Hi, I am approaching seam just now.
I am trying to read a selected value from a ListBox. Each time I press the go button I get the message ?Validation Error?. I don't think to had set any validation check !!! What's wrong ? Thanks Fabrizio | | <%@ taglib uri="http://java.sun.com/jsf/html"; prefix="h"%> | <%@ taglib uri="http://java.sun.com/jsf/core"; prefix="f"%> | <%@ taglib uri="http://jboss.com/products/seam/taglib"; prefix="s"%> | <html> | <head> | <title>Test List</title> | <f:loadBundle basename="messages" var="msgs" /> | </head> | <body> | <f:view> | <h:form> | <table border="0"> | <tr> | <td>B3</td> | <td><h:selectOneMenu value="#{B3Manager.b3}" converter="#{B3Manager.converter}"> | <f:selectItems value="#{B3Manager.b3List}" /> | </h:selectOneMenu></td> | </tr> | </table> | <h:messages /> | <h:commandButton type="submit" value="Go" action="#{B3Manager.go}" /> | </h:form> | </f:view> | </body> | </html> | | | | @Stateful | @Name("B3Manager") | @Scope(ScopeType.EVENT) | public class B3ManagerBean implements Serializable, B3Manager | { | @In(create = true) | @Out(required = true) | private B3 b3; | | @DataModel | private List<B3> b3List; | | private Map<String, B3> b3Map; | | @PersistenceContext(type = PersistenceContextType.EXTENDED) | private EntityManager em; | | @Logger | private Log log; | | | | @Create() | public void findAll() | { | b3List = em.createQuery("from B3 o order by o.id desc").getResultList(); | | Map<String, B3> results = new TreeMap<String, B3>(); | | for (B3 localB3 : b3List) | { | results.put(localB3.getLabel(), localB3); | } | | b3Map = results; | | b3 = new B3(new Long(0), ""); | } | | public String go() | { | log.info("Selected #{b3.id}, #{b3.label}"); | | return "/B3.jsp"; | } | | @Remove | @Destroy | public void destroy() | { | ; | } | | | | public Map<String, B3> getB3List() | { | System.out.println("getB2List"); | | System.out.println("Size b3List " + b3List.size()); | System.out.println("Size b3Map " + b3Map.size()); | System.out.println("b3Map " + b3Map); | | return b3Map; | } | | | | public Converter getConverter() | { | return new B3Converter(b3List); | } | | | | static public class B3Converter implements Converter, Serializable | { | List<B3> b3List; | | public B3Converter(List<B3> b3List) | { | this.b3List = b3List; | } | | public String getAsString(FacesContext facesContext, UIComponent component, Object obj) | { | if (obj == null) | return null; | | B3 b3 = (B3) obj; | | return b3.getId().toString(); | } | | | | public Object getAsObject(FacesContext facesContext, UIComponent component, String str) throws ConverterException | { | if (str == null || str.length() == 0) | { | return null; | } | | Long id = Long.valueOf(str); | | for (B3 b3 : b3List) | { | if (b3.getId().longValue() == id.longValue()) | { | return b3; | } | } | | return null; | } | } | | | | public B3 getB3() | { | return b3; | } | | | | public void setB3(B3 b3) | { | this.b3 = b3; | } | | } | | | | | @Entity | @Name("b3") | @Scope(SESSION) | @Table(name = "b3") | public class B3 implements Serializable | { | private static final long serialVersionUID = 1881413500711441951L; | | private Long id; | private String label; | | public B3(Long id, String label) | { | this.id = id; | | this.label = label; | } | | public B3() | { | } | | @Id | @GeneratedValue | public Long getId() | { | return id; | } | | | public void setId(Long id) | { | this.id = id; | } | | | @NotNull() | public String getLabel() | { | return label; | } | | | public void setLabel(String p1) | { | this.label = p1; | } | | public String toString() | { | return "B3(" + id + " , " + label + ")"; | } | | public boolean equals(Object other) | { | if (other == null || !(other instanceof Category)) | { | return false; | } | | B3 otherB3 = (B3) other; | | return (getId().longValue() == otherB3.getId().longValue()); | } | | | | public int hashcode() | { | return 37 * getId().intValue() + 97; | } | } | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3952968#3952968 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3952968 Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ JBoss-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/jboss-user
