svn commit: r1775610 - /openwebbeans/meecrowave/trunk/meecrowave-jta/src/main/java/org/apache/meecrowave/jta/TransactionExceptionMapper.java

[rm...@apache.org]

Author: rmannibucau
Date: Thu Dec 22 10:31:56 2016
New Revision: 1775610

URL: http://svn.apache.org/viewvc?rev=1775610&view=rev
Log:
TransactionExceptionMapper

Added:
    openwebbeans/meecrowave/trunk/meecrowave-jta/src/main/java/org/apache/meecrowave/jta/TransactionExceptionMapper.java

Added: openwebbeans/meecrowave/trunk/meecrowave-jta/src/main/java/org/apache/meecrowave/jta/TransactionExceptionMapper.java
URL: http://svn.apache.org/viewvc/openwebbeans/meecrowave/trunk/meecrowave-jta/src/main/java/org/apache/meecrowave/jta/TransactionExceptionMapper.java?rev=1775610&view=auto
==============================================================================
--- openwebbeans/meecrowave/trunk/meecrowave-jta/src/main/java/org/apache/meecrowave/jta/TransactionExceptionMapper.java (added)
+++ openwebbeans/meecrowave/trunk/meecrowave-jta/src/main/java/org/apache/meecrowave/jta/TransactionExceptionMapper.java Thu Dec 22 10:31:56 2016
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.meecrowave.jta;
+
+import javax.transaction.TransactionalException;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.ext.ExceptionMapper;
+import javax.ws.rs.ext.Provider;
+import javax.ws.rs.ext.Providers;
+
+@Provider
+public class TransactionExceptionMapper implements ExceptionMapper<TransactionalException> {
+    @Context
+    private Providers providers;
+
+    @Override
+    public Response toResponse(final TransactionalException ejbException) {
+        final Throwable cause = ejbException.getCause();
+        if (cause != null) {
+            final Class causeClass = cause.getClass();
+            final ExceptionMapper exceptionMapper = providers.getExceptionMapper(causeClass);
+            if (exceptionMapper == null) {
+                return defaultResponse(cause);
+            }
+            return exceptionMapper.toResponse(cause);
+        }
+        return defaultResponse(ejbException);
+    }
+
+    private Response defaultResponse(final Throwable cause) {
+        return Response.serverError().type(MediaType.TEXT_PLAIN_TYPE).entity(cause.getMessage()).build();
+    }
+}