org.thymeleaf.templateresolver.ClassLoaderTemplateResolver Java Examples

@Before
public void setup() {
    repository = mock(InstanceRepository.class);
    when(repository.find(instance.getId())).thenReturn(Mono.just(instance));

    sender = mock(JavaMailSender.class);
    when(sender.createMimeMessage()).thenAnswer(args -> new MimeMessage(Session.getInstance(new Properties())));

    SpringTemplateEngine templateEngine = new SpringTemplateEngine();
    ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
    resolver.setTemplateMode(TemplateMode.HTML);
    resolver.setCharacterEncoding(StandardCharsets.UTF_8.name());
    templateEngine.addTemplateResolver(resolver);

    notifier = new MailNotifier(sender, repository, templateEngine);
    notifier.setTo(new String[]{"[email protected]"});
    notifier.setCc(new String[]{"[email protected]"});
    notifier.setFrom("SBA <[email protected]>");
    notifier.setBaseUrl("http://localhost:8080");
    notifier.setTemplate("/META-INF/spring-boot-admin-server/mail/status-changed.html");
}
 

public static void testB() {
	 ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
     //模板所在目录，相对于当前classloader的classpath。
     resolver.setPrefix("static/");
    
     ///模板文件后缀
     // resolver.setSuffix(".html");
     // resolver.setCacheable(false);//设置不缓存
     // resolver.setTemplateMode("HTML5");
     
     TemplateEngine engine = new TemplateEngine();
     engine.setTemplateResolver(resolver);
     Context context = new Context();
     context.setVariable("socketurl", "ws");
     System.out.println(engine.process("websocket.html", context)); 
}
 

@Override
protected ByteBuf buildRes(String resPath, Map<String, Object> parameters) {
	if (!isThymeleafFile(resPath)) {
		
		return super.buildRes(resPath, parameters);
	} else {
		try {
			Context context = new Context();
			context.setVariables(parameters);

			if (!engine.isInitialized()) {
				ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
				resolver.setPrefix(this.getRootDir());
				//设置不缓存
				resolver.setCacheable(false);
				engine.setTemplateResolver(resolver);
			}

			String htmlContext = engine.process(resPath, context);
			return Unpooled.copiedBuffer(htmlContext, CharsetUtil.UTF_8);
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		return null;
	}
}
 

@Bean
  public SpringTemplateEngine templateEngine() {
  	SpringTemplateEngine mock = spy(SpringTemplateEngine.class);
  	
  	final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
templateResolver.setOrder(2);
templateResolver.setResolvablePatterns(Collections.singleton("html/*"));
templateResolver.setPrefix("/mail/");
templateResolver.setSuffix(".html");
templateResolver.setTemplateMode(TemplateMode.HTML);
templateResolver.setCharacterEncoding("UTF-8");
templateResolver.setCacheable(false);
  	mock.addTemplateResolver(templateResolver);
  	
  	final ClassLoaderTemplateResolver templateResolverTxt = new ClassLoaderTemplateResolver();
templateResolverTxt.setOrder(1);
templateResolverTxt.setResolvablePatterns(Collections.singleton("text/*"));
templateResolverTxt.setPrefix("/mail/");
templateResolverTxt.setSuffix(".txt");
templateResolverTxt.setTemplateMode(TemplateMode.TEXT);
templateResolverTxt.setCharacterEncoding("UTF-8");
templateResolverTxt.setCacheable(false);
mock.addTemplateResolver(templateResolverTxt);
  	
return mock;
  }
 

private String getMailBodyFromTemplate(String templateName, Map<String, Object> vars){
    ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
    resolver.setPrefix("email-templates/");     //模板所在目录，相对于当前classloader的classpath。
    resolver.setSuffix(".html");                //模板文件后缀
    TemplateEngine templateEngine = new TemplateEngine();
    templateEngine.setTemplateResolver(resolver);

    Context context = new Context();
    for(Iterator<String> iterator = vars.keySet().iterator(); iterator.hasNext();){
        String key = iterator.next();
        context.setVariable(key, vars.get(key));
    }

    StringWriter writer = new StringWriter();
    templateEngine.process("example", context, writer);
    return writer.toString();
}
 

public SwaggerMappingSupport(ServletContext servletContext, String urlPatternMapping) throws ServletException {
    this.contextPath = servletContext.getContextPath();
    urlPrefix = contextPath + urlPatternMapping;
    urlPrefix = urlPrefix.replaceAll("/{2,}", "/");
    if (!"/".equals(urlPrefix) && urlPrefix.endsWith("/")) {
        urlPrefix = urlPrefix.substring(0, urlPrefix.length() - 1);
    }
    requestMatchers = Arrays.stream(RESOURCE_PATTERNS)
            .map(pattern -> String.join("/", this.contextPath, urlPatternMapping, pattern))
            .map(pattern -> pattern.replaceAll("/{2,}", "/"))
            .map(pattern -> new AntPathRequestMatcher(pattern, HttpMethod.GET.name()))
            .collect(Collectors.toList());

    ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver(SwaggerFilter.class.getClassLoader());
    templateResolver.setPrefix(TEMPLATES_PATH + "/");
    templateResolver.setTemplateMode(TemplateMode.HTML);
    TemplateEngine templateEngine = new TemplateEngine();
    templateEngine.setTemplateResolver(templateResolver);
    this.templateEngine = templateEngine;
}
 

@BeforeEach
public void setup() {
	repository = mock(InstanceRepository.class);
	when(repository.find(instance.getId())).thenReturn(Mono.just(instance));

	sender = mock(JavaMailSender.class);
	when(sender.createMimeMessage()).thenAnswer((args) -> new MimeMessage(Session.getInstance(new Properties())));

	SpringTemplateEngine templateEngine = new SpringTemplateEngine();
	ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
	resolver.setTemplateMode(TemplateMode.HTML);
	resolver.setCharacterEncoding(StandardCharsets.UTF_8.name());
	templateEngine.addTemplateResolver(resolver);

	notifier = new MailNotifier(sender, repository, templateEngine);
	notifier.setTo(new String[] { "[email protected]" });
	notifier.setCc(new String[] { "[email protected]" });
	notifier.setFrom("SBA <[email protected]>");
	notifier.setBaseUrl("http://localhost:8080");
	notifier.setTemplate("/META-INF/spring-boot-admin-server/mail/status-changed.html");
}
 

@Bean
public ITemplateResolver templateResolver() {
    ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
    resolver.setPrefix("templates/books/");
    resolver.setSuffix(".html");
    resolver.setTemplateMode(TemplateMode.HTML);
    resolver.setCharacterEncoding("UTF-8");
    return resolver;
}
 

private ITemplateResolver stringTemplateResolver() {
	final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
	templateResolver.setOrder(3);
	templateResolver.setTemplateMode(TemplateMode.HTML5);
	templateResolver.setCacheable(false);
	return templateResolver;
}
 

@Inject
public ThymeleafTemplateProcessorImpl() {
  final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
  templateResolver.setTemplateMode(HTML);
  templateResolver.setSuffix(".html");
  templateResolver.setCacheTTLMs(3600000L);
  this.templateEngine = new TemplateEngine();
  this.templateEngine.setTemplateResolver(templateResolver);
}
 

/**
 * Creates thymeleaf template engine.
 *
 * @return template engine.
 */
private static TemplateEngine getTemplateEngine() {
    final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setTemplateMode("HTML");
    templateResolver.setPrefix("/");
    templateResolver.setSuffix(".template");
    final TemplateEngine tplEngine = new TemplateEngine();
    tplEngine.setTemplateResolver(templateResolver);
    return tplEngine;
}
 

private static ITemplateResolver createDefaultTemplateResolver(String prefix, String suffix) {
    final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setTemplateMode(TemplateMode.HTML);

    templateResolver.setPrefix(
            prefix != null ? prefix : DEFAULT_PREFIX
    );

    templateResolver.setSuffix(
            suffix != null ? suffix : DEFAULT_SUFFIX
    );

    templateResolver.setCacheTTLMs(DEFAULT_CACHE_TTL_MS);
    return templateResolver;
}
 

private ITemplateResolver htmlTemplateResolver() {
	final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
	templateResolver.setOrder(2);
	templateResolver.setResolvablePatterns(Collections.singleton("html/*"));
	templateResolver.setPrefix("/mail/");
	templateResolver.setSuffix(".html");
	templateResolver.setTemplateMode(TemplateMode.HTML);
	templateResolver.setCharacterEncoding("UTF-8");
	templateResolver.setCacheable(false);
	return templateResolver;
}
 

@Bean
public ITemplateResolver templateResolver() {
    ClassLoaderTemplateResolver resolver 
        = new ClassLoaderTemplateResolver();
    resolver.setPrefix("templates/sessionattrs/");
    resolver.setSuffix(".html");
    resolver.setTemplateMode(TemplateMode.HTML);
    resolver.setCharacterEncoding("UTF-8");
    return resolver;
}
 

private String parseThymeleafTemplate() {
    ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setSuffix(".html");
    templateResolver.setTemplateMode(TemplateMode.HTML);

    TemplateEngine templateEngine = new TemplateEngine();
    templateEngine.setTemplateResolver(templateResolver);

    Context context = new Context();
    context.setVariable("to", "Baeldung.com");

    return templateEngine.process("thymeleaf_template", context);
}
 

private String parseThymeleafTemplate() {
    ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setSuffix(".html");
    templateResolver.setTemplateMode(TemplateMode.HTML);

    TemplateEngine templateEngine = new TemplateEngine();
    templateEngine.setTemplateResolver(templateResolver);

    Context context = new Context();
    context.setVariable("to", "Baeldung.com");

    return templateEngine.process("thymeleaf_template", context);
}
 

private static void setupThymeleaf() {
    ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setCacheable(false);
    templateResolver.setCharacterEncoding("UTF-8");
    templateResolver.setTemplateMode(TemplateMode.HTML);

    templateEngine = new TemplateEngine();
    templateEngine.setTemplateResolver(templateResolver);
    templateEngine.addDialect("shiro", new ShiroDialect());

}
 

private static void setupThymeleaf() {
    ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setCacheable(false);
    templateResolver.setCharacterEncoding(Charsets.UTF_8.name());
    templateResolver.setTemplateMode(TemplateMode.HTML);

    templateEngine = new TemplateEngine();
    templateEngine.setTemplateResolver(templateResolver);
    final ShiroDialect dialect = new ShiroDialect();
    templateEngine.addDialect(dialect.getPrefix(), dialect);

}
 

private ITemplateResolver textTemplateResolver() {
	final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
	templateResolver.setOrder(1);
	templateResolver.setResolvablePatterns(Collections.singleton("text/*"));
	templateResolver.setPrefix("/mail/");
	templateResolver.setSuffix(".txt");
	templateResolver.setTemplateMode(TemplateMode.TEXT);
	templateResolver.setCharacterEncoding("UTF-8");
	templateResolver.setCacheable(false);
	return templateResolver;
}
 

private ITemplateResolver defaultTemplateResolver() {
    ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setPrefix("/views/");
    templateResolver.setSuffix(".html");
    templateResolver.setTemplateMode("HTML");
    return templateResolver;
}
 

private ITemplateResolver defaultTemplateResolver() {
    ClassLoaderTemplateResolver templateResolver = new CustomClassLoaderTemplateResolver();
    templateResolver.setPrefix("/webroot/views/");
    templateResolver.setSuffix(".html");
    templateResolver.setTemplateMode("HTML");
    return templateResolver;
}
 

private ITemplateResolver createDefaultTemplateResolver() {
    if (classLoader == null) {
        classLoader = Thread.currentThread().getContextClassLoader();
    }
    ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver(classLoader);
    resolver.setTemplateMode(TemplateMode.HTML);
    resolver.setPrefix(prefix);
    resolver.setSuffix(suffix);
    resolver.setCharacterEncoding(encoding);
    return resolver;
}
 

private ITemplateResolver jsTemplateResolver() {
    final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setOrder(3);
    templateResolver.setResolvablePatterns(Collections.singleton("js/*"));
    templateResolver.setPrefix(TEMPLATE_PREFIX);
    templateResolver.setSuffix(".js");
    templateResolver.setTemplateMode(TemplateMode.JAVASCRIPT);
    templateResolver.setCharacterEncoding(TEMPLATE_ENCODING);
    templateResolver.setCacheable(thymeleafProperties.isCache());
    return templateResolver;
}
 

private ITemplateResolver htmlTemplateResolver() {
    final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setOrder(2);
    templateResolver.setResolvablePatterns(Collections.singleton("html/*"));
    templateResolver.setPrefix(TEMPLATE_PREFIX);
    templateResolver.setSuffix(".html");
    templateResolver.setTemplateMode(TemplateMode.HTML);
    templateResolver.setCharacterEncoding(TEMPLATE_ENCODING);
    templateResolver.setCacheable(thymeleafProperties.isCache());
    return templateResolver;
}
 

private ITemplateResolver textTemplateResolver() {
    final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setOrder(1);
    templateResolver.setResolvablePatterns(Collections.singleton("text/*"));
    templateResolver.setPrefix(TEMPLATE_PREFIX);
    templateResolver.setSuffix(".txt");
    templateResolver.setTemplateMode(TemplateMode.TEXT);
    templateResolver.setCharacterEncoding(TEMPLATE_ENCODING);
    templateResolver.setCacheable(thymeleafProperties.isCache());
    return templateResolver;
}
 

private void templateInit() {
    ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setTemplateMode(TemplateMode.TEXT);
    templateResolver.setPrefix("/templates/");
    templateResolver.setSuffix(".md");
    templateResolver.setCacheable(false);

    templateEngine = new TemplateEngine();
    templateEngine.setTemplateResolver(templateResolver);
}
 

/**
* Formate common fix body.
*
* @param silentautoFixTrans the silentauto fix trans
* @param ruleParam the rule param
* @param resourceOwner the resource owner
* @return the string
*/
public static String formateCommonFixBody(List<AutoFixTransaction> silentautoFixTrans,Map<String, String> ruleParam,ResourceOwner resourceOwner) {
    TemplateEngine templateEngine = new TemplateEngine();
    ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
    templateResolver.setTemplateMode("HTML");
    templateResolver.setSuffix(".html");
    templateEngine.setTemplateResolver(templateResolver);
    
    List<String> columnsList = Arrays.asList(CommonUtils.getPropValue(PacmanSdkConstants.PACMAN_MAIL_TEMPLATE_COLUMNS
            + ruleParam.get(PacmanSdkConstants.RULE_ID)).split("\\s*,\\s*"));
   
    Context context = new Context(); 
  
    context.setVariable("columns", columnsList);
    context.setVariable("resources", silentautoFixTrans);
    String policyUrl = getPolicyKnowledgeBasePathURL(ruleParam);
    String name =CommonUtils.getPropValue(PacmanSdkConstants.SEND_EMAIL_SILENT_FIX_ADMIN
            + ruleParam.get(PacmanSdkConstants.RULE_ID));
    
    if(StringUtils.isNullOrEmpty(name)){
  	 name = resourceOwner.getName(); 
    }
    String postFixMessage = CommonUtils.getPropValue(PacmanSdkConstants.EMAIL_FIX_MESSAGE_PREFIX
            + ruleParam.get(PacmanSdkConstants.RULE_ID));
    context.setVariable("AUTOFIX_POST_FIX_MESSAGE", postFixMessage);
    context.setVariable("POLICY_URL", policyUrl);
    context.setVariable("NAME", "Hello "+name);
    context.setVariable("RESOURCE_TYPE", " Resource Type : "+ruleParam.get(PacmanSdkConstants.TARGET_TYPE));
    context.setVariable("AUTO_FIX_APPLIED", "Total AutoFixs Applied : "+silentautoFixTrans.size());
    StringWriter writer = new StringWriter();
    
  if(CommonUtils.getPropValue("pacman.auto.fix.common.email.notifications."
            + ruleParam.get(PacmanSdkConstants.RULE_ID)).equals("commonTemplate")){
    	templateEngine.process("/template/autofix-user-notification-action-common.html", context, writer);
}else{
    	templateEngine.process("/template/autofix-silent-autodelete-usernotification-info.html", context, writer);
    }
    return writer.toString();
    
}
 

@Bean
	public ClassLoaderTemplateResolver emailTemplateResolver() {
		ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
		templateResolver.setPrefix("/");
		templateResolver.setTemplateMode("HTML5");
		//减轻thymeleaf对HTML语法的疯狂检查
//	    templateResolver.setTemplateMode("LEGACYHTML5");
		templateResolver.setCharacterEncoding("UTF-8");
	    templateResolver.setOrder(1);
		return templateResolver;
	}
 

public static void main(String[] args) {
    // 1.上下文
    Context context = new Context();
    //创建数据模型
    Map<String, Object> dataModel = new HashMap<String, Object>(1);
    dataModel.put("name", "青橙电商系统");
    context.setVariables(dataModel);
    // 2.准备文件
    File dest = new File("d:/test_out.html");
    // 3.生成页面
    try {
        PrintWriter writer = new PrintWriter(dest, "UTF-8");
        //模板解析器
        ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
        //模板模型
        resolver.setTemplateMode(TemplateMode.HTML);
        //后缀
        resolver.setSuffix(".html");
        //创建模板引擎
        TemplateEngine engine = new TemplateEngine();
        //设置模板解析器
        engine.setTemplateResolver(resolver);
        //执行模板引擎
        engine.process("test", context, writer);
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

@Override
public ITemplateResolver adapt(ResourceResolver resolver) {
	ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
	applyOptions(templateResolver);
	return templateResolver;
}