KKTagSupport.java

package org.onehippo.forge.konakart.hst.tags;

import com.konakart.al.KKAppEng;
import org.hippoecm.hst.tag.HstTagSupport;
import org.onehippo.forge.konakart.site.service.KKServiceHelper;

import javax.servlet.http.HttpSession;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

public class KKTagSupport extends HstTagSupport {

  /**
   * Retrieve the Konakart App Engine.
   *
   * @return the engine
   * @throws javax.servlet.jsp.JspException thrown if the engine could not be retrieved
   */
  public KKAppEng getKkAppEng() throws JspException {

    HttpSession session = pageContext.getSession();
    KKAppEng kkAppEng = (KKAppEng) session.getAttribute(KKAppEng.KONAKART_KEY);

    if (kkAppEng == null) {
      throw new JspException("Failed to retrieve the Engine");
    }

    return kkAppEng;
  }
}