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| 1 | +/* |
| 2 | + * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | + * |
| 5 | + * This code is free software; you can redistribute it and/or modify it |
| 6 | + * under the terms of the GNU General Public License version 2 only, as |
| 7 | + * published by the Free Software Foundation. Oracle designates this |
| 8 | + * particular file as subject to the "Classpath" exception as provided |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. |
| 10 | + * |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | + * accompanied this code). |
| 16 | + * |
| 17 | + * You should have received a copy of the GNU General Public License version |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | + * |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 22 | + * or visit www.oracle.com if you need additional information or have any |
| 23 | + * questions. |
| 24 | + */ |
| 25 | + |
| 26 | +package java.net; |
| 27 | + |
| 28 | + |
| 29 | +/** |
| 30 | + * Checked exception thrown to indicate that a string could not be parsed as a |
| 31 | + * URI reference. |
| 32 | + * |
| 33 | + * @author Mark Reinhold |
| 34 | + * @see URI |
| 35 | + * @since 1.4 |
| 36 | + */ |
| 37 | + |
| 38 | +public class URISyntaxException |
| 39 | + extends Exception |
| 40 | +{ |
| 41 | + private static final long serialVersionUID = 2137979680897488891L; |
| 42 | + |
| 43 | + private String input; |
| 44 | + private int index; |
| 45 | + |
| 46 | + /** |
| 47 | + * Constructs an instance from the given input string, reason, and error |
| 48 | + * index. |
| 49 | + * |
| 50 | + * @param input The input string |
| 51 | + * @param reason A string explaining why the input could not be parsed |
| 52 | + * @param index The index at which the parse error occurred, |
| 53 | + * or {@code -1} if the index is not known |
| 54 | + * |
| 55 | + * @throws NullPointerException |
| 56 | + * If either the input or reason strings are {@code null} |
| 57 | + * |
| 58 | + * @throws IllegalArgumentException |
| 59 | + * If the error index is less than {@code -1} |
| 60 | + */ |
| 61 | + public URISyntaxException(String input, String reason, int index) { |
| 62 | + super(reason); |
| 63 | + if ((input == null) || (reason == null)) |
| 64 | + throw new NullPointerException(); |
| 65 | + if (index < -1) |
| 66 | + throw new IllegalArgumentException(); |
| 67 | + this.input = input; |
| 68 | + this.index = index; |
| 69 | + } |
| 70 | + |
| 71 | + /** |
| 72 | + * Constructs an instance from the given input string and reason. The |
| 73 | + * resulting object will have an error index of {@code -1}. |
| 74 | + * |
| 75 | + * @param input The input string |
| 76 | + * @param reason A string explaining why the input could not be parsed |
| 77 | + * |
| 78 | + * @throws NullPointerException |
| 79 | + * If either the input or reason strings are {@code null} |
| 80 | + */ |
| 81 | + public URISyntaxException(String input, String reason) { |
| 82 | + this(input, reason, -1); |
| 83 | + } |
| 84 | + |
| 85 | + /** |
| 86 | + * Returns the input string. |
| 87 | + * |
| 88 | + * @return The input string |
| 89 | + */ |
| 90 | + public String getInput() { |
| 91 | + return input; |
| 92 | + } |
| 93 | + |
| 94 | + /** |
| 95 | + * Returns a string explaining why the input string could not be parsed. |
| 96 | + * |
| 97 | + * @return The reason string |
| 98 | + */ |
| 99 | + public String getReason() { |
| 100 | + return super.getMessage(); |
| 101 | + } |
| 102 | + |
| 103 | + /** |
| 104 | + * Returns an index into the input string of the position at which the |
| 105 | + * parse error occurred, or {@code -1} if this position is not known. |
| 106 | + * |
| 107 | + * @return The error index |
| 108 | + */ |
| 109 | + public int getIndex() { |
| 110 | + return index; |
| 111 | + } |
| 112 | + |
| 113 | + /** |
| 114 | + * Returns a string describing the parse error. The resulting string |
| 115 | + * consists of the reason string followed by a colon character |
| 116 | + * ({@code ':'}), a space, and the input string. If the error index is |
| 117 | + * defined then the string {@code " at index "} followed by the index, in |
| 118 | + * decimal, is inserted after the reason string and before the colon |
| 119 | + * character. |
| 120 | + * |
| 121 | + * @return A string describing the parse error |
| 122 | + */ |
| 123 | + public String getMessage() { |
| 124 | + StringBuffer sb = new StringBuffer(); |
| 125 | + sb.append(getReason()); |
| 126 | + if (index > -1) { |
| 127 | + sb.append(" at index "); |
| 128 | + sb.append(index); |
| 129 | + } |
| 130 | + sb.append(": "); |
| 131 | + sb.append(input); |
| 132 | + return sb.toString(); |
| 133 | + } |
| 134 | + |
| 135 | +} |
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