DefaultCommand controls which command to initiate form submit with when enter key is pressed. Example
below demonstrates 3 types of buttons; non-ajax, ajax and standard.
@Named
@RequestScoped
public class DefaultCommandView {
private String text;
private String text2;
private String btn = "btn1";
private List<String> buttons;
@PostConstruct
public void init() {
buttons = new ArrayList<>();
buttons.add("btn1");
buttons.add("btn2");
buttons.add("btn3");
}
public String getBtn() {
return btn;
}
public void setBtn(String btn) {
this.btn = btn;
}
public List<String> getButtons() {
return buttons;
}
public void setButtons(List<String> buttons) {
this.buttons = buttons;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
public String getText2() {
return text2;
}
public void setText2(String text2) {
this.text2 = text2;
}
public void addMessage(String btn) {
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage("Submitted with " + btn));
}
public void btn1Submit() {
addMessage("btn1");
}
public void btn2Submit() {
addMessage("btn2");
}
public void btn3Submit() {
addMessage("btn3");
}
}
Session expired
Reloading page
Message: /ui/button/productDetail.xhtml at line 13 and column 21 <f:metadata> Parent UIComponent j_id_e should be instance of UIViewRoot
StackTrace: javax.faces.view.facelets.TagException: /ui/button/productDetail.xhtml at line 13 and column 21 <f:metadata> Parent UIComponent j_id_e should be instance of UIViewRoot at org.apache.myfaces.view.facelets.tag.jsf.core.ViewMetadataHandler.apply(ViewMetadataHandler.java:60) at org.apache.myfaces.view.facelets.tag.ui.DefineHandler.applyDefinition(DefineHandler.java:87) at org.apache.myfaces.view.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:178) at org.apache.myfaces.view.facelets.impl.TemplateContextImpl$TemplateManagerImpl.apply(TemplateContextImpl.java:194) at org.apache.myfaces.view.facelets.impl.TemplateContextImpl.includeDefinition(TemplateContextImpl.java:136) at org.apache.myfaces.view.facelets.impl.DefaultFaceletContext.includeDefinition(DefaultFaceletContext.java:475) at org.apache.myfaces.view.facelets.tag.ui.InsertHandler.apply(InsertHandler.java:95) at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:46) at org.apache.myfaces.view.facelets.tag.ui.InsertHandler.apply(InsertHandler.java:103) at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:46) at org.apache.myfaces.view.facelets.tag.jsf.core.ViewHandler.apply(ViewHandler.java:187) at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:56) at org.apache.myfaces.view.facelets.tag.jsf.ComponentTagHandlerDelegate.apply(ComponentTagHandlerDelegate.java:373) at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:51) at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:46) at org.apache.myfaces.view.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:66) at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:46) at org.apache.myfaces.view.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:48) at org.apache.myfaces.view.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:519) at org.apache.myfaces.view.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:573) at org.apache.myfaces.view.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:551) at org.apache.myfaces.view.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:240) at org.apache.myfaces.view.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:150) at org.apache.myfaces.view.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:66) at org.apache.myfaces.view.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:48) at org.apache.myfaces.view.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:187) at org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.buildView(FaceletViewDeclarationLanguage.java:483) at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:84) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:266) at javax.faces.lifecycle.LifecycleWrapper.render(LifecycleWrapper.java:42) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:206) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.primefaces.webapp.filter.NoCacheFilter.doFilter(NoCacheFilter.java:39) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.primefaces.webapp.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:42) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.openejb.server.httpd.EEFilter.doFilter(EEFilter.java:67) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:45) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(OpenEJBSecurityListener.java:97) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:670) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:928) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1794) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Unknown Source)