dataresourceworker.java

国外的一套开源CRM

                try {
                    FreeMarkerWorker.renderTemplate("DataResource:" + dataResourceId, templateText, templateContext, out);
                } catch (TemplateException e) {
                    throw new GeneralException("Error rendering FTL template", e);
                }
            } else {
                throw new GeneralException("The dataTemplateTypeId [" + dataTemplateTypeId + "] is not yet supported");
            }
        }
    }
    
    public static String getDataResourceText(GenericValue dataResource, String mimeTypeId, Locale locale, Map context, GenericDelegator delegator) throws IOException, GeneralException {
        Writer outWriter = new StringWriter();
        writeDataResourceText(dataResource, mimeTypeId, locale, context, delegator, outWriter);
        return outWriter.toString();
    }
    
    public static void writeDataResourceText(GenericValue dataResource, String mimeTypeId, Locale locale, Map context, GenericDelegator delegator, Writer outWriter) throws IOException, GeneralException {
        String webSiteId = (String) context.get("webSiteId");
        String https = (String) context.get("https");
        
        String dataResourceId = dataResource.getString("dataResourceId");
        String dataResourceTypeId = dataResource.getString("dataResourceTypeId");
        if (UtilValidate.isEmpty(dataResourceTypeId)) {
            dataResourceTypeId = "SHORT_TEXT";
        }
        if (Debug.verboseOn()) Debug.logVerbose(" in writeDataResourceAsHtml, dataResourceId:" + dataResourceId, module);
        if (Debug.verboseOn()) Debug.logVerbose(" in writeDataResourceAsHtml, dataResourceTypeId:" + dataResourceTypeId, module);
        
        if (dataResourceTypeId.equals("SHORT_TEXT")) {
            String text = dataResource.getString("objectInfo");
            outWriter.write(text);
        } else if (dataResourceTypeId.equals("ELECTRONIC_TEXT")) {
            GenericValue electronicText = delegator.findByPrimaryKey("ElectronicText", UtilMisc.toMap("dataResourceId", dataResourceId));
            String text = electronicText.getString("textData");
            if (Debug.verboseOn()) Debug.logVerbose(" in writeDataResourceAsHtml, text:" + text, module);
            outWriter.write(text);
        } else if (dataResourceTypeId.equals("IMAGE_OBJECT")) {
            // TODO: Is this where the image (or any binary) object URL is created? looks like it is just returning 
            //the ID, maybe is okay, but maybe should create the whole image tag so that text and images can be 
            //interchanged without changing the wrapping template, and so the wrapping template doesn't have to know what the root is, etc
            /*
            // decide how to render based on the mime-types
            // TODO: put this in a separate method to be re-used for file objects as well...
            if ("text/html".equals(mimeTypeId)) {
            } else if ("text/plain".equals(mimeTypeId)) {
            } else {
                throw new GeneralException("The renderDataResourceAsText operation does not yet support the desired mime-type: " + mimeTypeId);
            }
            */
            
            if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(IMAGE), mimeTypeId:" + mimeTypeId, module);
            String text = (String) dataResource.get("dataResourceId");
            outWriter.write(text);
        } else if (dataResourceTypeId.equals("LINK")) {
            String text = dataResource.getString("objectInfo");
            outWriter.write(text);
        } else if (dataResourceTypeId.equals("URL_RESOURCE")) {
            String text = null;
            URL url = new URL(dataResource.getString("objectInfo"));
            if (url.getHost() != null) { // is absolute
                InputStream in = url.openStream();
                int c;
                StringWriter sw = new StringWriter();
                while ((c = in.read()) != -1) {
                    sw.write(c);
                }
                sw.close();
                text = sw.toString();
                if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(URL-ABS), text:" + text, module);
            } else {
                String prefix = buildRequestPrefix(delegator, locale, webSiteId, https);
                String sep = "";
                //String s = "";
                if (url.toString().indexOf("/") != 0 && prefix.lastIndexOf("/") != (prefix.length() - 1)) {
                    sep = "/";
                }
                String s2 = prefix + sep + url.toString();
                URL url2 = new URL(s2);
                if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(URL-REL), s2:" + s2, module);
                text = (String) url2.getContent();
                if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(URL-REL), text:" + text, module);
            }
            outWriter.write(text);
        } else if (dataResourceTypeId.indexOf("_FILE") >= 0) {
            String rootDir = (String) context.get("rootDir");
            renderFile(dataResourceTypeId, dataResource.getString("objectInfo"), rootDir, outWriter);
        } else {
            throw new GeneralException("The dataResourceTypeId [" + dataResourceTypeId + "] is not supported in renderDataResourceAsText");
        }
    }

    public static String getDataResourceTextCache(GenericValue dataResource, String mimeTypeId, Locale locale, Map context, GenericDelegator delegator) throws IOException, GeneralException {
        Writer outWriter = new StringWriter();
        writeDataResourceText(dataResource, mimeTypeId, locale, context, delegator, outWriter);
        return outWriter.toString();
    }
    
    public static void writeDataResourceTextCache(GenericValue dataResource, String mimeTypeId, Locale locale, Map context, GenericDelegator delegator, Writer outWriter) throws IOException, GeneralException {
        String webSiteId = (String) context.get("webSiteId");
        String https = (String) context.get("https");
        
        String dataResourceId = dataResource.getString("dataResourceId");
        String dataResourceTypeId = dataResource.getString("dataResourceTypeId");
        if (UtilValidate.isEmpty(dataResourceTypeId)) {
            dataResourceTypeId = "SHORT_TEXT";
        }
        if (Debug.verboseOn()) Debug.logVerbose(" in writeDataResourceAsHtml, dataResourceId:" + dataResourceId, module);
        if (Debug.verboseOn()) Debug.logVerbose(" in writeDataResourceAsHtml, dataResourceTypeId:" + dataResourceTypeId, module);
        
        if (dataResourceTypeId.equals("SHORT_TEXT")) {
            String text = dataResource.getString("objectInfo");
            outWriter.write(text);
        } else if (dataResourceTypeId.equals("ELECTRONIC_TEXT")) {
            GenericValue electronicText = delegator.findByPrimaryKeyCache("ElectronicText", UtilMisc.toMap("dataResourceId", dataResourceId));
            String text = electronicText.getString("textData");
            if (Debug.verboseOn()) Debug.logVerbose(" in writeDataResourceAsHtml, text:" + text, module);
            outWriter.write(text);
        } else if (dataResourceTypeId.equals("IMAGE_OBJECT")) {
            // TODO: Is this where the image (or any binary) object URL is created? looks like it is just returning 
            //the ID, maybe is okay, but maybe should create the whole image tag so that text and images can be 
            //interchanged without changing the wrapping template, and so the wrapping template doesn't have to know what the root is, etc
            /*
            // decide how to render based on the mime-types
            // TODO: put this in a separate method to be re-used for file objects as well...
            if ("text/html".equals(mimeTypeId)) {
            } else if ("text/plain".equals(mimeTypeId)) {
            } else {
                throw new GeneralException("The renderDataResourceAsText operation does not yet support the desired mime-type: " + mimeTypeId);
            }
            */
            
            if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(IMAGE), mimeTypeId:" + mimeTypeId, module);
            String text = (String) dataResource.get("dataResourceId");
            outWriter.write(text);
        } else if (dataResourceTypeId.equals("LINK")) {
            String text = dataResource.getString("objectInfo");
            outWriter.write(text);
        } else if (dataResourceTypeId.equals("URL_RESOURCE")) {
            String text = null;
            URL url = new URL(dataResource.getString("objectInfo"));
            if (url.getHost() != null) { // is absolute
                InputStream in = url.openStream();
                int c;
                StringWriter sw = new StringWriter();
                while ((c = in.read()) != -1) {
                    sw.write(c);
                }
                sw.close();
                text = sw.toString();
                if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(URL-ABS), text:" + text, module);
            } else {
                String prefix = buildRequestPrefix(delegator, locale, webSiteId, https);
                String sep = "";
                //String s = "";
                if (url.toString().indexOf("/") != 0 && prefix.lastIndexOf("/") != (prefix.length() - 1)) {
                    sep = "/";
                }
                String s2 = prefix + sep + url.toString();
                URL url2 = new URL(s2);
                if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(URL-REL), s2:" + s2, module);
                text = (String) url2.getContent();
                if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(URL-REL), text:" + text, module);
            }
            outWriter.write(text);
        } else if (dataResourceTypeId.indexOf("_FILE") >= 0) {
            String rootDir = (String) context.get("rootDir");
            renderFile(dataResourceTypeId, dataResource.getString("objectInfo"), rootDir, outWriter);
        } else {
            throw new GeneralException("The dataResourceTypeId [" + dataResourceTypeId + "] is not supported in renderDataResourceAsText");
        }
    }

    public static void renderFile(String dataResourceTypeId, String objectInfo, String rootDir, Writer out) throws GeneralException, IOException {
        // TODO: this method assumes the file is a text file, if it is an image we should respond differently, see the comment above for IMAGE_OBJECT type data resource
        
        if (dataResourceTypeId.equals("LOCAL_FILE")) {
            File file = new File(objectInfo);
            if (!file.isAbsolute()) {
                throw new GeneralException("File (" + objectInfo + ") is not absolute");
            }
            int c;
            if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(LOCAL), file:" + file, module);
            FileReader in = new FileReader(file);
            while ((c = in.read()) != -1) {
                out.write(c);
            }
        } else if (dataResourceTypeId.equals("OFBIZ_FILE")) {
            String prefix = System.getProperty("ofbiz.home");
            String sep = "";
            if (objectInfo.indexOf("/") != 0 && prefix.lastIndexOf("/") != (prefix.length() - 1)) {
                sep = "/";
            }
            File file = new File(prefix + sep + objectInfo);
            if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(OFBIZ_FILE), file:" + file, module);
            int c;
            FileReader in = new FileReader(file);
            while ((c = in.read()) != -1)
                out.write(c);
        } else if (dataResourceTypeId.equals("CONTEXT_FILE")) {
            String prefix = rootDir;
            String sep = "";
            if (objectInfo.indexOf("/") != 0 && prefix.lastIndexOf("/") != (prefix.length() - 1)) {
                sep = "/";
            }
            File file = new File(prefix + sep + objectInfo);
            int c;
            FileReader in = null;
            try {
                in = new FileReader(file);
            } catch (FileNotFoundException e) {
                if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(CONTEXT_FILE), in FNFexception:" + e.getMessage(), module);
                throw new GeneralException("Could not find context file to render", e);
            } catch (Exception e) {
                Debug.logError(" in renderDataResourceAsHtml(CONTEXT_FILE), got exception:" + e.getMessage(), module);
            }
            if (Debug.verboseOn()) Debug.logVerbose(" in renderDataResourceAsHtml(CONTEXT_FILE), after FileReader:", module);
            while ((c = in.read()) != -1) {
                out.write(c);
            }
        }
        return;
    }

    public static String buildRequestPrefix(GenericDelegator delegator, Locale locale, String webSiteId, String https) {
        String prefix = null;
        Map prefixValues = new HashMap();
        NotificationServices.setBaseUrl(delegator, webSiteId, prefixValues);
        if (https != null && https.equalsIgnoreCase("true")) {
            prefix = (String) prefixValues.get("baseSecureUrl");
        } else {
            prefix = (String) prefixValues.get("baseUrl");
        }
        if (UtilValidate.isEmpty(prefix)) {
            if (https != null && https.equalsIgnoreCase("true")) {
                prefix = UtilProperties.getMessage("content", "baseSecureUrl", locale);
            } else {
                prefix = UtilProperties.getMessage("content", "baseUrl", locale);
            }
        }
        if (Debug.verboseOn()) Debug.logVerbose("in buildRequestPrefix, prefix:" + prefix, "");

        return prefix;
    }
}