Hi all,
Trying to use my converter I face this exception:
--------------------------------
13:20:24,017 ERROR [ApplicationImpl] Could not instantiate converter class com.tarhyar.converter.VendorConverter
java.lang.ClassCastException: com.tarhyar.converter.VendorConverter
at
org.apache.myfaces.application.ApplicationImpl.createConverter(ApplicationImpl.java:450)
at
com.sun.facelets.tag.jsf.core.ConvertDelegateHandler.createConverter(ConvertDelegateHandler.java:57)
at com.sun.facelets.tag.jsf.ConvertHandler.apply(ConvertHandler.java:108)
at
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:164)
at
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:164)
at
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
at com.sun.facelets.tag.ui.DefineHandler.apply(DefineHandler.java:58)
at com.sun.facelets.tag.ui.InsertHandler.apply(InsertHandler.java:66)
at
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
at
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:251)
at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:300)
at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:279)
at
com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:121)
at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:114)
at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
at com.sun.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:95)
at com.sun.facelets.FaceletViewHandler.buildView(FaceletViewHandler.java:408)
at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:442)
at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:352)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:107)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at com.tarhyar.filter.UTF8Filter.doFilter(Unknown Source)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:54)
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:173)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Thread.java:595)
------------------------------------------------------------------------------------------
and my classes :
public class VendorConverter extends LookupConverter{
public VendorConverter() {
super(Vendor.class);
}
}
and:
package com.tarhyar.converter;
import com.tarhyar.util.SelectItems;
import com.tarhyar.lookup.Lookup;
import javax.faces.convert.ConverterException;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import java.util.Map;
import org.jboss.seam.Component;
import org.jboss.seam.contexts.Contexts;
import org.jboss.seam.contexts.Context;
public abstract class LookupConverter<T extends Lookup> implements javax.faces.convert.Converter
{
private Class<T> entityClass ;
public LookupConverter (Class<T> entityClass)
{
this.entityClass = entityClass ;
}
public String getAsString (FacesContext context, UIComponent component, Object object)
{
if (object == null)
return null ;
T lookup = (T) object ;
return lookup.getKey () ;
}
public Object getAsObject (FacesContext context, UIComponent component, String value)
{
if (value == null)
return null ;
// get selectItems from application context
Context ctx = Contexts.getApplicationContext () ;
SelectItems selectItems = (SelectItems) ctx.get ("selectItems") ;
if (selectItems == null) {
// create selectItems in application context if not found
// selectItems = (SelectItems) Component.newInstance ("selectItems") ;
// ctx.set ("lookups", selectItems.getselectItemListMap()) ;
return null;
}
// get the entityMap for this entityClass
Map<String, T> entityMap = selectItems.getEntityMap (entityClass) ;
if (entityMap == null) {
// throw a non-recoverable exception
throw new ConverterException ("Unable to get entity map for "
+ entityClass.getCanonicalName()) ;
}
T object = entityMap.get (value) ;
if (object == null) {
// throw a recoverable exception
throw new ConverterException
(new FacesMessage (component.getId(), value + " is an invalid value")) ;
}
return object ;
}
}
-------------------------------------------------------
could some body please help me?
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- Converter problem Arash Bijanzadeh
- Re: Converter problem Mike Kienenberger
