J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | /* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 0.7pre2 */ |
| 27 | package com.sun.jmx.snmp.IPAcl; |
| 28 | |
| 29 | class TokenMgrError extends Error |
| 30 | { |
| 31 | private static final long serialVersionUID = -6373071623408870347L; |
| 32 | |
| 33 | /* |
| 34 | * Ordinals for various reasons why an Error of this type can be thrown. |
| 35 | */ |
| 36 | |
| 37 | /** |
| 38 | * Lexical error occured. |
| 39 | */ |
| 40 | static final int LEXICAL_ERROR = 0; |
| 41 | |
| 42 | /** |
| 43 | * An attempt wass made to create a second instance of a static token manager. |
| 44 | */ |
| 45 | static final int STATIC_LEXER_ERROR = 1; |
| 46 | |
| 47 | /** |
| 48 | * Tried to change to an invalid lexical state. |
| 49 | */ |
| 50 | static final int INVALID_LEXICAL_STATE = 2; |
| 51 | |
| 52 | /** |
| 53 | * Detected (and bailed out of) an infinite loop in the token manager. |
| 54 | */ |
| 55 | static final int LOOP_DETECTED = 3; |
| 56 | |
| 57 | /** |
| 58 | * Indicates the reason why the exception is thrown. It will have |
| 59 | * one of the above 4 values. |
| 60 | */ |
| 61 | int errorCode; |
| 62 | |
| 63 | /** |
| 64 | * Replaces unprintable characters by their espaced (or unicode escaped) |
| 65 | * equivalents in the given string |
| 66 | */ |
| 67 | protected static final String addEscapes(String str) { |
| 68 | StringBuffer retval = new StringBuffer(); |
| 69 | char ch; |
| 70 | for (int i = 0; i < str.length(); i++) { |
| 71 | switch (str.charAt(i)) |
| 72 | { |
| 73 | case 0 : |
| 74 | continue; |
| 75 | case '\b': |
| 76 | retval.append("\\b"); |
| 77 | continue; |
| 78 | case '\t': |
| 79 | retval.append("\\t"); |
| 80 | continue; |
| 81 | case '\n': |
| 82 | retval.append("\\n"); |
| 83 | continue; |
| 84 | case '\f': |
| 85 | retval.append("\\f"); |
| 86 | continue; |
| 87 | case '\r': |
| 88 | retval.append("\\r"); |
| 89 | continue; |
| 90 | case '\"': |
| 91 | retval.append("\\\""); |
| 92 | continue; |
| 93 | case '\'': |
| 94 | retval.append("\\\'"); |
| 95 | continue; |
| 96 | case '\\': |
| 97 | retval.append("\\\\"); |
| 98 | continue; |
| 99 | default: |
| 100 | if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { |
| 101 | String s = "0000" + Integer.toString(ch, 16); |
| 102 | retval.append("\\u" + s.substring(s.length() - 4, s.length())); |
| 103 | } else { |
| 104 | retval.append(ch); |
| 105 | } |
| 106 | continue; |
| 107 | } |
| 108 | } |
| 109 | return retval.toString(); |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Returns a detailed message for the Error when it is thrown by the |
| 114 | * token manager to indicate a lexical error. |
| 115 | * Parameters : |
| 116 | * EOFSeen : indicates if EOF caused the lexicl error |
| 117 | * curLexState : lexical state in which this error occured |
| 118 | * errorLine : line number when the error occured |
| 119 | * errorColumn : column number when the error occured |
| 120 | * errorAfter : prefix that was seen before this error occured |
| 121 | * curchar : the offending character |
| 122 | * Note: You can customize the lexical error message by modifying this method. |
| 123 | */ |
| 124 | private static final String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) { |
| 125 | return("Lexical error at line " + |
| 126 | errorLine + ", column " + |
| 127 | errorColumn + ". Encountered: " + |
| 128 | (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") + |
| 129 | "after : \"" + addEscapes(errorAfter) + "\""); |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * You can also modify the body of this method to customize your error messages. |
| 134 | * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not |
| 135 | * of end-users concern, so you can return something like : |
| 136 | * |
| 137 | * "Internal Error : Please file a bug report .... " |
| 138 | * |
| 139 | * from this method for such cases in the release version of your parser. |
| 140 | */ |
| 141 | public String getMessage() { |
| 142 | return super.getMessage(); |
| 143 | } |
| 144 | |
| 145 | /* |
| 146 | * Constructors of various flavors follow. |
| 147 | */ |
| 148 | |
| 149 | public TokenMgrError() { |
| 150 | } |
| 151 | |
| 152 | public TokenMgrError(String message, int reason) { |
| 153 | super(message); |
| 154 | errorCode = reason; |
| 155 | } |
| 156 | |
| 157 | public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) { |
| 158 | this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason); |
| 159 | } |
| 160 | } |