Examples of org.apache.sling.api.scripting.SlingBindings

org.apache.sling.api.scripting.SlingBindings
The SlingBindings class is used to prepare global variables for script execution. The constants in this class define names of variables which MUST or MAY be provided for the script execution. Other variables may be define as callers see fit.

        assertEquals(log, model.getService());
    }


    @Test
    public void testScriptVariableConstructor() throws InvalidSyntaxException {
        SlingBindings bindings = new SlingBindings();
        SlingScriptHelper helper = mock(SlingScriptHelper.class);
        bindings.setSling(helper);
        when(request.getAttribute(SlingBindings.class.getName())).thenReturn(bindings);


        org.apache.sling.models.testmodels.classes.constructorinjection.InjectorSpecificAnnotationModel model
                = factory.getAdapter(request, org.apache.sling.models.testmodels.classes.constructorinjection.InjectorSpecificAnnotationModel.class);
        assertNotNull("Could not instanciate model", model);

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   * Method for retrieving the classloader from the OSGi console.
   * 
   * @return the classloader
   */
  protected ClassLoader getClassLoader() {
    final SlingBindings bindings = (SlingBindings) pageContext.getRequest()
        .getAttribute(SlingBindings.class.getName());
    final SlingScriptHelper scriptHelper = bindings.getSling();
    final DynamicClassLoaderManager dynamicClassLoaderManager = scriptHelper
        .getService(DynamicClassLoaderManager.class);
    final ClassLoader classLoader = dynamicClassLoaderManager
        .getDynamicClassLoader();
    return classLoader;

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    @SuppressWarnings("unchecked")
    private void callErrorPageJsp(final Bindings bindings,
                                  final SlingScriptHelper scriptHelper,
                                  final ScriptContext context,
                                  final String scriptName) {
      final SlingBindings slingBindings = new SlingBindings();
        slingBindings.putAll(bindings);


        ResourceResolver resolver = (ResourceResolver) context.getAttribute(SlingScriptConstants.ATTR_SCRIPT_RESOURCE_RESOLVER,
                SlingScriptConstants.SLING_SCOPE);
        if ( resolver == null ) {
            resolver = scriptHelper.getScript().getScriptResource().getResourceResolver();
        }
        final SlingIOProvider io = this.ioProvider;
        final JspFactoryHandler jspfh = this.jspFactoryHandler;


        // abort if JSP Support is shut down concurrently (SLING-2704)
        if (io == null || jspfh == null) {
            logger.warn("callJsp: JSP Script Engine seems to be shut down concurrently; not calling {}",
                    scriptHelper.getScript().getScriptResource().getPath());
            return;
        }


        final ResourceResolver oldResolver = io.setRequestResourceResolver(resolver);
        jspfh.incUsage();
    try {
      final JspServletWrapper errorJsp = getJspWrapper(scriptName, slingBindings);
      errorJsp.service(slingBindings);


            // The error page could be inside an include.
          final SlingHttpServletRequest request = slingBindings.getRequest();
            final Throwable t = (Throwable)request.getAttribute("javax.servlet.jsp.jspException");


          final Object newException = request
                    .getAttribute("javax.servlet.error.exception");

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        }


        final ResourceResolver oldResolver = io.setRequestResourceResolver(resolver);
        jspfh.incUsage();
        try {
            final SlingBindings slingBindings = new SlingBindings();
            slingBindings.putAll(bindings);


            final JspServletWrapper jsp = getJspWrapper(scriptHelper, slingBindings);
            // create a SlingBindings object
            jsp.service(slingBindings);
        } finally {

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     */
    private boolean ignoreComponentHierarchy;


    @Override
    public int doEndTag() throws JspException {
        final SlingBindings bindings = (SlingBindings) pageContext.getRequest().getAttribute(
                SlingBindings.class.getName());
        final SlingScriptHelper scriptHelper = bindings.getSling();
        final ServletResolver servletResolver = scriptHelper.getService(ServletResolver.class);


        final RequestProgressTracker tracker = TagUtil.getRequest(pageContext).getRequestProgressTracker();
        String servletName = null;


        final Servlet servlet;
        if (!ignoreComponentHierarchy) {
            final Resource resource = bindings.getResource();
            servlet = servletResolver.resolveServlet(resource, this.script);


            if (servlet != null) {
                servletName = RequestUtil.getServletName(servlet);
                tracker.log("Including script {0} for path={1}, type={2}: {3}", script, resource.getPath(),
                        resource.getResourceType(), servletName);
            }


        } else {
            final ResourceResolver resolver = bindings.getRequest().getResourceResolver();
            final String scriptPath;
            if (!script.startsWith("/")) {


                // resolve relative script
                String parentPath = ResourceUtil.getParent(scriptHelper.getScript().getScriptResource().getPath());

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   * Method for retrieving the ResourceResolver from the page context.
   * 
   * @return the resource resolver
   */
  protected ResourceResolver getResourceResolver() {
    final SlingBindings bindings = (SlingBindings) pageContext.getRequest()
        .getAttribute(SlingBindings.class.getName());
    final SlingScriptHelper scriptHelper = bindings.getSling();
    final ResourceResolver resolver = scriptHelper.getRequest()
        .getResourceResolver();
    return resolver;
  }

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   * Method for retrieving the ResourceResolver from the page context.
   * 
   * @return the resource resolver
   */
  protected ResourceResolver getResourceResolver() {
    final SlingBindings bindings = (SlingBindings) pageContext.getRequest()
        .getAttribute(SlingBindings.class.getName());
    final SlingScriptHelper scriptHelper = bindings.getSling();
    final ResourceResolver resolver = scriptHelper.getRequest()
        .getResourceResolver();
    return resolver;
  }

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     * </ul>
     *
     * @return always {@link #EVAL_PAGE}.
     */
    public int doEndTag() {
        final SlingBindings bindings = (SlingBindings)pageContext.getRequest().getAttribute(SlingBindings.class.getName());
        final SlingScriptHelper scriptHelper = bindings.getSling();


        pageContext.setAttribute(requestName, scriptHelper.getRequest());
        pageContext.setAttribute(responseName, scriptHelper.getResponse());
        final Resource resource = scriptHelper.getRequest().getResource();
        pageContext.setAttribute(resourceName, resource);
        pageContext.setAttribute(resourceResolverName, scriptHelper.getRequest().getResourceResolver());
        pageContext.setAttribute(slingName, scriptHelper);
        pageContext.setAttribute(logName, bindings.getLog());
        pageContext.setAttribute(bindingsName, bindings);
        if ( JCR_NODE_CLASS != null ) {
            final Object node = resource.adaptTo(JCR_NODE_CLASS);
            if (node != null) {
                pageContext.setAttribute(nodeName, node);

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   * Method for retrieving the classloader from the OSGi console.
   * 
   * @return the classloader
   */
  protected ClassLoader getClassLoader() {
    final SlingBindings bindings = (SlingBindings) pageContext.getRequest()
        .getAttribute(SlingBindings.class.getName());
    final SlingScriptHelper scriptHelper = bindings.getSling();
    final DynamicClassLoaderManager dynamicClassLoaderManager = scriptHelper
        .getService(DynamicClassLoaderManager.class);
    final ClassLoader classLoader = dynamicClassLoaderManager
        .getDynamicClassLoader();
    return classLoader;

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     * @return whether additional evaluations of the body are desired
     */
    public int doEndTag() throws JspException {
        log.debug("EvalTagHandler doEndTag");


        final SlingBindings bindings = (SlingBindings) pageContext.getRequest().getAttribute(
                SlingBindings.class.getName());
        final SlingScriptHelper scriptHelper = bindings.getSling();
        final ServletResolver servletResolver = scriptHelper.getService(ServletResolver.class);


        final Servlet servlet;
        if ( !this.ignoreResourceTypeHierarchy ) {
            // detecte resource
            final Resource resource;
            if ( this.resource != null ) {
                resource = this.resource;
            } else if ( this.resourceType != null ) {
                resource = new SyntheticResource(bindings.getRequest().getResourceResolver(),
                        bindings.getResource().getPath(), this.resourceType);
            } else {
                resource = bindings.getResource();
            }
            servlet = servletResolver.resolveServlet(resource, this.script);
        } else {
            final ResourceResolver rr = bindings.getRequest().getResourceResolver();
            final String scriptPath;
            if (!script.startsWith("/")) {


                // resolve relative script
                String parentPath = ResourceUtil.getParent(scriptHelper.getScript().getScriptResource().getPath());

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