[Attribute] adapter [Required] No [Description] 
A class that is used to adapt the defined class to another interface/class. The adapter class must implement the interface "org.apache.tools.ant.TypeAdapter". The adapter class will be used to wrap the defined class unless the defined class implements/extends the class defined by the attribute "adaptto". If "adaptto" is not set, the defined class will always be wrapped. since Ant 1.6