java-tutorials/play-framework/async-http/app/controllers/HomeController.java

39 lines
1.4 KiB
Java

package controllers;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.ImmutableMap;
import java.util.Collections;
import java.util.Map;
import play.mvc.Controller;
import play.mvc.Http;
import play.mvc.Result;
/**
* This controller contains an action to handle HTTP requests to the application's home page.
*/
public class HomeController extends Controller {
/**
* An action that renders an HTML page with a welcome message. The configuration in the
* <code>routes</code> file means that this method will be called when the application receives
* a
* <code>GET</code> request with a path of <code>/</code>.
*/
public Result index(Http.Request request) throws JsonProcessingException {
return ok(printStats(request));
}
private String printStats(Http.Request request) throws JsonProcessingException {
Map<String, String[]> stringMap = request.body()
.asFormUrlEncoded();
Map<String, Object> map = ImmutableMap.of(
"Result", "ok",
"GetParams", request.queryString(),
"PostParams", stringMap == null ? Collections.emptyMap() : stringMap,
"Headers", request.getHeaders().toMap()
);
return new ObjectMapper().writerWithDefaultPrettyPrinter().writeValueAsString(map);
}
}