[jira] [Created] (FELIX-5401) Can't override default configuration type map value using an empty map

["Pierre De Rop (JIRA)" <ji...@apache.org>]

Pierre De Rop created FELIX-5401:
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             Summary: Can't override default configuration type map value using an empty map
                 Key: FELIX-5401
                 URL: https://issues.apache.org/jira/browse/FELIX-5401
             Project: Felix
          Issue Type: Bug
          Components: Dependency Manager
    Affects Versions: org.apache.felix.dependencymanager-r8
            Reporter: Pierre De Rop
            Assignee: Pierre De Rop
            Priority: Minor
             Fix For: org.apache.felix.dependencymanager-r9


Assume you are using the following configuration type:

{code}
    public interface MyConfig {
        public default SortedMap<String, String> getMap() { 
        	SortedMap<String, String> defaultMap = new TreeMap<>();
        	defaultMap.put("key1", "default1");
        	defaultMap.put("key2", "default2");
        	return defaultMap;
        }        
    }
{code}

So, you can then declare the following values in the actual configuration dictionary for the "map" key:

{code}
map.key1=value1
map.key2=value2
...

or

map={key1.value1, key2.value2}
{code}

But assuming that you now want to register in config admin a configuration dictionary with an empty map for the "map" key: it is not currently possible, because if you don't declare any values for the "map" key, then the default value of the configuration type will be returned (see FELIX-5399).

And if you declare the following value for the "map" key:

map={}

then it does not work too because the "toMap" method in the Configurable.java class does not check empty "{}" declaration.




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