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From btell...@apache.org
Subject [03/13] james-project git commit: JAMES-2545 Introduce RabbitMQ connection factory
Date Fri, 14 Sep 2018 03:19:27 GMT
JAMES-2545 Introduce RabbitMQ connection factory


Project: http://git-wip-us.apache.org/repos/asf/james-project/repo
Commit: http://git-wip-us.apache.org/repos/asf/james-project/commit/3b570bc1
Tree: http://git-wip-us.apache.org/repos/asf/james-project/tree/3b570bc1
Diff: http://git-wip-us.apache.org/repos/asf/james-project/diff/3b570bc1

Branch: refs/heads/master
Commit: 3b570bc1d5c24c872527072d09ab659412ae4b68
Parents: b847583
Author: Antoine Duprat <aduprat@linagora.com>
Authored: Wed Sep 12 14:03:02 2018 +0200
Committer: Benoit Tellier <btellier@linagora.com>
Committed: Fri Sep 14 10:17:42 2018 +0700

----------------------------------------------------------------------
 .../rabbitmq/RabbitMQConnectionFactory.java     | 59 +++++++++++++++++++
 .../rabbitmq/RabbitMQConnectionFactoryTest.java | 62 ++++++++++++++++++++
 2 files changed, 121 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/james-project/blob/3b570bc1/backends-common/rabbitmq/src/main/java/org/apache/james/backend/rabbitmq/RabbitMQConnectionFactory.java
----------------------------------------------------------------------
diff --git a/backends-common/rabbitmq/src/main/java/org/apache/james/backend/rabbitmq/RabbitMQConnectionFactory.java
b/backends-common/rabbitmq/src/main/java/org/apache/james/backend/rabbitmq/RabbitMQConnectionFactory.java
new file mode 100644
index 0000000..b6a6ba2
--- /dev/null
+++ b/backends-common/rabbitmq/src/main/java/org/apache/james/backend/rabbitmq/RabbitMQConnectionFactory.java
@@ -0,0 +1,59 @@
+/****************************************************************
+ * 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.james.backend.rabbitmq;
+
+import javax.inject.Inject;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.rabbitmq.client.Connection;
+import com.rabbitmq.client.ConnectionFactory;
+
+public class RabbitMQConnectionFactory {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(RabbitMQConnectionFactory.class);
+
+    private final ConnectionFactory connectionFactory;
+
+    @Inject
+    public RabbitMQConnectionFactory(RabbitMQConfiguration rabbitMQConfiguration) {
+        this.connectionFactory = from(rabbitMQConfiguration);
+    }
+
+    private ConnectionFactory from(RabbitMQConfiguration rabbitMQConfiguration) {
+        try {
+            ConnectionFactory connectionFactory = new ConnectionFactory();
+            connectionFactory.setUri(rabbitMQConfiguration.getUri());
+            return connectionFactory;
+        } catch (Exception e) {
+            LOGGER.error("Fail to create the RabbitMQ connection factory.");
+            throw new RuntimeException(e);
+        }
+    }
+
+    public Connection create() {
+        try {
+            return connectionFactory.newConnection();
+        } catch (Exception e) {
+            LOGGER.error("Fail to create a RabbitMQ connection.");
+            throw new RuntimeException(e);
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/james-project/blob/3b570bc1/backends-common/rabbitmq/src/test/java/org/apache/james/backend/rabbitmq/RabbitMQConnectionFactoryTest.java
----------------------------------------------------------------------
diff --git a/backends-common/rabbitmq/src/test/java/org/apache/james/backend/rabbitmq/RabbitMQConnectionFactoryTest.java
b/backends-common/rabbitmq/src/test/java/org/apache/james/backend/rabbitmq/RabbitMQConnectionFactoryTest.java
new file mode 100644
index 0000000..99cca33
--- /dev/null
+++ b/backends-common/rabbitmq/src/test/java/org/apache/james/backend/rabbitmq/RabbitMQConnectionFactoryTest.java
@@ -0,0 +1,62 @@
+/****************************************************************
+ * 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.james.backend.rabbitmq;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import java.net.URI;
+
+import org.junit.jupiter.api.Test;
+
+class RabbitMQConnectionFactoryTest {
+
+    @Test
+    void creatingAFactoryShouldWorkWhenConfigurationIsValid() {
+        RabbitMQConfiguration rabbitMQConfiguration = RabbitMQConfiguration.builder()
+            .amqpUri(URI.create("amqp://james:james@rabbitmq_host:5672"))
+            .managementUri(URI.create("http://james:james@rabbitmq_host:15672/api/"))
+            .build();
+
+        new RabbitMQConnectionFactory(rabbitMQConfiguration);
+    }
+
+    @Test
+    void creatingAFactoryShouldThrowWhenConfigurationIsInvalid() {
+        RabbitMQConfiguration rabbitMQConfiguration = RabbitMQConfiguration.builder()
+            .amqpUri(URI.create("badprotocol://james:james@rabbitmq_host:5672"))
+            .managementUri(URI.create("http://james:james@rabbitmq_host:15672/api/"))
+            .build();
+
+        assertThatThrownBy(() -> new RabbitMQConnectionFactory(rabbitMQConfiguration))
+            .isInstanceOf(RuntimeException.class);
+    }
+
+    @Test
+    void createShouldFailWhenConnectionCantBeDone() {
+        RabbitMQConfiguration rabbitMQConfiguration = RabbitMQConfiguration.builder()
+                .amqpUri(URI.create("amqp://james:james@rabbitmq_host:5672"))
+                .managementUri(URI.create("http://james:james@rabbitmq_host:15672/api/"))
+                .build();
+
+        RabbitMQConnectionFactory rabbitMQConnectionFactory = new RabbitMQConnectionFactory(rabbitMQConfiguration);
+
+        assertThatThrownBy(() -> rabbitMQConnectionFactory.create())
+            .isInstanceOf(RuntimeException.class);
+    }
+}


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