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| 1 | /* | ||
| 2 | * Copyright (c) 2000, 2008, 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 <tt>-1</tt> if the index is not known | ||
| 54 | * | ||
| 55 | * @throws NullPointerException | ||
| 56 | * If either the input or reason strings are <tt>null</tt> | ||
| 57 | * | ||
| 58 | * @throws IllegalArgumentException | ||
| 59 | * If the error index is less than <tt>-1</tt> | ||
| 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 <tt>-1</tt>. | ||
| 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 <tt>null</tt> | ||
| 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 <tt>-1</tt> 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 | * (<tt>':'</tt>), a space, and the input string. If the error index is | ||
| 117 | * defined then the string <tt>" at index "</tt> 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 | } | ||