org.apache.velocity.VelocityContext Java Examples

/**
 * 跳转到编辑页面
 * @return
 */
@RequestMapping(params="toGroupMsgSend",method ={RequestMethod.GET, RequestMethod.POST})
public void toGroupMsgSend(@ModelAttribute QywxGroup group , HttpServletResponse response, HttpServletRequest request) throws Exception{
		 VelocityContext velocityContext = new VelocityContext();
		 List<QywxAgent> agentList= qywxAgentDao.getAllQywxAgents();
		 velocityContext.put("agentList", agentList);
		 //分组展示
		 List<QywxGroup> list =qywxGroupDao.getAllQywxpid();
		 
		//页面图片显示的路径
		 String yuming=ConfigUtil.getProperty("domain");
		 velocityContext.put("yuming", yuming);
		 velocityContext.put("list", list);
		 String viewName = "qywx/msg/groupMsgSend.vm"; 
		 ViewVelocity.view(request,response,viewName,velocityContext);
}
 

protected void parseObj(
    final File base,
    final boolean append,
    final String pkg,
    final String name,
    final String out,
    final Map<String, Object> objs)
    throws MojoExecutionException {

  final VelocityContext ctx = newContext();
  ctx.put("package", pkg);

  if (objs != null) {
    for (Map.Entry<String, Object> obj : objs.entrySet()) {
      if (StringUtils.isNotBlank(obj.getKey()) && obj.getValue() != null) {
        ctx.put(obj.getKey(), obj.getValue());
      }
    }
  }

  final Template template = Velocity.getTemplate(name + ".vm");
  writeFile(out, base, ctx, template, append);
}
 

/**
 * 跳转到编辑页面
 * @return
 */
@RequestMapping(params="goMessage",method = RequestMethod.GET)
public void goMessage(@RequestParam(required = true, value = "templateId" ) String templateId,HttpServletResponse response,HttpServletRequest request) throws Exception{
		 VelocityContext velocityContext = new VelocityContext();
		 List<AlipayNewsitem> headerList = alipayNewsitemDao.getAlipayNewsitemByTemplateId(templateId);
		 if(headerList.size()>0){
			 velocityContext.put("headerNews", headerList.get(0));
				if(headerList.size()>1){
					ArrayList list = new ArrayList(headerList);
					list.remove(0);
					velocityContext.put("newsList", list);
				}
			} 
		 AlipayNewstemplate alipayNewstemplate = alipayNewstemplateDao.get(templateId);
		 SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
		 if(alipayNewstemplate.getCreateDate()!=null){
			 velocityContext.put("addtime", sdf.format(alipayNewstemplate.getCreateDate()));
		 }
		 String viewName = "alipay/sucai/alipayNewsitem-showmessage.vm";
		 ViewVelocity.view(request,response,viewName,velocityContext);
}
 

@Override
public void execute(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
	String method=retriveMethod(req);
	if(method!=null){
		invokeMethod(method, req, resp);
	}else{
		VelocityContext context = new VelocityContext();
		context.put("contextPath", req.getContextPath());
		String file=req.getParameter("file");
		String project = buildProjectNameFromFile(file);
		if(project!=null){
			context.put("project", project);
		}
		resp.setContentType("text/html");
		resp.setCharacterEncoding("utf-8");
		Template template=ve.getTemplate("html/scorecard-editor.html","utf-8");
		PrintWriter writer=resp.getWriter();
		template.merge(context, writer);
		writer.close();
	}
}
 

private String populateTemplate(String templateName) {
	VelocityEngine ve = new VelocityEngine();
	ve.init();
	Template t = ve.getTemplate(templateName);
	/* create a context and add data */
	VelocityContext context = new VelocityContext();
	String host = System.getProperty("server.address");
	if (null == host) {
		host = "localhost";
	}
	String port = System.getProperty("server.port");
	if (null == port) {
		port = "8080";
	}
	context.put("host", host);
	context.put("port", port);
	context.put("meta", getMetadata());
	final StringWriter writer = new StringWriter();
	t.merge(context, writer);
	return writer.toString();
}
 

/**
 * Render it.
 * @param folder Template folder
 * @param template Page template
 * @param params Params for velocity
 * @return Page body
 * @throws IOException If fails
 */
private static InputStream render(final String folder,
    final InputStream template,
    final Map<String, Object> params) throws IOException {
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try (Writer writer = new WriterTo(baos)) {
        final VelocityEngine engine = new VelocityEngine();
        engine.setProperty(
            "file.resource.loader.path",
            folder
        );
        engine.evaluate(
            new VelocityContext(params),
            writer,
            "",
            new ReaderOf(template)
        );
    }
    return new ByteArrayInputStream(baos.toByteArray());
}
 

@Override
protected void setUpContext(HttpServletRequest req, HollowUISession session, VelocityContext ctx) {
    String type = req.getParameter("type");
    int fromOrdinal = Integer.parseInt(req.getParameter("fromOrdinal"));
    int toOrdinal = Integer.parseInt(req.getParameter("toOrdinal"));

    int fieldIdx = -1;
    if(req.getParameter("fieldIdx") != null)
        fieldIdx = Integer.parseInt(req.getParameter("fieldIdx"));

    ctx.put("typeName", type);
    ctx.put("fromOrdinal", fromOrdinal);
    ctx.put("toOrdinal", toOrdinal);

    HollowObjectView diffView = diffUI.getHollowObjectViewProvider().getObjectView(req, session);

    HollowDiffHtmlKickstarter htmlKickstarter = new HollowDiffHtmlKickstarter(diffUI.getBaseURLPath());

    ctx.put("initialHtml", htmlKickstarter.initialHtmlRows(diffView));

    ctx.put("breadcrumbs", getBreadcrumbs(type, fieldIdx, fromOrdinal, toOrdinal));
}
 

/**
 * 生成代码 by velocity
 * @param map		变量
 * @param destPath	目的地址
 * @param destFile	目的文件名
 * @param tmpPath	模版地址
 * @param tmpFile	模版文件名
 * @return
 */
public static boolean generateCodeByVelocity(Map<String, Object> map, String destPath, String destFile, String tmpPath, String tmpFile){
	try {
		// 1.初始化
		Properties properties = new Properties();
		properties.put("file.resource.loader.path", tmpPath);  
		properties.put("input.encoding", "UTF-8");
		properties.put("output.encoding", "UTF-8");
		Velocity.init(properties);
		VelocityContext context = new VelocityContext(map);
			
		// 2.生成代码
		FileUtil.mkdir(destPath);
		BufferedWriter sw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(destPath, destFile)), "UTF-8"));
		Velocity.getTemplate(tmpFile).merge(context, sw);
		sw.flush();
		sw.close();
		
		return true;
	} catch (Exception e) {
		e.printStackTrace();
		return false;
	}
}
 

private MailerResult sendEmail(final UserRequest ureq, Identity identity, TemporaryKey tk) {
    final String ip = ureq.getHttpReq().getRemoteAddr();
    final String today = DateFormat.getDateInstance(DateFormat.LONG, ureq.getLocale()).format(new Date());
    // mailer configuration
    final String serverpath = Settings.getServerContextPathURI();
    final String servername = ureq.getHttpReq().getServerName();
    if (log.isDebugEnabled()) {
        log.debug("this servername is " + servername + " and serverpath is " + serverpath, null);
    }
    final Translator userTrans = PackageUtil.createPackageTranslator(PwChangeController.class, ureq.getLocale());
    String body = userTrans.translate("pwchange.intro", new String[] { identity.getName() })
            + userTrans.translate("pwchange.body", new String[] { serverpath, tk.getRegistrationKey(), I18nManager.getInstance().getLocaleKey(ureq.getLocale()) })
            + SEPARATOR + userTrans.translate("reg.wherefrom", new String[] { serverpath, today, ip });
    String subject = userTrans.translate("pwchange.subject");
    final MailTemplate mailTempl = new MailTemplate(subject, body, MailTemplateHelper.getMailFooter(ureq.getIdentity(), null), null) {
        @Override
        public void putVariablesInMailContext(final VelocityContext context, final OLATPrincipal recipient) {
            // nothing to do
        }
    };

    final MailerResult result = MailerWithTemplate.getInstance().sendMail(identity, null, null, mailTempl, null);
    return result;
}
 

/**
 * Test for the mail template and the context variable methods
 */
@Test
public void testMailAttachmentsInvalid() {
    String subject = "Subject: Hello $firstname with attachment";
    String body = "Body: \n\n Hey $login, here's a file for you: ";

    // some attachemnts - but no file
    File[] attachments = new File[1];

    MailTemplate template = new MailTemplate(subject, body, null, attachments) {
        @Override
        public void putVariablesInMailContext(VelocityContext context, OLATPrincipal principal) {
            // Put user variables
            context.put("firstname", principal.getAttributes().getFirstName());
            context.put("login", principal.getName());
        }
    };

    // some recipients data
    List<OLATPrincipal> recipients = new ArrayList<OLATPrincipal>();
    recipients.add(id1);

    MailerResult result = new MailerResult();
    result = MailerWithTemplate.getInstance().sendMailAsSeparateMails(recipients, null, null, template, id2);
    assertEquals(MailerResult.ATTACHMENT_INVALID, result.getReturnCode());
}
 

public void testLogResult()
    throws Exception
{
    VelocityContext context = new VelocityContext();
    Template template = Velocity.getTemplate("macros.vm");

    // try to get only messages during merge
    logger.startCapture();
    template.merge(context, new StringWriter());
    logger.stopCapture();

    String resultLog = logger.getLog();
    if ( !isMatch(resultLog, COMPARE_DIR, "velocity.log", "cmp"))
    {
        String compare = getFileContents(COMPARE_DIR, "velocity.log", CMP_FILE_EXT);

        String msg = "Log output was incorrect\n"+
            "-----Result-----\n"+ resultLog +
            "----Expected----\n"+ compare +
            "----------------";

        fail(msg);
    }
}
 

private static List<String> generateHtmlChunks(List<ReportItem> reportItemList) {
  List<String> htmlChunks = new ArrayList<>();

  VelocityEngine velocityEngine = new VelocityEngine();
  Properties p = new Properties();
  p.setProperty("resource.loader", "class");
  p.setProperty("class.resource.loader.class", "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
  velocityEngine.init(p);
  Template template = velocityEngine.getTemplate("template/report_template.html");

  int maxItemsInReport = CliHelper.getMaxItemsInReport();
  List<List<ReportItem>> reportItemsChunks = Lists.partition(reportItemList, maxItemsInReport);

  for (List<ReportItem> reportItemsChunk : reportItemsChunks ) {
    VelocityContext velocityContext = new VelocityContext();
    velocityContext.put("jarPath", CliHelper.getPathToAnalyze());
    velocityContext.put("ruleName", reportItemsChunk.get(0).getRuleName());
    velocityContext.put("reportItems", reportItemsChunk);

    StringWriter stringWriter = new StringWriter();
    template.merge(velocityContext, stringWriter);
    htmlChunks.add(stringWriter.toString());
  }
  return htmlChunks;
}
 

public void writeDescriptorGenerate(VelocityContext context, Template temp) throws IOException {
    StringWriter wr = new StringWriter();
    temp.merge(context, wr);
    File descriptorFile = new File(vpc.getDestinationFolder()
            + "/src/main/resources/"
            + "descriptor.xml");
    FileUtils.writeStringToFile(descriptorFile, wr.toString());
}
 

/**
 * 跳转到添加页面
 * @return
 */
@RequestMapping(value = "/toAdd",method ={RequestMethod.GET, RequestMethod.POST})
public void toAddDialog(HttpServletRequest request,HttpServletResponse response,ModelMap model)throws Exception{
	 VelocityContext velocityContext = new VelocityContext();
	 String jwid = request.getSession().getAttribute("jwid").toString();
	 List<WeixinTmessage> tmessages = weixinTmessageService.queryByJwid(jwid);
	 velocityContext.put("tmessages", tmessages);
	 List<WeixinTag> weixinTags = weixinTagService.getAllTags(jwid);
	 velocityContext.put("weixinTags", weixinTags);
	 String viewName = "tmessage/back/weixinTmessgaeTask-add.vm";
	 ViewVelocity.view(request,response,viewName,velocityContext);
}
 

/**
 * 生成代码预览
 * @param tableName
 * @param templates
 * @return
 */
@Override
public Map<String, String> previewCode(String tableName, List<String> templates){
    Map<String, String> dataMap = new LinkedHashMap<>();
    // 查询表信息
    TableInfo table = this.selectTableByName(tableName);
    // 查询列信息
    List<ColumnInfo> columns = this.selectTableColumnsByName(tableName);
    if (Lang.isNotEmpty(table) && Lang.isNotEmpty(columns)) {
        // 生成代码

        // 表名转换成Java属性名
        String className = GenUtils.tableToJava(table.getTableName());
        table.setClassName(className);
        table.setClassname(StringUtils.uncapitalize(className));
        // 列信息
        table.setColumns(GenUtils.transColums(columns));
        // 设置主键
        table.setPrimaryKey(table.getColumnsLast());

        VelocityInitializer.initVelocity();
        String packageName = GenConfig.getPackageName();
        String moduleName = GenUtils.getModuleName(packageName);
        VelocityContext context = GenUtils.getVelocityContext(table);
        for (String template : templates) {
            // 渲染模板
            StringWriter sw = new StringWriter();
            Template tpl = Velocity.getTemplate(template, Globals.UTF8);
            tpl.merge(context, sw);
            dataMap.put(template, sw.toString());
        }
        return dataMap;
    }
    return null;
}
 

public static String processTemplate(String templateName, VelocityContext vContext) {
	Template template = getVelocityEngine().getTemplate(templateName, "UTF-8");

	StringWriter writer = new StringWriter(128);
	template.merge(vContext, writer);
	writer.flush();
	try {
		writer.close();
	} catch (IOException e) {
		e.printStackTrace();
	}
	
	return writer.getBuffer().toString();
}
 

public static String mergeTemplate(Properties attributes, String content, boolean useSystemLineSeparators) throws IOException {
  VelocityContext context = new VelocityContext();
  Enumeration<?> names = attributes.propertyNames();
  while (names.hasMoreElements()) {
    String name = (String)names.nextElement();
    context.put(name, attributes.getProperty(name));
  }
  return mergeTemplate(content, context, useSystemLineSeparators);
}
 

/**
 * 跳转到添加页面
 * @return
 */
@RequestMapping(value = "/toAdd",method ={RequestMethod.GET, RequestMethod.POST})
public void toAddDialog(HttpServletRequest request,HttpServletResponse response,ModelMap model)throws Exception{
	 VelocityContext velocityContext = new VelocityContext();
	 String viewName = "system/back/jwSystemRegister-add.vm";
	 ViewVelocity.view(request,response,viewName,velocityContext);
}
 

/**
 * 跳转到添加页面
 * @return
 */
@RequestMapping(value = "/toAdd",method ={RequestMethod.GET, RequestMethod.POST})
public void toAddDialog(HttpServletRequest request,HttpServletResponse response,ModelMap model)throws Exception{
	 VelocityContext velocityContext = new VelocityContext();
	 String viewName = "goldeneggs/back/wxActGoldeneggsRecord-add.vm";
	 ViewVelocity.view(request,response,viewName,velocityContext);
}
 

private void writeGeneralClass(
    String templateName,
    String className,
    String packageName,
    List<VisitableClass> visitableClasses) {

  boolean success = false;
  try {
    VelocityContext velocityContext =
        createVelocityContextForVisitor(packageName, visitableClasses);
    StringWriter writer = new StringWriter();

    success =
        velocityEngine.mergeTemplate(
            templateName, StandardCharsets.UTF_8.name(), velocityContext, writer);
    writeString(Joiner.on('.').join(packageName, className), writer.toString());
  } catch (Throwable e) {
    StringWriter stringWriter = new StringWriter();
    e.printStackTrace(new PrintWriter(stringWriter));
    reportError("Could not generate visitor class" + e + stringWriter.toString());
    success = false;
  } finally {
    if (!success) {
      reportError("Could not generate visitor class");
    }
  }
}
 

/**
 * 跳转到添加页面
 * @return
 */
@RequestMapping(value = "/toAdd",method ={RequestMethod.GET, RequestMethod.POST})
public void toAddDialog(HttpServletRequest request,HttpServletResponse response,ModelMap model)throws Exception{
	 VelocityContext velocityContext = new VelocityContext();
	 String viewName = "qrcode/back/weixinQrcodeScanRecord-add.vm";
	 ViewVelocity.view(request,response,viewName,velocityContext);
}
 

@Override
public String render(Content content, long modelId, String langCode, RequestContext reqCtx) {
	String renderedEntity = null;
	List<TextAttributeCharReplaceInfo> conversions = null;
	try {
		conversions = this.convertSpecialCharacters(content, langCode);
		String contentModel = this.getModelShape(modelId);
		Context velocityContext = new VelocityContext();
		ContentWrapper contentWrapper = (ContentWrapper) this.getEntityWrapper(content);
		contentWrapper.setRenderingLang(langCode);
		contentWrapper.setReqCtx(reqCtx);
		velocityContext.put(this.getEntityWrapperContextName(), contentWrapper);
		I18nManagerWrapper i18nWrapper = new I18nManagerWrapper(langCode, this.getI18nManager());
		velocityContext.put("i18n", i18nWrapper);
		SystemInfoWrapper systemInfoWrapper = new SystemInfoWrapper(reqCtx);
		velocityContext.put("info", systemInfoWrapper);
		StringWriter stringWriter = new StringWriter();
		boolean isEvaluated = Velocity.evaluate(velocityContext, stringWriter, "render", contentModel);
		if (!isEvaluated) {
			throw new ApsSystemException("Error rendering content");
		}
		stringWriter.flush();
		renderedEntity = stringWriter.toString();
	} catch (Throwable t) {
		_logger.error("Error rendering content", t);
		//ApsSystemUtils.logThrowable(t, this, "render", "Error rendering content");
		renderedEntity = "";
	} finally {
		if (null != conversions) {
			this.replaceSpecialCharacters(conversions);
		}
	}
	return renderedEntity;
}
 

/**
 * 跳转到添加页面
 * @return
 */
@RequestMapping(value = "/toAdd",method ={RequestMethod.GET, RequestMethod.POST})
public void toAddDialog(HttpServletRequest request,HttpServletResponse response,ModelMap model)throws Exception{
	 VelocityContext velocityContext = new VelocityContext();
	 String viewName = "system/back/jwSystemProject-add.vm";
	 ViewVelocity.view(request,response,viewName,velocityContext);
}
 

/**
 * Test reporting of invalid syntax
 * @throws Exception
 */
public void testReportNullInvalidReferences() throws Exception
{
    VelocityEngine ve = new VelocityEngine();
    ve.setProperty("event_handler.invalid_references.null","true");
    ReportInvalidReferences reporter = new ReportInvalidReferences();
    ve.init();

    VelocityContext context = new VelocityContext();
    EventCartridge ec = new EventCartridge();
    ec.addEventHandler(reporter);
    ec.attachToContext(context);

    context.put("a1","test");
    context.put("b1","test");
    context.put("n1", null);
    Writer writer = new StringWriter();

    ve.evaluate(context,writer,"test","$a1 $c1 $a1.length() $a1.foobar() $!c1 $n1 $!n1 #if($c1) nop #end");

    List errors = reporter.getInvalidReferences();
    assertEquals(3,errors.size());
    assertEquals("$c1",((InvalidReferenceInfo) errors.get(0)).getInvalidReference());
    assertEquals("$a1.foobar()",((InvalidReferenceInfo) errors.get(1)).getInvalidReference());
    assertEquals("$n1",((InvalidReferenceInfo) errors.get(2)).getInvalidReference());

    log("Caught invalid references (local configuration).");
}
 

/**
 * Sent notification mail for signalling that course creation was successful.
 * 
 * @param ureq
 *            user request
 * @param config
 *            course configuration object
 * @return mailer result object
 */
public static final MailerResult sentNotificationMail(final UserRequest ureq, final CourseCreationConfiguration config) {
    final Translator translator = PackageUtil.createPackageTranslator(CourseCreationMailHelper.class, ureq.getLocale());
    log.info("Course creation with wizard finished. [User: " + ureq.getIdentity().getName() + "] [Course name: " + config.getCourseTitle() + "]");
    final String subject = translator.translate("mail.subject", new String[] { config.getCourseTitle() });
    String body = translator.translate("mail.body.0", new String[] { config.getCourseTitle() });
    body += translator.translate("mail.body.1");
    body += translator.translate("mail.body.2", new String[] { config.getExtLink() });
    body += translator.translate("mail.body.3");
    body += translator.translate("mail.body.4");

    int counter = 1;
    if (config.isCreateSinglePage()) {
        body += translator.translate("mail.body.4.2", new String[] { Integer.toString(++counter) });
    }
    if (config.isCreateEnrollment()) {
        body += translator.translate("mail.body.4.3", new String[] { Integer.toString(++counter) });
    }
    if (config.isCreateDownloadFolder()) {
        body += translator.translate("mail.body.4.4", new String[] { Integer.toString(++counter) });
    }
    if (config.isCreateForum()) {
        body += translator.translate("mail.body.4.5", new String[] { Integer.toString(++counter) });
    }
    if (config.isCreateContactForm()) {
        body += translator.translate("mail.body.4.6", new String[] { Integer.toString(++counter) });
    }
    body += translator.translate("mail.body.5");
    body += translator.translate("mail.body.6");
    body += translator.translate("mail.body.greetings");

    final MailTemplate template = new MailTemplate(subject, body, MailTemplateHelper.getMailFooter(ureq.getIdentity(), null), null) {
        @Override
        @SuppressWarnings("unused")
        public void putVariablesInMailContext(final VelocityContext context, final OLATPrincipal identity) {
            // nothing to do
        }
    };
    return MailerWithTemplate.getInstance().sendMail(ureq.getIdentity(), null, null, template, null);
}
 

private void addPropertiesToContext( Map<?, ?> properties, VelocityContext context )
{
    if ( properties != null )
    {
        for ( Object o : properties.keySet() )
        {
            String nextKey = (String) o;
            Object nextValue = properties.get( nextKey );
            context.put( nextKey, nextValue.toString() );
        }
    }
}
 

/**
 * 跳转到编辑页面
 * @return
 */
@RequestMapping(value="toEdit",method = RequestMethod.GET)
public void toEdit(@RequestParam(required = true, value = "id" ) String id,HttpServletResponse response,HttpServletRequest request) throws Exception{
		 VelocityContext velocityContext = new VelocityContext();
		 CmsArticle cmsArticle = cmsArticleService.queryById(id);
		 velocityContext.put("cmsArticle",cmsArticle);
		 velocityContext.put("mainId", request.getParameter("mainId"));
		 String viewName = "cms/back/cmsArticle-edit.vm";
		 ViewVelocity.view(request,response,viewName,velocityContext);
}
 

/**
 * 详情
 * 
 * @return
 */
@RequestMapping(params = "toDetail", method = RequestMethod.GET)
public void alipayMessageLogDetail(@RequestParam(required = true, value = "id") String id,
		HttpServletResponse response, HttpServletRequest request) throws Exception {
	VelocityContext velocityContext = new VelocityContext();
	// update-start--Author:chenchunpeng  Date:20160715 for：修改群发记录详情页面的页面名
	String viewName = "alipay/base/alipayMessagelog-detail.vm";
	AlipayMessageLog alipayMessageLog = alipayMessagelogDao.get(id);
	// update-end--Author:chenchunpeng  Date:20160715 for：修改群发记录详情页面的页面名
	velocityContext.put("alipayMessagelog", alipayMessageLog);
	ViewVelocity.view(request, response, viewName, velocityContext);
}
 

@Override
protected VelocityContext fillInContext(AlertEntity alert, VelocityContext context) {
    context.put(alert.getAlertType().name(), alert.getAlertType());
    context.put("redisAlert", alert);
    context.put("title", generateTitle(alert));
    return context;
}
 

/**
 * 跳转到编辑页面
 * @return
 */
@RequestMapping(params="toEdit",method = RequestMethod.GET)
public void toEdit(@RequestParam(required = true, value = "id" ) String id,HttpServletResponse response,HttpServletRequest request) throws Exception{
		 VelocityContext velocityContext = new VelocityContext();
		 AlipayGzuserinfo alipayGzuserinfo = alipayGzuserinfoDao.get(id);
		 velocityContext.put("alipayGzuserinfo",alipayGzuserinfo);
		 String viewName = "alipay/base/alipayGzuserinfo-edit.vm";
		 ViewVelocity.view(request,response,viewName,velocityContext);
}