Examples of org.apache.velocity.tools.view.VelocityView

org.apache.velocity.tools.view.VelocityView
The class provides the following features:
- renders Velocity templates
- provides support for an auto-loaded, configurable toolbox
- provides transparent access to the servlet request attributes, servlet session attributes and servlet context attributes by auto-searching them
- logs to the logging facility of the servlet API
VelocityView supports the following configuration parameters in web.xml:

org.apache.velocity.toolbox

Path and name of the toolbox configuration file. The path must be relative to the web application root directory. If this parameter is not found, the servlet will check for a toolbox file at '/WEB-INF/tools.xml'.

org.apache.velocity.properties

Path and name of the Velocity configuration file. The path must be relative to the web application root directory. If this parameter is not present, Velocity will check for a properties file at '/WEB-INF/velocity.properties'. If no file is found there, then Velocity is initialized with the settings in the classpath at 'org.apache.velocity.tools.view.velocity.properties'.

There are methods you may wish to override to access, alter or control any part of the request processing chain. Please see the javadocs for more information on :
- {@link #setContentType} :
  for changing the content type on a requestby request basis
- {@link #requestCleanup} :
  post rendering resource or other cleanup
- {@link #error} :
  error handling
@author Dave Bryson @author Jon S. Stevens @author Gabe Sidler @author Geir Magnusson Jr. @author Kent Johnson @author Daniel Rall @author Nathan Bubna @version $Id: VelocityView.java 511959 2007-02-26 19:24:39Z nbubna $




    protected void initializeView()
    {
        // get the VelocityView for this app
        VelocityView view =
            ServletUtils.getVelocityView(this.pageContext.getServletConfig());


        // now make a Context
        ViewToolContext context =
            new JspToolContext(view.getVelocityEngine(), this.pageContext);


        view.prepareToolboxes((HttpServletRequest)this.pageContext.getRequest());
        view.prepareContext(context);


        setVelocityView(view);
        setViewToolContext(context);
    }

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        return (getBodyContent() != null || getTemplate() != null);
    }


    protected void renderContent(Writer out) throws Exception
    {
        VelocityView view = getVelocityView();
        VelocityEngine engine = view.getVelocityEngine();


        if (getTemplate() != null)
        {
            ViewToolContext context = getViewToolContext();


            // get the actual Template
            Template template = view.getTemplate(getTemplate());


            if (getBodyContent() != null)
            {
                context.put(getBodyContentKey(), getRenderedBody());
            }

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     * Tests {@link VelocityRenderer#render(String, org.apache.tiles.request.Request)}.
     * @throws IOException If something goes wrong.
     */
    @Test
    public void testRender() throws IOException {
        VelocityView view = createMock(VelocityView.class);
        ServletRequest request = createMock(ServletRequest.class);
        HttpServletRequest httpRequest = createMock(HttpServletRequest.class);
        HttpServletResponse response = createMock(HttpServletResponse.class);
        ViewToolContext context = createMock(ViewToolContext.class);
        Template template = createMock(Template.class);
        Writer writer = createMock(Writer.class);


        expect(request.getRequest()).andReturn(httpRequest);
        expect(request.getResponse()).andReturn(response);
        expect(view.createContext(httpRequest, response)).andReturn(context);
        expect(view.getTemplate("/test.vm")).andReturn(template);
        expect(request.getWriter()).andReturn(writer);
        view.merge(template, context, writer);


        replay(view, request, httpRequest, response, context, template, writer);
        Renderer renderer = new VelocityRenderer(view);
        renderer.render("/test.vm", request);
        verify(view, request, httpRequest, response, context, template, writer);

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     * Tests {@link VelocityRenderer#render(String, org.apache.tiles.request.Request)}.
     * @throws IOException If something goes wrong.
     */
    @Test(expected = CannotRenderException.class)
    public void testRenderException() throws IOException {
        VelocityView view = createMock(VelocityView.class);
        ServletRequest request = createMock(ServletRequest.class);


        replay(view, request);
        Renderer renderer = new VelocityRenderer(view);
        try {

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     * {@link VelocityRenderer#isRenderable(String, org.apache.tiles.request.Request)}
     * .
     */
    @Test
    public void testIsRenderable() {
        VelocityView view = createMock(VelocityView.class);
        replay(view);
        Renderer renderer = new VelocityRenderer(view);
        assertTrue(renderer.isRenderable("/my/template.vm", null));
        assertFalse(renderer.isRenderable("my/template.vm", null));
        assertFalse(renderer.isRenderable("/my/template.jsp", null));

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     * Creates the Velocity renderer.
     *
     * @return The Velocity renderer.
     */
    public VelocityRenderer build() {
        VelocityView velocityView = new VelocityView(
                new ApplicationContextJeeConfig(applicationContext, params));
        return new VelocityRenderer(velocityView);
    }

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    protected void initializeView()
    {
        // get the VelocityView for this app
        VelocityView view =
            ServletUtils.getVelocityView(this.pageContext.getServletConfig());


        // now make a Context
        ViewToolContext context =
            new JspToolContext(view.getVelocityEngine(), this.pageContext);


        view.prepareToolboxes((HttpServletRequest)this.pageContext.getRequest());
        view.prepareContext(context);


        setVelocityView(view);
        setViewToolContext(context);
    }

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    protected void renderContent(Writer out) throws Exception
    {
        if (getTemplate() != null)
        {
            VelocityView view = getVelocityView();
            ViewToolContext context = getViewToolContext();


            // get the actual Template
            Template template = view.getTemplate(getTemplate());


            if (getBodyContent() != null)
            {
                context.put(getBodyContentKey(), getRenderedBody());
            }

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     * Tests {@link VelocityRenderer#render(String, org.apache.tiles.request.Request)}.
     * @throws IOException If something goes wrong.
     */
    @Test
    public void testRender() throws IOException {
        VelocityView view = createMock(VelocityView.class);
        ServletRequest request = createMock(ServletRequest.class);
        HttpServletRequest httpRequest = createMock(HttpServletRequest.class);
        HttpServletResponse response = createMock(HttpServletResponse.class);
        ViewToolContext context = createMock(ViewToolContext.class);
        Template template = createMock(Template.class);
        Writer writer = createMock(Writer.class);


        expect(request.getRequest()).andReturn(httpRequest);
        expect(request.getResponse()).andReturn(response);
        expect(view.createContext(httpRequest, response)).andReturn(context);
        expect(view.getTemplate("/test.vm")).andReturn(template);
        expect(request.getWriter()).andReturn(writer);
        view.merge(template, context, writer);


        replay(view, request, httpRequest, response, context, template, writer);
        Renderer renderer = new VelocityRenderer(view);
        renderer.render("/test.vm", request);
        verify(view, request, httpRequest, response, context, template, writer);

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     * Tests {@link VelocityRenderer#render(String, org.apache.tiles.request.Request)}.
     * @throws IOException If something goes wrong.
     */
    @Test(expected = CannotRenderException.class)
    public void testRenderException() throws IOException {
        VelocityView view = createMock(VelocityView.class);
        ServletRequest request = createMock(ServletRequest.class);


        replay(view, request);
        Renderer renderer = new VelocityRenderer(view);
        try {

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org.apache.commons.collections.ExtendedProperties

org.apache.tiles.request.velocity.render.VelocityRendererBuilder

org.apache.tiles.request.velocity.render.VelocityRendererTest

org.apache.tiles.velocity.renderer.VelocityAttributeRenderer

org.apache.velocity.app.VelocityEngine

org.apache.velocity.context.Context

org.apache.velocity.io.VelocityWriter

org.apache.velocity.Template

org.apache.velocity.tools.config.ConfigurationCleaner

org.apache.velocity.tools.config.FactoryConfiguration

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