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 <anco...@gmail.com> Authored: Mon Jan 18 10:03:40 2016 +0100 Committer: Andrea Cosentino <anco...@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 + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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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 +
