I'm not sure it will work, try to make an instance of te project field
instead of setting null value
Maurizio Cucchiara
Il giorno 24/feb/2011 15.18, "alex zaim" <icid...@yahoo.com> ha scritto:
> i have a Organization.java class that has a field named "name" and get and
set methods.
> Then i use a Project.java class that extends Organization.
Organization.java also has an User.java class that also has a "name" field.
I use the Project class as a bean that is populated after a form is being
submitted. The problem is that ( Project) Organization.name is not being
initialized when (Project) Organization.User.name IS being initialized. Can
anyone help me telling me what i've done wrong? I've been checking my field
and method names for a long tine now and i'm stuck, though everything seems
to be in good shape.
> My classes and various files follow:
> // Organization.java
> public class Organization {
> private int id;
> private User[] users;
> private String name="no name yet";
> private User president;
>
> public String toString(){
> return "ID:"+id+"; Users:<not yet>"+"; Name:"+name+";
President:"+president.getName();
> }
> public void setName(String name) {
> this.name = name;
> }
> public String getName() {
> return name;
> }
> public void setPresident(User president) {
> this.president = president;
> }
> public User getPresident() {
> return president;
> }
> }
>
> // Project.java
> public class Project extends Organization{
> public Project(){
> super();
> }
> }
>
> // struts.xml
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE struts PUBLIC
> "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
> "http://struts.apache.org/dtds/struts-2.0.dtd";>
>
> <struts>
> <constant name="struts.devMode" value="true" />
> <package name="translators" extends="struts-default">
> <action name="test" class="net.translators.actions.TestAction"
method="execute">
> <result name="success">/test.jsp</result>
> </action>
>
> <action name="createproject"
class="net.translators.actions.CreateProjectAction" method="execute">
> <result name="success">/tests/message.jsp</result>
> <result name="input">/tests/createproject.jsp</result>
> </action>
> <action name="create-a-project"
class="net.translators.actions.CreateProjectAction" method="dummy">
> <result name ="success">/tests/createproject.jsp</result>
> </action>
> </package>
> </struts>
>
> // test.jsp has this line ("Point of entrance")
> <a href="<s:url action="tests/create-a-project"/>">Create a Project</a>
>
> // createproject.jsp has this form
> <s:form action="createproject">
> <s:textfield key="project.name"/>
> <s:textfield key="project.president.name"/>
> <s:submit label="Submiter"/>
> </s:form>
>
> // the resource file that is named after the Action class:
> project.name=Projects name
> project.users=Multiple Users
> project.president.name=Presidents name
> project.id=DB ID
>
> // The action class
> public class CreateProjectAction extends ActionSupport{
> private Project project =null;
> private String message = "NULL";
> public void setProject(Project pr){
> this.project = pr;
> }
>
> public String execute(){
>
> if (project !=null ){
> message = "Execute: "+project.toString();
> }
>
> return SUCCESS;
> }
>
> @SkipValidation
> public String dummy(){
> return SUCCESS;
> }
> public void validate(){
> if(project ==null || project.getName().length()==0){
> addFieldError( "project.name", "Name is required." );
> }
> message = "Validate";
> }
>
> public void setMessage(String message) {
> this.message = message;
> }
>
> public String getMessage() {
> return message;
> }
> }
>
>
>
>
