A lightweight interface wrapping a property contained in some unspecified map. Generally it'll be the system properties but this is not a requirement.
Seescala.sys.SystemProperties for an example usage.
Attributes
- Companion
- object
- Source
- Prop.scala
- Graph
- Supertypes
- Known subtypes
- traitBooleanProp
Members list
Value members
Abstract methods
Removes the property from the underlying map.
Gets the current string value if any.
Gets the current string value if any. Will not return null: useisSet to test for existence.
Attributes
- Returns
the current string value if any, else the empty string
- Source
- Prop.scala
True if the key exists in the properties map.
True if the key exists in the properties map. Note that this is not sufficient for a Boolean property to be considered true.
Attributes
- Returns
whether the map contains the key
- Source
- Prop.scala
The full name of the property, e.g., "java.awt.headless".
Some(value) if the property is set, None otherwise.
Sets the property.
Sets the property.
Value parameters
- newValue
the new string value
Attributes
- Returns
the old value, or null if it was unset.
- Source
- Prop.scala
Sets the property with a value of the represented type.
If the key exists in the properties map, converts the value to typeT using valueFn.
If the key exists in the properties map, converts the value to typeT using valueFn. As yet no validation is performed: it will throw an exception on a failed conversion.
Attributes
- Returns
the converted value, or
zeroif not in the map- Source
- Prop.scala