initial commit for CDT proxy Service

[appc/cdt.git] / CdtProxyService / src / main / java / org / onap / appc / cdt / service / exceptions / GlobalExceptionHandler.java

diff --git a/CdtProxyService/src/main/java/org/onap/appc/cdt/service/exceptions/GlobalExceptionHandler.java b/CdtProxyService/src/main/java/org/onap/appc/cdt/service/exceptions/GlobalExceptionHandler.java
new file mode 100644 (file)
index 0000000..3995860
--- /dev/null
+++ b/CdtProxyService/src/main/java/org/onap/appc/cdt/service/exceptions/GlobalExceptionHandler.java
@@ -0,0 +1,74 @@
+/*
+============LICENSE_START==========================================
+===================================================================
+Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+===================================================================
+
+Unless otherwise specified, all software contained herein is licensed
+under the Apache License, Version 2.0 (the License);
+you may not use this software 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.
+
+============LICENSE_END============================================
+*/
+package org.onap.appc.cdt.service.exceptions;
+
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.client.ResourceAccessException;
+import org.springframework.web.context.request.WebRequest;
+
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+import java.net.UnknownHostException;
+
+/**
+ * Created by Amaresh Kumar on 09/May/2018.
+ */
+@ControllerAdvice
+public class GlobalExceptionHandler {
+    private static final Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);
+
+    @ExceptionHandler(UnknownHostException.class)
+    public String handleSQLException(HttpServletRequest request, Exception ex) {
+        logger.info("UnknownHostException Occured:: URL=" + request.getRequestURL());
+        return "Host not found";
+    }
+
+    @ResponseStatus(value = HttpStatus.NOT_FOUND, reason = "IOException occured")
+    @ExceptionHandler(IOException.class)
+    public void handleIOException() {
+        logger.error("IOException handler executed");
+    }
+
+    @ResponseStatus(value = HttpStatus.GATEWAY_TIMEOUT, reason = "Cannot access restconf URl")
+    @ExceptionHandler(ResourceAccessException.class)
+    public void handleResourceAccessException() {
+        logger.error("IOException handler executed");
+    }
+
+    @ExceptionHandler(value = {ResourceNotFoundException.class})
+    protected ResponseEntity<Object> handleResourceNotFoundExceptionException(ResourceNotFoundException ex, WebRequest request) {
+        StringBuilder builder = new StringBuilder();
+        builder.append(ex.getMessage());
+        ApiError apiError = new ApiError(HttpStatus.NOT_FOUND,
+                "Resource Doesnt Exists.", builder.substring(0, builder.length()));
+        return new ResponseEntity<Object>(apiError, new HttpHeaders(), apiError.getStatus());
+    }
+
+}