Display.java

/*
 * $Source$
 * $Revision$
 *
 * Copyright (C) 2000 Myles Chippendale
 *
 * Part of Melati (http://melati.org), a framework for the rapid
 * development of clean, maintainable web applications.
 *
 * Melati is free software; Permission is granted to copy, distribute
 * and/or modify this software under the terms either:
 *
 * a) the GNU General Public License as published by the Free Software
 *    Foundation; either version 2 of the License, or (at your option)
 *    any later version,
 *
 *    or
 *
 * b) any version of the Melati Software License, as published
 *    at http://melati.org
 *
 * You should have received a copy of the GNU General Public License and
 * the Melati Software License along with this program;
 * if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
 * GNU General Public License and visit http://melati.org to obtain the
 * Melati Software License.
 *
 * Feel free to contact the Developers of Melati (http://melati.org),
 * if you would like to work out a different arrangement than the options
 * outlined here.  It is our intention to allow Melati to be used by as
 * wide an audience as possible.
 *
 * This program 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 for more details.
 *
 * Contact details for copyright holder:
 *
 *     Myles Chippendale <mylesc At paneris.org>
 *     http://paneris.org/~mylesc
 */

package org.melati.admin;

import java.util.Enumeration;

import org.melati.servlet.TemplateServlet;
import org.melati.template.ServletTemplateContext;
import org.melati.poem.util.StringUtils;
import org.melati.Melati;

/**
 * Display an object using the Template specified.
 *
 * Invoked with:
 * http://localhost/zone/org.melati.admin.Display/db/table/troid/Template
 * or
 * http://localhost/zone/org.melati.admin.Display/db/table/troid/?template=t
 * otherwise the default template is used.
 */
public class Display extends TemplateServlet {

  private static final long serialVersionUID = -6265097127167864313L;

  protected String doTemplateRequest(Melati melati, ServletTemplateContext context)
      throws Exception {
    context.put("admin", new AdminUtils(melati));
    melati.getSession().setAttribute("generatedByMelatiClass",this.getClass().getName());

    java.util.Date now = new java.util.Date();
    context.put("now", now);
    context.put("includedir", "");

    if (melati.getObject() != null) {
      melati.getObject().assertCanRead();
      context.put("object", melati.getObject());
    }
    Enumeration<?> e = melati.getRequest().getParameterNames();
    while (e.hasMoreElements()) { 
      String name = (String)e.nextElement();
      context.put(name, melati.getRequest().getParameter(name));
    }

    if (context.getFormField("template") != null) { 
      return StringUtils.tr(context.getFormField("template"),".","/");
    }
    if (melati.getMethod() != null) {
      return StringUtils.tr(melati.getMethod(),".","/");
    }
    return StringUtils.tr(this.getClass().getName(),".","/");
  }
}