freemarker.cache.StringTemplateLoader Java Exaples

Source File: HtmlFormatter.java From yarg with Apache License 2.0

6 votes

protected freemarker.template.Template getFreemarkerTemplate() {
    try {
        String templateContent = IOUtils.toString(reportTemplate.getDocumentContent(), StandardCharsets.UTF_8);
        StringTemplateLoader stringLoader = new StringTemplateLoader();
        stringLoader.putTemplate(reportTemplate.getDocumentName(), templateContent);

        Configuration fmConfiguration = new Configuration();
        fmConfiguration.setTemplateLoader(stringLoader);
        fmConfiguration.setDefaultEncoding("UTF-8");

        freemarker.template.Template htmlTemplate = fmConfiguration.getTemplate(reportTemplate.getDocumentName());
        htmlTemplate.setObjectWrapper(objectWrapper);
        return htmlTemplate;
    } catch (Exception e) {
        throw wrapWithReportingException("An error occurred while creating freemarker template", e);
    }
}

Source File: FreemarkerTest.java From mogu_blog_v2 with Apache License 2.0

6 votes

@Test
public void testGenerateHtmlByString() throws IOException, TemplateException {
    //创建配置类
    Configuration configuration = new Configuration(Configuration.getVersion());
    //获取模板内容
    //模板内容，这里测试时使用简单的字符串作为模板
    String templateString = "" +
            "<html>\n" +
            "    <head></head>\n" +
            "    <body>\n" +
            "    名称：${name}\n" +
            "    </body>\n" +
            "</html>";

    //加载模板
    //模板加载器
    StringTemplateLoader stringTemplateLoader = new StringTemplateLoader();
    stringTemplateLoader.putTemplate("template", templateString);
    configuration.setTemplateLoader(stringTemplateLoader);
    Template template = configuration.getTemplate("template", "utf-8");

    //数据模型
    Map map = getMap();
    //静态化
    String content = FreeMarkerTemplateUtils.processTemplateIntoString(template, map);
    //静态化内容
    System.out.println(content);
    InputStream inputStream = IOUtils.toInputStream(content);
    //输出文件
    FileOutputStream fileOutputStream = new FileOutputStream(new File("d:/test1.html"));
    IOUtils.copy(inputStream, fileOutputStream);
}

Source File: EmailExchanger.java From open-cloud with MIT License

6 votes

/**
 * freemark处理文字
 *
 * @param input
 * @param templateStr
 * @return
 */
public static String freemarkerProcess(Map input, String templateStr) {
    StringTemplateLoader stringLoader = new StringTemplateLoader();
    String template = "content";
    stringLoader.putTemplate(template, templateStr);
    Configuration cfg = new Configuration();
    cfg.setTemplateLoader(stringLoader);
    try {
        Template templateCon = cfg.getTemplate(template, "UTF-8");
        StringWriter writer = new StringWriter();
        templateCon.process(input, writer);
        return writer.toString();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

Source File: CodeRenderer.java From jpa-entity-generator with MIT License

6 votes

/**
 * Renders source code by using Freemarker template engine.
 */
public static String render(String templatePath, RenderingData data) throws IOException, TemplateException {
    Configuration config = new Configuration(Configuration.DEFAULT_INCOMPATIBLE_IMPROVEMENTS);
    StringTemplateLoader templateLoader = new StringTemplateLoader();
    String source;
    try (InputStream is = ResourceReader.getResourceAsStream(templatePath);
         BufferedReader buffer = new BufferedReader(new InputStreamReader(is))) {
        source = buffer.lines().collect(Collectors.joining("\n"));
    }
    templateLoader.putTemplate("template", source);
    config.setTemplateLoader(templateLoader);
    config.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
    config.setObjectWrapper(new BeansWrapper(Configuration.DEFAULT_INCOMPATIBLE_IMPROVEMENTS));
    config.setWhitespaceStripping(true);

    try (Writer writer = new java.io.StringWriter()) {
        Template template = config.getTemplate("template");
        template.process(data, writer);
        return writer.toString();
    }
}

Source File: TemplateParse.java From genDoc with Apache License 2.0

6 votes

private boolean loadTemplate(String key) {
    String content;
    content = loadTemplateFromConfig(key);

    if (content == null) {
        content = loadTemplateFromDisk(key);
    }

    if (content == null) {
        logger.error("gendoc parse key:" + key + "  template not found!");
        return false;
    } else {
        StringTemplateLoader stringTemplateLoader = (StringTemplateLoader) configuration.getTemplateLoader();
        stringTemplateLoader.putTemplate(key, content);
        return true;
    }
}

Source File: TemplateProcessor.java From brooklyn-server with Apache License 2.0

6 votes

/** Processes template contents against the given {@link TemplateHashModel}. */
public static String processTemplateContents(String templateContents, final TemplateHashModel substitutions) {
    try {
        Configuration cfg = new Configuration();
        StringTemplateLoader templateLoader = new StringTemplateLoader();
        templateLoader.putTemplate("config", templateContents);
        cfg.setTemplateLoader(templateLoader);
        Template template = cfg.getTemplate("config");

        // TODO could expose CAMP '$brooklyn:' style dsl, based on template.createProcessingEnvironment
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Writer out = new OutputStreamWriter(baos);
        template.process(substitutions, out);
        out.flush();

        return new String(baos.toByteArray());
    } catch (Exception e) {
        log.warn("Error processing template (propagating): "+e, e);
        log.debug("Template which could not be parsed (causing "+e+") is:"
            + (Strings.isMultiLine(templateContents) ? "\n"+templateContents : templateContents));
        throw Exceptions.propagate(e);
    }
}

Source File: TemplateProcessor.java From contribution with GNU Lesser General Public License v2.1

6 votes

/**
 * Generates output file with release notes using FreeMarker.
 *
 * @param variables the map which represents template variables.
 * @param outputFile output file.
 * @param templateFileName the optional file name of the template.
 * @param defaultResource the resource file name to use if no file name was given.
 * @throws IOException if I/O error occurs.
 * @throws TemplateException if an error occurs while generating freemarker template.
 */
public static void generateWithFreemarker(Map<String, Object> variables, String outputFile,
        String templateFileName, String defaultResource) throws IOException, TemplateException {

    final Configuration configuration = new Configuration(Configuration.VERSION_2_3_22);
    configuration.setDefaultEncoding("UTF-8");
    configuration.setLocale(Locale.US);
    configuration.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
    configuration.setNumberFormat("0.######");

    final StringTemplateLoader loader = new StringTemplateLoader();
    loader.putTemplate(TEMPLATE_NAME, loadTemplate(templateFileName, defaultResource));
    configuration.setTemplateLoader(loader);

    final Template template = configuration.getTemplate(TEMPLATE_NAME);
    try (Writer fileWriter = new OutputStreamWriter(
            new FileOutputStream(outputFile), StandardCharsets.UTF_8)) {
        template.process(variables, fileWriter);
    }
}

Source File: OutMsgXmlBuilder.java From jfinal-weixin with Apache License 2.0

6 votes

private static void initStringTemplateLoader(StringTemplateLoader loader) {
	// text 文本消息
	loader.putTemplate(OutTextMsg.class.getSimpleName(), OutTextMsg.TEMPLATE);
	// news 图文消息
	loader.putTemplate(OutNewsMsg.class.getSimpleName(), OutNewsMsg.TEMPLATE);
	// image 图片消息
	loader.putTemplate(OutImageMsg.class.getSimpleName(), OutImageMsg.TEMPLATE);
	//voice 语音消息
	loader.putTemplate(OutVoiceMsg.class.getSimpleName(), OutVoiceMsg.TEMPLATE);
	// video 视频消息
	loader.putTemplate(OutVideoMsg.class.getSimpleName(), OutVideoMsg.TEMPLATE);
	// music 音乐消息
	loader.putTemplate(OutMusicMsg.class.getSimpleName(), OutMusicMsg.TEMPLATE);
	// 转发多客服消息
	loader.putTemplate(OutCustomMsg.class.getSimpleName(), OutCustomMsg.TEMPLATE);
}

Source File: HtmlReportWriter.java From vind with Apache License 2.0

6 votes

private Template loadTemplate(String name) {
    final Path path = ResourceLoaderUtils.getResourceAsPath(name);
    try {
        final byte[] encoded = Files.readAllBytes(path);

        final String tempId = "REPORT";

        StringTemplateLoader stringTemplateLoader = new StringTemplateLoader();
        stringTemplateLoader.putTemplate(tempId, new String(encoded, "UTF-8"));
        this.cfg.setTemplateLoader(stringTemplateLoader);

        return this.cfg.getTemplate(tempId);
    } catch (IOException e) {
        throw new RuntimeException("Error loading report HTML template '"+ name +"': " + e.getMessage(), e);
    }
}

Source File: DynamicHqlUtils.java From bamboobsc with Apache License 2.0

6 votes

public static String process(String resource, String queryName, Map<String, Object> paramMap) throws Exception {
	DynamicHql dynamicHql = loadResource(resource);	
	if (null == dynamicHql) {
		logger.error( "no dynamic hql resource." );			
		throw new Exception( "no dynamic hql resource." );
	}
	String hql = "";
	for (int i=0; i<dynamicHql.getQuery().size() && hql.length()<1; i++) {
		Query queryObj = dynamicHql.getQuery().get(i);
		if (!queryObj.getName().equals(queryName)) {
			continue;
		}			
		StringTemplateLoader templateLoader = new StringTemplateLoader();
		templateLoader.putTemplate(TEMPLATE_ID, queryObj.getContent());
		Configuration cfg = new Configuration( Configuration.VERSION_2_3_21 );
		cfg.setTemplateLoader(templateLoader);
		Template template = cfg.getTemplate(TEMPLATE_ID, Constants.BASE_ENCODING);
		Writer out = new StringWriter();
		template.process(paramMap, out);			
		hql = out.toString();
	}
	if (StringUtils.isBlank(hql)) {
		logger.warn( "hql is blank." );			
	}
	return hql;		
}

Source File: EmailManagerImpl.java From graviteeio-access-management with Apache License 2.0

5 votes

@Override
public Completable deleteEmail(String email) {
    Optional<Email> emailOptional = emailTemplates.values().stream().filter(email1 -> email.equals(email1.getId())).findFirst();
    if (emailOptional.isPresent()) {
        Email emailToRemove = emailOptional.get();
        emailTemplates.remove(getTemplateName(emailToRemove));
        ((StringTemplateLoader) templateLoader).removeTemplate(getTemplateName(emailToRemove) + TEMPLATE_SUFFIX);
    }
    return Completable.complete();
}

Source File: OutMsgXmlBuilder.java From jfinal-weixin with Apache License 2.0

5 votes

private static Configuration initFreeMarkerConfiguration() {
	Configuration config = new Configuration();
	StringTemplateLoader stringTemplateLoader = new StringTemplateLoader();
	initStringTemplateLoader(stringTemplateLoader);
	config.setTemplateLoader(stringTemplateLoader);
	
	// 模板缓存更新时间，对于OutMsg xml 在类文件中的模板来说已有热加载保障了更新
       config.setTemplateUpdateDelay(999999);
       // - Set an error handler that prints errors so they are readable with
       //   a HTML browser.
       // config.setTemplateExceptionHandler(TemplateExceptionHandler.HTML_DEBUG_HANDLER);
       config.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
       
       // - Use beans wrapper (recommmended for most applications)
       config.setObjectWrapper(ObjectWrapper.BEANS_WRAPPER);
       // - Set the default charset of the template files
       config.setDefaultEncoding(encoding);		// config.setDefaultEncoding("ISO-8859-1");
       // - Set the charset of the output. This is actually just a hint, that
       //   templates may require for URL encoding and for generating META element
       //   that uses http-equiv="Content-type".
       config.setOutputEncoding(encoding);			// config.setOutputEncoding("UTF-8");
       // - Set the default locale
       config.setLocale(Locale.getDefault() /* Locale.CHINA */ );		// config.setLocale(Locale.US);
       config.setLocalizedLookup(false);
       
       // 去掉int型输出时的逗号, 例如: 123,456
       // config.setNumberFormat("#");		// config.setNumberFormat("0"); 也可以
       config.setNumberFormat("#0.#####");
       config.setDateFormat("yyyy-MM-dd");
       config.setTimeFormat("HH:mm:ss");
       config.setDateTimeFormat("yyyy-MM-dd HH:mm:ss");
	return config;
}

Source File: ComponentResourceUtils.java From bamboobsc with Apache License 2.0

5 votes

public static String generatorResource(Class<?> c, String type, String metaInfFile, Map<String, Object> params) throws Exception {
	StringTemplateLoader templateLoader = new StringTemplateLoader();
	templateLoader.putTemplate("resourceTemplate", getResourceSrc(c, type, metaInfFile) );
	Configuration cfg = new Configuration( Configuration.VERSION_2_3_21 );
	cfg.setTemplateLoader(templateLoader);
	Template template = cfg.getTemplate("resourceTemplate", Constants.BASE_ENCODING);
	Writer out = new StringWriter();
	template.process(params, out);
	return out.toString();
}

Source File: TemplateUtils.java From bamboobsc with Apache License 2.0

5 votes

/**
 * 單獨提供單處理 template 取出結果
 * 
 * @param name
 * @param classLoader
 * @param templateResource
 * @param parameter
 * @return
 * @throws Exception
 */
public static String processTemplate(String name, ClassLoader classLoader, String templateResource,
		Map<String, Object> parameter) throws Exception {
	
	StringTemplateLoader templateLoader = new StringTemplateLoader();
	templateLoader.putTemplate("resourceTemplate", getResourceSrc(classLoader, templateResource) );
	Configuration cfg = new Configuration( Configuration.VERSION_2_3_21 );
	cfg.setTemplateLoader(templateLoader);
	Template template = cfg.getTemplate("resourceTemplate", Constants.BASE_ENCODING);
	Writer out = new StringWriter();
	template.process(parameter, out);
	return out.toString();
}

Source File: TemplateUtils.java From bamboobsc with Apache License 2.0

5 votes

private static String processTemplate(String resource, Map<String, Object> params) throws Exception {
	StringTemplateLoader templateLoader = new StringTemplateLoader();
	templateLoader.putTemplate("sysTemplate", resource);
	Configuration cfg = new Configuration( Configuration.VERSION_2_3_21 );
	cfg.setTemplateLoader(templateLoader);
	Template template = cfg.getTemplate("sysTemplate", Constants.BASE_ENCODING);
	Writer out = new StringWriter();
	template.process(params, out);
	return out.toString();
}

Source File: TemplateService.java From frostmourne with MIT License

5 votes

@Override
public String format(String template, Map<String, Object> env) {
    String key = md5Key(template);
    StringTemplateLoader loader = (StringTemplateLoader) dynamicConfig.getTemplateLoader();
    loader.putTemplate(key, template);

    return process(dynamicConfig, key, env);
}

Source File: EmailManagerImpl.java From graviteeio-access-management with Apache License 2.0

5 votes

@Override
public Single<Email> reloadEmail(Email email) {
    final String templateName = getTemplateName(email);
    if (email.isEnabled()) {
        reloadTemplate(templateName + TEMPLATE_SUFFIX, email.getContent());
        emailTemplates.put(templateName, email);
    } else {
        // remove email who has been disabled
        emailTemplates.remove(templateName);
        ((StringTemplateLoader) templateLoader).removeTemplate(templateName + TEMPLATE_SUFFIX);
    }
    return Single.just(email);
}

Source File: StructTemplate.java From connect-utils with Apache License 2.0

5 votes

public StructTemplate() {
  this.configuration = new Configuration(Configuration.getVersion());
  this.loader = new StringTemplateLoader();
  this.configuration.setTemplateLoader(this.loader);
  this.configuration.setDefaultEncoding("UTF-8");
  this.configuration.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
  this.configuration.setLogTemplateExceptions(false);
  this.configuration.setObjectWrapper(new ConnectObjectWrapper());
}

Source File: FreeMarkerProcessor.java From alfresco-repository with GNU Lesser General Public License v3.0

5 votes

/**
 * FreeMarker configuration for loading the specified template directly from a String
 * 
 * @param path      Pseudo Path to the template
 * @param template  Template content
 * 
 * @return FreeMarker configuration
 */
protected Configuration getStringConfig(String path, String template)
{
    Configuration config = new Configuration();
    
    // setup template cache
    config.setCacheStorage(new MruCacheStorage(2, 0));
    
    // use our custom loader to load a template directly from a String
    StringTemplateLoader stringTemplateLoader = new StringTemplateLoader();
    stringTemplateLoader.putTemplate(path, template);
    config.setTemplateLoader(stringTemplateLoader);
    
    // use our custom object wrapper that can deal with QNameMap objects directly
    config.setObjectWrapper(qnameObjectWrapper);
    
    // rethrow any exception so we can deal with them
    config.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
    
    // set default template encoding
    if (defaultEncoding != null)
    {
        config.setDefaultEncoding(defaultEncoding);
    }
    config.setIncompatibleImprovements(new Version(2, 3, 20));
    config.setNewBuiltinClassResolver(TemplateClassResolver.SAFER_RESOLVER);
    
    return config;
}

Source File: TemplateParse.java From genDoc with Apache License 2.0

5 votes

private TemplateParse(){
    configuration = new Configuration(Configuration.getVersion());
    StringTemplateLoader stringTemplateLoader = new StringTemplateLoader();
    configuration.setTemplateLoader(stringTemplateLoader);
    configuration.setObjectWrapper(new DefaultObjectWrapper(Configuration.getVersion()));
    configuration.setDefaultEncoding("UTF-8");

    initTemplateCache();
}

Source File: Freemarker.java From frostmourne with MIT License

5 votes

@Bean
public freemarker.template.Configuration dynamicConfig() {
    freemarker.template.Configuration configuration =
            new freemarker.template.Configuration(freemarker.template.Configuration.VERSION_2_3_25);
    configuration.setDateTimeFormat("UTF-8");
    configuration.setTemplateExceptionHandler(TemplateExceptionHandler.DEBUG_HANDLER);
    configuration.setClassicCompatible(true);
    configuration.setDateTimeFormat("yyyy-MM-dd HH:mm:ss");
    configuration.setTemplateLoader(new StringTemplateLoader());

    return configuration;
}

Source File: TemplateHelper.java From cuba with Apache License 2.0

4 votes

public static String processTemplate(String templateStr, Map<String, ?> parameterValues) {
    StringTemplateLoader templateLoader = new StringTemplateLoader();
    templateLoader.putTemplate("template", templateStr);
    return __processTemplate(templateLoader, "template", parameterValues);
}

Source File: EmailManagerImpl.java From graviteeio-access-management with Apache License 2.0

4 votes

private void reloadTemplate(String templateName, String content) {
    ((StringTemplateLoader) templateLoader).putTemplate(templateName, content, System.currentTimeMillis());
    configuration.clearTemplateCache();
}

Source File: GeneratePDFWorkitemHandler.java From jbpm-work-items with Apache License 2.0

4 votes

public void executeWorkItem(WorkItem workItem,
                            WorkItemManager workItemManager) {

    try {

        RequiredParameterValidator.validate(this.getClass(),
                                            workItem);

        Map<String, Object> results = new HashMap<>();
        String templateXHTML = (String) workItem.getParameter("TemplateXHTML");
        String pdfName = (String) workItem.getParameter("PDFName");

        if (pdfName == null || pdfName.isEmpty()) {
            pdfName = "generatedpdf";
        }

        Configuration cfg = new Configuration(freemarker.template.Configuration.VERSION_2_3_26);
        cfg.setDefaultEncoding("UTF-8");
        cfg.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
        cfg.setLogTemplateExceptions(false);

        StringTemplateLoader stringLoader = new StringTemplateLoader();
        stringLoader.putTemplate("pdfTemplate",
                                 templateXHTML);
        cfg.setTemplateLoader(stringLoader);

        StringWriter stringWriter = new StringWriter();

        Template pdfTemplate = cfg.getTemplate("pdfTemplate");
        pdfTemplate.process(workItem.getParameters(),
                            stringWriter);
        resultXHTML = stringWriter.toString();

        ITextRenderer renderer = new ITextRenderer();
        renderer.setDocumentFromString(resultXHTML);
        renderer.layout();

        Document document = new DocumentImpl();
        document.setName(pdfName + ".pdf");
        document.setLastModified(new Date());

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        renderer.createPDF(baos);
        document.setContent(baos.toByteArray());

        results.put(RESULTS_VALUE,
                    document);

        workItemManager.completeWorkItem(workItem.getId(),
                                         results);
    } catch (Exception e) {
        logger.error(e.getMessage());
        handleException(e);
    }
}

freemarker.cache.StringTemplateLoader Java Examples