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From acosent...@apache.org
Subject [1/3] camel git commit: CAMEL-9267: camel-nats - A java client component for the nats broker
Date Mon, 18 Jan 2016 13:30:54 GMT
Repository: camel
Updated Branches:
  refs/heads/master b26e6a152 -> 2b22c3f28


CAMEL-9267: camel-nats - A java client component for the nats broker


Project: http://git-wip-us.apache.org/repos/asf/camel/repo
Commit: http://git-wip-us.apache.org/repos/asf/camel/commit/56b815b6
Tree: http://git-wip-us.apache.org/repos/asf/camel/tree/56b815b6
Diff: http://git-wip-us.apache.org/repos/asf/camel/diff/56b815b6

Branch: refs/heads/master
Commit: 56b815b60f58dc9d207f9c5f078c55e198448a1c
Parents: b26e6a1
Author: Andrea Cosentino <ancosen@gmail.com>
Authored: Mon Jan 18 10:03:40 2016 +0100
Committer: Andrea Cosentino <ancosen@gmail.com>
Committed: Mon Jan 18 10:03:40 2016 +0100

----------------------------------------------------------------------
 components/camel-nats/pom.xml                   |  81 +++++++
 .../camel/component/nats/NatsComponent.java     |  35 +++
 .../camel/component/nats/NatsConfiguration.java | 227 +++++++++++++++++++
 .../camel/component/nats/NatsConstants.java     |  23 ++
 .../camel/component/nats/NatsConsumer.java      | 126 ++++++++++
 .../camel/component/nats/NatsEndpoint.java      |  68 ++++++
 .../camel/component/nats/NatsProducer.java      |  78 +++++++
 .../component/nats/NatsPropertiesConstants.java |  31 +++
 .../src/main/resources/META-INF/LICENSE.txt     | 203 +++++++++++++++++
 .../src/main/resources/META-INF/NOTICE.txt      |  11 +
 .../services/org/apache/camel/component/nats    |  18 ++
 .../component/nats/NatsConsumerLoadTest.java    |  59 +++++
 .../nats/NatsConsumerMaxMessagesQueueTest.java  |  56 +++++
 .../nats/NatsConsumerMaxMessagesTest.java       |  63 +++++
 .../camel/component/nats/NatsConsumerTest.java  |  53 +++++
 .../camel/component/nats/NatsProducerTest.java  |  41 ++++
 .../src/test/resources/log4j.properties         |  36 +++
 17 files changed, 1209 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/pom.xml
----------------------------------------------------------------------
diff --git a/components/camel-nats/pom.xml b/components/camel-nats/pom.xml
new file mode 100644
index 0000000..841e739
--- /dev/null
+++ b/components/camel-nats/pom.xml
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- 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. -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.apache.camel</groupId>
+    <artifactId>components</artifactId>
+    <version>2.17-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>camel-nats</artifactId>
+  <packaging>bundle</packaging>
+  <name>Camel :: Nats</name>
+
+   <properties>
+      <camel.osgi.export.pkg>org.apache.camel.component.nats.*</camel.osgi.export.pkg>
+      <camel.osgi.export.service>org.apache.camel.spi.ComponentResolver;component=nats</camel.osgi.export.service>
+   </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.camel</groupId>
+      <artifactId>camel-core</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>com.github.tyagihas</groupId>
+      <artifactId>java_nats</artifactId>
+      <version>0.5.2</version>
+    </dependency>
+    <!-- testing -->
+    <dependency>
+      <groupId>org.apache.camel</groupId>
+      <artifactId>camel-test</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <!-- logging -->
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-log4j12</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-core</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>log4j</groupId>
+      <artifactId>log4j</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <configuration>
+          <forkCount>1</forkCount>
+          <reuseForks>false</reuseForks>
+          <forkedProcessTimeoutInSeconds>300</forkedProcessTimeoutInSeconds>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsComponent.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsComponent.java b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsComponent.java
new file mode 100644
index 0000000..2ccfe36
--- /dev/null
+++ b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsComponent.java
@@ -0,0 +1,35 @@
+/**
+ * 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.camel.component.nats;
+
+import java.util.Map;
+
+import org.apache.camel.Endpoint;
+import org.apache.camel.impl.DefaultComponent;
+
+public class NatsComponent extends DefaultComponent {
+
+    @Override
+    protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
+        NatsConfiguration config = new NatsConfiguration();
+        setProperties(config, parameters);
+        config.setServers(remaining);
+        NatsEndpoint endpoint = new NatsEndpoint(uri, this, config);
+        return endpoint;
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConfiguration.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConfiguration.java b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConfiguration.java
new file mode 100644
index 0000000..43182b9
--- /dev/null
+++ b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConfiguration.java
@@ -0,0 +1,227 @@
+/**
+ * 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.camel.component.nats;
+
+import java.util.Properties;
+
+import org.apache.camel.spi.Metadata;
+import org.apache.camel.spi.UriParam;
+import org.apache.camel.spi.UriParams;
+import org.apache.camel.spi.UriPath;
+
+@UriParams
+public class NatsConfiguration {
+
+	@UriPath @Metadata(required = "true")
+    private String servers;
+    @UriParam @Metadata(required = "true")
+    private String topic;
+    @UriParam(defaultValue = "true")
+    private boolean reconnect = true;
+    @UriParam(defaultValue = "false")
+    private boolean pedantic;
+    @UriParam(defaultValue = "false")
+    private boolean verbose;
+    @UriParam(defaultValue = "false")
+    private boolean ssl;
+    @UriParam(defaultValue = "2000")
+    private int reconnectTimeWait = 2000;
+    @UriParam(defaultValue = "3")
+    private int maxReconnectAttempts = 3;
+    @UriParam(defaultValue = "4000")
+    private int pingInterval = 4000;
+    @UriParam(defaultValue = "false")
+    private boolean noRandomizeServers;
+    @UriParam(label = "consumer")
+    private String queueName;
+    @UriParam(label = "consumer")
+    private String maxMessages;
+    @UriParam(label = "consumer", defaultValue = "10")
+    private int poolSize = 10;
+    
+    /**
+     * The Nats servers
+     */
+    public String getServers() {
+        return servers;
+    }
+    public void setServers(String servers) {
+        this.servers = servers;
+    }
+    
+    /**
+     * The name of topic we want to use
+     */   
+    public String getTopic() {
+        return topic;
+    }
+    public void setTopic(String topic) {
+        this.topic = topic;
+    }
+        
+    /**
+     * Whether or not using reconnection feature
+     */   
+    public boolean getReconnect() {
+        return reconnect;
+    }
+    public void setReconnect(boolean reconnect) {
+        this.reconnect = reconnect;
+    }
+     
+    /**
+     * Whether or not running in pedantic mode (this affects performace)
+     */  
+    public boolean getPedantic() {
+        return pedantic;
+    }
+    public void setPedantic(boolean pedantic) {
+        this.pedantic = pedantic;
+    }
+    
+    /**
+     * Whether or not running in verbose mode
+     */  
+    public boolean getVerbose() {
+        return verbose;
+    }
+    public void setVerbose(boolean verbose) {
+        this.verbose = verbose;
+    }
+    
+    /**
+     * Whether or not using SSL
+     */ 
+    public boolean getSsl() {
+        return ssl;
+    }
+    public void setSsl(boolean ssl) {
+        this.ssl = ssl;
+    }
+    
+    /**
+     * Waiting time before attempts reconnection (in milliseconds)
+     */ 
+    public int getReconnectTimeWait() {
+        return reconnectTimeWait;
+    }
+    public void setReconnectTimeWait(int reconnectTimeWait) {
+        this.reconnectTimeWait = reconnectTimeWait;
+    }
+    
+    /**
+     * Max reconnection attempts
+     */ 
+    public int getMaxReconnectAttempts() {
+        return maxReconnectAttempts;
+    }
+    public void setMaxReconnectAttempts(int maxReconnectAttempts) {
+        this.maxReconnectAttempts = maxReconnectAttempts;
+    }
+    
+    /**
+     * Ping interval to be aware if connection is still alive (in milliseconds)
+     */
+    public int getPingInterval() {
+        return pingInterval;
+    }
+    public void setPingInterval(int pingInterval) {
+        this.pingInterval = pingInterval;
+    }
+    
+    /**
+     * Whether or not randomizing the order of servers for the connection attempts
+     */
+    public boolean getNoRandomizeServers() {
+        return noRandomizeServers;
+    }
+    public void setNoRandomizeServers(boolean noRandomizeServers) {
+        this.noRandomizeServers = noRandomizeServers;
+    }
+    
+    /**
+     * The Queue name if we are using nats for a queue configuration
+     */
+    public String getQueueName() {
+        return queueName;
+    }
+    public void setQueueName(String queueName) {
+        this.queueName = queueName;
+    }
+    
+    /**
+     * Stop receiving messages from a topic we are subscribing to after maxMessages 
+     */
+    public String getMaxMessages() {
+        return maxMessages;
+    }
+    public void setMaxMessages(String maxMessages) {
+        this.maxMessages = maxMessages;
+    }
+    
+    /**
+     * Consumer pool size
+     */
+    public int getPoolSize() {
+        return poolSize;
+    }
+    public void setPoolSize(int poolSize) {
+        this.poolSize = poolSize;
+    }
+    
+    private static <T> void addPropertyIfNotNull(Properties props, String key, T value) {
+        if (value != null) {
+            props.put(key, value);
+        }
+    }
+    
+    public Properties createProperties() {
+        Properties props = new Properties();
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_URI, splitServers());
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_VERBOSE, getVerbose());
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_PEDANTIC, getPedantic());
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_SSL, getSsl());
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_RECONNECT, getReconnect());
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_MAX_RECONNECT_ATTEMPTS, getMaxReconnectAttempts());
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_RECONNECT_TIME_WAIT, getReconnectTimeWait());
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_PING_INTERVAL, getPingInterval());
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_DONT_RANDOMIZE_SERVERS, getNoRandomizeServers());
+        return props;
+    }
+    
+    public Properties createSubProperties() {
+        Properties props = new Properties();
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_QUEUE, getQueueName());
+        addPropertyIfNotNull(props, NatsPropertiesConstants.NATS_PROPERTY_MAX_MESSAGES, getMaxMessages());
+        return props;
+    }
+    
+    private String splitServers() {
+        StringBuilder servers = new StringBuilder();
+        String prefix = "nats://";
+        
+        String[] pieces = getServers().split(",");
+        for (int i = 0; i < pieces.length; i++) {
+            if (i < pieces.length - 1) {
+                servers.append(prefix + pieces[i] + ",");
+            } else {
+                servers.append(prefix + pieces[i]);
+            }
+        }
+        return servers.toString();
+    }
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConstants.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConstants.java b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConstants.java
new file mode 100644
index 0000000..1d38369
--- /dev/null
+++ b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConstants.java
@@ -0,0 +1,23 @@
+/**
+ * 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.camel.component.nats;
+
+public interface NatsConstants {
+
+    String NATS_MESSAGE_TIMESTAMP = "natsMessageTimestamp";
+    String NATS_SUBSCRIBE_SID = "natsSubscribeSid";
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConsumer.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConsumer.java b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConsumer.java
new file mode 100644
index 0000000..e63f485
--- /dev/null
+++ b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsConsumer.java
@@ -0,0 +1,126 @@
+/**
+ * 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.camel.component.nats;
+
+import java.io.IOException;
+import java.util.Properties;
+import java.util.concurrent.ExecutorService;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.Processor;
+import org.apache.camel.impl.DefaultConsumer;
+import org.nats.Connection;
+import org.nats.MsgHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class NatsConsumer extends DefaultConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(NatsConsumer.class);
+
+    protected ExecutorService executor;
+    private final NatsEndpoint endpoint;
+    private final Processor processor;
+    private Connection connection;
+    private int sid;
+
+    public NatsConsumer(NatsEndpoint endpoint, Processor processor) {
+        super(endpoint, processor);
+        this.endpoint = endpoint;
+        this.processor = processor;
+    }
+
+    @Override
+    public NatsEndpoint getEndpoint() {
+        return (NatsEndpoint) super.getEndpoint();
+    }
+
+    @Override
+    protected void doStart() throws Exception {
+        super.doStart();
+        LOG.debug("Starting Nats Consumer");
+        executor = endpoint.createExecutor();
+
+        LOG.debug("Getting Nats Connection");
+        connection = getConnection();
+
+        executor.submit(new NatsConsumingTask(connection, getEndpoint().getNatsConfiguration()));
+
+    }
+
+    @Override
+    protected void doStop() throws Exception {
+        super.doStop();
+        LOG.debug("Stopping Nats Consumer");
+        if (executor != null) {
+            if (getEndpoint() != null && getEndpoint().getCamelContext() != null) {
+                getEndpoint().getCamelContext().getExecutorServiceManager().shutdownNow(executor);
+            } else {
+                executor.shutdownNow();
+            }
+        }
+        executor = null;
+        
+        LOG.debug("Closing Nats Connection");
+        if (connection.isConnected()) {
+            connection.close();   
+        }
+    }
+
+    private Connection getConnection() throws IOException, InterruptedException {
+
+        Properties prop = getEndpoint().getNatsConfiguration().createProperties();
+        connection = Connection.connect(prop);
+
+        return connection;
+    }
+
+    class NatsConsumingTask implements Runnable {
+
+        private final Connection connection;
+        
+        private final NatsConfiguration configuration;
+
+        public NatsConsumingTask(Connection connection, NatsConfiguration configuration) {
+            this.connection = connection;
+            this.configuration = configuration;
+        }
+
+        @Override
+        public void run() {
+            try {
+                sid = connection.subscribe(getEndpoint().getNatsConfiguration().getTopic(), configuration.createSubProperties(), new MsgHandler() {
+                    public void execute(String msg) {
+                        LOG.debug("Received Message: " + msg);
+                        Exchange exchange = getEndpoint().createExchange();
+                        exchange.getIn().setBody(msg);
+                        exchange.getIn().setHeader(NatsConstants.NATS_MESSAGE_TIMESTAMP, System.currentTimeMillis());
+                        exchange.getIn().setHeader(NatsConstants.NATS_SUBSCRIBE_SID, sid);
+                        try {
+                            processor.process(exchange);
+                        } catch (Exception e) {
+                            getExceptionHandler().handleException("Error during processing", exchange, e);
+                        }
+                    }
+                });
+            } catch (IOException e1) {
+                getExceptionHandler().handleException("Error during processing", e1);
+            }
+        }
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsEndpoint.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsEndpoint.java b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsEndpoint.java
new file mode 100644
index 0000000..6a076d4
--- /dev/null
+++ b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsEndpoint.java
@@ -0,0 +1,68 @@
+/**
+ * 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.camel.component.nats;
+
+import java.util.concurrent.ExecutorService;
+
+import org.apache.camel.Consumer;
+import org.apache.camel.Processor;
+import org.apache.camel.Producer;
+import org.apache.camel.impl.DefaultEndpoint;
+import org.apache.camel.spi.UriEndpoint;
+import org.apache.camel.spi.UriParam;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@UriEndpoint(scheme = "nats", title = "Nats", syntax = "nats:host", label = "messaging")
+public class NatsEndpoint extends DefaultEndpoint {
+
+    private static final Logger LOG = LoggerFactory.getLogger(NatsEndpoint.class);
+
+    @UriParam
+    private NatsConfiguration configuration;
+    
+    public NatsEndpoint(String uri, NatsComponent component, NatsConfiguration config) {
+        super(uri, component);
+        this.configuration = config;
+    }    
+    
+    @Override
+    public Producer createProducer() throws Exception {
+        return new NatsProducer(this);
+    }
+
+    @Override
+    public Consumer createConsumer(Processor processor) throws Exception {
+        return new NatsConsumer(this, processor);
+    }
+    
+    public ExecutorService createExecutor() {
+        return getCamelContext().getExecutorServiceManager().newFixedThreadPool(this, "NatsTopic[" + configuration.getTopic() + "]", configuration.getPoolSize());
+    }
+
+    @Override
+    public boolean isSingleton() {
+        return false;
+    }
+    
+    /**
+     * The nats Configuration
+     */
+    public NatsConfiguration getNatsConfiguration() {
+        return configuration;
+    }
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsProducer.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsProducer.java b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsProducer.java
new file mode 100644
index 0000000..92e2424
--- /dev/null
+++ b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsProducer.java
@@ -0,0 +1,78 @@
+/**
+ * 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.camel.component.nats;
+
+import java.io.IOException;
+import java.util.Properties;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.impl.DefaultProducer;
+import org.nats.Connection;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class NatsProducer extends DefaultProducer {
+    
+    private static final Logger LOG = LoggerFactory.getLogger(NatsProducer.class);
+    
+    private Connection connection;
+    
+    public NatsProducer(NatsEndpoint endpoint) {
+        super(endpoint);
+    }
+    
+    @Override
+    public NatsEndpoint getEndpoint() {
+        return (NatsEndpoint) super.getEndpoint();
+    }
+    
+    @Override
+    public void process(Exchange exchange) throws Exception {
+        NatsConfiguration config = getEndpoint().getNatsConfiguration();
+        connection.publish(config.getTopic(), exchange.getIn().getBody(String.class).getBytes());
+    }
+    
+
+    @Override
+    protected void doStart() throws Exception {
+        super.doStart();
+        LOG.debug("Starting Nats Producer");
+        
+        LOG.debug("Getting Nats Connection");
+        connection = getConnection();
+    }
+
+    @Override
+    protected void doStop() throws Exception {
+        super.doStop();
+        LOG.debug("Stopping Nats Producer");
+        
+        LOG.debug("Closing Nats Connection");
+        if (connection.isConnected()) {
+            connection.close();
+        }
+    }
+
+    
+    private Connection getConnection() throws IOException, InterruptedException {
+
+        Properties prop = getEndpoint().getNatsConfiguration().createProperties();
+        connection = Connection.connect(prop);
+
+        return connection;
+    }
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsPropertiesConstants.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsPropertiesConstants.java b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsPropertiesConstants.java
new file mode 100644
index 0000000..8c09ce8
--- /dev/null
+++ b/components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsPropertiesConstants.java
@@ -0,0 +1,31 @@
+/**
+ * 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.camel.component.nats;
+
+public interface NatsPropertiesConstants {
+    String NATS_PROPERTY_URI = "uri";
+    String NATS_PROPERTY_VERBOSE = "verbose";
+    String NATS_PROPERTY_PEDANTIC = "pedantic";
+    String NATS_PROPERTY_RECONNECT = "reconnect";
+    String NATS_PROPERTY_SSL = "ssl";
+    String NATS_PROPERTY_MAX_RECONNECT_ATTEMPTS = "max_reconnect_attempts";
+    String NATS_PROPERTY_RECONNECT_TIME_WAIT = "reconnect_time_wait";
+    String NATS_PROPERTY_PING_INTERVAL = "ping_interval";
+    String NATS_PROPERTY_DONT_RANDOMIZE_SERVERS = "dont_randomize_servers";
+    String NATS_PROPERTY_QUEUE = "queue";
+    String NATS_PROPERTY_MAX_MESSAGES = "max";
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/resources/META-INF/LICENSE.txt
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/resources/META-INF/LICENSE.txt b/components/camel-nats/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 0000000..6b0b127
--- /dev/null
+++ b/components/camel-nats/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,203 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
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+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
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+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   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.
+

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/resources/META-INF/NOTICE.txt
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/resources/META-INF/NOTICE.txt b/components/camel-nats/src/main/resources/META-INF/NOTICE.txt
new file mode 100644
index 0000000..2e215bf
--- /dev/null
+++ b/components/camel-nats/src/main/resources/META-INF/NOTICE.txt
@@ -0,0 +1,11 @@
+   =========================================================================
+   ==  NOTICE file corresponding to the section 4 d of                    ==
+   ==  the Apache License, Version 2.0,                                   ==
+   ==  in this case for the Apache Camel distribution.                    ==
+   =========================================================================
+
+   This product includes software developed by
+   The Apache Software Foundation (http://www.apache.org/).
+
+   Please read the different LICENSE files present in the licenses directory of
+   this distribution.

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/main/resources/META-INF/services/org/apache/camel/component/nats
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/main/resources/META-INF/services/org/apache/camel/component/nats b/components/camel-nats/src/main/resources/META-INF/services/org/apache/camel/component/nats
new file mode 100644
index 0000000..e2e3a19
--- /dev/null
+++ b/components/camel-nats/src/main/resources/META-INF/services/org/apache/camel/component/nats
@@ -0,0 +1,18 @@
+#
+# 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.
+#
+
+class=org.apache.camel.component.nats.NatsComponent

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerLoadTest.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerLoadTest.java b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerLoadTest.java
new file mode 100644
index 0000000..67d1e7c
--- /dev/null
+++ b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerLoadTest.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.camel.component.nats;
+
+import java.io.IOException;
+import java.util.Properties;
+
+import org.apache.camel.EndpointInject;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.nats.Connection;
+
+@Ignore("Require a running Nats server")
+public class NatsConsumerLoadTest extends CamelTestSupport {
+    
+    @EndpointInject(uri = "mock:result")
+    protected MockEndpoint mockResultEndpoint;
+
+    @Test
+    public void testLoadConsumer() throws InterruptedException, IOException {
+        mockResultEndpoint.setExpectedMessageCount(10000);
+        
+        Connection connection = Connection.connect(new Properties());
+        
+        for (int i = 0; i < 10000; i++) {
+            connection.publish("test", ("test" + i).getBytes());
+        }
+
+        mockResultEndpoint.assertIsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("nats://localhost:4222?topic=test").to(mockResultEndpoint);
+            }
+        };
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerMaxMessagesQueueTest.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerMaxMessagesQueueTest.java b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerMaxMessagesQueueTest.java
new file mode 100644
index 0000000..c637cef
--- /dev/null
+++ b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerMaxMessagesQueueTest.java
@@ -0,0 +1,56 @@
+/**
+ * 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.camel.component.nats;
+
+import java.io.IOException;
+
+import org.apache.camel.EndpointInject;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Ignore;
+import org.junit.Test;
+
+@Ignore("Require a running Nats server")
+public class NatsConsumerMaxMessagesQueueTest extends CamelTestSupport {
+
+    @EndpointInject(uri = "mock:result")
+    protected MockEndpoint mockResultEndpoint;
+
+    @Test
+    public void testMaxConsumer() throws InterruptedException, IOException {
+        mockResultEndpoint.expectedBodiesReceivedInAnyOrder("test", "test1");
+        mockResultEndpoint.setExpectedMessageCount(2);
+        
+        template.sendBody("direct:send", "test");
+        template.sendBody("direct:send", "test1");
+
+        mockResultEndpoint.assertIsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("direct:send").to("nats://localhost:4222?topic=test");
+                from("nats://localhost:4222?topic=test&maxMessages=5&queueName=test").routeId("cons1").to(mockResultEndpoint);
+                from("nats://localhost:4222?topic=test&maxMessages=6&queueName=test").routeId("cons2").to(mockResultEndpoint);
+            }
+        };
+    }
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerMaxMessagesTest.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerMaxMessagesTest.java b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerMaxMessagesTest.java
new file mode 100644
index 0000000..6e7482e
--- /dev/null
+++ b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerMaxMessagesTest.java
@@ -0,0 +1,63 @@
+/**
+ * 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.camel.component.nats;
+
+import java.io.IOException;
+
+import org.apache.camel.EndpointInject;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Ignore;
+import org.junit.Test;
+
+@Ignore("Require a running Nats server")
+public class NatsConsumerMaxMessagesTest extends CamelTestSupport {
+
+    @EndpointInject(uri = "mock:result")
+    protected MockEndpoint mockResultEndpoint;
+
+    @Test
+    public void testMaxConsumer() throws InterruptedException, IOException {
+        mockResultEndpoint.expectedBodiesReceived("test", "test1", "test2", "test3", "test4");
+        mockResultEndpoint.setExpectedMessageCount(5);
+        template.sendBody("direct:send", "test");
+        template.sendBody("direct:send", "test1");
+        template.sendBody("direct:send", "test2");
+        template.sendBody("direct:send", "test3");
+        template.sendBody("direct:send", "test4");
+        template.sendBody("direct:send", "test5");
+        template.sendBody("direct:send", "test6");
+        template.sendBody("direct:send", "test7");
+        template.sendBody("direct:send", "test8");
+        template.sendBody("direct:send", "test9");
+        template.sendBody("direct:send", "test10");
+
+        mockResultEndpoint.assertIsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("direct:send").to("nats://localhost:4222?topic=test");
+                from("nats://localhost:4222?topic=test&maxMessages=5").to(mockResultEndpoint);
+            }
+        };
+    }
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerTest.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerTest.java b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerTest.java
new file mode 100644
index 0000000..c689ade
--- /dev/null
+++ b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsConsumerTest.java
@@ -0,0 +1,53 @@
+/**
+ * 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.camel.component.nats;
+
+import java.io.IOException;
+
+import org.apache.camel.EndpointInject;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Ignore;
+import org.junit.Test;
+
+@Ignore("Require a running Nats server")
+public class NatsConsumerTest extends CamelTestSupport {
+
+    @EndpointInject(uri = "mock:result")
+    protected MockEndpoint mockResultEndpoint;
+
+    @Test
+    public void testConsumer() throws InterruptedException, IOException {
+        mockResultEndpoint.expectedMessageCount(1);
+        mockResultEndpoint.expectedBodiesReceived("test");
+        template.requestBody("direct:send", "test");
+
+        mockResultEndpoint.assertIsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("direct:send").to("nats://localhost:4222?topic=test");
+                from("nats://localhost:4222?topic=test").to(mockResultEndpoint);
+            }
+        };
+    }
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsProducerTest.java
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsProducerTest.java b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsProducerTest.java
new file mode 100644
index 0000000..8f10b4c
--- /dev/null
+++ b/components/camel-nats/src/test/java/org/apache/camel/component/nats/NatsProducerTest.java
@@ -0,0 +1,41 @@
+/**
+ * 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.camel.component.nats;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Ignore;
+import org.junit.Test;
+
+@Ignore("Require a running Nats server")
+public class NatsProducerTest extends CamelTestSupport {
+    
+    @Test
+    public void sendTest() throws Exception {
+        template.sendBody("direct:send", "pippo");
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("direct:send").to("nats://localhost:4222?topic=test");
+            }
+        };
+    }
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/56b815b6/components/camel-nats/src/test/resources/log4j.properties
----------------------------------------------------------------------
diff --git a/components/camel-nats/src/test/resources/log4j.properties b/components/camel-nats/src/test/resources/log4j.properties
new file mode 100644
index 0000000..8aa3fda
--- /dev/null
+++ b/components/camel-nats/src/test/resources/log4j.properties
@@ -0,0 +1,36 @@
+## ---------------------------------------------------------------------------
+## 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.
+## ---------------------------------------------------------------------------
+
+#
+# The logging properties used
+#
+log4j.rootLogger=INFO, file
+
+#log4j.logger.org.apache.camel=DEBUG
+
+# CONSOLE appender not used by default
+log4j.appender.out=org.apache.log4j.ConsoleAppender
+log4j.appender.out.layout=org.apache.log4j.PatternLayout
+log4j.appender.out.layout.ConversionPattern=%d [%-15.15t] %-5p %-30.30c{1} - %m%n
+
+# File appender
+log4j.appender.file=org.apache.log4j.FileAppender
+log4j.appender.file.layout=org.apache.log4j.PatternLayout
+log4j.appender.file.layout.ConversionPattern=%d [%-15.15t] %-5p %-30.30c{1} - %m%n
+log4j.appender.file.file=target/camel-nats-test.log
+log4j.appender.file.append=true
+


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