/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */  /* * The Original Code is HAT. The Initial Developer of the * Original Code is Bill Foote, with contributions from others * at JavaSoft/Sun. */ package com.sun.tools.hat.internal.server; import com.sun.tools.hat.internal.model.*;import com.sun.tools.hat.internal.oql.*;import com.sun.tools.hat.internal.util.ArraySorter;import com.sun.tools.hat.internal.util.Comparer; /** * This handles Object Query Language (OQL) queries. * * @author A. Sundararajan */ class OQLQuery extends QueryHandler {     public OQLQuery(OQLEngine engine) {        this.engine = engine;    }     public void run() {        startHtml("Object Query Language (OQL) query");        String oql = null;        if (query != null && !query.equals("")) {            int index = query.indexOf("?query=");            if (index != -1 && query.length() > 7) {                oql = query.substring(index + 7);            }        }        out.println("<p align='center'><table>");        out.println("<tr><td><b>");        out.println("<a href='/'>All Classes (excluding platform)</a>");        out.println("</b></td>");        out.println("<td><b><a href='/oqlhelp/'>OQL Help</a></b></td></tr>");        out.println("</table></p>");        out.println("<form action='/oql/' method='get'>");        out.println("<p align='center'>");        out.println("<textarea name='query' cols=80 rows=10>");        if (oql != null) {            out.println(oql);        }        out.println("</textarea>");        out.println("</p>");        out.println("<p align='center'>");        out.println("<input type='submit' value='Execute'></input>");        out.println("</p>");        out.println("</form>");        if (oql != null) {            executeQuery(oql);        }        endHtml();    }     private void executeQuery(String q) {        try {            out.println("<table border='1'>");            engine.executeQuery(q, new ObjectVisitor() {                     public boolean visit(Object o) {                         out.println("<tr><td>");                         try {                             out.println(engine.toHtml(o));                         } catch (Exception e) {                             out.println(e.getMessage());                             out.println("<pre>");                             e.printStackTrace(out);                             out.println("</pre>");                         }                         out.println("</td></tr>");                         return false;                     }                 });            out.println("</table>");        } catch (OQLException exp) {            out.println(exp.getMessage());            out.println("<pre>");            exp.printStackTrace(out);            out.println("</pre>");        }    }     private OQLEngine engine;}