Added specific excptions

drip-api/src/main/java/nl/uva/sne/drip/api/exception/NullKeyException.java

+/*
+ * Copyright 2017 S. Koulouzis, Wang Junchao, Huan Zhou, Yang Hu 
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package nl.uva.sne.drip.api.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+/**
+ *
+ * @author S. Koulouzis
+ */
+@ResponseStatus(value = HttpStatus.NOT_FOUND, reason = "Key can't be null")
+public class NullKeyException extends RuntimeException {
+
+    public NullKeyException(String string) {
+        super(string);
+    }
+
+    public NullKeyException() {
+        super();
+    }
+
+}

drip-api/src/main/java/nl/uva/sne/drip/api/exception/NullKeyIDException.java

+/*
+ * Copyright 2017 S. Koulouzis, Wang Junchao, Huan Zhou, Yang Hu 
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package nl.uva.sne.drip.api.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+/**
+ *
+ * @author S. Koulouzis
+ */
+@ResponseStatus(value = HttpStatus.NOT_FOUND, reason = "KeyId can't be null")
+public class NullKeyIDException extends RuntimeException {
+
+    public NullKeyIDException(String string) {
+        super(string);
+    }
+
+    public NullKeyIDException() {
+        super();
+    }
+
+}

drip-api/src/main/java/nl/uva/sne/drip/api/rest/CloudConfigurationController.java

@@ -33,6 +33,8 @@ import org.springframework.web.bind.annotation.RestController;
 import nl.uva.sne.drip.api.dao.CloudCredentialsDao;
 import nl.uva.sne.drip.api.exception.BadRequestException;
 import nl.uva.sne.drip.api.exception.NotFoundException;
+import nl.uva.sne.drip.api.exception.NullKeyException;
+import nl.uva.sne.drip.api.exception.NullKeyIDException;
 import nl.uva.sne.drip.api.service.UserService;
 import nl.uva.sne.drip.commons.types.LoginKey;
 import org.apache.commons.io.FilenameUtils;
@@ -60,10 +62,10 @@ public class CloudConfigurationController {
     public @ResponseBody
     String postConf(@RequestBody CloudCredentials cc) {
         if (cc.getKey() == null) {
-            throw new BadRequestException("key can't be null");
+            throw new NullKeyException();
         }
         if (cc.getKeyIdAlias() == null) {
-            throw new BadRequestException("keyIdAlias can't be null");
+            throw new NullKeyIDException();
         }
         cloudCredentialsDao.save(cc);
         return cc.getId();