1 /*

     2  * Copyright (c) 1997, 2013, 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 

    27 /*

    28  * The Original Code is HAT. The Initial Developer of the

    29  * Original Code is Bill Foote, with contributions from others

    30  * at JavaSoft/Sun.

    31  */

    32 

    33 package com.sun.tools.hat.internal.server;

    34 

    35 import com.sun.tools.hat.internal.oql.*;

    36 

    37 /**

    38  * This handles Object Query Language (OQL) queries.

    39  *

    40  * @author A. Sundararajan

    41  */

    42 

    43 class OQLQuery extends QueryHandler {

    44 

    45     public OQLQuery(OQLEngine engine) {

    46         this.engine = engine;

    47     }

    48 

    49     public void run() {

    50         startHtml("Object Query Language (OQL) query");

    51         String oql = null;

    52         if (query != null && !query.equals("")) {

    53             int index = query.indexOf("?query=");

    54             if (index != -1 && query.length() > 7) {

    55                 oql = query.substring(index + 7);

    56             }

    57         }

    58         out.println("<p align='center'><table>");

    59         out.println("<tr><td><b>");

    60         out.println("<a href='/'>All Classes (excluding platform)</a>");

    61         out.println("</b></td>");

    62         out.println("<td><b><a href='/oqlhelp/'>OQL Help</a></b></td></tr>");

    63         out.println("</table></p>");

    64         out.println("<form action='/oql/' method='get'>");

    65         out.println("<p align='center'>");

    66         out.println("<textarea name='query' cols=80 rows=10>");

    67         if (oql != null) {

    68             println(oql);

    69         }

    70         out.println("</textarea>");

    71         out.println("</p>");

    72         out.println("<p align='center'>");

    73         out.println("<input type='submit' value='Execute'></input>");

    74         out.println("</p>");

    75         out.println("</form>");

    76         if (oql != null) {

    77             executeQuery(oql);

    78         }

    79         endHtml();

    80     }

    81 

    82     private void executeQuery(String q) {

    83         try {

    84             out.println("<table border='1'>");

    85             engine.executeQuery(q, new ObjectVisitor() {

    86                      public boolean visit(Object o) {

    87                          out.println("<tr><td>");

    88                          try {

    89                              out.println(engine.toHtml(o));

    90                          } catch (Exception e) {

    91                              printException(e);

    92                          }

    93                          out.println("</td></tr>");

    94                          return false;

    95                      }

    96                  });

    97             out.println("</table>");

    98         } catch (OQLException exp) {

    99             printException(exp);

   100         }

   101     }

   102 

   103     private OQLEngine engine;

   104 }