Add echo endpoint with csv to html table conversion

webapp/src/main/java/se/metasolutions/recruit/RestApplication.java

@@ -2,7 +2,9 @@ package se.metasolutions.recruit;
 
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.core.config.Configurator;
+import org.restlet.routing.TemplateRoute;
 import se.metasolutions.recruit.resources.DefaultResource;
+import se.metasolutions.recruit.resources.EchoResource;
 import se.metasolutions.recruit.resources.StatusResource;
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -59,6 +61,7 @@ public class RestApplication extends Application {
 		// global scope
 		router.attach("/status", StatusResource.class);
 		router.attach("/", DefaultResource.class);
+		router.attach("/echo", EchoResource.class);
 
 		return router;
 	}

webapp/src/main/java/se/metasolutions/recruit/resources/EchoResource.java

@@ -0,0 +1,75 @@
+package se.metasolutions.recruit.resources;
+
+import org.restlet.data.MediaType;
+import org.restlet.representation.BufferingRepresentation;
+import org.restlet.representation.Representation;
+import org.restlet.representation.StringRepresentation;
+import org.restlet.resource.ResourceException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.restlet.resource.Get;
+import org.restlet.resource.Post;
+
+import java.io.IOException;
+
+public class EchoResource extends BaseResource {
+    private final static Logger log = LoggerFactory.getLogger(EchoResource.class);
+
+    @Get
+    public Representation respond() {
+        return new StringRepresentation("Please POST some content to echo.");
+    }
+
+    @Post()
+    public Representation echo(Representation entity) throws IOException {
+        return getEchoResponse(entity);
+    }
+
+    @Post("csv")
+    public Representation tablify(Representation entity) throws IOException {
+        Representation response;
+        if (!getRequest().isEntityAvailable()) {
+            response = new StringRepresentation("No POST data available");
+        } else {
+            String acceptedMediaTypes = getClientInfo().getAcceptedMediaTypes().toString();
+            if (acceptedMediaTypes.contains("text/html")) {
+                StringBuilder htmlTable = new StringBuilder("<table>\n");
+                try {
+                    Representation data = new BufferingRepresentation(entity);
+                    String csv = data.getText();
+                    String[] rows = csv.split("\\r?\\n");
+                    for (String row : rows) {
+                        htmlTable.append("<tr>\n");
+                        String[] cells = row.split(",", -1);
+                        for (String cell : cells) {
+                            htmlTable.append("<td>").append(cell).append("</td>\n");
+                        }
+                        htmlTable.append("</tr>\n");
+                    }
+                } catch (IOException e) {
+                    htmlTable.append("<tr><td>Error while reading CSV data</td></tr>");
+                } finally {
+                    htmlTable.append("</table>\n");
+                }
+                response = new StringRepresentation(htmlTable);
+                response.setMediaType(MediaType.valueOf("text/html"));
+            } else {
+                response = getEchoResponse(entity);
+            }
+        }
+        return response;
+    }
+
+    Representation getEchoResponse(Representation entity) throws IOException {
+        String responseText = "";
+        try {
+            BufferingRepresentation data = new BufferingRepresentation(entity);
+            responseText = data.getText();
+        } catch (IOException e) {
+            responseText = "Error while reading text data";
+        } finally {
+            return new StringRepresentation(responseText);
+        }
+    }
+
+}