Mapping java.util.Map to XML using JAXB - provider.xml

provider.xml

<provider>
  <name>Provider Name</name>
  <properties>
    <property>
      <name>address</name>
      <value>194.132.9.45</value>
    </property>
    <property>
      <name>username</name>
      <value>testuser</username>
    </property>
    <property>
      <name>secret</name>
      <value>433395868950ifkjjrif9985848rufj</value>
    </property>
  </properties>
</provider>