How to Add and Read Bundle / Service Configurations(String, Dropdown, Array/Multifield )

Adding Properties to the Bundle/ OSGI CQ Service
String / TextField
@Property(value = "GET")
static final String STRING_VAL = "string.textfield";

String Array / Multifield
@Property ( unbounded=PropertyUnbounded.ARRAY, value={"*"},label="Template paths",description="eg: /apps/devtools/templates/page-home" )
private static final String MUTIFIELD_EX = "multifield.test";

Boolean Field
@Property(boolValue={false}, label="Boolean values", description="Booealn test")
private static final String BOOLEN_TEST = "boolean_test";
Dropdown
@Property( options={
@PropertyOption(name="blue", value="color-blue"),
@PropertyOption(name="green", value="color-green"),
@PropertyOption(name="red", value="color-red"),
@PropertyOption(name="yellow", value="color-yellow"),
private static final String SELECTION_TEST = "dropdown.test";

Reading Properties of Bundle/ OSGI CQ Service
1) You to get the ConfigurationAdmin reference
@Reference
ConfigurationAdmin configAdmin;

2) Get Bundle Configuration
Configuration config = configAdmin.getConfiguration(this.getClass().getCanonicalName());

3) Get properties of conguration
Dictionary<?, ?> configProperties = config.getProperties();

4) Red Properties
Reading String/TextField
String texfiledValue = (String) configProperties.get( STRING_VAL );
Reading the Dropdown
String dropdownTest = (String) configProperties.get( SELECTION_TEST );
Reading Boolean
Boolean booealnTest = ( Boolean ) configProperties.get( BOOLEN_TEST );
Reading Array/Multifield
String[] multifieldVlaues = (String[]) configProperties.get( MUTIFIELD_EX );

for( String value : multifieldVlaues ){
out.println( value );
}