Examples of org.apache.tapestry5.MarkupWriter

org.apache.tapestry5.MarkupWriter
An interface used by objects, such as Tapestry components, that need to render themselves as some form of XML markup. A markup writer maintains the idea of a current element. Attributes are added to the current element, and new text and elements are placed inside the current element. In this way, the markup writer maintains a facade that XML markup is generated as a stream, even though the implementation builds a kind of DOM tree. The DOM tree can be also be manipulated. This solves a number of problems from Tapestry 4 (and earlier) where random access to the DOM was desired and had to be simulated through complex buffering.

        TranslatorSource ts = mockTranslatorSource();
        FormSupport fs = mockFormSupport();
        Translator translator = mockTranslator("maptrans", Map.class);
        Messages globalMessages = mockMessages();
        MessageFormatter formatter = mockMessageFormatter();
        MarkupWriter writer = mockMarkupWriter();
        String label = "Field Label";
        String message = "Woops, did it again.";
        AnnotationProvider ap = mockAnnotationProvider(null);


        train_findByType(ts, propertyType, translator);

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        Class propertyType = Map.class;
        TranslatorSource ts = mockTranslatorSource();
        FormSupport fs = mockFormSupport();
        Translator translator = mockTranslator("maptrans", Map.class);
        MessageFormatter formatter = mockMessageFormatter();
        MarkupWriter writer = mockMarkupWriter();
        String label = "My Label";
        String message = "Formatted Message";
        AnnotationProvider ap = mockAnnotationProvider(null);


        train_findByType(ts, propertyType, translator);

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        Class propertyType = Map.class;
        TranslatorSource ts = mockTranslatorSource();
        FormSupport fs = mockFormSupport();
        Translator translator = mockTranslator("maptrans", Map.class);
        MessageFormatter formatter = mockMessageFormatter();
        MarkupWriter writer = mockMarkupWriter();
        String label = "My Label";
        String message = "Formatted Message";
        AnnotationProvider ap = mockAnnotationProvider(null);


        train_findByType(ts, propertyType, translator);

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        TranslatorSource ts = mockTranslatorSource();
        FormSupport fs = mockFormSupport();
        Translator translator = mockTranslator("map", Map.class);
        Messages globalMessages = mockMessages();
        MessageFormatter formatter = mockMessageFormatter();
        MarkupWriter writer = mockMarkupWriter();
        String label = "My Label";
        String message = "Formatted Message";


        train_getComponent(resources, field);
        train_getId(resources, "myfield");

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{
    @Test
    public void non_empty_iterator()
    {
        Heartbeat hb = mockHeartbeat();
        MarkupWriter writer = mockMarkupWriter();


        // Really hard to test the exact timing of all this; it will have to
        // be "proven" by integration tests.


        hb.begin();

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    }


    @Test
    public void remove_while_rendering()
    {
        MarkupWriter writer = new MarkupWriterImpl(new XMLMarkupModel());


        writer.element("ul");


        for (int i = 0; i < 4; i++)
        {
            Element e = writer.element("li");


            if (i != 2)
            {
                writer.write(String.valueOf(i));
            }


            writer.end();


            if (e.getChildren().isEmpty())
            {
                e.remove();
            }
        }


        writer.end();


        assertEquals(writer.toString(), "<?xml version=\"1.0\"?>\n" +
                "<ul><li>0</li><li>1</li><li>3</li></ul>");
    }

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    public void render_informal_parameters_no_bindings()
    {
        ComponentPageElement element = mockComponentPageElement();
        Component component = mockComponent();
        Instantiator ins = mockInstantiator(component);
        MarkupWriter writer = mockMarkupWriter();
        TypeCoercer coercer = mockTypeCoercer();
        ComponentModel model = mockComponentModel();


        train_getModel(ins, model);

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    public void render_informal_parameters_skips_formal_parameters()
    {
        ComponentPageElement element = mockComponentPageElement();
        Component component = mockComponent();
        Instantiator ins = mockInstantiator(component);
        MarkupWriter writer = mockMarkupWriter();
        ComponentModel model = mockComponentModel();
        ParameterModel pmodel = mockParameterModel();
        Binding binding = mockBinding();


        train_getModel(ins, model);

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    public void render_an_informal_parameter()
    {
        ComponentPageElement element = mockComponentPageElement();
        Component component = mockComponent();
        Instantiator ins = mockInstantiator(component);
        MarkupWriter writer = mockMarkupWriter();
        ComponentModel model = mockComponentModel();
        Binding binding = mockBinding();
        Object rawValue = new Long(97);


        train_getModel(ins, model);


        train_getParameterModel(model, "fred", null);


        train_get(binding, rawValue);


        writer.attributes("fred", "97");


        replay();


        InternalComponentResources resources = new InternalComponentResourcesImpl(null, element, null,
                elementResources, "Foo.bar", null, ins, false);

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     * TAP5-349
     */
    @Test
    public void single_root_element_only()
    {
        MarkupWriter w = new MarkupWriterImpl(new XMLMarkupModel());


        w.element("root1");
        w.end();


        try
        {
            w.element("root2");
            unreachable();
        }
        catch (RuntimeException ex)
        {
            assertEquals(ex.getMessage(),

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