1 /*

     2  * Copyright (c) 2004, 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 

    30 /**

    31  * A class for encapsulating tokens returned from StreamTokenizer primarily

    32  * for output formatting purposes.

    33  *

    34  * @author Brian Doherty

    35  * @since 1.5

    36  */

    37 public class Token {

    38     public String sval;

    39     public double nval;

    40     public int ttype;

    41 

    42     public Token(int ttype, String sval, double nval) {

    43         this.ttype = ttype;

    44         this.sval = sval;

    45         this.nval = nval;

    46     }

    47 

    48     public Token(int ttype, String sval) {

    49         this(ttype, sval, 0);

    50     }

    51 

    52     public Token(int ttype) {

    53         this(ttype, null, 0);

    54     }

    55 

    56     public String toMessage() {

    57         switch(ttype) {

    58         case StreamTokenizer.TT_EOL:

    59             return "\"EOL\"";

    60         case StreamTokenizer.TT_EOF:

    61             return "\"EOF\"";

    62         case StreamTokenizer.TT_NUMBER:

    63             return "NUMBER";

    64         case StreamTokenizer.TT_WORD:

    65             if (sval == null) {

    66                 return "IDENTIFIER";

    67             } else {

    68                 return "IDENTIFIER " + sval;

    69             }

    70         default:

    71             if (ttype == (int)'"') {

    72                 String msg = "QUOTED STRING";

    73                 if (sval != null)

    74                     msg = msg + " \"" + sval + "\"";

    75                 return msg;

    76             } else {

    77                 return "CHARACTER \'" + (char)ttype + "\'";

    78             }

    79         }

    80     }

    81 

    82     public String toString() {

    83         StringBuilder sb = new StringBuilder();

    84         switch(ttype) {

    85         case StreamTokenizer.TT_EOL:

    86             sb.append("ttype=TT_EOL");

    87             break;

    88         case StreamTokenizer.TT_EOF:

    89             sb.append("ttype=TT_EOF");

    90             break;

    91         case StreamTokenizer.TT_NUMBER:

    92             sb.append("ttype=TT_NUM,").append("nval="+nval);

    93             break;

    94         case StreamTokenizer.TT_WORD:

    95             if (sval == null) {

    96                 sb.append("ttype=TT_WORD:IDENTIFIER");

    97             } else {

    98                 sb.append("ttype=TT_WORD:").append("sval="+sval);

    99             }

   100             break;

   101         default:

   102             if (ttype == (int)'"') {

   103                 sb.append("ttype=TT_STRING:").append("sval="+sval);

   104             } else {

   105                 sb.append("ttype=TT_CHAR:").append((char)ttype);

   106             }

   107             break;

   108         }

   109         return sb.toString();

   110     }

   111 }