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

org.apache.sling.api.scripting.SlingScript
The SlingScript defines the API for objects which encapsulate a script. To evaluate a script prepare a {@link SlingBindings} instance ofvariables used as global variables to the script and call the {@link #eval(SlingBindings)} method.
You can obtain scripts by resolving a script resource through {@link org.apache.sling.api.resource.ResourceResolver#resolve(String)}and then trying to adapt the resource to a script by calling {@link Resource#adaptTo(Class)}.

     */
    public SlingScript findScript(final ResourceResolver resourceResolver, final String name)
    throws SlingException {


        // is the path absolute
        SlingScript script = null;
        if (name.startsWith("/")) {


            final String path = ResourceUtil.normalize(name);
            if ( this.isPathAllowed(path) ) {
                final Resource resource = resourceResolver.getResource(path);
                if ( resource != null ) {
                    script = resource.adaptTo(SlingScript.class);
                }
            }
        } else {


            // relative script resolution against search path
            final String[] path = resourceResolver.getSearchPath();
            for (int i = 0; script == null && i < path.length; i++) {
                final String scriptPath = ResourceUtil.normalize(path[i] + name);
                if ( this.isPathAllowed(scriptPath) ) {
                    final Resource resource = resourceResolver.getResource(scriptPath);
                    if (resource != null) {
                        script = resource.adaptTo(SlingScript.class);
                    }
                }
            }


        }


        // some logging
        if (script != null) {
            LOGGER.debug("findScript: Using script {} for {}", script.getScriptResource().getPath(), name);
        } else {
            LOGGER.info("findScript: No script {} found in path", name);
        }


        // and finally return the script (null or not)

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        return wrapper;
    }


    private JspServletWrapper getJspWrapper(final SlingScriptHelper scriptHelper, final SlingBindings bindings)
    throws SlingException {
        final SlingScript script = scriptHelper.getScript();
        final String scriptName = script.getScriptResource().getPath();
        return getJspWrapper(scriptName, bindings);
    }

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    }


    private ServletWrapper getWrapperAdapter(final SlingScriptHelper scriptHelper)
    throws SlingException {


        SlingScript script = scriptHelper.getScript();
        final String scriptName = script.getScriptResource().getPath();
        ServletWrapper wrapper = this.ioProvider.getServletCache().getWrapper(scriptName);
        if (wrapper != null) {
            return wrapper;
        }

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        final String lang = WebConsoleUtil.getParameter(req, "lang");
        final Resource resource = new RuntimeScriptResource(lang, script);
        final boolean webClient = "webconsole".equals(WebConsoleUtil.getParameter(req,"client"));


        SlingScript slingScript = resource.adaptTo(SlingScript.class);
        try {
            log.debug("Executing script {}",script);
            slingScript.eval(bindings);
        } catch (Throwable t){
            if(!webClient){
                resp.setStatus(500);
            }
            pw.println(exceptionToString(t));

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public class StandaloneScriptExecutionServlet extends SlingSafeMethodsServlet {


  @Override
  protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) 
  throws ServletException, IOException {
    final SlingScript script = request.getResource().adaptTo(SlingScript.class);
    if(script == null) {
      throw new ServletException("Resource does not adapt to a SlingScript:" + request.getResource().getPath());
    }
    
    // Execute the script without providing a request or response, in the simplest possible way
    final SlingBindings bindings = new SlingBindings();
    final StringWriter sw = new StringWriter();
    bindings.put("StandaloneScriptExecutionServletOutput", sw);
    script.eval(bindings);
    
    response.setContentType("text/plain");
    response.getWriter().write(sw.toString());
  }

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    private JspServletWrapperAdapter getJspWrapperAdapter(
            SlingScriptHelper scriptHelper) throws SlingException {


        JspRuntimeContext rctxt = jspRuntimeContext;


        SlingScript script = scriptHelper.getScript();
        String scriptName = script.getScriptResource().getPath();
        JspServletWrapperAdapter wrapper = (JspServletWrapperAdapter) rctxt.getWrapper(scriptName);
        if (wrapper != null) {
            return wrapper;
        }

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    public SlingScript findScript(ResourceResolver resourceResolver, String name)
            throws SlingException {


        // is the path absolute
        SlingScript script = null;
        if (name.startsWith("/")) {


            Resource resource = resourceResolver.getResource(name);
            if (resource != null) {
                script = resource.adaptTo(SlingScript.class);
            }


        } else {


            // relative script resolution against search path
            String[] path = resourceResolver.getSearchPath();
            for (int i = 0; script == null && i < path.length; i++) {
                String scriptPath = path[i] + name;
                Resource resource = resourceResolver.getResource(scriptPath);
                if (resource != null) {
                    script = resource.adaptTo(SlingScript.class);
                }
            }


        }


        // some logging
        if (script != null) {
            log.debug("findScript: Using script {} for {}",
                script.getScriptResource().getPath(), name);
        } else {
            log.info("findScript: No script {} found in path", name);
        }


        // and finally return the script (null or not)

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    public SlingScript findScript(ResourceResolver resourceResolver, String name)
            throws SlingException {


        // is the path absolute
        SlingScript script = null;
        if (name.startsWith("/")) {


            Resource resource = resourceResolver.getResource(name);
            if (resource != null) {
                script = resource.adaptTo(SlingScript.class);
            }


        } else {


            // relative script resolution against search path
            String[] path = resourceResolver.getSearchPath();
            for (int i = 0; script == null && i < path.length; i++) {
                String scriptPath = path[i] + name;
                Resource resource = resourceResolver.getResource(scriptPath);
                if (resource != null) {
                    script = resource.adaptTo(SlingScript.class);
                }
            }


        }


        // some logging
        if (script != null) {
            log.debug("findScript: Using script {} for {}",
                script.getScriptResource().getPath(), name);
        } else {
            log.info("findScript: No script {} found in path", name);
        }


        // and finally return the script (null or not)

View Full Code Here

    private JspServletWrapperAdapter getJspWrapperAdapter(
            SlingScriptHelper scriptHelper) throws SlingException {


        JspRuntimeContext rctxt = jspRuntimeContext;


        SlingScript script = scriptHelper.getScript();
        String scriptName = script.getScriptResource().getPath();
        JspServletWrapperAdapter wrapper = (JspServletWrapperAdapter) rctxt.getWrapper(scriptName);
        if (wrapper != null) {
            return wrapper;
        }

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Related Classes of org.apache.sling.api.scripting.SlingScript

org.apache.sling.launchpad.testservices.scripting.StandaloneScriptExecutionServlet

org.apache.sling.scripting.console.internal.ScriptConsolePlugin

org.apache.sling.scripting.java.impl.JavaScriptEngineFactory

org.apache.sling.scripting.jsp.JspScriptEngineFactory

org.apache.sling.servlets.resolver.internal.SlingServletResolver

org.apache.sling.servlets.resolver.SlingServletResolver

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