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<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
  version="2.1">

  <!-- Hibernate + H2 -->
  <persistence-unit name="standalonePu" transaction-type="RESOURCE_LOCAL">
    <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
    <class>com.acme.MyEntity</class>
    <properties>

seco

How to create an HTTPS certificate for localhost domains

This focuses on generating the certificates for loading local virtual hosts hosted on your computer, for development only.

Do not use self-signed certificates in production ! For online certificates, use Let's Encrypt instead (tutorial).

seco

if (header.contains("MSIE") || header.contains("Trident")) {
    fileName = URLEncoder.encode(fileName,"UTF-8").replaceAll("\\+", "%20");
    response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ";");
} else {
    fileName = new String(fileName.getBytes("UTF-8"), "ISO-8859-1");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
}

seco

File file = (File) model.get("downloadFile");
String fileName = (String) model.get("fileName");
 
String header = request.getHeader("User-Agent");

if (header.contains("MSIE") || header.contains("Trident")) {
    fileName = URLEncoder.encode(fileName,"UTF-8").replaceAll("\\+", "%20");
    response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ";");
} else {
    fileName = new String(fileName.getBytes("UTF-8"), "ISO-8859-1");