"+title+"

/*
  * (c) Copyright 2010 Epimorphics Ltd.
 * All rights reserved.
 * [See end of file]
 */

package org.openjena.fuseki.validation;

import java.io.IOException ;

import javax.servlet.ServletConfig ;
import javax.servlet.ServletException ;
import javax.servlet.ServletOutputStream ;
import javax.servlet.http.HttpServlet ;
import javax.servlet.http.HttpServletRequest ;
import javax.servlet.http.HttpServletResponse ;

import org.openjena.fuseki.Fuseki ;
import org.slf4j.Logger ;

public abstract class ValidatorBase extends HttpServlet 
{
    protected static Logger serviceLog = Fuseki.serverlog ;

    public static final String cssFile          = "/fuseki.css" ;
    public static final String respService      = "X-Service" ;

    
    @Override
    public void init() throws ServletException
    { super.init() ; }

    @Override
    public void init(ServletConfig config) throws ServletException
    { super.init(config) ; }
    
    @Override
    public void destroy()
    { }
    
    @Override
    public void doGet(HttpServletRequest httpRequest, HttpServletResponse httpResponse)
    { execute(httpRequest, httpResponse) ; }

    @Override
    public void doPost(HttpServletRequest httpRequest, HttpServletResponse httpResponse)
    { execute(httpRequest, httpResponse) ; }
    
    protected abstract void execute(HttpServletRequest httpRequest, HttpServletResponse httpResponse) ;

    protected static void setHeaders(HttpServletResponse httpResponse)
    {
        httpResponse.setCharacterEncoding("UTF-8") ;
        httpResponse.setContentType("text/html") ;
        httpResponse.setHeader(respService, "Fuseki/ARQ SPARQL Query Validator: http://openjena.org/ARQ") ;
    }
    
    protected static String htmlQuote(String str)
    {
        StringBuffer sBuff = new StringBuffer() ;
        for ( int i = 0 ; i < str.length() ; i++ )
        {
            char ch = str.charAt(i) ;
            switch (ch)
            {
                case '<': sBuff.append("&lt;") ; break ;
                case '>': sBuff.append("&gt;") ; break ;
                case '&': sBuff.append("&amp;") ; break ;
                default: 
                    // Work around Eclipe bug with StringBuffer.append(char)
                    //try { sBuff.append(ch) ; } catch (Exception ex) {}
                    sBuff.append(ch) ;
                    break ;  
            }
        }
        return sBuff.toString() ; 
    }

    protected static void startFixed(ServletOutputStream outStream) throws IOException
    {
        outStream.println("<pre class=\"box\">") ;
    }

    protected static void columns(String prefix, ServletOutputStream outStream) throws IOException
    {
        outStream.print(prefix) ;
        outStream.println("         1         2         3         4         5         6         7") ;
        outStream.print(prefix) ;
        outStream.println("12345678901234567890123456789012345678901234567890123456789012345678901234567890") ;
    }
    
    protected static void finishFixed(ServletOutputStream outStream) throws IOException
    {
        outStream.println("</pre>") ;
    }
    
    protected static void printHead(ServletOutputStream outStream, String title) throws IOException
    {
        outStream.println("<head>") ;
        outStream.println(" <title>"+title+"</title>") ;
        outStream.println(" <link rel=\"stylesheet\" type=\"text/css\" href=\""+cssFile+"\" />") ;
        //outStream.println() ;
        outStream.println("</head>") ;
    }
}

/*
 * (c) Copyright 2010 Epimorphics Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */