Example usage for javax.servlet.jsp PageContext getResponse

Introduction

In this page you can find the example usage for javax.servlet.jsp PageContext getResponse.

Prototype

abstract public ServletResponse getResponse();

Source Link

Document

The current value of the response object (a ServletResponse).

Usage

From source file:org.apache.struts2.components.template.JspTemplateEngine.java

public void renderTemplate(TemplateRenderingContext templateContext) throws Exception {
    Template template = templateContext.getTemplate();

    if (LOG.isDebugEnabled()) {
        LOG.debug("Trying to render template " + template + ", repeating through parents until we succeed");
    }// w  w  w  .  j ava  2 s .co m
    UIBean tag = templateContext.getTag();
    ValueStack stack = templateContext.getStack();
    stack.push(tag);
    PageContext pageContext = (PageContext) stack.getContext().get(ServletActionContext.PAGE_CONTEXT);
    List templates = template.getPossibleTemplates(this);
    Exception exception = null;
    boolean success = false;
    for (Iterator iterator = templates.iterator(); iterator.hasNext();) {
        Template t = (Template) iterator.next();
        try {
            Include.include(getFinalTemplateName(t), pageContext.getOut(), pageContext.getRequest(),
                    (HttpServletResponse) pageContext.getResponse());
            success = true;
            break;
        } catch (Exception e) {
            if (exception == null) {
                exception = e;
            }
        }
    }

    if (!success) {
        LOG.error("Could not render JSP template " + templateContext.getTemplate());

        if (exception != null) {
            throw exception;
        } else {
            return;
        }
    }

    stack.pop();
}

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From source file:org.apache.tiles.jsp.context.JspTilesRequestContext.java

/**
 * Constructor.//from w  w  w . j a  v  a  2 s.c  o  m
 *
 * @param context The servlet context to use.
 * @param pageContext The page context to use.
 */
public JspTilesRequestContext(ServletContext context, PageContext pageContext) {
    super(context, (HttpServletRequest) pageContext.getRequest(),
            (HttpServletResponse) pageContext.getResponse());
    this.pageContext = pageContext;
}

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From source file:org.jahia.taglibs.template.include.OptionTag.java

public static void renderNodeWithViewAndTypes(JCRNodeWrapper node, String view,
        String commaConcatenatedNodeTypes, PageContext pageContext, Map<String, String> parameters)
        throws RepositoryException, IOException, RenderException {

    String charset = pageContext.getResponse().getCharacterEncoding();
    // Todo test if module is active
    RenderContext renderContext = (RenderContext) pageContext.getAttribute("renderContext",
            PageContext.REQUEST_SCOPE);/* w w w.j  av  a  2s.co  m*/
    Resource currentResource = (Resource) pageContext.getAttribute("currentResource",
            PageContext.REQUEST_SCOPE);
    String[] nodeTypes = StringUtils.split(commaConcatenatedNodeTypes, ",");

    if (nodeTypes.length > 0) {
        final String primaryNodeType = nodeTypes[0];

        if (node.isNodeType(primaryNodeType)) {
            ExtendedNodeType mixinNodeType = NodeTypeRegistry.getInstance().getNodeType(primaryNodeType);

            // create a resource to render the current node with the specified view
            Resource wrappedResource = new Resource(node, currentResource.getTemplateType(), view,
                    Resource.CONFIGURATION_INCLUDE);
            wrappedResource.setResourceNodeType(mixinNodeType);

            // set parameters
            for (Map.Entry<String, String> param : parameters.entrySet()) {
                wrappedResource.getModuleParams().put(URLDecoder.decode(param.getKey(), charset),
                        URLDecoder.decode(param.getValue(), charset));
            }

            // attempt to resolve script for the newly created resource
            Script script = null;
            try {
                script = RenderService.getInstance().resolveScript(wrappedResource, renderContext);
            } catch (RepositoryException e) {
                logger.error(e.getMessage(), e);
            } catch (TemplateNotFoundException e) {
                // if we didn't find a script, attempt to locate one based on secondary node type if one was specified
                if (nodeTypes.length > 1) {
                    mixinNodeType = NodeTypeRegistry.getInstance().getNodeType(nodeTypes[1]);
                    wrappedResource.setResourceNodeType(mixinNodeType);
                    script = RenderService.getInstance().resolveScript(wrappedResource, renderContext);
                }
            }

            // if we have found a script, render it
            if (script != null) {
                final ServletRequest request = pageContext.getRequest();

                //save environment
                Object currentNode = request.getAttribute("currentNode");
                Resource currentOption = (Resource) request.getAttribute("optionResource");

                // set attributes to render the newly created resource
                request.setAttribute("optionResource", currentResource);
                request.setAttribute("currentNode", node);
                request.setAttribute("currentResource", wrappedResource);
                try {
                    pageContext.getOut().write(script.execute(wrappedResource, renderContext));
                } finally {
                    // restore environment as it previously was
                    request.setAttribute("optionResource", currentOption);
                    request.setAttribute("currentNode", currentNode);
                    request.setAttribute("currentResource", currentResource);
                }
            }
        }
    }
}

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