU General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | |
| 16 | package org.qedeq.kernel.se.common; |
| 17 | |
| 18 | import java.util.ArrayList; |
| 19 | import java.util.List; |
| 20 | |
| 21 | import org.qedeq.base.utility.EqualsUtility; |
| 22 | |
| 23 | |
| 24 | /** |
| 25 | * Type save {@link org.qedeq.kernel.se.common.SourceFileException} list. |
| 26 | * |
| 27 | * @author Michael Meyling |
| 28 | */ |
| 29 | public class SourceFileExceptionList extends Exception { |
| 30 | |
| 31 | /** List with parse exceptions. */ |
| 32 | private final List exceptions = new ArrayList(); |
| 33 | |
| 34 | /** |
| 35 | * Constructor. |
| 36 | */ |
| 37 | public SourceFileExceptionList() { |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Constructor. |
| 42 | * |
| 43 | * @param e Wrap me. |
| 44 | */ |
| 45 | public SourceFileExceptionList(final SourceFileException e) { |
| 46 | if (e != null) { |
| 47 | add(e); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Constructor. |
| 53 | * |
| 54 | * @param e Wrap me. |
| 55 | */ |
| 56 | public SourceFileExceptionList(final SourceFileExceptionList e) { |
| 57 | if (e != null) { |
| 58 | for (int i = 0; i < e.size(); i++) { |
| 59 | add(e.get(i)); |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Clear list. |
| 66 | */ |
| 67 | public void clear() { |
| 68 | exceptions.clear(); |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Add exception. If we get <code>null</code> we do nothing. |
| 73 | * |
| 74 | * @param e Exception to add. |
| 75 | */ |
| 76 | public void add(final SourceFileException e) { |
| 77 | if (e == null) { |
| 78 | return; |
| 79 | } |
| 80 | if (size() == 0) { |
| 81 | initCause(e); |
| 82 | } |
| 83 | if (!exceptions.contains(e)) { |
| 84 | exceptions.add(e); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Add exceptions of given list if they are not already included. If we get <code>null</code> we do nothing. |
| 90 | * |
| 91 | * @param e Add exceptions of this list. |
| 92 | */ |
| 93 | public void add(final SourceFileExceptionList e) { |
| 94 | if (e == null) { |
| 95 | return; |
| 96 | } |
| 97 | for (int i = 0; i < e.size(); i++) { |
| 98 | if (size() == 0) { |
| 99 | initCause(e.get(i)); |
| 100 | } |
| 101 | if (!exceptions.contains(e.get(i))) { |
| 102 | exceptions.add(e.get(i)); |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Get number of collected exceptions. |
| 109 | * |
| 110 | * @return Number of collected exceptions. |
| 111 | */ |
| 112 | public final int size() { |
| 113 | return exceptions.size(); |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * Get <code>i</code>-th exception. |
| 118 | * |
| 119 | * @param i Starts with 0 and must be smaller than {@link #size()}. |
| 120 | * @return Wanted exception. |
| 121 | */ |
| 122 | public final SourceFileException get(final int i) { |
| 123 | return (SourceFileException) exceptions.get(i); |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Get all exceptions. |
| 128 | * |
| 129 | * @return All exceptions. |
| 130 | */ |
| 131 | public final SourceFileException[] toArray() { |
| 132 | return (SourceFileException[]) exceptions.toArray( |
| 133 | new SourceFileException[exceptions.size()]); |
| 134 | } |
| 135 | |
| 136 | public int hashCode() { |
| 137 | int result = 71; |
| 138 | for (int i = 0; i < size(); i++) { |
| 139 | result = result ^ (get(i) != null ? get(i).hashCode() : 0); |
| 140 | } |
| 141 | return result; |
| 142 | } |
| 143 | |
| 144 | public boolean equals(final Object object) { |
| 145 | if (!(object instanceof SourceFileExceptionList)) { |
| 146 | return false; |
| 147 | } |
| 148 | SourceFileExceptionList sfl = (SourceFileExceptionList) object; |
| 149 | if (size() != sfl.size()) { |
| 150 | return false; |
| 151 | } |
| 152 | for (int i = 0; i < size(); i++) { |
| 153 | if (!EqualsUtility.equals(get(i), sfl.get(i))) { |
| 154 | return false; |
| 155 | } |
| 156 | } |
| 157 | return true; |
| 158 | } |
| 159 | |
| 160 | public String getMessage() { |
| 161 | final StringBuffer buffer = new StringBuffer(); |
| 162 | for (int i = 0; i < size(); i++) { |
| 163 | if (i != 0) { |
| 164 | buffer.append("\n"); |
| 165 | } |
| 166 | final SourceFileException e = get(i); |
| 167 | buffer.append(i).append(": "); |
| 168 | buffer.append(e.toString()); |
| 169 | } |
| 170 | return buffer.toString(); |
| 171 | } |
| 172 | |
| 173 | public String toString() { |
| 174 | final StringBuffer buffer = new StringBuffer(); |
| 175 | buffer.append(getClass().getName()); |
| 176 | buffer.append("\n"); |
| 177 | buffer.append(getMessage()); |
| 178 | return buffer.toString(); |
| 179 | } |
| 180 | |
| 181 | } |