mastern2k3/HomeController.java

## HomeController.java

import java.util.stream.Stream;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;

@RestController
@RequestMapping(path = "")
public class HomeController {

    private static String template =
        "<html><body><pre>\n" +
        "Welcome\n" +
        "==================\n\n" +
        "%s" +
        "</pre></body></html>";

    @Autowired
    private ApplicationContext appContext;

    @GetMapping(path="", produces = "text/html")
    public String getEmployees() {

        Stream<String> names =
            appContext.getBean(RequestMappingHandlerMapping.class).getHandlerMethods().keySet().stream()
                .flatMap(m -> m.getPatternsCondition().getPatterns().stream())
                .filter(p -> !p.isEmpty() && !p.startsWith("/error"));

        return String.format(template, String.join("\n", (Iterable<String>)names::iterator));
    }
}

	import java.util.stream.Stream;

	import org.springframework.beans.factory.annotation.Autowired;
	import org.springframework.context.ApplicationContext;
	import org.springframework.web.bind.annotation.GetMapping;
	import org.springframework.web.bind.annotation.RequestMapping;
	import org.springframework.web.bind.annotation.RestController;
	import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;

	@RestController
	@RequestMapping(path = "")
	public class HomeController {

	private static String template =
	"<html><body><pre>\n" +
	"Welcome\n" +
	"==================\n\n" +
	"%s" +
	"</pre></body></html>";

	@Autowired
	private ApplicationContext appContext;

	@GetMapping(path="", produces = "text/html")
	public String getEmployees() {

	Stream<String> names =
	appContext.getBean(RequestMappingHandlerMapping.class).getHandlerMethods().keySet().stream()
	.flatMap(m -> m.getPatternsCondition().getPatterns().stream())
	.filter(p -> !p.isEmpty() && !p.startsWith("/error"));

	return String.format(template, String.join("\n", (Iterable<String>)names::iterator));
	}
	}