Add java evaluator

1 files changed, 49 insertions, 0 deletions

diff --git a/java/Main.java b/java/Main.java
new file mode 100644
index 0000000..76cb839
--- /dev/null
+++ b/java/Main.java
@@ -0,0 +1,49 @@
+package org.lambdanantes.lcgoji;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.http.client.fluent.Request;
+import org.apache.http.client.fluent.Response;
+import org.apache.http.entity.StringEntity;
+
+import static spark.Spark.*;
+
+@Slf4j
+public class Main {
+
+    public static final String TEAM_NAME = "LCGOJI";
+    public static final int SELF_PORT = 8888;
+    public static final String SELF_URL = "http://127.0.0.1:" + SELF_PORT;
+    public static final String TESTER_URL = "http://127.0.0.1:8080";
+
+    public static void main(String[] args) throws Exception {
+        port(SELF_PORT);
+
+        before((request, response) -> log.info("Requête entrante : " + request.requestMethod() + " " + request.pathInfo() + ", query params : " + request.queryString()));
+
+        // API pour l'évaluation de λ-term
+        // Le body est une S-expression sous sa forme textuelle
+        post("/eval", (request, response) -> {
+            String body = request.body();
+            log.info("Demande d'évaluation de l'expression : " + body);
+
+            // TODO Parser, contruire l'AST, l'évaluer
+            String result = body; // Renvoie la s-expression à l'identique pour le moment
+
+            log.info("Réponse envoyée : " + body);
+
+            return result.getBytes();
+        });
+
+        init();
+
+        // Enregistrement de notre API auprès du tester d'API
+        String jsonBody = "{\"url\":\"" + SELF_URL + "/eval\", \"name\": \"" + TEAM_NAME + "\"}";
+        Response response = Request.Post(TESTER_URL + "/register")
+                .addHeader("Content-type", "application/json")
+                .body(new StringEntity(jsonBody))
+                .execute();
+
+        log.info("Résultat de l'enregistrement : "+response.returnContent().toString());
+    }
+
+}
\ No newline at end of file