Moved BadRequestException to API

Changed Bad Request response to JSON:
{
    "status": 400,
    "error": "message",
    "target": "/requested/target"
}

Plan/api/src/main/java/com/djrapitops/plan/delivery/web/resolver/exception/BadRequestException.java

@@ -14,14 +14,17 @@
  *  You should have received a copy of the GNU Lesser General Public License
  *  along with Plan. If not, see <https://www.gnu.org/licenses/>.
  */
-package com.djrapitops.plan.exceptions.connection;
+package com.djrapitops.plan.delivery.web.resolver.exception;
 
 /**
- * Thrown when connection is returned 401 Bad Request.
+ * Throw this exception when a Resolver gets invalid query for JSON.
+ * <p>
+ * Plan will construct bad request error json automatically.
+ * Note that you might need to handle the error page, which is json: {@code {"status": 400, "error": "message"}}
  *
  * @author Rsl1122
  */
-public class BadRequestException extends WebException {
+public class BadRequestException extends IllegalArgumentException {
 
     public BadRequestException(String message) {
         super(message);

Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/ResponseFactory.java

@@ -33,6 +33,7 @@ import com.djrapitops.plan.storage.database.DBSystem;
 import com.djrapitops.plan.storage.database.Database;
 import com.djrapitops.plan.storage.database.queries.containers.ContainerFetchQueries;
 import com.djrapitops.plan.storage.file.PlanFiles;
+import com.djrapitops.plan.utilities.java.Maps;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;
@@ -340,8 +341,12 @@ public class ResponseFactory {
 
     public Response badRequest(String errorMessage, String target) {
         return Response.builder()
-                .setMimeType(MimeType.HTML)
+                .setMimeType(MimeType.JSON)
-                .setContent("400 Bad Request: " + errorMessage + " (when requesting '" + target + "')")
+                .setJSONContent(Maps.builder(String.class, Object.class)
+                        .put("status", 400)
+                        .put("error", errorMessage)
+                        .put("requestedTarget", target)
+                        .build())
                 .setStatus(400)
                 .build();
     }

Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/ResponseResolver.java

@@ -21,12 +21,12 @@ import com.djrapitops.plan.delivery.web.ResolverSvc;
 import com.djrapitops.plan.delivery.web.resolver.NoAuthResolver;
 import com.djrapitops.plan.delivery.web.resolver.Resolver;
 import com.djrapitops.plan.delivery.web.resolver.Response;
+import com.djrapitops.plan.delivery.web.resolver.exception.BadRequestException;
 import com.djrapitops.plan.delivery.web.resolver.request.Request;
 import com.djrapitops.plan.delivery.webserver.auth.Authentication;
 import com.djrapitops.plan.delivery.webserver.resolver.*;
 import com.djrapitops.plan.delivery.webserver.resolver.json.RootJSONResolver;
 import com.djrapitops.plan.exceptions.WebUserAuthException;
-import com.djrapitops.plan.exceptions.connection.BadRequestException;
 import com.djrapitops.plan.exceptions.connection.ForbiddenException;
 import com.djrapitops.plan.exceptions.connection.NotFoundException;
 import com.djrapitops.plugin.logging.L;

Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/resolver/json/GraphsJSONResolver.java

@@ -19,11 +19,11 @@ package com.djrapitops.plan.delivery.webserver.resolver.json;
 import com.djrapitops.plan.delivery.rendering.json.graphs.GraphJSONCreator;
 import com.djrapitops.plan.delivery.web.resolver.Resolver;
 import com.djrapitops.plan.delivery.web.resolver.Response;
+import com.djrapitops.plan.delivery.web.resolver.exception.BadRequestException;
 import com.djrapitops.plan.delivery.web.resolver.request.Request;
 import com.djrapitops.plan.delivery.web.resolver.request.WebUser;
 import com.djrapitops.plan.delivery.webserver.cache.DataID;
 import com.djrapitops.plan.delivery.webserver.cache.JSONCache;
-import com.djrapitops.plan.exceptions.connection.BadRequestException;
 import com.djrapitops.plan.identification.Identifiers;
 
 import javax.inject.Inject;

Plan/common/src/main/java/com/djrapitops/plan/identification/Identifiers.java

@@ -16,8 +16,8 @@
  */
 package com.djrapitops.plan.identification;
 
+import com.djrapitops.plan.delivery.web.resolver.exception.BadRequestException;
 import com.djrapitops.plan.delivery.web.resolver.request.Request;
-import com.djrapitops.plan.exceptions.connection.BadRequestException;
 import com.djrapitops.plan.storage.database.DBSystem;
 import com.djrapitops.plan.storage.database.queries.objects.ServerQueries;
 import com.djrapitops.plan.storage.database.queries.objects.UserIdentifierQueries;

Plan/common/src/test/java/com/djrapitops/plan/delivery/webserver/HttpsServerTest.java

@@ -16,7 +16,7 @@
  */
 package com.djrapitops.plan.delivery.webserver;
 
-import com.djrapitops.plan.exceptions.connection.BadRequestException;
+import com.djrapitops.plan.delivery.web.resolver.exception.BadRequestException;
 import com.djrapitops.plan.exceptions.connection.ForbiddenException;
 import com.djrapitops.plan.exceptions.connection.NotFoundException;
 import com.djrapitops.plan.exceptions.connection.WebException;