SimpleCommandLinePropertySource constructor
A CommandLinePropertySource that adapts CommandLineArgs
into a resolvable
PropertySource.
This class wraps a parsed list of command-line arguments and exposes them as key-value properties, allowing flexible configuration using flags like:
--key=value
--key value
- multiple
--key=value
for lists
Behavior
- If a key is not present, the property will be
null
. - If present without value (
--debug
), returns an empty list. - If present with one value, returns that value as a string.
- If present multiple times, returns all values as a comma-separated string.
Example usage:
final args = ['--env=prod', '--debug', '--features=a', '--features=b'];
final propertySource = SimpleCommandLinePropertySource(args);
print(propertySource.getProperty('env')); // "prod"
print(propertySource.getProperty('debug')); // ""
print(propertySource.getProperty('features')); // "a,b"
print(propertySource.containsProperty('debug')); // true
This class is often registered within the MutablePropertySources collection and resolved through a PropertyResolver during app bootstrap.
Implementation
SimpleCommandLinePropertySource(List<String> args) : super(SimpleCommandLineArgsParser().parse(args));