Examples of org.apache.tapestry.services.ResponseBuilder

org.apache.tapestry.services.ResponseBuilder
Represents the service responsible for managing all content output that is sent to the client. In the case of normal http responses this management would inlude handing out {@link IMarkupWriter} instances to render components with, as well as managing any javascript written to the output using Script templates.
This is a major internal change in terms of the way tapestry renders pages/components. Traditionally a response has been rendered via: IPage.render(writer, cycle); The logic has now changed somewhat, while the IPage.render(writer, cycle) does still happen, this service is the primary invoker of all renders, even nested component bodies. That means that in the majority of cases the ResponseBuilder service is used to invoke IComponent.render() throught the entire render cycle, creating a great deal of flexibility in terms of what can be done to control the output of a given response.

This service was primarily created to help bolster support for more dynamic content responses, such as XHR/JSON/etc - where controlling individual component output (and javascript) becomes very important when managaing client side browser state.
@author jkuhnert @since 4.1

    {
        IRender render = newMock(IRender.class);
        IRequestCycle cycle = newMock(IRequestCycle.class);
        IMarkupWriter writer = newMock(IMarkupWriter.class);


        ResponseBuilder builder = new DojoAjaxResponseBuilder(cycle, writer, null);


        render.render(NullWriter.getSharedInstance(), cycle);


        replay();


        builder.render(null, render, cycle);


        verify();


        assertSame(builder.getWriter(), writer);
    }

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    public void test_Null_Contains()
    {
        IRequestCycle cycle = newMock(IRequestCycle.class);
        IMarkupWriter writer = newWriter();


        ResponseBuilder builder = new DojoAjaxResponseBuilder(cycle, writer, null);


        replay();


        builder.isBodyScriptAllowed(null);


        verify();
    }

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        IMarkupWriter writer = newWriter();


        List parts = new ArrayList();
        parts.add("comp1");


        ResponseBuilder builder = new DojoAjaxResponseBuilder(cycle, writer, parts);


        expect(comp.getClientId()).andReturn("comp");


        expect(cycle.renderStackIterator()).andReturn(Collections.EMPTY_LIST.iterator());


        expect(comp.getClientId()).andReturn("comp1");
        expect(comp.getClientId()).andReturn("comp");


        expect(cycle.renderStackIterator()).andReturn(Collections.EMPTY_LIST.iterator());


        replay();


        assertFalse(builder.isBodyScriptAllowed(comp));
        assertTrue(builder.isExternalScriptAllowed(comp));
        assertFalse(builder.isInitializationScriptAllowed(comp));


        verify();
    }

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        parts.add("comp1");


        List stack = new ArrayList();
        stack.add(comp);


        ResponseBuilder builder = new DojoAjaxResponseBuilder(cycle, writer, parts);


        expect(comp.getClientId()).andReturn("comp").anyTimes();


        expect(cycle.renderStackIterator()).andReturn(stack.iterator()).anyTimes();


        replay();


        assertFalse(builder.isBodyScriptAllowed(comp));
        assertFalse(builder.isExternalScriptAllowed(comp));
        assertFalse(builder.isInitializationScriptAllowed(comp));


        verify();
    }

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        ValidatableFieldSupport vfs = newMock(ValidatableFieldSupport.class);
        TranslatedFieldSupport tfs = newMock(TranslatedFieldSupport.class);


        DateTranslator translator = new DateTranslator();
        translator.setPattern("hh:mm a");
        ResponseBuilder resp = newMock(ResponseBuilder.class);


        IRequestCycle cycle = newMock(IRequestCycle.class);
        IForm form = newMock(IForm.class);
        checkOrder(form, false);
        IPage page = newPage();
        Locale locale = Locale.getDefault();


        MockDelegate delegate = new MockDelegate();


        IScript script = newMock(IScript.class);


        Date dtValue = new Date();


        GTimePicker component = newInstance(GTimePicker.class,
                                            "name", "fred",
                                            "script", script,
                                            "validatableFieldSupport", vfs,
                                            "translatedFieldSupport", tfs,
                                            "translator", translator,
                                            "value", dtValue,
                                            "page", page);


        expect(cycle.renderStackPush(component)).andReturn(component);
        expect(form.getName()).andReturn("testform").anyTimes();


        form.setFormFieldUpdating(true);


        IMarkupWriter writer = newBufferWriter();


        trainGetForm(cycle, form);
        trainWasPrerendered(form, writer, component, false);


        trainGetDelegate(form, delegate);


        delegate.setFormComponent(component);


        trainGetElementId(form, component, "fred");
        trainIsRewinding(form, false);
        expect(cycle.isRewinding()).andReturn(false).anyTimes();


        delegate.setFormComponent(component);


        expect(cycle.getResponseBuilder()).andReturn(resp).anyTimes();
        expect(resp.isDynamic()).andReturn(false).anyTimes();


        expect(tfs.format(component, dtValue)).andReturn(dtValue.toString());


        tfs.renderContributions(component, writer, cycle);
        vfs.renderContributions(component, writer, cycle);

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    {
        IMarkupWriter writer = newWriter();
        IRequestCycle cycle = newCycle();
        IRender body = newMock(IRender.class);
        
        ResponseBuilder builder = newMock(ResponseBuilder.class);
        
        Conditional conditional = newInstance(Conditional.class, 
                new Object[] { "condition", Boolean.TRUE, "element", "div" });
        
        expect(cycle.renderStackPush(conditional)).andReturn(conditional);
        
        expect(cycle.isRewinding()).andReturn(true);
        
        expect(cycle.getResponseBuilder()).andReturn(builder);
        
        builder.render(writer, body, cycle);
        
        expect(cycle.renderStackPop()).andReturn(conditional);
        
        replay();

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    public void test_Render(String outcome, Boolean local)
    {
        IAutocompleteModel model = createModel();
        ValidatableFieldSupport vfs = newMock(ValidatableFieldSupport.class);
        DataSqueezer ds = newMock(DataSqueezer.class);
        ResponseBuilder resp = newMock(ResponseBuilder.class);


        IRequestCycle cycle = newMock(IRequestCycle.class);
        IForm form = newMock(IForm.class);
        checkOrder(form, false);


        MockDelegate delegate = new MockDelegate();


        IEngineService engine = newEngineService();
        ILink link = newLink();


        IScript script = newMock(IScript.class);


        SimpleBean match = new SimpleBean(new Integer(2), "Simple 2", 200);


        Autocompleter component = newInstance(Autocompleter.class,
                                              new Object[] {
                                                "name", "fred", "model", model,
                                                "directService", engine,
                                                "script", script,
                                                "validatableFieldSupport", vfs,
                                                "value", match,
                                                "dataSqueezer", ds, "local", local
                                              });


        expect(cycle.renderStackPush(component)).andReturn(component);


        expect(form.getName()).andReturn("testform").anyTimes();


        form.setFormFieldUpdating(true);


        IMarkupWriter writer = newBufferWriter();


        DirectServiceParameter dsp =
          new DirectServiceParameter(component);


        trainGetForm(cycle, form);
        trainWasPrerendered(form, writer, component, false);


        trainGetDelegate(form, delegate);


        delegate.setFormComponent(component);


        trainGetElementId(form, component, "fred");
        trainIsRewinding(form, false);
        expect(cycle.isRewinding()).andReturn(false).anyTimes();


        delegate.setFormComponent(component);


        expect(cycle.getResponseBuilder()).andReturn(resp).anyTimes();
        expect(resp.isDynamic()).andReturn(false).anyTimes();


        vfs.renderContributions(component, writer, cycle);
        if (!local.booleanValue())
        {
            trainGetLinkCheckIgnoreParameter(engine, cycle, true, dsp, link);

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        FakeComponent c = (FakeComponent) creator.newInstance(FakeComponent.class);
        
        TestRender[] list = new TestRender[50];
        
        ResponseBuilder builder = 
            new DefaultResponseBuilder(writer);
        
        for (int i = 0; i < list.length; i++)
        {
            list[i] = new TestRender();

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        IMarkupWriter writer = _markupWriterSource.newMarkupWriter(printWriter, contentType);
        String namespace = _response.getNamespace();
        
        IMarkupWriter nested = writer.getNestedWriter();


        ResponseBuilder builder = new DefaultResponseBuilder(cycle, nested, _assetFactory, namespace, false);
        
        builder.renderResponse(cycle);
        
        String id = "Tapestry Portlet " + _applicationId + " " + namespace;
        
        writer.comment("BEGIN " + id);
        writer.comment("Page: " + page.getPageName());
        writer.comment("Generated: " + new Date());
        writer.comment("Framework version: " + Tapestry.VERSION);
        
        builder.writeBodyScript(writer, cycle);
        
        nested.close();
        
        builder.writeInitializationScript(writer);


        writer.comment("END " + id);
        
        writer.close();

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    public void test_Render()
    {
        IRequestCycle cycle = newMock(IRequestCycle.class);
        IMarkupWriter writer = newBufferWriter();
        ValueConverter conv = newMock(ValueConverter.class);
        ResponseBuilder resp = newMock(ResponseBuilder.class);
        IComponentSpecification spec = newSpec();
        IParameterSpecification pspec = newMock(IParameterSpecification.class);
        
        List src = new ArrayList();
        src.add("Test1");
        src.add("Test2");
        
        IBinding source = newBinding(src);
        
        ForBean bean = newInstance(ForBean.class, new Object[] {
            "valueConverter", conv,
            "responseBuilder", resp,
            "templateTagName", "div",
            "renderTag", true,
            "specification", spec
            });
        
        expect(cycle.renderStackPush(bean)).andReturn(bean);
        
        expect(cycle.isRewinding()).andReturn(false);
        
        expect(cycle.getAttribute(TapestryUtils.FORM_ATTRIBUTE)).andReturn(null);
        
        expect(spec.getParameter("source")).andReturn(pspec).anyTimes();
        
        expect(conv.coerceValue(src, Iterator.class)).andReturn(src.iterator());
        
        expect(resp.isDynamic()).andReturn(false).anyTimes();
        
        expect(cycle.getResponseBuilder()).andReturn(resp).anyTimes();
        
        IRender body = newMock(IRender.class);
        
        resp.render(writer, body, cycle);
        expectLastCall().anyTimes();
        
        expect(cycle.renderStackPop()).andReturn(bean);
        
        replay();

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org.apache.tapestry.dojo.form.TestDropdownTimePicker

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