001/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 7.0 */ 002/* JavaCCOptions: */ 003/**************************************************************** 004 * Licensed to the Apache Software Foundation (ASF) under one * 005 * or more contributor license agreements. See the NOTICE file * 006 * distributed with this work for additional information * 007 * regarding copyright ownership. The ASF licenses this file * 008 * to you under the Apache License, Version 2.0 (the * 009 * "License"); you may not use this file except in compliance * 010 * with the License. You may obtain a copy of the License at * 011 * * 012 * http://www.apache.org/licenses/LICENSE-2.0 * 013 * * 014 * Unless required by applicable law or agreed to in writing, * 015 * software distributed under the License is distributed on an * 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 017 * KIND, either express or implied. See the License for the * 018 * specific language governing permissions and limitations * 019 * under the License. * 020 ****************************************************************/ 021package org.apache.james.mime4j.field.address; 022 023/** Token Manager Error. */ 024public class TokenMgrError extends Error 025{ 026 027 /** 028 * The version identifier for this Serializable class. 029 * Increment only if the <i>serialized</i> form of the 030 * class changes. 031 */ 032 private static final long serialVersionUID = 1L; 033 034 /* 035 * Ordinals for various reasons why an Error of this type can be thrown. 036 */ 037 038 /** 039 * Lexical error occurred. 040 */ 041 public static final int LEXICAL_ERROR = 0; 042 043 /** 044 * An attempt was made to create a second instance of a static token manager. 045 */ 046 public static final int STATIC_LEXER_ERROR = 1; 047 048 /** 049 * Tried to change to an invalid lexical state. 050 */ 051 public static final int INVALID_LEXICAL_STATE = 2; 052 053 /** 054 * Detected (and bailed out of) an infinite loop in the token manager. 055 */ 056 public static final int LOOP_DETECTED = 3; 057 058 /** 059 * Indicates the reason why the exception is thrown. It will have 060 * one of the above 4 values. 061 */ 062 int errorCode; 063 064 /** 065 * Replaces unprintable characters by their escaped (or unicode escaped) 066 * equivalents in the given string 067 */ 068 protected static final String addEscapes(String str) { 069 StringBuffer retval = new StringBuffer(); 070 char ch; 071 for (int i = 0; i < str.length(); i++) { 072 switch (str.charAt(i)) 073 { 074 case '\b': 075 retval.append("\\b"); 076 continue; 077 case '\t': 078 retval.append("\\t"); 079 continue; 080 case '\n': 081 retval.append("\\n"); 082 continue; 083 case '\f': 084 retval.append("\\f"); 085 continue; 086 case '\r': 087 retval.append("\\r"); 088 continue; 089 case '\"': 090 retval.append("\\\""); 091 continue; 092 case '\'': 093 retval.append("\\\'"); 094 continue; 095 case '\\': 096 retval.append("\\\\"); 097 continue; 098 default: 099 if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { 100 String s = "0000" + Integer.toString(ch, 16); 101 retval.append("\\u" + s.substring(s.length() - 4, s.length())); 102 } else { 103 retval.append(ch); 104 } 105 continue; 106 } 107 } 108 return retval.toString(); 109 } 110 111 /** 112 * Returns a detailed message for the Error when it is thrown by the 113 * token manager to indicate a lexical error. 114 * Parameters : 115 * EOFSeen : indicates if EOF caused the lexical error 116 * curLexState : lexical state in which this error occurred 117 * errorLine : line number when the error occurred 118 * errorColumn : column number when the error occurred 119 * errorAfter : prefix that was seen before this error occurred 120 * curchar : the offending character 121 * Note: You can customize the lexical error message by modifying this method. 122 */ 123 protected static String LexicalErr(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, int curChar) { 124 char curChar1 = (char)curChar; 125 return("Lexical error at line " + 126 errorLine + ", column " + 127 errorColumn + ". Encountered: " + 128 (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar1)) + "\"") + " (" + (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 /** No arg constructor. */ 150 public TokenMgrError() { 151 } 152 153 /** Constructor with message and reason. */ 154 public TokenMgrError(String message, int reason) { 155 super(message); 156 errorCode = reason; 157 } 158 159 /** Full Constructor. */ 160 public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, int curChar, int reason) { 161 this(LexicalErr(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason); 162 } 163} 164/* JavaCC - OriginalChecksum=a8c50e31dc41b27bd5fe08b2265c4466 (do not edit this line) */