SubmitTag


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 generates a simple submit tag. This tag must
19   * be embedded in a form tag (custom form tag in this
20   * package).
21   *
22   * @author  Brian Pontarelli
23   */
24  public class SubmitTag extends com.inversoft.verge.mvc.view.jsp.html.SubmitTag {
25  
26      /**
27       * This classes logger
28       */
29      private static final Logger logger = Logger.getLogger(SubmitTag.class);
30  
31  
32      /**
33       * Initializes the tag by checking that the tag is inside a form tag
34       *
35       * @throws  JspException If this tag is not inside a form tag
36       */
37      public void initialize() throws JspException   {
38  
39          // Initialize the parent reference and the bean reference
40          super.initialize();
41  
42          FormTag form = FormHelper.getFormTag(super.getFormParent());
43          ActionConfig actionConfig = form.getConfig().getActionConfig(localAction);
44          if (actionConfig == null) {
45              logger.error("Invalid action: " + getAction() + " for form: " +
46                  form.getConfig().getName());
47              throw new JspException  ("Invalid action: " + getAction() + " for form: " +
48                  form.getConfig().getName());
49          }
50      }
51  
52      /**
53       * Outputs the extra model information
54       *
55       * @return  Always returns EVAL_PAGE
56       */
57      public int doEndTag() throws JspException   {
58          super.doEndTag();
59          FormHelper.outputControllerExtra(localName, localAction, pageContext);
60          return EVAL_PAGE;
61      }
62  }
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