ExampleTreeConfig.java

    public interface DocServer {
        @ConfigProperty(name="serverport", defaultValue = "8080")
        int port();
        
        String host();
        
        @ConfigProperty(defaultValue = "/doc")
        String path();
    }

    /**
     * The single instance
     * my.document.mainServer.port=8080
     * my.document.mainServer.host=http://localhost
     * my.document.mainServer.path=/mydoc
     *
     * The list:
     * my.document.allServers.0.port=8080
     * my.document.allServers.0.host=http://localhost
     * my.document.allServers.0.path=/mydoc
     * my.document.allServers.1.port=8080
     * my.document.allServers.1.host=http://localhost
     * my.document.allServers.1.path=/mydoc
     * my.document.allServers.karl.port=8080
     * my.document.allServers.karl.host=http://localhost
     * my.document.allServers.karl.path=/mydoc
     *
     */
    @Test
    public void testSimpleTreeStructures() {
        DocServer docServer = config.getValue("my.document.mainServer", DocServer.class);
        DocServer[] docServers = config.getValue("my.document.allServers", DocServer[].class);
    }

    public interface Server {
        int port();
        String host();
        String path();
    }

    public interface ArchiveServer {
        Server server();
        String name();
        boolean isPublic();
    }

    @Test
    public void testNestedTreeStructures() {
        ArchiveServer archiveServer = config.getValue("my.document.nested.mainServer", ArchiveServer.class);
        ArchiveServer[] archiveServers = config.getValue("my.document.nested.allServers", ArchiveServer[].class);
    }