/******************************************************************************
* JBoss by Red Hat *
* Copyright 2010, Red Hat Middleware, LLC, and individual *
* contributors as indicated by the @authors tag. See the *
* copyright.txt in the distribution for a full listing of *
* individual contributors. *
* *
* This is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 2.1 of *
* the License, or (at your option) any later version. *
* *
* This software 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this software; if not, write to the Free *
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
* 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
******************************************************************************/
package org.exoplatform.portal.webui.register;
import java.util.Calendar;
import javax.portlet.RenderResponse;
import javax.portlet.ResourceURL;
import org.exoplatform.portal.url.URLWriter;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.form.UIFormStringInput;
/**
* @author <a href="mailto:theute@redhat.com">Thomas Heute</a>
* @version $Revision$
*/
public class UICaptcha extends UIFormStringInput {
private static final String GTN_PREFIX = "gtn";
public UICaptcha(String name, String bindingExpression, String value) {
super(name, bindingExpression, value);
}
public void processRender(WebuiRequestContext context) throws Exception {
RenderResponse resp = context.getResponse();
ResourceURL url = resp.createResourceURL();
// context.getPortalContextPath() + "/captcha?v=" + Calendar.getInstance().getTimeInMillis()
// Random parameter
url.setParameter("v", String.valueOf(System.currentTimeMillis()));
context.getWriter().write(new StringBuilder().append("<div id='")
.append(GTN_PREFIX).append(getId()).append("'><img src=\"")
.append(URLWriter.toString(url)).append("\" alt=\"Captcha image for visual validation\" /><br/>").toString());
super.processRender(context);
context.getWriter().write("</div>");
}
}