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https://issues.apache.org/jira/browse/MYFACES-4669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17850692#comment-17850692
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Melloware commented on MYFACES-4669:
------------------------------------
What it seems to come down to is this.
{code:java}
var htmlTag = new UIOutput();
htmlTag.setValue("<html xmlns=\"http://www.w3.org/1999/xhtml\";>");
rootChildren.add(htmlTag);
{code}
MyFaces escapes that but Mojarra just renders it exactly to browser. I don't
know what the Faces spec says about this....
> Programmatic Facelet Not Rendering Correctly
> --------------------------------------------
>
> Key: MYFACES-4669
> URL: https://issues.apache.org/jira/browse/MYFACES-4669
> Project: MyFaces Core
> Issue Type: Bug
> Components: General
> Affects Versions: 4.0.2, 5.0.0, 4.1.0-RC3
> Reporter: Melloware
> Assignee: Werner Punz
> Priority: Major
> Attachments: image-2024-05-28-17-42-16-539.png,
> image-2024-05-28-17-43-37-052.png, programmatic_view.zip
>
>
> Attached is an example:
> Run
> {code:java}
> mvn clean jetty:run -Pmojarra40{code}
> and navigate to [http://localhost:8080/facelet.xhtml] you will see the
> programmatic view renders correctly.
> !image-2024-05-28-17-42-16-539.png!
>
> Run
> {code:java}
> mvn clean jetty:run -Pmyfaces40{code}
> and navigate to [http://localhost:8080/facelet.xhtml] you will see the
> programmatic view renders incorrectly with ESCAPED HTML tags. [~werpu] this
> looks like more double escaping for XML?
> !image-2024-05-28-17-43-37-052.png!
> {code:java}
> package org.apache.myfaces.core.extensions.quarkus.showcase.view;
> import jakarta.enterprise.context.ApplicationScoped;
> import jakarta.faces.annotation.View;
> import jakarta.faces.application.StateManager;
> import jakarta.faces.component.UIComponent;
> import jakarta.faces.component.UIOutput;
> import jakarta.faces.component.html.HtmlBody;
> import jakarta.faces.component.html.HtmlCommandButton;
> import jakarta.faces.component.html.HtmlForm;
> import jakarta.faces.component.html.HtmlOutputText;
> import jakarta.faces.context.FacesContext;
> import jakarta.faces.view.facelets.Facelet;
> @View("/facelet.xhtml")
> @ApplicationScoped
> public class FaceletView extends Facelet
> {
> @Override
> public void apply(FacesContext facesContext, UIComponent parent)
> {
> if
> (!facesContext.getAttributes().containsKey(StateManager.IS_BUILDING_INITIAL_STATE))
> {
> return;
> }
> var components = new ComponentBuilder(facesContext);
> var rootChildren = parent.getChildren();
> var doctype = new UIOutput();
> doctype.setValue("<!DOCTYPE html>");
> rootChildren.add(doctype);
> var htmlTag = new UIOutput();
> htmlTag.setValue("<html xmlns=\"http://www.w3.org/1999/xhtml\";>");
> rootChildren.add(htmlTag);
> HtmlBody body = components.create(HtmlBody.COMPONENT_TYPE);
> rootChildren.add(body);
> HtmlForm form = components.create(HtmlForm.COMPONENT_TYPE);
> form.setId("form");
> body.getChildren().add(form);
> HtmlOutputText message =
> components.create(HtmlOutputText.COMPONENT_TYPE);
> message.setId("message");
> HtmlCommandButton actionButton =
> components.create(HtmlCommandButton.COMPONENT_TYPE);
> actionButton.setId("button");
> actionButton.addActionListener(
> e -> message.setValue("Hello, World! Welcome to Faces 4.0 on
> Jakarta EE 10"));
> actionButton.setValue("Greet");
> form.getChildren().add(actionButton);
> parent.getChildren().add(message);
> htmlTag = new UIOutput();
> htmlTag.setValue("</html>");
> rootChildren.add(htmlTag);
> }
> private static class ComponentBuilder
> {
> FacesContext facesContext;
> ComponentBuilder(FacesContext facesContext)
> {
> this.facesContext = facesContext;
> }
> @SuppressWarnings("unchecked")
> <T> T create(String componentType)
> {
> try
> {
> return (T)
> facesContext.getApplication().createComponent(componentType);
> }
> catch (ClassCastException e)
> {
> throw new IllegalArgumentException("Component type " +
> componentType + " is not valid.", e);
> }
> }
> }
> }
> {code}
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