ValueChangeListener not invoking backing bean method
Hi Everybody
I am using a valueChangeListener attribute with <h:selectOneListbox>. As i am using onChange, the form is getting submitted but the associated backing bean method is not getting invoked.
My JSP code:
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<html>
<head>
<title>Song Detail</title>
</head>
<body>
<f:view>
<h:form id="songForm">
<H4>Select a song to view detail.</H4>
</Br>
<h:selectOneListbox id="songList" value="#{songBean.selectedSong}"
valueChangeListener="#{songBean.songInformation}" immediate="true" onchange="submit();">
<f:selectItems value="#{songBean.songList}"/>
</h:selectOneListbox>
<p>
<h:outputText id="result" value="#{songBean.songDetail}"/>
</p>
</h:form>
</f:view>
</body>
</html> My Backing bean method:
public void songInformation(ValueChangeEvent vce) throws AbortProcessingException
System.out.println("Method invoked");
} This songInformation() method is not getting invoked.
Please help.
I never say to put every bean in session scope.
I recommend that the following beans are in session scope:
(1) the value property of h:dataTable
(2) the value property of f:selectItems
(3) the rendered property
They are evaluated before Update Model Values phase.
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JSF Problem invoking backing bean method
I want a backing bean method to be invoked when the submit button is clicked but for some strange reason the method is not getting invoked any Help in this regards would be great.
I am able to properly get the values from database and display on the page , after the user types in some more additional information like password , hint question the form has to be submitted when clicked on the submit button..
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RegisterFormBean.java
package services;
import java.sql.SQLException;
import java.util.ArrayList;
import dao.DatabaseHandler;
import model.User;
public class RegisterFormBean {
User selectedUser;
String userName;
String firstName;
String middleName;
String lastName;
String password;
String hintQuestion;
String hintAnswer;
String errMsg;
private DatabaseHandler dbHandle;
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javax.faces.application.Application app = context.getApplication();
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selectedUser = (User)dbHandle.getUser(userName);
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if(null!=userName){
setUserDetails();
if(null!=selectedUser)
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else
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this.middleName = middleName;
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if(null!=selectedUser)
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public void setLastName(String lastName) {
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return password;
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return hintQuestion;
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if(null!=hintQuestion){
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public String getHintAnswer() {
return hintAnswer;
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if(null!=hintAnswer){
System.out.println("@@@@@@@ Hint Answer"+hintAnswer);
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String flag = "";
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flag="fail";
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user.setSecIdFunctionGroup(17);
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faces-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE faces-config PUBLIC "-//Sun Microsystems, Inc.//DTD JavaServer Faces Config 1.1//EN"
"http://java.sun.com/dtd/web-facesconfig_1_1.dtd">
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<managed-bean-scope>application</managed-bean-scope>
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<managed-bean-class>services.RegisterFormBean</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
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<from-view-id>/Register.jsp</from-view-id>
<navigation-case>
<from-outcome>success</from-outcome>
<to-view-id>/Success.jsp</to-view-id>
</navigation-case>
</navigation-rule>
</faces-config>A conversion or validation error may have been occurred. Add <h:messages/> to the page to note them all. If you're using at least Sun Mojarra 1.2, then you should be able to note them all in the application server logs.
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I have a table and a button on the page. When user selects certain table row I want to enable/disable the button.
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<Jan 22, 2014 11:36:15 AM CST> <Warning> <oracle.adf.view.rich.component.fragment.UIXRegion> <ADF_FACES-00009> <Error processing viewId: /studyBrowse URI: /studyBrowse.jsf actual-URI: null.
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at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:1085)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
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at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1578)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:1085)
at oracle.adf.view.rich.component.fragment.UIXRegion.encodeEnd(UIXRegion.java:288)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3195)
at oracle.adfinternal.view.faces.renderkit.rich.FormRenderer.encodeAll(FormRenderer.java:275)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1578)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:1085)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3195)
at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1473)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1578)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:1085)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
at oracle.adfinternal.view.faces.component.AdfViewRoot.encodeAll(AdfViewRoot.java:102)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:402)
at org.apache.myfaces.trinidad.view.ViewDeclarationLanguageWrapper.renderView(ViewDeclarationLanguageWrapper.java:101)
at org.apache.myfaces.trinidad.view.ViewDeclarationLanguageWrapper.renderView(ViewDeclarationLanguageWrapper.java:101)
at org.apache.myfaces.trinidadinternal.application.ViewDeclarationLanguageFactoryImpl$ChangeApplyingVDLWrapper.renderView(ViewDeclarationLanguageFactoryImpl.java:338)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288)
at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:170)
at oracle.adfinternal.view.faces.lifecycle.ResponseRenderManager.runRenderView(ResponseRenderManager.java:52)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:1104)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:389)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:255)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:280)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:254)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:136)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:341)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:79)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:192)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:79)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:478)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:478)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:303)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:208)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:79)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:137)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:460)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:120)
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at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:79)
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at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3367)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3333)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:57)
at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2220)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2146)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2124)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1564)
at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:254)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:295)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:254)
>
<Jan 22, 2014 11:36:15 AM CST> <Error> <javax.enterprise.resource.webcontainer.jsf.application> <BEA-000000> <Error Rendering View[/studyBrowse]
javax.el.PropertyNotFoundException: //C:/Documents and Settings/rade/Application Data/JDeveloper/system12.1.2.0.40.66.68/o.j2ee/drs/ADFOracleReports/ViewControllerWebApp.war/studyBrowse.jsff @41,46 disabled="#{backingBeanScope.Studybrowse.isUserAuthorized}": The class 'view.backing.Studybrowse' does not have the property 'isUserAuthorized'.
at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:111)
at org.apache.myfaces.trinidad.bean.FacesBeanImpl.getProperty(FacesBeanImpl.java:73)
at oracle.adfinternal.view.faces.renderkit.rich.ButtonRenderer.getDisabled(ButtonRenderer.java:436)
at oracle.adfinternal.view.faces.renderkit.rich.ButtonRenderer.encodeAll(ButtonRenderer.java:270)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1578)
Truncated. see log file for complete stacktrace
> -
af:fileDownloadActionListener not calling the bean method
Hello,
I am using Jdev 11.1.1.6.
I have a page where user can generate the report and download it. I am using <af:fileDownloadActionListener> for this on my jsff (implemented as region using BTF).
The commandbutton with <af:fileDownloadActionListener> is calling a backing bean method. When user clicks the "Print" button, it is supposed to generate the report and allow user to download it.
The issue here is that the control never goes to bean method after button press. The browser keeps showing busy but no control passed to bean method. Interestingly, after you close the browser, it immediately goes to bean method.
I have tried waiting for long time (some times 15-20 min) but it never goes there during execution.
What could be going wrong here?
Code snippet from my jsff:
<af:commandButton id="cb1"
textAndAccessKey="Print"
partialSubmit="false"
clientComponent="true">
<af:fileDownloadActionListener method="#{someMethod}"
filename="#{someName}"/>
</af:commandButton>This is really frustrating as I have no clue what is going wrong here. The similar code works in other page but not here.
I would highly appreciate help here.
Thanks,
JaiLike I said, it is working fine on my other pages and I tried on new page, just like yours, and it worked. It is not working where I need it.
I know the issue is somewhere with my page [child or parent, explained later] and I am looking for help on finding the root cause. Some direction/tip which I can follow and figure out the issue.
Other buttons are working fine on the page but <af:fileDownloadActionListener> does not work. The page seems to go in loop as it keeps printing generic messages that are generally printed when page is submitted.
This will continue until you close the page/browser and then the control goes to bean method.
Let me explain page structure:
My application is based on UIShell and is basically based one page application. Every page (jsff) is implemented as region using BTF. When user clicks on menu, MainPage is opened. This MainPage represents main structure using layout components like panelGroupLayout, panelTabbed, showDetailItem etc. These layout components contains <af:region> implemented using BTF.
The MainPage which has this issue is large page with almost 100+ BTF af:regions implemented under panelTabbed+showDetailItem combination.
<af:fileDownloadActionListener> has been implemented on one of the <af:region>, which is part of this MainPage.
Few Observations:
1. If I move this button [with <af:fileDownloadActionListener>] to any of the af:region under current MainPage then it does not work.
2. If I move this button [with <af:fileDownloadActionListener>] to any independent page or any <af:region> which is part of some other MainPage, then it works.
3. Other MainPage where it is working fine is also a fairly large page with almost 150+ BTF af:regions
4. All our MainPages are based on template, so there is very high level of consistency in behavior and other handlings.
For whatever reason, it is not working on my current page and I would highly appreciate any input based on above info [or otherwise] to find a root cause for this issue.
If I need to debug, where should I start? What could be causing that looping behavior, specially with <af:fileDownloadActionListener>.
Thanks,
Jai -
How to call backing bean method when user tabs out of af:inputListOfValues field
Hi,
I am using jdev 11.1.2.4.
I want to call a backing bean method based on the value selected in the af:inputListOfValues field.
The requirement is similar as Frank Nimphius-Oracle has demonstrated here https://blogs.oracle.com/jdevotnharvest/entry/how_to_notify_the_server but with Input List of Values component.
The fields I want to call method from is
<af:inputListOfValues id="appealNameId"
popupTitle="Search and Select: #{bindings.AppealName.hints.label}"
value="#{bindings.AppealName.inputValue}"
label="#{bindings.AppealName.hints.label}"
model="#{bindings.AppealName.listOfValuesModel}"
required="#{bindings.AppealName.hints.mandatory}"
columns="#{bindings.AppealName.hints.displayWidth}"
shortDesc="#{bindings.AppealName.hints.tooltip}"
binding="#{backingBeanScope.backing_Donation.appealNameId}"
autoSubmit="true" clientComponent="false">
<f:validator binding="#{bindings.AppealName.validator}"/>
<af:autoSuggestBehavior suggestedItems="#{backingBeanScope.backing_Donation.onSuggestAppeal}"/>
<af:clientListener method="onBlurTxtField" type="blur"/>
</af:inputListOfValues>
<af:serverListener type="onBlurNotifyServer"
method="#{backingBeanScope.backing_Donation.onBlurNotify}"/>
as you can see, af:serverListener is outside the af:inputListOfValues which probably is the reason its not executing this method?
public void onBlurNotify(ClientEvent clientEvent) {
// get a hold of the input text component
RichSelectOneChoice inputTxt = (RichSelectOneChoice) clientEvent.getComponent();
//do some work on it here (e.g. manipulating its readOnly state)
//Get access to the payload
Map parameters = clientEvent.getParameters();
System.out.println("SubmittedValue = "+parameters.get("submittedValue"));
System.out.println("LocalValue = "+parameters.get("localValue"));
I've tried to put serverListener tag inside the <af:inputListOfValues> but getting below error
"Server Listener is not valid child of Input List of Values"
any ideas please?
thanksAs first, check to see that you are using correct type for af:serverListener (thet one you are queue in the javaScript onBlurTxtField function)
If still does not work, go to directly to the page source code, and put af:serverListener "by hand", as a child for af:inputListOfValues.
Because it is possible that these messages are false alarm... -
SelectOneMenu: How can I fire a backing bean method just when click
I want that when just I click one option of Dropdown list it fires a backing bean method.
The method must take the new value of dropdown, to execute a SQL to populate a new (another one) dropdown list and refresh the page.
My code
<h:commandButton id="button1" style="left: 216px; top: 216px; position: absolute" value="Cancelar"/>
<h:commandButton id="button2" style="left: 312px; top: 216px; position: absolute" value="Generar"/>
<h:outputLabel for="componentLabel5" id="componentLabel5" style="left: 120px; top: 0px; position: absolute">
<h:outputText id="componentLabel5Text" value="Título de la Página"/>
</h:outputLabel>
<h:selectOneMenu immediate="true" value="#{fgstb.ctoId}" valueChangeListener="#{fgstb.cambiaValorCtos}" id="dropdown1" style="left: 264px; top: 72px; position: absolute; width: 120px">
<f:selectItems id="dropdown1SelectItems" value="#{fgstb.ctos}"/>
</h:selectOneMenu>
<h:selectOneRadio id="radioButtonList1" layout="pageDirection" style="left: 48px; top: 48px; position: absolute" value="#{fgstb.modo}">
<f:selectItem id="radioButton1" itemLabel="Generar Campeonato" itemValue="1"/>
<f:selectItem id="radioButton2" itemLabel="Generar desde Campeonato" itemValue="2"/>
<f:selectItem id="radioButton3" itemLabel="Generar Todos Campeonatos" itemValue="3"/>
</h:selectOneRadio>It works fine but when I push a button and I would like it works when I click over dropdown list.
Thank youHi,
You can simply add onchange="submit()" attribute to your component to allow form to be submited when the coomponent value is changed, and add also a value change listener to allow JSF to be notiifed for component value change event :
<h:selectOneMenu onchange="submit()" valueChangeListener="#{fgstb.cambiaValorCtos}"
immediate="true" value="#{fgstb.ctoId}" id="dropdown1" style="left: 264px; top: 72px; position: absolute; width: 120px">
<f:selectItems id="dropdown1SelectItems" value="#{fgstb.ctos}"/>
</h:selectOneMenu> -
ADF Faces Declarative Component onLoad event call Backing Bean Method
Hello.
We are trying to implement a declarative component, that will be used as Flex Fields for our application, ie, the components will be created dynamically through a database configuration, and who is responsible for organizing and creating the components, is the declarative components, and its own backing bean.
The declarative component, will receive a List of custom components, and with this list it is possible to create the components dynamically. We want the components to be created as soon as the page is loaded. The developer could place this declarative component in any region of his page, and even in another tab if he wishes. The problem is, that we cannot register a load event in the declarative component, since it doesn't have a document Object, to call the declarative components backing bean method that is responsible for creating components.
How could we simulate the onLoad (of the declarative components) so that the backing bean method (responsible for creating component, and putting it in the view tree) could be called ?
I've tried with a RENDER_RESPONSE phaseListener, but the beforePhase has no objects in the tree, and the afterPhase has already rendered to the client.
Any ideas on how to achieve this ?
Thanks a lot.
Regards,
JohnHi Frank, thanks for the response.
I'm curious about the dynamic declarative component. Any place I could check it out ?
Back to my scenario. I'll try to be more clear to what we need!
We have to have dynamic creation of components, based on a database configuration. This will allow our customers to have custom flex fields, without the need of us developing custom pages for each customer.
One solution we are trying out, is the declarative component. Why ? Because the developer (when developing the page), knows that this specific page, is possible of customization by the client (custom flex fields). With this, the developer would choose where on his page the custom flex fields will be placed. Note that at this point (design time), no component (input, buttrons, etc) is created. The idea of the declarative component, is just so the Developer knows where he wants the custom fields placed in his page (a tab, below the form fields, in a another panel group, and so on). The declarative component, has only a container, PanelFormLayout, and no other component.
What we want, is a way of calling our managed bean (the managed bean of the declarative component, that now I did configure it in the adfc-config.xml file , thanks for the tip) method, that's responsible for creating the custom components. The declarative component, receives a list of all the custom fields that needs to be created, at design time, through an attribute. The developer is responsible for setting this list when he drags the declarative component on his page.
Now that I've put the declarative components managed bean in the adfc-config.xml file, the @PostConstruct is called correctly, but I still have a problem. At this moment (postContstruct call), my component PanelFormLayout (that is binded to the managed bean), is null. So I cannot add any component to the PanelFormLayout.
Am I way out of line here Frank ?
Really appreciate your comments.
Thanks a lot.
John -
How to call the backing bean method through javascript
Hi
I have a command button associated with actionListener . Action Listener method associated with backing bean methods.
I want to fire the event on command button and backing bean method should be invoked from javascript dynamically.
can anybody help me asapJSF<h:form id="formId">
<h:commandButton id="buttonId" value="submit" actionListener="#{myBean.action}" />
</h:form>JSdocument.getElementById('formId:buttonId').click(); -
Accessing a JSF element from a back bean method
Hi,
short question, can I access the JSF element from a back bean method?
So, for example, if I have the following JSF code:
<h:panelGroup id="test1" rendered="#{bean.someMethod}">...</h:panelGroup>
<h:panelGroup id="test2" rendered="#{bean.someMethod}">...</h:panelGroup>
<h:panelGroup id="test3" rendered="#{bean.someMethod}">...</h:panelGroup>
Can I found out in some way, which element (esp. which ID) calls the someMethod-method?
Kind regards
MatthiasThere are more possibilities as well. If you depend it on for example the User's rights/groups, then you can also do for example:
rendered="#{user.admin}" // getter = public boolean isAdmin()
rendered="#{user.groupName == 'admin'}" // getter = public String getGroupName()
rendered="#{user.groupId > 1}" // getter = public int getGroupId()
rendered="#{fn:contains(user.groups, 'admin')}" // getter = public String[] getGroups() or public List<String> getGroups()
etc..I think it's after all just a matter of learning about the capabilities of EL a bit more. -
Could not invoke the service() method when the JSP page is loaded
I am new to servlets/jsp so excuse if I am doing something silly here:
I have a JSP page the suppose to be loading a session attrbute from a simple servlet. When I go to load the jsp page, I get Could not invoke the service() method.
Any help is much appreciated:
Here is my JSP:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ page session="true" import="insurance.PolicyObj,java.util.*"%>
<% Vector VTable = (Vector) session.getAttribute("policyTable"); %>
<HTML>
<BODY>
<Form name=listTable action="InsSer" method="post">
<TABLE border="1">
<TBODY>
<TR>
<TD width="258" align="center"><B>Policy Id</B></TD>
<TD width="187" align="center"><B>Customer Name</B></TD>
<TD width="160" align="center"><B>Agent Name</B></TD>
<TD width="134" align="center"><B>Status</B></TD>
</TR>
<TR>
<%
for (int index=0; index < VTable.size();index++) {
PolicyObj TableL = (PolicyObj) VTable.elementAt(index);
%>
<TR bgcolor="#99CCFF">
<TD width="258" align="center"> <%= TableL.getPolicyId()%> </TD>
<TD width="187" align="center"> <%= TableL.getCustomerName()%> </TD>
<TD width="187" align="center"> <%= TableL.getAgentName() %> </TD>
<TD width="187" align="center"> <%= TableL.getPolicyStatus() %></TD>
</TR>
<% } %>
</TBODY>
</TABLE>
<P><INPUT type="submit" name="Submit" value="Refresh Active Policies"></P>
</BODY>
</HTML>
Here is my servlet:
package insurance;
import java.io.IOException;
import java.util.Vector;
import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class InsSer extends HttpServlet implements Servlet {
/* (non-Java-doc)
* @see javax.servlet.http.HttpServlet#HttpServlet()
public InsSer() {
super();
/* (non-Java-doc)
* @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest arg0, HttpServletResponse resp)
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
doPost(req,resp);
// TODO Auto-generated method stub
/* (non-Java-doc)
* @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest arg0, HttpServletResponse resp)
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//PolicyObj[] policyTable = new PolicyObj[3];
HttpSession session = req.getSession(false);
//if (session == null) {
//resp.sendRedirect("http://localhost:9080/Insurance/error.html");
//Vector buylist = (Vector) session.getAttribute("PolicyList");
Vector policyList = null;
policyList.addElement(new PolicyObj());
((PolicyObj) policyList.get(0)).setPolicyId("0009800002");
((PolicyObj) policyList.get(0)).setCustomerName("Salim Zeitouni");
((PolicyObj) policyList.get(0)).setAgentName("Jack Smith");
((PolicyObj) policyList.get(0)).setPolicyStatus("Pending");
session.setAttribute("policyTable",policyList);
ServletContext sc = getServletContext();
RequestDispatcher rd = sc.getRequestDispatcher("InsSev1.jsp");
rd.forward(req,resp);
Message was edited by:
sfz1
Message was edited by:
sfz1I am new to servlets/jsp so excuse if I am doing something silly here:
I have a JSP page the suppose to be loading a session attrbute from a simple servlet. When I go to load the jsp page, I get Could not invoke the service() method.
Any help is much appreciated:
Here is my JSP:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ page session="true" import="insurance.PolicyObj,java.util.*"%>
<% Vector VTable = (Vector) session.getAttribute("policyTable"); %>
<HTML>
<BODY>
<Form name=listTable action="InsSer" method="post">
<TABLE border="1">
<TBODY>
<TR>
<TD width="258" align="center"><B>Policy Id</B></TD>
<TD width="187" align="center"><B>Customer Name</B></TD>
<TD width="160" align="center"><B>Agent Name</B></TD>
<TD width="134" align="center"><B>Status</B></TD>
</TR>
<TR>
<%
for (int index=0; index < VTable.size();index++) {
PolicyObj TableL = (PolicyObj) VTable.elementAt(index);
%>
<TR bgcolor="#99CCFF">
<TD width="258" align="center"> <%= TableL.getPolicyId()%> </TD>
<TD width="187" align="center"> <%= TableL.getCustomerName()%> </TD>
<TD width="187" align="center"> <%= TableL.getAgentName() %> </TD>
<TD width="187" align="center"> <%= TableL.getPolicyStatus() %></TD>
</TR>
<% } %>
</TBODY>
</TABLE>
<P><INPUT type="submit" name="Submit" value="Refresh Active Policies"></P>
</BODY>
</HTML>
Here is my servlet:
package insurance;
import java.io.IOException;
import java.util.Vector;
import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class InsSer extends HttpServlet implements Servlet {
/* (non-Java-doc)
* @see javax.servlet.http.HttpServlet#HttpServlet()
public InsSer() {
super();
/* (non-Java-doc)
* @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest arg0, HttpServletResponse resp)
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
doPost(req,resp);
// TODO Auto-generated method stub
/* (non-Java-doc)
* @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest arg0, HttpServletResponse resp)
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//PolicyObj[] policyTable = new PolicyObj[3];
HttpSession session = req.getSession(false);
//if (session == null) {
//resp.sendRedirect("http://localhost:9080/Insurance/error.html");
//Vector buylist = (Vector) session.getAttribute("PolicyList");
Vector policyList = null;
policyList.addElement(new PolicyObj());
((PolicyObj) policyList.get(0)).setPolicyId("0009800002");
((PolicyObj) policyList.get(0)).setCustomerName("Salim Zeitouni");
((PolicyObj) policyList.get(0)).setAgentName("Jack Smith");
((PolicyObj) policyList.get(0)).setPolicyStatus("Pending");
session.setAttribute("policyTable",policyList);
ServletContext sc = getServletContext();
RequestDispatcher rd = sc.getRequestDispatcher("InsSev1.jsp");
rd.forward(req,resp);
Message was edited by:
sfz1
Message was edited by:
sfz1 -
How to call backing bean method from java script
Hi,
I would like to know how to call backing bean method from java script.
I am aware of serverListener and [AjaxAutoSuggest article|http://www.oracle.com/technology/products/jdev/tips/mills/AjaxAutoSuggest/AjaxAutoSuggest.html]
but i am running in to some issues with [AjaxAutoSuggest article|http://www.oracle.com/technology/products/jdev/tips/mills/AjaxAutoSuggest/AjaxAutoSuggest.html]
regarding which i asked for help in other thread with subject ....Question on AjaxAutoSuggest article (Ajax Transactions Using ADF and J...)
The reason why i posted is ( though i realise both are duplicates) .. that threads looks as a specific question to that article hence i would like to ask the quantified problem is asked in this thread.
So could any please letme know how to call backing bean method from java script
Thanks
Murali
Edited by: mchepuri on Oct 24, 2009 6:17 PM
Edited by: mchepuri on Oct 24, 2009 6:20 PMHello,
May know how to submit a button autoamtically on onload of page with clicking a welcome alert box. the submit button has managed button too to show a message on console using SOP.
the problem is.
1. before loading the page a javascript comes on which i clicked ok
2. the page gets loaded and the button is there which gets automatically clicked and the managed bean associated with prints a message on console using SOP.
I m trying to do this through server listener and click listener. the code is(adf jspx page)
<?xml version='1.0' encoding='UTF-8'?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:af="http://xmlns.oracle.com/adf/faces/rich">
<jsp:directive.page contentType="text/html;charset=UTF-8"/>
<f:view>
<af:document id="d1" binding="#{backingBeanScope.backing_check4.d1}">
<af:form id="f1" binding="#{backingBeanScope.backing_check4.f1}">
<af:commandButton text="commandButton 1"
binding="#{backingBeanScope.backing_check4.cb1}"
id="cb1" action="#{beanCheck4.submit1}"/>
<af:clientListener type="click" method="delRow"/>
<af:serverListener type= "jsServerListener"
method="#{backingBeanScope.backing_check4.submit1}"/>
<f:facet name="metaContainer">
<af:resource type ="javascript">
x=confirm("hi");
// if(x){
delRow = function(event){
AdfCustomEvent.queue(event.getSource(), "jsServerListener", {}, false);
return true;
</af:resource>
</f:facet>
</af:form>
</af:document>
</f:view>
<!--oracle-jdev-comment:auto-binding-backing-bean-name:backing_check4-->
</jsp:root>
the backing bean code is -----
public class classCheck4 {
public classCheck4() {
public String submit1() {
System.out.println("hello");
return null;
}
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