1 /*
   2  * Copyright (c) 2004, 2014, 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 sun.tools.jstat;
  27 
  28 import java.io.StreamTokenizer;
  29 import java.util.Set;
  30 import java.util.Iterator;
  31 
  32 /**
  33  * An exception class for syntax exceptions detected by the options file
  34  * parser.
  35  *
  36  * @author Brian Doherty
  37  * @since 1.5
  38  */
  39 @SuppressWarnings("serial") // JDK implementation class
  40 public class SyntaxException extends ParserException {
  41     private String message;
  42 
  43     public SyntaxException(String message) {
  44         this.message = message;
  45     }
  46 
  47     public SyntaxException(int lineno, String expected, String found) {
  48         message = "Syntax error at line " + lineno
  49                   + ": Expected " + expected
  50                   + ", Found " + found;
  51     }
  52 
  53     public SyntaxException(int lineno, String expected, Token found) {
  54         message = "Syntax error at line " + lineno
  55                   + ": Expected " + expected
  56                   + ", Found " + found.toMessage();
  57     }
  58 
  59     public SyntaxException(int lineno, Token expected, Token found) {
  60         message = "Syntax error at line " + lineno
  61                   + ": Expected " + expected.toMessage()
  62                   + ", Found " + found.toMessage();
  63     }
  64 
  65     public SyntaxException(int lineno, Set<String> expected, Token found) {
  66         StringBuilder msg = new StringBuilder();
  67 
  68         msg.append("Syntax error at line ").append(lineno)
  69                 .append(": Expected one of \'");
  70 
  71         for (String keyWord : expected) {
  72             msg.append(keyWord).append('|');
  73         }
  74         if (!expected.isEmpty()) {
  75             msg.setLength(msg.length() - 1);
  76         }
  77 
  78         message = msg.append("\', Found ").append(found.toMessage()).toString();
  79     }
  80 
  81     public String getMessage() {
  82         return message;
  83     }
  84 }
  85