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Saturday, September 5, 2015

struts multibox example

Struts multibox [multiple check boxes] example

1. create a memeber variables and respective setters and getters in any form class like below

import org.apache.struts.action.ActionForm;
   
   public class LanguageForm extends ActionForm
    private String[] selectedLanguages = {}; 
 private String[] languages = {"Java","J2EE","JSP","STRUTS","Spring"}; 
 
 public String[] getSelectedLanguages() {
  return selectedLanguages;
 }

 public void setSelectedLanguages(String[] selectedLanguages) {
  this.selectedLanguages = selectedLanguages;
 }

 public String[] getLanguages() {
  return languages;
 }

 public void setLanguages(String[] languages) {
  this.languages = languages;
 }
 

2. Add below code inside action class to display languages in JSP

public class LanguageAction extends Action {
 private static final String SUCCESS = "success";

 /**
  * 
  */
 public ActionForward execute(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response)
   throws Exception {
          String selectedLanguageValues="";
    LanguageForm languageForm = (LanguageForm)form;
   for (String selectedLanguage : languageForm.getSelectedLanguages()) {
    selectedLanguageValues = selectedLanguageValues.concat(selectedLanguage+",");
   }
   if(selectedLanguageValues != null && !selectedLanguageValues.isEmpty()){
    selectedLanguageValues = selectedLanguageValues.substring(0,selectedLanguageValues.length()-1);
   }
   System.out.println("selectedLanguageValues["+selectedLanguageValues+"]");
   return SUCCESS;
   
 }
}

3. JSP code as mentioned below

<%@taglib uri="http://jakarta.apache.org/struts/tags-html" prefix="html"%>
         <%@taglib uri="http://jakarta.apache.org/struts/tags-bean" prefix="bean"%>
         <%@taglib uri="http://struts.apache.org/tags-logic" prefix="logic"%>


        
            
              
              
             
         

     

4. Need to do respective configuratio in struts-config.xml like action class, form class etc...
Refer Struts Step By Step example in this blog for configuration related details.

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