ImageTag


1   /*
2    * Copyright (c) 2003, Inversoft
3    *
4    * This software is distribuable under the GNU Lesser General Public License.
5    * For more information visit gnu.org.
6    */
7   package com.inversoft.verge.mvc.view.jsp.form;
8   
9   
10  import javax.servlet.jsp.JspException  ;
11  
12  import org.apache.log4j.Logger;
13  
14  import com.inversoft.verge.mvc.controller.form.config.ActionConfig;
15  
16  
17  /**
18   * This class is the image submit input tag
19   *
20   * @author  Brian Pontarelli
21   */
22  public class ImageTag extends com.inversoft.verge.mvc.view.jsp.html.ImageTag {
23  
24      /**
25       * This classes logger
26       */
27      private static final Logger logger = Logger.getLogger(ImageTag.class);
28  
29  
30      /**
31       * Ouputs an image input tag.
32       * @throws  JspException If this tag is not inside a submit tag and the submit
33       *          tag is not inside a form tag, or if a property name was not specified
34       */
35      public void initialize() throws JspException   {
36  
37          // Initialize the parent reference and the bean reference
38          super.initialize();
39  
40          FormTag form = FormHelper.getFormTag(super.getFormParent());
41          ActionConfig actionConfig = form.getConfig().getActionConfig(localAction);
42          if (actionConfig == null) {
43              logger.error("Invalid action: " + getAction() + " for form: " +
44                  form.getName());
45              throw new JspException  ("Invalid action: " + getAction() + " for form: " +
46                  form.getName());
47          }
48      }
49  
50      /**
51       * Outputs the extra information required by the container to decode the
52       * model and handle the MVC
53       */
54      public int doEndTag() throws JspException   {
55          super.doEndTag();
56          FormHelper.outputControllerExtra(localName, localAction, pageContext);
57          return EVAL_PAGE;
58      }
59  }
60
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