How to hide html tag in Email template? | Community
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tahir1601
Level 3
August 11, 2019
Solved

How to hide html tag in Email template?

  • August 11, 2019
  • 5 replies
  • 5195 views

Hi,

I have an email template in etc/notifications folder which is of type html. I am trying to hide an element based on variable i fetch from email service params(of email service).

Below is my template code

From: ${senderEmailAddress}

Subject:${subject}

<hr>

<b>Vous êtes ?</b> ${role}

<b>Vous êtes ?</b> ${subrole}

<b>Choisissez votre profession</b> ${profession}

<b>Nom de l'entreprise</b> ${enterpriseName}

<b>Adresse</b> ${address}

<b>Nom</b> ${Name}

<b>Prénom</b> ${firstName}

<b>Téléphone</b> ${telephone}

<b>Email</b> ${email}

<b>Code postal</b> ${postalCode}

<b>Ville</b> ${ville}

<b>Pays</b> ${country}

<b>Objet de la demande</b> ${objectOfDemand}

<b>Type de produits</b> ${typeOfProducts}

<b>Veuillez saisir la référence du ou des produits concernés</b> ${reference}

<b>Saisissez votre demande</b> ${info}

<b>Produit(s) sous garantie</b> ${warranty}

<b>En cochant cette case, vous acceptez de recevoir des informations commerciales de la part de Jacob Delafon pour des produits ou des services analogues à ceux que vous avez consultés.</b> ${subscription}

<hr>

Now I want to hide '<b>' tag if ${something} is null or empty. Please suggest Arun Patidar​ antoniom54959291​ Jörg Hoh​ smacdonald2008​ kautuksahni​

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    Best answer by Himanshu_Singhal
      private String getSubstitutedString(Map<String, String> valueMap, String beforeParsing) {
        VelocityEngine ve = new VelocityEngine();
        ve.init();
        VelocityContext context = new VelocityContext();
        StringWriter writer = new StringWriter();
        for (Map.Entry<String, String> entry : valueMap.entrySet()) {
          String value = xssApi.filterHTML(entry.getValue());
          value = Jsoup.parse(value).text();
          context.put(entry.getKey(), value);
        }
        ve.evaluate(context, writer, "VelocityParser", beforeParsing);
        return writer.toString();
        }

    Here, the argument beforeParsing is the velocity syntax template String that contains condition based variables and its values will be replaced by actual values which are in Map.

    5 replies

    Himanshu_Singhal
    Community Advisor
    Himanshu_SinghalCommunity Advisor
    Community Advisor
    August 11, 2019

    You can use the Apache Velocity templating engine to add condition based Text in Email.

    We had the same requirement once and utilised Apache Velocity Templating engine and it's quite nice.

    https://www.baeldung.com/apache-velocity

      arunpatidar
      Community Advisor
      arunpatidarCommunity Advisor
      Community Advisor
      August 12, 2019

      Hi,

      I think its not possible with OOTB AEM templates, because you can't run javascript in mail(not supported in many mail client).

      But you can set both Label and value in key and return "" if something is null.

      Arun Patidar
        Gaurav-Behl
        Gaurav-Behl
        Level 10
        August 12, 2019

        As mentioned by Himanshu/Arun, this is not supported OOB but you can still use any template engine (client/server side) like  Velocity/Handlebars/Mustache etc. and get the results. You may also try for a PostProcessor if your use case requires it.

          T
          tahir1601Author
          Level 3
          August 13, 2019

          can you provide sample code of what you did

          Himanshu_Singhal
          Community Advisor
          Himanshu_SinghalCommunity AdvisorAccepted solution
          Community Advisor
          August 13, 2019
            private String getSubstitutedString(Map<String, String> valueMap, String beforeParsing) {
              VelocityEngine ve = new VelocityEngine();
              ve.init();
              VelocityContext context = new VelocityContext();
              StringWriter writer = new StringWriter();
              for (Map.Entry<String, String> entry : valueMap.entrySet()) {
                String value = xssApi.filterHTML(entry.getValue());
                value = Jsoup.parse(value).text();
                context.put(entry.getKey(), value);
              }
              ve.evaluate(context, writer, "VelocityParser", beforeParsing);
              return writer.toString();
              }

          Here, the argument beforeParsing is the velocity syntax template String that contains condition based variables and its values will be replaced by actual values which are in Map.

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