Examples of org.apache.tapestry.engine.ILink

org.apache.tapestry.engine.ILink
Define a link that may be generated as part of a page render. The vast majority of links are tied to {@link IEngineService services} and are, infact, callbacks. A small number, such as those generated by {@link org.apache.tapestry.link.GenericLink} component, are to arbitrary locations.In addition, ILink differentiates between the path portion of the link, and any query parameters encoded into a link, primarily to benefit {@link org.apache.tapestry.form.Form}, which needs to encode the query parameters as hidden form fields.
In addition, an ILink is responsible for passing constructed URLs through {@link org.apache.tapestry.IRequestCycle#encodeURL(String)}as needed. @author Howard Lewis Ship @version $Id: ILink.java 243791 2004-02-19 17:38:13Z hlship $ @since 3.0

        lf.initializeService();


        Map parameters = new HashMap();
        parameters.put(ServiceConstants.SERVICE, "myservice");


        ILink link = lf.constructLink(cycle, parameters, false);


        verifyControls();


        assertEquals("/context/app?service=myservice", link.getURL());
    }

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        Map parameters = new HashMap();
        parameters.put(ServiceConstants.SERVICE, "page");
        parameters.put(ServiceConstants.PAGE, "Barney");


        ILink link = lf.constructLink(cycle, parameters, false);


        verifyControls();


        assertEquals("/context/Barney.html", link.getURL());
    }

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        parameters.put(ServiceConstants.SERVICE, "external");
        parameters.put(ServiceConstants.PAGE, "Barney");
        parameters.put(ServiceConstants.PARAMETER, new Object[]
        { Boolean.TRUE });


        ILink link = lf.constructLink(cycle, parameters, false);


        verifyControls();


        assertEquals("/context/Barney.ext?sp=T", link.getURL());


    }

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        _chartProvider = chartProvider;
    }


    public String buildURL(IRequestCycle cycle)
    {
        ILink l = _chartService.getLink(cycle, _chartProvider, null);


        return l.getURL();
    }

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        checkOrder(cycle, false);
        
        ResponseBuilder resp = newMock(ResponseBuilder.class);
        IEngineService engine = newMock(IEngineService.class);
        IEngine cengine = newMock(IEngine.class);
        ILink link = newMock(ILink.class);
        IScript script = newMock(IScript.class);
        PageRenderSupport prs = newMock(PageRenderSupport.class);


        TranslatedFieldSupport translator = newMock(TranslatedFieldSupport.class);
        ValidatableFieldSupport validator = newMock(ValidatableFieldSupport.class);


        IValidationDelegate delegate = new ValidationDelegate();
        IForm form = newMock(IForm.class);
        IMarkupWriter writer = newBufferWriter();


        Suggest comp = newInstance(Suggest.class,
                                   "response", resp,
                                   "templateTagName", "input",
                                   "name", "suggest",
                                   "clientId", "suggest",
                                   "form", form,
                                   "translatedFieldSupport", translator,
                                   "validatableFieldSupport", validator,
                                   "engineService", engine,
                                   "script", script);


        expect(cycle.isRewinding()).andReturn(false).anyTimes();
        expect(resp.isDynamic()).andReturn(false);
        expect(cycle.getAttribute(TapestryUtils.FORM_ATTRIBUTE)).andReturn(form).anyTimes();


        expect(form.wasPrerendered(writer, comp)).andReturn(false).anyTimes();
        expect(form.getDelegate()).andReturn(delegate).anyTimes();
        expect(form.getElementId(comp)).andReturn("suggest");
        expect(form.isRewinding()).andReturn(false).anyTimes();


        form.setFormFieldUpdating(true);
        
        expect(translator.format(comp, null)).andReturn("r2d2");
        translator.renderContributions(comp, writer, cycle);
        validator.renderContributions(comp, writer, cycle);


        expect(cycle.getEngine()).andReturn(cengine);
        expect(cengine.getOutputEncoding()).andReturn("utf-8");
        expect(engine.getLink(eq(false), isA(DirectServiceParameter.class))).andReturn(link);
        expect(link.getURL()).andReturn("http://url");


        Capturer<Map> parm = newCapturer(Map.class);


        trainGetAttribute(cycle, TapestryUtils.PAGE_RENDER_SUPPORT_ATTRIBUTE, prs);
        script.execute(eq(comp), eq(cycle), eq(prs), capture(parm));

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        checkOrder(cycle, false);


        ResponseBuilder resp = newMock(ResponseBuilder.class);
        IEngineService engine = newMock(IEngineService.class);
        IEngine cengine = newMock(IEngine.class);
        ILink link = newMock(ILink.class);
        IScript script = newMock(IScript.class);
        PageRenderSupport prs = newMock(PageRenderSupport.class);


        TranslatedFieldSupport translator = newMock(TranslatedFieldSupport.class);
        ValidatableFieldSupport validator = newMock(ValidatableFieldSupport.class);


        IValidationDelegate delegate = new ValidationDelegate();
        IForm form = newMock(IForm.class);
        IMarkupWriter writer = newBufferWriter();


        Suggest comp = newInstance(Suggest.class,
                                   "response", resp,
                                   "templateTagName", "textarea",
                                   "name", "suggest",
                                   "clientId", "suggest",
                                   "form", form,
                                   "translatedFieldSupport", translator,
                                   "validatableFieldSupport", validator,
                                   "engineService", engine,
                                   "script", script);


        expect(cycle.isRewinding()).andReturn(false).anyTimes();
        expect(resp.isDynamic()).andReturn(false);
        expect(cycle.getAttribute(TapestryUtils.FORM_ATTRIBUTE)).andReturn(form).anyTimes();


        expect(form.wasPrerendered(writer, comp)).andReturn(false).anyTimes();
        expect(form.getDelegate()).andReturn(delegate).anyTimes();
        expect(form.getElementId(comp)).andReturn("suggest");
        expect(form.isRewinding()).andReturn(false).anyTimes();


        form.setFormFieldUpdating(true);


        expect(translator.format(comp, null)).andReturn("r2d2");
        translator.renderContributions(comp, writer, cycle);
        validator.renderContributions(comp, writer, cycle);


        expect(cycle.getEngine()).andReturn(cengine);
        expect(cengine.getOutputEncoding()).andReturn("utf-8");
        expect(engine.getLink(eq(false), isA(DirectServiceParameter.class))).andReturn(link);
        expect(link.getURL()).andReturn("http://url");


        Capturer<Map> parm = newCapturer(Map.class);


        trainGetAttribute(cycle, TapestryUtils.PAGE_RENDER_SUPPORT_ATTRIBUTE, prs);
        script.execute(eq(comp), eq(cycle), eq(prs), capture(parm));

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            listenerParams = new Object[1];
        }


        listenerParams[0] = getClientId();


        ILink updateLink = getEngineService().getLink(isStateful(), new DirectServiceParameter(this, listenerParams));
        parms.put("updateUrl", updateLink.getURL());


        PageRenderSupport pageRenderSupport = TapestryUtils.getPageRenderSupport(cycle, this);
        getScript().execute(this, cycle, pageRenderSupport, parms);
    }

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        IMarkupWriter writer = newWriter();
        NestedMarkupWriter nested = newNestedWriter();
        IRequestCycle cycle = newCycle();
        ResponseBuilder builder = newMock(ResponseBuilder.class);
        IValidationDelegate delegate = newDelegate();
        ILink link = newLink();
        IRender render = newRender();


        MockForm form = new MockForm(delegate);


        trainIsRewound(cycle, form, false);

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        NestedMarkupWriter nested = newNestedWriter();
        IRequestCycle cycle = newCycle();
        ResponseBuilder builder = newMock(ResponseBuilder.class);
        IValidationDelegate delegate = newDelegate();
        PageRenderSupport support = newPageRenderSupport();
        ILink link = newLink();
        IRender render = newRender();


        MockForm form = new MockForm(delegate);


        trainIsRewound(cycle, form, false);

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        NestedMarkupWriter nested = newNestedWriter();
        IRequestCycle cycle = newCycle();
        ResponseBuilder builder = newMock(ResponseBuilder.class);
        IValidationDelegate delegate = newDelegate();
        PageRenderSupport support = newPageRenderSupport();
        ILink link = newLink();
        IRender render = newRender();


        MockForm form = new MockForm(delegate);


        trainIsRewound(cycle, form, false);

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