Examples with JspServletWrapper org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper used on opensource projects

Example 1 with JspServletWrapper

use of org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper in project sling by apache.

the class JspScriptEngineFactory method callErrorPageJsp.

/**
     * Call the error page
     * @param bindings The bindings
     * @param scriptHelper Script helper service
     * @param context The script context
     * @param scriptName The name of the script
     */
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");
        // t==null means the attribute was not set.
        if ((newException != null) && (newException == t)) {
            request.removeAttribute("javax.servlet.error.exception");
        }
        // now clear the error code - to prevent double handling.
        request.removeAttribute("javax.servlet.error.status_code");
        request.removeAttribute("javax.servlet.error.request_uri");
        request.removeAttribute("javax.servlet.error.status_code");
        request.removeAttribute("javax.servlet.jsp.jspException");
    } finally {
        jspfh.decUsage();
        io.resetRequestResourceResolver(oldResolver);
    }
}

Example 2 with JspServletWrapper

use of org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper in project sling by apache.

the class JspScriptEngineFactory method callJsp.

/**
     * Call a JSP script
     * @param bindings The bindings
     * @param scriptHelper Script helper service
     * @param context The script context
     * @throws SlingServletException
     * @throws SlingIOException
     */
private void callJsp(final Bindings bindings, final SlingScriptHelper scriptHelper, final ScriptContext context) {
    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 SlingBindings slingBindings = new SlingBindings();
        slingBindings.putAll(bindings);
        final JspServletWrapper jsp = getJspWrapper(scriptHelper, slingBindings);
        // create a SlingBindings object
        jsp.service(slingBindings);
    } finally {
        jspfh.decUsage();
        io.resetRequestResourceResolver(oldResolver);
    }
}

Example 3 with JspServletWrapper

use of org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper in project sling by apache.

the class JspRuntimeContext method handleModification.

/**
     * Handle jsp modifications
     */
public boolean handleModification(final String scriptName, final boolean isRemove) {
    if (log.isDebugEnabled()) {
        log.debug("Handling modification " + scriptName);
    }
    final JspServletWrapper wrapper = jsps.remove(scriptName);
    if (wrapper == null && isRemove) {
        boolean removed = false;
        final Path path = new Path(scriptName);
        final Iterator<Map.Entry<String, JspServletWrapper>> iter = jsps.entrySet().iterator();
        while (iter.hasNext()) {
            final Map.Entry<String, JspServletWrapper> entry = iter.next();
            if (path.matches(entry.getKey())) {
                iter.remove();
                removed |= handleModification(entry.getKey(), entry.getValue());
            }
        }
        return removed;
    } else {
        return handleModification(scriptName, wrapper);
    }
}

Example 4 with JspServletWrapper

use of org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper in project sling by apache.

the class TagFileProcessor method loadTagFile.

/**
     * Compiles and loads a tagfile.
     */
private void loadTagFile(Compiler compiler, String tagFilePath, Node.CustomTag n, PageInfo parentPageInfo) throws JasperException {
    JspCompilationContext ctxt = compiler.getCompilationContext();
    JspRuntimeContext rctxt = ctxt.getRuntimeContext();
    rctxt.lockTagFileLoading(tagFilePath);
    try {
        JspServletWrapper wrapper = rctxt.getWrapper(tagFilePath);
        if (wrapper == null) {
            wrapper = new JspServletWrapper(ctxt.getServletContext(), ctxt.getOptions(), tagFilePath, n.getTagInfo(), ctxt.getRuntimeContext(), compiler.getDefaultIsSession(), ctxt.getTagFileJarUrl(tagFilePath));
            wrapper = rctxt.addWrapper(tagFilePath, wrapper);
        // Use same classloader and classpath for compiling tag files
        //wrapper.getJspEngineContext().setClassLoader(ctxt.getClassLoader());
        //wrapper.getJspEngineContext().setClassPath(ctxt.getClassPath());
        } else {
            // Make sure that JspCompilationContext gets the latest TagInfo
            // for the tag file. TagInfo instance was created the last
            // time the tag file was scanned for directives, and the tag
            // file may have been modified since then.
            wrapper.getJspEngineContext().setTagInfo(n.getTagInfo());
        }
        Class tagClazz;
        int tripCount = wrapper.incTripCount();
        try {
            if (tripCount > 0) {
                final String postfix = "_" + String.valueOf(tripCount);
                // When tripCount is greater than zero, a circular
                // dependency exists. The circularily dependant tag
                // file is compiled in prototype mode, to avoid infinite
                // recursion.
                final String tempTagFilePath = tagFilePath + postfix;
                final TagInfo tempTagInfo = new JasperTagInfo(n.getTagInfo().getTagName(), n.getTagInfo().getTagClassName() + postfix, n.getTagInfo().getBodyContent(), n.getTagInfo().getInfoString(), n.getTagInfo().getTagLibrary(), n.getTagInfo().getTagExtraInfo(), n.getTagInfo().getAttributes(), n.getTagInfo().getDisplayName(), n.getTagInfo().getSmallIcon(), n.getTagInfo().getLargeIcon(), n.getTagInfo().getTagVariableInfos(), ((JasperTagInfo) n.getTagInfo()).getDynamicAttributesMapName());
                JspServletWrapper tempWrapper = new JspServletWrapper(ctxt.getServletContext(), ctxt.getOptions(), tagFilePath, tempTagInfo, ctxt.getRuntimeContext(), compiler.getDefaultIsSession(), ctxt.getTagFileJarUrl(tempTagFilePath));
                tagClazz = tempWrapper.loadTagFilePrototype();
                tempVector.add(tempWrapper.getJspEngineContext().getCompiler());
                String name = JspUtil.getCanonicalName(tagClazz);
                final int underscorePos = name.lastIndexOf(postfix);
                if (underscorePos > -1) {
                    n.setTagHandlerClassName(name.substring(0, underscorePos));
                }
            } else {
                tagClazz = wrapper.loadTagFile();
            }
        } finally {
            wrapper.decTripCount();
        }
        // can only be obtained from the tag instance.
        try {
            Object tagIns = tagClazz.newInstance();
            if (tagIns instanceof JspSourceDependent) {
                Iterator iter = ((List) ((JspSourceDependent) tagIns).getDependants()).iterator();
                while (iter.hasNext()) {
                    parentPageInfo.addDependant((String) iter.next());
                }
            }
        } catch (Exception e) {
        // ignore errors
        }
        n.setTagHandlerClass(tagClazz);
    } finally {
        rctxt.unlockTagFileLoading(tagFilePath);
    }
}

Example 5 with JspServletWrapper

use of org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper in project sling by apache.

the class JspScriptEngineFactory method getJspWrapper.

private JspServletWrapper getJspWrapper(final String scriptName, final SlingBindings bindings) throws SlingException {
    JspRuntimeContext rctxt = this.getJspRuntimeContext();
    JspServletWrapper wrapper = rctxt.getWrapper(scriptName);
    if (wrapper != null) {
        if (wrapper.isValid()) {
            return wrapper;
        }
        synchronized (this) {
            rctxt = this.getJspRuntimeContext();
            wrapper = rctxt.getWrapper(scriptName);
            if (wrapper != null) {
                if (wrapper.isValid()) {
                    return wrapper;
                }
                this.renewJspRuntimeContext();
                rctxt = this.getJspRuntimeContext();
            }
        }
    }
    wrapper = new JspServletWrapper(servletConfig, options, scriptName, false, rctxt, defaultIsSession);
    wrapper = rctxt.addWrapper(scriptName, wrapper);
    return wrapper;
}