private static Map merge()

in maven-3.0.x/src/main/java/org/sonatype/aether/util/artifact/DefaultArtifact.java [206:228]

• 21 lines of code
• 7 McCabe index (conditional complexity)

    private static Map<String, String> merge( Map<String, String> dominant, Map<String, String> recessive )
    {
        Map<String, String> properties;

        if ( ( dominant == null || dominant.isEmpty() ) && ( recessive == null || recessive.isEmpty() ) )
        {
            properties = Collections.emptyMap();
        }
        else
        {
            properties = new HashMap<String, String>();
            if ( recessive != null )
            {
                properties.putAll( recessive );
            }
            if ( dominant != null )
            {
                properties.putAll( dominant );
            }
        }

        return properties;
    }