Examples with ViewHandlerException org.apache.ofbiz.webapp.view.ViewHandlerException used on opensource projects

Example 1 with ViewHandlerException

use of org.apache.ofbiz.webapp.view.ViewHandlerException in project ofbiz-framework by apache.

the class ScreenFopViewHandler method render.

/**
 * @see org.apache.ofbiz.webapp.view.ViewHandler#render(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 */
@Override
public void render(String name, String page, String info, String contentType, String encoding, HttpServletRequest request, HttpServletResponse response) throws ViewHandlerException {
    Delegator delegator = (Delegator) request.getAttribute("delegator");
    VisualTheme visualTheme = UtilHttp.getVisualTheme(request);
    ModelTheme modelTheme = visualTheme.getModelTheme();
    // render and obtain the XSL-FO
    Writer writer = new StringWriter();
    try {
        ScreenStringRenderer screenStringRenderer = new MacroScreenRenderer(modelTheme.getType(getName()), modelTheme.getScreenRendererLocation(getName()));
        FormStringRenderer formStringRenderer = new MacroFormRenderer(modelTheme.getFormRendererLocation(getName()), request, response);
        // TODO: uncomment these lines when the renderers are implemented
        // TreeStringRenderer treeStringRenderer = new MacroTreeRenderer(modelTheme.getTreeRendererLocation(getName()), writer);
        // MenuStringRenderer menuStringRenderer = new MacroMenuRenderer(modelTheme.getMenuRendererLocation(getName()), writer);
        ScreenRenderer screens = new ScreenRenderer(writer, null, screenStringRenderer);
        screens.populateContextForRequest(request, response, servletContext);
        // this is the object used to render forms from their definitions
        screens.getContext().put("formStringRenderer", formStringRenderer);
        screens.getContext().put("simpleEncoder", UtilCodec.getEncoder(modelTheme.getEncoder(getName())));
        screens.render(page);
    } catch (IOException | GeneralException | SAXException | ParserConfigurationException | TemplateException e) {
        renderError("Problems with the response writer/output stream", e, "[Not Yet Rendered]", request, response);
        return;
    }
    // set the input source (XSL-FO) and generate the output stream of contentType
    String screenOutString = writer.toString();
    if (!screenOutString.startsWith("<?xml")) {
        screenOutString = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + screenOutString;
    }
    if (Debug.verboseOn())
        Debug.logVerbose("XSL:FO Screen Output: " + screenOutString, module);
    if (UtilValidate.isEmpty(contentType)) {
        contentType = modelTheme.getContentType(getName());
    }
    // get encryption related parameters
    FOUserAgent foUserAgent = null;
    String userPassword = request.getParameter("userPassword");
    String ownerPassword = request.getParameter("ownerPassword");
    boolean allowPrint = Boolean.parseBoolean(UtilValidate.isEmpty(request.getParameter("allowPrint")) ? ApacheFopWorker.getAllowPrintDefault() : request.getParameter("allowPrint"));
    boolean allowCopyContent = Boolean.parseBoolean(UtilValidate.isEmpty(request.getParameter("allowCopyContent")) ? ApacheFopWorker.getAllowCopyContentDefault() : request.getParameter("allowCopyContent"));
    boolean allowEditContent = Boolean.parseBoolean(UtilValidate.isEmpty(request.getParameter("allowEditContent")) ? ApacheFopWorker.getAllowEditContentDefault() : request.getParameter("allowEditContent"));
    boolean allowEditAnnotations = Boolean.parseBoolean(UtilValidate.isEmpty(request.getParameter("allowEditAnnotations")) ? ApacheFopWorker.getAllowEditAnnotationsDefault() : request.getParameter("allowEditAnnotations"));
    if (UtilValidate.isNotEmpty(userPassword) || UtilValidate.isNotEmpty(ownerPassword) || !allowPrint || !allowCopyContent || allowEditContent || !allowEditAnnotations) {
        int encryptionLength = 128;
        try {
            encryptionLength = Integer.parseInt(request.getParameter("encryption-length"));
        } catch (NumberFormatException e) {
            try {
                encryptionLength = Integer.parseInt(ApacheFopWorker.getEncryptionLengthDefault());
            } catch (NumberFormatException e1) {
            // ignore
            }
        }
        boolean encryptMetadata = Boolean.parseBoolean(UtilValidate.isEmpty(request.getParameter("encrypt-metadata")) ? ApacheFopWorker.getEncryptMetadataDefault() : request.getParameter("encrypt-metadata"));
        boolean allowFillInForms = Boolean.parseBoolean(UtilValidate.isEmpty(request.getParameter("allowFillInForms")) ? ApacheFopWorker.getAllowFillInFormsDefault() : request.getParameter("allowFillInForms"));
        boolean allowAccessContent = Boolean.parseBoolean(UtilValidate.isEmpty(request.getParameter("allowAccessContent")) ? ApacheFopWorker.getAllowAccessContentDefault() : request.getParameter("allowAccessContent"));
        boolean allowAssembleDocument = Boolean.parseBoolean(UtilValidate.isEmpty(request.getParameter("allowAssembleDocument")) ? ApacheFopWorker.getAllowAssembleDocumentDefault() : request.getParameter("allowAssembleDocument"));
        boolean allowPrintHq = Boolean.parseBoolean(UtilValidate.isEmpty(request.getParameter("allowPrintHq")) ? ApacheFopWorker.getAllowPrintHqDefault() : request.getParameter("allowPrintHq"));
        FopFactory fopFactory = ApacheFopWorker.getFactoryInstance();
        foUserAgent = fopFactory.newFOUserAgent();
        PDFEncryptionParams pdfEncryptionParams = new PDFEncryptionParams(userPassword, ownerPassword, allowPrint, allowCopyContent, allowEditContent, allowEditAnnotations, encryptMetadata);
        pdfEncryptionParams.setAllowFillInForms(allowFillInForms);
        pdfEncryptionParams.setAllowAccessContent(allowAccessContent);
        pdfEncryptionParams.setAllowAssembleDocument(allowAssembleDocument);
        pdfEncryptionParams.setAllowPrintHq(allowPrintHq);
        pdfEncryptionParams.setEncryptionLengthInBits(encryptionLength);
        foUserAgent.getRendererOptions().put(PDFEncryptionOption.ENCRYPTION_PARAMS, pdfEncryptionParams);
    }
    Reader reader = new StringReader(screenOutString);
    StreamSource src = new StreamSource(reader);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    /* Debug area, uncomment this to view the xml file generate before analyse by fop
        try { 
                java.io.FileWriter fw = new java.io.FileWriter(new java.io.File("/tmp/temp.xsl.fo"));
                fw.write(screenOutString);
                fw.close();
            } catch (IOException e) {
                Debug.logError(e, "Couldn't save xls debug file: " + e.toString(), module);
            }
        */
    try {
        Fop fop = ApacheFopWorker.createFopInstance(out, contentType, foUserAgent);
        ApacheFopWorker.transform(src, null, fop);
    } catch (Exception e) {
        renderError("Unable to transform FO file", e, screenOutString, request, response);
        return;
    }
    // set the content type and length
    response.setContentType(contentType);
    response.setContentLength(out.size());
    // write to the browser
    try {
        out.writeTo(response.getOutputStream());
        response.getOutputStream().flush();
    } catch (IOException e) {
        renderError("Unable to write to OutputStream", e, screenOutString, request, response);
    }
}

Example 2 with ViewHandlerException

use of org.apache.ofbiz.webapp.view.ViewHandlerException in project ofbiz-framework by apache.

the class ScreenFopViewHandler method renderError.

protected void renderError(String msg, Exception e, String screenOutString, HttpServletRequest request, HttpServletResponse response) throws ViewHandlerException {
    Debug.logError(msg + ": " + e + "; Screen XSL:FO text was:\n" + screenOutString, module);
    try {
        Delegator delegator = (Delegator) request.getAttribute("delegator");
        Writer writer = new StringWriter();
        VisualTheme visualTheme = UtilHttp.getVisualTheme(request);
        ModelTheme modelTheme = visualTheme.getModelTheme();
        ScreenStringRenderer screenStringRenderer = new MacroScreenRenderer(modelTheme.getType("screen"), modelTheme.getScreenRendererLocation("screen"));
        ScreenRenderer screens = new ScreenRenderer(writer, null, screenStringRenderer);
        screens.populateContextForRequest(request, response, servletContext);
        screens.getContext().put("errorMessage", msg + ": " + e);
        screens.render(DEFAULT_ERROR_TEMPLATE);
        response.setContentType("text/html");
        response.getWriter().write(writer.toString());
        writer.close();
    } catch (IOException | GeneralException | SAXException | ParserConfigurationException | TemplateException x) {
        Debug.logError("Multiple errors rendering FOP", module);
        throw new ViewHandlerException("Multiple errors rendering FOP", x);
    }
}

Example 3 with ViewHandlerException

use of org.apache.ofbiz.webapp.view.ViewHandlerException in project ofbiz-framework by apache.

the class MacroScreenViewHandler method render.

public void render(String name, String page, String info, String contentType, String encoding, HttpServletRequest request, HttpServletResponse response) throws ViewHandlerException {
    try {
        Writer writer = response.getWriter();
        VisualTheme visualTheme = UtilHttp.getVisualTheme(request);
        ModelTheme modelTheme = visualTheme.getModelTheme();
        Delegator delegator = (Delegator) request.getAttribute("delegator");
        // compress output if configured to do so
        if (UtilValidate.isEmpty(encoding)) {
            encoding = modelTheme.getEncoding(getName());
        }
        boolean compressOutput = "compressed".equals(encoding);
        if (!compressOutput) {
            compressOutput = "true".equals(modelTheme.getCompress(getName()));
        }
        if (!compressOutput && this.servletContext != null) {
            compressOutput = "true".equals(this.servletContext.getAttribute("compressHTML"));
        }
        if (compressOutput) {
            // StandardCompress defaults to a 2k buffer. That could be increased
            // to speed up output.
            writer = new StandardCompress().getWriter(writer, null);
        }
        MapStack<String> context = MapStack.create();
        ScreenRenderer.populateContextForRequest(context, null, request, response, servletContext);
        ScreenStringRenderer screenStringRenderer = loadRenderers(request, response, context, writer);
        ScreenRenderer screens = new ScreenRenderer(writer, context, screenStringRenderer);
        context.put("screens", screens);
        context.put("simpleEncoder", UtilCodec.getEncoder(visualTheme.getModelTheme().getEncoder(getName())));
        screenStringRenderer.renderScreenBegin(writer, context);
        screens.render(page);
        screenStringRenderer.renderScreenEnd(writer, context);
        writer.flush();
    } catch (TemplateException e) {
        Debug.logError(e, "Error initializing screen renderer", module);
        throw new ViewHandlerException(e.getMessage());
    } catch (IOException e) {
        throw new ViewHandlerException("Error in the response writer/output stream: " + e.toString(), e);
    } catch (SAXException | ParserConfigurationException e) {
        throw new ViewHandlerException("XML Error rendering page: " + e.toString(), e);
    } catch (GeneralException e) {
        throw new ViewHandlerException("Lower level error rendering page: " + e.toString(), e);
    }
}

Example 4 with ViewHandlerException

use of org.apache.ofbiz.webapp.view.ViewHandlerException in project ofbiz-framework by apache.

the class FreeMarkerViewHandler method render.

public void render(String name, String page, String info, String contentType, String encoding, HttpServletRequest request, HttpServletResponse response) throws ViewHandlerException {
    if (UtilValidate.isEmpty(page))
        throw new ViewHandlerException("Invalid template source");
    // make the root context (data model) for freemarker
    MapStack<String> context = MapStack.create();
    prepOfbizRoot(context, request, response);
    // process the template & flush the output
    try {
        if (page.startsWith("component://")) {
            FreeMarkerWorker.renderTemplate(page, context, response.getWriter());
        } else {
            // backwards compatibility
            Template template = config.getTemplate(page);
            FreeMarkerWorker.renderTemplate(template, context, response.getWriter());
        }
        response.flushBuffer();
    } catch (TemplateException te) {
        throw new ViewHandlerException("Problems processing Freemarker template", te);
    } catch (IOException ie) {
        throw new ViewHandlerException("Problems writing to output stream", ie);
    }
}

Example 5 with ViewHandlerException

use of org.apache.ofbiz.webapp.view.ViewHandlerException in project ofbiz-framework by apache.

the class SimpleContentViewHandler method render.

/**
 * @see org.apache.ofbiz.webapp.view.ViewHandler#render(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 */
public void render(String name, String page, String info, String contentType, String encoding, HttpServletRequest request, HttpServletResponse response) throws ViewHandlerException {
    LocalDispatcher dispatcher = (LocalDispatcher) request.getAttribute("dispatcher");
    HttpSession session = request.getSession();
    GenericValue userLogin = (GenericValue) session.getAttribute("userLogin");
    String contentId = request.getParameter("contentId");
    String rootContentId = request.getParameter("rootContentId");
    String mapKey = request.getParameter("mapKey");
    String contentAssocTypeId = request.getParameter("contentAssocTypeId");
    String fromDateStr = request.getParameter("fromDate");
    String dataResourceId = request.getParameter("dataResourceId");
    String contentRevisionSeqId = request.getParameter("contentRevisionSeqId");
    String mimeTypeId = request.getParameter("mimeTypeId");
    Locale locale = UtilHttp.getLocale(request);
    String webSiteId = WebSiteWorker.getWebSiteId(request);
    try {
        if (Debug.verboseOn())
            Debug.logVerbose("dataResourceId:" + dataResourceId, module);
        Delegator delegator = (Delegator) request.getAttribute("delegator");
        if (UtilValidate.isEmpty(dataResourceId)) {
            if (UtilValidate.isEmpty(contentRevisionSeqId)) {
                if (UtilValidate.isEmpty(mapKey) && UtilValidate.isEmpty(contentAssocTypeId)) {
                    if (UtilValidate.isNotEmpty(contentId)) {
                        GenericValue content = EntityQuery.use(delegator).from("Content").where("contentId", contentId).cache().queryOne();
                        dataResourceId = content.getString("dataResourceId");
                    }
                    if (Debug.verboseOn())
                        Debug.logVerbose("dataResourceId:" + dataResourceId, module);
                } else {
                    Timestamp fromDate = null;
                    if (UtilValidate.isNotEmpty(fromDateStr)) {
                        try {
                            fromDate = UtilDateTime.stringToTimeStamp(fromDateStr, null, locale);
                        } catch (ParseException e) {
                            fromDate = UtilDateTime.nowTimestamp();
                        }
                    }
                    List<String> assocList = null;
                    if (UtilValidate.isNotEmpty(contentAssocTypeId)) {
                        assocList = UtilMisc.toList(contentAssocTypeId);
                    }
                    GenericValue content = ContentWorker.getSubContent(delegator, contentId, mapKey, null, null, assocList, fromDate);
                    dataResourceId = content.getString("dataResourceId");
                    if (Debug.verboseOn())
                        Debug.logVerbose("dataResourceId:" + dataResourceId, module);
                }
            } else {
                GenericValue contentRevisionItem = EntityQuery.use(delegator).from("ContentRevisionItem").where("contentId", rootContentId, "itemContentId", contentId, "contentRevisionSeqId", contentRevisionSeqId).cache().queryOne();
                if (contentRevisionItem == null) {
                    throw new ViewHandlerException("ContentRevisionItem record not found for contentId=" + rootContentId + ", contentRevisionSeqId=" + contentRevisionSeqId + ", itemContentId=" + contentId);
                }
                dataResourceId = contentRevisionItem.getString("newDataResourceId");
                if (Debug.verboseOn())
                    Debug.logVerbose("contentRevisionItem:" + contentRevisionItem, module);
                if (Debug.verboseOn())
                    Debug.logVerbose("contentId=" + rootContentId + ", contentRevisionSeqId=" + contentRevisionSeqId + ", itemContentId=" + contentId, module);
                if (Debug.verboseOn())
                    Debug.logVerbose("dataResourceId:" + dataResourceId, module);
            }
        }
        if (UtilValidate.isNotEmpty(dataResourceId)) {
            GenericValue dataResource = EntityQuery.use(delegator).from("DataResource").where("dataResourceId", dataResourceId).cache().queryOne();
            // DEJ20080717: why are we rendering the DataResource directly instead of rendering the content?
            ByteBuffer byteBuffer = DataResourceWorker.getContentAsByteBuffer(delegator, dataResourceId, https, webSiteId, locale, rootDir);
            ByteArrayInputStream bais = new ByteArrayInputStream(byteBuffer.array());
            // setup character encoding and content type
            String charset = dataResource.getString("characterSetId");
            if (UtilValidate.isEmpty(charset)) {
                charset = encoding;
            }
            if (UtilValidate.isEmpty(mimeTypeId)) {
                mimeTypeId = DataResourceWorker.getMimeType(dataResource);
                if ("text/html".equalsIgnoreCase(mimeTypeId)) {
                    mimeTypeId = "application/octet-stream";
                }
            }
            // setup content type
            String contentType2 = UtilValidate.isNotEmpty(mimeTypeId) ? mimeTypeId + "; charset=" + charset : contentType;
            String fileName = null;
            if (UtilValidate.isNotEmpty(dataResource.getString("dataResourceName"))) {
                // spaces in filenames can be a problem
                fileName = dataResource.getString("dataResourceName").replace(" ", "_");
            }
            // see if data resource is public or not
            String isPublic = dataResource.getString("isPublic");
            if (UtilValidate.isEmpty(isPublic)) {
                isPublic = "N";
            }
            // get the permission service required for streaming data; default is always the genericContentPermission
            String permissionService = EntityUtilProperties.getPropertyValue("content", "stream.permission.service", "genericContentPermission", delegator);
            // not public check security
            if (!"Y".equalsIgnoreCase(isPublic)) {
                // do security check
                Map<String, ? extends Object> permSvcCtx = UtilMisc.toMap("userLogin", userLogin, "locale", locale, "mainAction", "VIEW", "contentId", contentId);
                Map<String, Object> permSvcResp;
                try {
                    permSvcResp = dispatcher.runSync(permissionService, permSvcCtx);
                } catch (GenericServiceException e) {
                    Debug.logError(e, module);
                    request.setAttribute("_ERROR_MESSAGE_", e.getMessage());
                    throw new ViewHandlerException(e.getMessage());
                }
                if (ServiceUtil.isError(permSvcResp)) {
                    String errorMsg = ServiceUtil.getErrorMessage(permSvcResp);
                    Debug.logError(errorMsg, module);
                    request.setAttribute("_ERROR_MESSAGE_", errorMsg);
                    throw new ViewHandlerException(errorMsg);
                }
                // no service errors; now check the actual response
                Boolean hasPermission = (Boolean) permSvcResp.get("hasPermission");
                if (!hasPermission.booleanValue()) {
                    String errorMsg = (String) permSvcResp.get("failMessage");
                    Debug.logError(errorMsg, module);
                    request.setAttribute("_ERROR_MESSAGE_", errorMsg);
                    throw new ViewHandlerException(errorMsg);
                }
            }
            UtilHttp.streamContentToBrowser(response, bais, byteBuffer.limit(), contentType2, fileName);
        }
    } catch (IOException | GeneralException e) {
        throw new ViewHandlerException(e.getMessage());
    }
}