Beispiel #1
0
  /**
   * Return an email hyperlink using the given email address. If the given value is not a valid
   * email string it will be rendered as is and not as a hyperlink.
   *
   * <p>If the given value is blank then the {@link #getEmptyString()} value will rendered instead.
   *
   * <p>The format of the returned email string will be:
   *
   * <pre class="codeHtml">
   * &lt;a href='mailto:email' attribute&gt;email&lt;/a&gt; </pre>
   *
   * @param email the email address to hyperlink
   * @param attribute the anchor tag attribute to render
   * @return a hyperlinked email
   */
  public String email(String email, String attribute) {
    if (StringUtils.isNotBlank(email)) {
      if (email.indexOf('@') != -1 && !email.startsWith("@") && !email.endsWith("@")) {

        HtmlStringBuffer buffer = new HtmlStringBuffer(128);
        buffer.elementStart("a");
        buffer.appendAttribute("href", "mailto:" + email);
        if (StringUtils.isNotBlank(attribute)) {
          buffer.append(" ");
          buffer.append(attribute);
        }
        buffer.closeTag();
        buffer.appendEscaped(email);
        buffer.elementEnd("a");

        return buffer.toString();

      } else {
        return email;
      }

    } else {
      return getEmptyString();
    }
  }
Beispiel #2
0
  /**
   * Return an hyperlink using the given URL or email address value. If the given value is not a
   * valid email string or URL it will note be hyperlinked and will be rendered as is.
   *
   * <p>If the given value is blank then the {@link #getEmptyString()} value will rendered instead.
   *
   * @param value the URL or email address to hyperlink
   * @param attribute the anchor tag attribute to render
   * @return a hyperlinked URL or email address
   */
  public String link(String value, String attribute) {
    if (StringUtils.isNotBlank(value)) {
      HtmlStringBuffer buffer = new HtmlStringBuffer(128);

      // If email
      if (value.indexOf('@') != -1 && !value.startsWith("@") && !value.endsWith("@")) {

        buffer.elementStart("a");
        buffer.appendAttribute("href", "mailto:" + value);
        if (StringUtils.isNotBlank(attribute)) {
          buffer.append(" ");
          buffer.append(attribute);
        }
        buffer.closeTag();
        buffer.appendEscaped(value);
        buffer.elementEnd("a");

      } else if (value.startsWith("http")) {
        int index = value.indexOf("//");
        if (index != -1) {
          index += 2;
        } else {
          index = 0;
        }
        buffer.elementStart("a");
        buffer.appendAttribute("href", value);
        if (StringUtils.isNotBlank(attribute)) {
          buffer.append(" ");
          buffer.append(attribute);
        }
        buffer.closeTag();
        buffer.appendEscaped(value.substring(index));
        buffer.elementEnd("a");

      } else if (value.startsWith("www")) {
        buffer.elementStart("a");
        buffer.appendAttribute("href", "http://" + value);
        if (StringUtils.isNotBlank(attribute)) {
          buffer.append(" ");
          buffer.append(attribute);
        }
        buffer.closeTag();
        buffer.appendEscaped(value);
        buffer.elementEnd("a");

      } else {
        buffer.append(value);
      }

      return buffer.toString();
    }

    return getEmptyString();
  }