01 /* This file is part of the project "Hilbert II" - http://www.qedeq.org
02 *
03 * Copyright 2000-2013, Michael Meyling <mime@qedeq.org>.
04 *
05 * "Hilbert II" is free software; you can redistribute
06 * it and/or modify it under the terms of the GNU General Public
07 * License as published by the Free Software Foundation; either
08 * version 2 of the License, or (at your option) any later version.
09 *
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.bo.logic.common;
17
18 import java.util.ArrayList;
19 import java.util.List;
20
21 /**
22 * Type save {@link org.qedeq.kernel.bo.logic.common.LogicalCheckException} list.
23 *
24 * @author Michael Meyling
25 */
26 public class LogicalCheckExceptionList {
27
28 /** List with parse exceptions. */
29 private final List exceptions = new ArrayList();
30
31 /**
32 * Constructor.
33 */
34 public LogicalCheckExceptionList() {
35 // nothing to do
36 }
37
38 /**
39 * Add exception.
40 *
41 * @param e Exception to add.
42 */
43 public void add(final LogicalCheckException e) {
44 exceptions.add(e);
45 }
46
47 /**
48 * Add exceptions.
49 *
50 * @param e Exceptions to add.
51 */
52 public void add(final LogicalCheckExceptionList e) {
53 exceptions.addAll(e.exceptions);
54 }
55
56 /**
57 * Get number of collected exceptions.
58 *
59 * @return Number of collected exceptions.
60 */
61 public int size() {
62 return exceptions.size();
63 }
64
65 /**
66 * Get <code>i</code>-th exception.
67 *
68 * @param i Starts with 0 and must be smaller than {@link #size()}.
69 * @return Wanted exception.
70 */
71 public LogicalCheckException get(final int i) {
72 return (LogicalCheckException) exceptions.get(i);
73 }
74
75 /**
76 * Contains this list any errors?
77 *
78 * @return Do I contain any errors?
79 */
80 public boolean hasErrors() {
81 return size() > 0;
82 }
83
84 public String toString() {
85 final StringBuffer buffer = new StringBuffer();
86 for (int i = 0; i < size(); i++) {
87 if (i != 0) {
88 buffer.append("\n");
89 }
90 final LogicalCheckException e = get(i);
91 buffer.append(i).append(": ");
92 buffer.append(e.toString());
93 }
94 return buffer.toString();
95 }
96
97 }
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