Java Code Examples for freemarker.template.Configuration#setNumberFormat()

/**
 * Inits the freemarker.
 *
 * @return the configuration
 */
public static Configuration initFreemarker() {
  try {
    Configuration config = new Configuration();
    config.setTemplateLoader(new ClassTemplateLoader(Freemarker.class, "/templates"));
    config.setTemplateUpdateDelay(0);
    config.setTemplateExceptionHandler(TemplateExceptionHandler.HTML_DEBUG_HANDLER);
    config.setObjectWrapper(ObjectWrapper.BEANS_WRAPPER);
    config.setDefaultEncoding("ISO-8859-1");
    config.setOutputEncoding("ISO-8859-1");
    config.setNumberFormat("0");
    config.setSetting("url_escaping_charset", "ISO-8859-1");
    config.setLocale(Locale.ENGLISH);
    setAutoImport(config);
    setSharedVariables(config);
    return config;
  } catch (Throwable e) {
    throw new RuntimeException("Could not initialise Freemarker configuration", e);
  }
}
 

/**
 * log4j里加 log4j.logger.freemarker=fatal 过滤掉FM自身的error Log
 */
public static String fmParse( String str, Map<String, ?> data, Writer out, Configuration cfg ) {
	try {
		cfg.setNumberFormat("#"); // 防止数字类格式化，eg: 1000 变 1,000
     Template tl = new Template("t.ftl", new StringReader(str), cfg);
     tl.setEncoding("UTF-8");
     tl.process(data, out);
     str = out.toString();
     out.flush();
     
     return str;
    } 
    catch (Exception e) {
    	String errorMsg = "FM-parse-error:" + e.getMessage();
 	log.error(errorMsg);
 	log.debug("template = " + str + ", data = " + data);
 	
 	return errorMsg;
 }
}
 

/**
 * 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);
    }
}
 

@Override
public void afterPropertiesSet() {
    Configuration configuration = new Configuration(Configuration.VERSION_2_3_28);
    configuration.setDefaultEncoding("utf-8");
    configuration.setLogTemplateExceptions(true);
    configuration.setNumberFormat("computer");
    configuration.setOutputFormat(XHTMLOutputFormat.INSTANCE);
    configuration.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
    configuration.setTemplateLoader(new SpringTemplateLoader(this.resourceLoader, this.resourceLoaderPath));

    if (this.shouldCheckForTemplateModifications) {
        configuration.setTemplateUpdateDelayMilliseconds(1000);
    } else {
        configuration.setTemplateUpdateDelayMilliseconds(Long.MAX_VALUE);
    }

    this.configuration = configuration;
}
 

/**
 * 构建freemarker配置
 *
 * @param templatePO
 * @return (freemarker配置 ， 模板内部版本号 ， 模板目录地址)
 */
private Triple<Configuration, Integer, String> buildTriple(CodeTemplatePO templatePO) {
    String templateDir = dataDirService.getTemplateRecentDir(templatePO);
    LOGGER.info("开始构建FreeMarker Configuration,templateId={},innerVersion={},模板文件输出目录：{}",
        templatePO.getTemplateId(), templatePO.getInnerVersion(), templateDir);
    // 把模板输出到目录
    templateFileOutputService.outputTemplateFiles(templatePO.getTemplateFiles(), templateDir);

    Configuration cfg = new Configuration(Configuration.VERSION_2_3_25);
    try {
        cfg.setDirectoryForTemplateLoading(new File(templateDir));
    } catch (IOException e) {
        LOGGER.error("模板目录设置异常", e);
        throw new BusinessException("模板目录设置异常");
    }
    cfg.setNumberFormat("#");
    // 设置可访问的静态工具类
    cfg.setSharedVariable("MetaConstType", metaConstTypeModel);
    cfg.setSharedVariable("JFieldType", jFieldTypeModel);
    cfg.setSharedVariable("QueryType", queryTypeModel);
    cfg.setSharedVariable("EditType", editTypeModel);
    cfg.setSharedVariable("MetaSpecialField", metaSpecialFieldModel);
    cfg.setSharedVariable("PrimaryKeyStrategy", primaryKeyStrategyModel);
    cfg.setSharedVariable("CommonTemplateFunction", commonTemplateFunctionModel);
    cfg.setSharedVariable("JavaTemplateFunction", javaTemplateFunctionModel);
    cfg.setSharedVariable("SqlTemplateFunction", sqlTemplateFunctionModel);
    return Triple.of(cfg, templatePO.getInnerVersion(), templateDir);
}
 

public static Configuration newFreeMarkerConfiguration(List<File> templateRootDirs,
                                                               String defaultEncoding,
                                                               String templateName)
                throws IOException {
            Configuration conf = new Configuration();

            FileTemplateLoader[] templateLoaders = new FileTemplateLoader[templateRootDirs.size()];
            for (int i = 0; i < templateRootDirs.size(); i++) {
                templateLoaders[i] = new FileTemplateLoader((File) templateRootDirs.get(i));
            }
            MultiTemplateLoader multiTemplateLoader = new MultiTemplateLoader(templateLoaders);

            conf.setTemplateLoader(multiTemplateLoader);
            conf.setNumberFormat("###############");
            conf.setBooleanFormat("true,false");
            conf.setDefaultEncoding(defaultEncoding);

            final String macro_include_ftl ="macro.include.ftl";
            String autoIncludes = new File(new File(templateName).getParent(),macro_include_ftl).getPath();
            List<String> availableAutoInclude = TemplateHelpers.getAvailableAutoInclude(conf, Arrays.asList(macro_include_ftl,autoIncludes));
            conf.setAutoIncludes(availableAutoInclude);
            GLogger.info("[set Freemarker.autoIncludes]"+availableAutoInclude+" for templateName:"+templateName);

//            GLogger.info(templateName);
//            List<String> autoIncludes = getParentPaths(templateName, "macro.include.ftl");
//            GLogger.info(autoIncludes.toString());
//            List<String> availableAutoInclude = TemplateHelpers.getAvailableAutoInclude(
//                conf, autoIncludes);
            conf.setAutoIncludes(availableAutoInclude);

            GLogger.trace("set Freemarker.autoIncludes:" + availableAutoInclude
                    + " for templateName:" + templateName + " autoIncludes:" + autoIncludes);
            return conf;
        }
 

FreemarkerResolver() {
  cfg = new Configuration(Configuration.getVersion());
  cfg.setDefaultEncoding(StandardCharsets.UTF_8.name());
  cfg.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
  cfg.setClassForTemplateLoading(Bootstrap.class,
      WebConfigKeys.VIEW_PREFIX_FREEMARKER.getValue());
  cfg.setNumberFormat(Strings.OCTOTHORP);
  if (WebConfigKeys.VIEW_CACHE.castValue(boolean.class)) {
    cfg.setCacheStorage(new MruCacheStorage(20, 250));
  } else {
    cfg.unsetCacheStorage();
  }
}
 

/**
	 * 
	 * @param httpConfig
	 * @param root
	 * @return
	 * @throws IOException
	 */
	private Configuration createConfiguration(HttpConfig httpConfig, String root) throws IOException {
		if (httpConfig.getPageRoot() == null) {
			return null;
		}

		if (configurationCreater != null) {
			return configurationCreater.createConfiguration(httpConfig, root);
		}

		Configuration cfg = new Configuration(Configuration.getVersion());

		if (httpConfig.isPageInClasspath()) {
			cfg.setClassForTemplateLoading(this.getClass(), "/" + root/**.substring("classpath:".length())*/
			);
			//cfg.setClassForTemplateLoading(FreemarkerUtil.class, "/template");
		} else {
			cfg.setDirectoryForTemplateLoading(new File(root));
		}
		cfg.setDefaultEncoding(httpConfig.getCharset());
		//		cfg.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
		cfg.setLogTemplateExceptions(false);
		cfg.setWrapUncheckedExceptions(true);
		cfg.setTemplateExceptionHandler(ShortMessageTemplateExceptionHandler.me);
		cfg.setLocale(Locale.SIMPLIFIED_CHINESE);
		cfg.setNumberFormat("#");
//		cfg.setClassicCompatible(true);
		return cfg;
	}
 

@Override
public void afterPropertiesSet() throws IOException, TemplateException {
	super.afterPropertiesSet();
	Configuration cfg = this.getConfiguration();
	cfg.setSharedVariable("shiro", new ShiroTags());// shiro标签
	cfg.setNumberFormat("#");// 防止页面输出数字,变成2,000
	// 可以添加很多自己的要传输到页面的[方法、对象、值]
}
 

@BeforeAll
public static void loadTemplates() {
  loader = new ClassTemplateLoader(
      BaseDocumentationTest.class,
      "templates"
  );

  configuration = new Configuration(Configuration.getVersion());
  configuration.setDefaultEncoding("UTF-8");
  configuration.setTemplateLoader(loader);
  configuration.setObjectWrapper(new BeansWrapper(Configuration.getVersion()));
  configuration.setNumberFormat("computer");
}
 

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;
}
 

protected void postProcessConfiguration(Configuration config) throws IOException, TemplateException {
	config.setObjectWrapper(INSTANCE);
	config.setSetting("classic_compatible", "true");
	//默认不格式化数字
	config.setNumberFormat("#");
}
 

@Override
public void init(Application application) {
    super.init(application);

    Router router = getRouter();
    PippoSettings pippoSettings = getPippoSettings();

    configuration = new Configuration(Configuration.VERSION_2_3_21);
    configuration.setDefaultEncoding(PippoConstants.UTF8);
    configuration.setOutputEncoding(PippoConstants.UTF8);
    configuration.setLocalizedLookup(true);
    configuration.setClassForTemplateLoading(FreemarkerTemplateEngine.class, getTemplatePathPrefix());

    // We also do not want Freemarker to chose a platform dependent
    // number formatting. Eg "1000" could be printed out by FTL as "1,000"
    // on some platforms.
    // See also:
    // http://freemarker.sourceforge.net/docs/app_faq.html#faq_number_grouping
    configuration.setNumberFormat("0.######"); // now it will print 1000000

    if (pippoSettings.isDev()) {
        configuration.setTemplateUpdateDelayMilliseconds(0); // disable cache
    } else {
        // never update the templates in production or while testing...
        configuration.setTemplateUpdateDelayMilliseconds(Integer.MAX_VALUE);

        // Hold 20 templates as strong references as recommended by:
        // http://freemarker.sourceforge.net/docs/pgui_config_templateloading.html
        configuration.setCacheStorage(new freemarker.cache.MruCacheStorage(20, Integer.MAX_VALUE));
    }

    // set global template variables
    configuration.setSharedVariable("contextPath", new SimpleScalar(router.getContextPath()));
    configuration.setSharedVariable("appPath", new SimpleScalar(router.getApplicationPath()));

    webjarResourcesMethod = new WebjarsAtMethod(router);
    publicResourcesMethod = new PublicAtMethod(router);

    // allow custom initialization
    init(application, configuration);
}