Make generic router core implementations

Remove dependency of implementation classes of event client

Issue-ID: AAI-1228
Change-Id: I464439e225de6b32941257c090932bd2f6066dc8
Signed-off-by: Gurjeet Bedi <gurjeetb@amdocs.com>

11 files changed, 137 insertions, 400 deletions

diff --git a/src/main/java/org/onap/aai/event/AbstractEventBusEndpoint.java b/src/main/java/org/onap/aai/event/AbstractEventBusEndpoint.java
index abbfe63..9a5abee 100644
--- a/src/main/java/org/onap/aai/event/AbstractEventBusEndpoint.java
+++ b/src/main/java/org/onap/aai/event/AbstractEventBusEndpoint.java
@@ -24,18 +24,12 @@ import org.apache.camel.Component;
 import org.apache.camel.impl.DefaultEndpoint;
 
 public abstract class AbstractEventBusEndpoint extends DefaultEndpoint {
-  public AbstractEventBusEndpoint() {
-  }
 
   public AbstractEventBusEndpoint(String endpointUri, Component component) {
     super(endpointUri, component);
   }
 
-  public AbstractEventBusEndpoint(String endpointUri) {
-    super(endpointUri);
-  }
-
-  abstract void close();
+  abstract void close() throws Exception;
   abstract int getPollingDelay();
   abstract int getPoolSize();
   abstract String getEventTopic();
diff --git a/src/main/java/org/onap/aai/event/DMaaPEventBusEndpoint.java b/src/main/java/org/onap/aai/event/DMaaPEventBusEndpoint.java
deleted file mode 100644
index 3cc37e8..0000000
--- a/src/main/java/org/onap/aai/event/DMaaPEventBusEndpoint.java
+++ /dev/null
@@ -1,184 +0,0 @@
-/**
- * ============LICENSE_START=======================================================
- * org.onap.aai
- * ================================================================================
- * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
- * Copyright © 2017-2018 Amdocs
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- */
-package org.onap.aai.event;
-
-
-import org.apache.camel.Consumer;
-import org.apache.camel.Processor;
-import org.apache.camel.Producer;
-import org.apache.camel.spi.Metadata;
-import org.apache.camel.spi.UriEndpoint;
-import org.apache.camel.spi.UriParam;
-import org.apache.camel.spi.UriPath;
-import org.eclipse.jetty.util.security.Password;
-import org.onap.aai.event.client.DMaaPEventConsumer;
-
-/**
- * Represents a EventBus endpoint.
- */
-@UriEndpoint(scheme = "dmaap-event-bus", syntax = "dmaap-event-bus:name",
-    consumerClass = EventBusConsumer.class, title = "dmaap-event-bus")
-public class DMaaPEventBusEndpoint extends AbstractEventBusEndpoint {
-  @UriPath
-  @Metadata(required = "true")
-  private String name;
-
-  @UriParam(label = "eventTopic")
-  @Metadata(required = "true")
-  private String eventTopic;
-  @UriParam(label = "consumerGroup")
-  @Metadata(required = "true")
-  private String consumerGroup;
-  @UriParam(label = "consumerId")
-  @Metadata(required = "true")
-  private String consumerId;
-  @UriParam(label = "username")
-  private String username;
-  @UriParam(label = "password")
-  private String password;
-  @UriParam(label = "url")
-  @Metadata(required = "true")
-  private String url;
-  @UriParam(label = "poolSize")
-  @Metadata(required = "true", defaultValue="20")
-  private int poolSize = 20;
-  @UriParam(label = "pollingDelay")
-  @Metadata(required = "true", defaultValue="30000")
-  private int pollingDelay = 30000;
-  @UriParam(label = "transportType")
-  @Metadata(required = "true", defaultValue="HTTPAUTH")
-  private String transportType = "HTTPAUTH";
-
-  private DMaaPEventConsumer dmaapConsumer;
-  
-  public DMaaPEventBusEndpoint() {}
-
-  public DMaaPEventBusEndpoint(String uri, DMaaPEventBusComponent component) {
-    super(uri, component);
-  }
-
-  public DMaaPEventBusEndpoint(String endpointUri) {
-    super(endpointUri);
-  }
-
-  @Override
-  void close() {
-    // Don't have to do anything for DMaaP
-  }
-
-  @Override
-  public Producer createProducer() throws Exception {
-    return new EventBusProducer(this);
-  }
-  @Override
-  public Consumer createConsumer(Processor processor) throws Exception {
-    // TODO: other overloads based on filled-in properties
-    dmaapConsumer = new DMaaPEventConsumer(url, eventTopic, username, Password.deobfuscate(password), consumerGroup, consumerId, 15000, 1000, transportType);
-    return new EventBusConsumer(this, processor, dmaapConsumer);
-  }
-  @Override
-  public boolean isSingleton() {
-    return false;
-  }
-
-  public void setName(String name) {
-    this.name = name;
-  }
-
-  public String getName() {
-    return name;
-  }
-
-  public String getEventTopic() {
-    return eventTopic;
-  }
-
-  public void setEventTopic(String eventTopic) {
-    this.eventTopic = eventTopic;
-  }
-
-  public String getConsumerGroup() {
-    return consumerGroup;
-  }
-
-  public void setConsumerGroup(String consumerGroup) {
-    this.consumerGroup = consumerGroup;
-  }
-
-  public String getConsumerId() {
-    return consumerId;
-  }
-
-  public void setConsumerId(String consumerId) {
-    this.consumerId = consumerId;
-  }
-
-  public String getUsername() {
-    return username == null ? null : Password.deobfuscate(username);
-    //return username;
-  }
-
-  public void setUsername(String username) {
-    this.username = username;
-  }
-
-  public String getPassword() {
-    return password == null ? null : Password.deobfuscate(password);
-    //return password;
-  }
-
-  public void setPassword(String password) {
-    this.password = password;
-  }
-  
-  public int getPoolSize() {
-	return poolSize;
-  }
-
-  public void setPoolSize(int poolsize) {
-	this.poolSize = poolsize;
-  }
-
-  public int getPollingDelay() {
-	  return pollingDelay;
-  }
-
-  public void setPollingDelay(int pollingDelay) {
-	  this.pollingDelay = pollingDelay;
-  }
-
-  public String getUrl() {
-	  return url;
-  }
-
-  public void setUrl(String url) {
-    this.url = url;
-  }
-
-  public String getTransportType() {
-    return transportType;
-  }
-
-  public void setTransportType(String transportType) {
-    this.transportType = transportType;
-  }
-}
-
diff --git a/src/main/java/org/onap/aai/event/DMaaPEventBusComponent.java b/src/main/java/org/onap/aai/event/EventBusComponent.java
index 696e0f4..766382b 100644
--- a/src/main/java/org/onap/aai/event/DMaaPEventBusComponent.java
+++ b/src/main/java/org/onap/aai/event/EventBusComponent.java
@@ -2,8 +2,8 @@
  * ============LICENSE_START=======================================================
  * org.onap.aai
  * ================================================================================
- * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
- * Copyright © 2017-2018 Amdocs
+ * Copyright © 2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2018 Amdocs
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,30 +20,24 @@
  */
 package org.onap.aai.event;
 
-import org.apache.camel.CamelContext;
-import org.apache.camel.Endpoint;
-import org.apache.camel.impl.UriEndpointComponent;
-
 import java.util.Map;
 
-/**
- * Represents the component that manages {@link DMaaPEventBusEndpoint}.
- */
-public class DMaaPEventBusComponent extends UriEndpointComponent {
-
-  public DMaaPEventBusComponent() {
-    super(DMaaPEventBusEndpoint.class);
-  }
-
-  public DMaaPEventBusComponent(CamelContext context) {
-    super(context, DMaaPEventBusEndpoint.class);
-  }
+import org.apache.camel.CamelContext;
+import org.apache.camel.Endpoint;
+import org.apache.camel.impl.DefaultComponent;
 
- @Override
-  protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters)
-      throws Exception {
-    Endpoint endpoint = new DMaaPEventBusEndpoint(uri, this);
-    setProperties(endpoint, parameters);
-    return endpoint;
-  }
+public class EventBusComponent extends DefaultComponent {
+	public EventBusComponent() {
+		super();
+	}
+	public EventBusComponent(CamelContext context) {
+		super(context);
+	}
+	
+	@Override
+	protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
+		Endpoint endpoint = new EventBusEndPoint(uri, this);
+		setProperties(endpoint, parameters);
+		return endpoint;
+	}
 }
diff --git a/src/main/java/org/onap/aai/event/EventBusConsumer.java b/src/main/java/org/onap/aai/event/EventBusConsumer.java
index da8ffb5..b189cfd 100644
--- a/src/main/java/org/onap/aai/event/EventBusConsumer.java
+++ b/src/main/java/org/onap/aai/event/EventBusConsumer.java
@@ -31,7 +31,6 @@ import org.onap.aai.cl.api.Logger;
 import org.onap.aai.cl.eelf.LoggerFactory;
 import org.onap.aai.cl.mdc.MdcContext;
 
-import java.util.Collections;
 import java.util.UUID;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
 
diff --git a/src/main/java/org/onap/aai/event/EventBusEndPoint.java b/src/main/java/org/onap/aai/event/EventBusEndPoint.java
new file mode 100644
index 0000000..621b30f
--- /dev/null
+++ b/src/main/java/org/onap/aai/event/EventBusEndPoint.java
@@ -0,0 +1,108 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2018 Amdocs
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.aai.event;
+
+import org.apache.camel.Consumer;
+import org.apache.camel.Processor;
+import org.apache.camel.Producer;
+import org.apache.camel.spi.Metadata;
+import org.apache.camel.spi.UriEndpoint;
+import org.apache.camel.spi.UriParam;
+import org.onap.aai.cl.api.Logger;
+import org.onap.aai.cl.eelf.LoggerFactory;
+import org.onap.aai.event.api.EventConsumer;
+import org.onap.aai.event.api.EventPublisher;
+
+@UriEndpoint(scheme = "event-bus", syntax = "event-bus:name",
+consumerClass = EventBusConsumer.class, title = "event-bus")
+public class EventBusEndPoint extends AbstractEventBusEndpoint {
+	@UriParam(label = "eventTopic")
+	@Metadata(required = "true")
+	private String eventTopic;
+	@UriParam(label = "poolSize")
+	@Metadata(required = "true", defaultValue="20")
+	private int poolSize = 20;
+	@UriParam(label = "pollingDelay")
+	@Metadata(required = "true", defaultValue="30000")
+	private int pollingDelay = 30000;
+ 
+	EventConsumer consumer; //This would be injected via bean through camel route when passed with #
+	
+	EventPublisher publisher; //This would be injected via bean through camel route when passed with #
+	
+	private Logger logger = LoggerFactory.getInstance().getLogger(EventBusEndPoint.class);
+	
+	public EventBusEndPoint(String uri, EventBusComponent component) {
+		super(uri, component);
+	}
+	 
+	@Override
+	public Producer createProducer() throws Exception {
+		return new EventBusProducer(this, publisher);
+	}
+
+	@Override
+	public Consumer createConsumer(Processor processor) throws Exception {
+		return new EventBusConsumer(this, processor, consumer);
+	}
+
+	@Override
+	public boolean isSingleton() {
+		return false;
+	}
+	
+	void close() throws Exception {
+	   if(consumer != null)
+		   consumer.close();
+		if(publisher != null)
+		   publisher.close();
+	}	
+	
+	public void setPoolSize(int poolSize) {
+		this.poolSize = poolSize;
+	}
+
+	public void setPollingDelay(int pollingDelay) {
+		this.pollingDelay = pollingDelay;
+	}
+
+	public int getPollingDelay() {
+    	return pollingDelay;
+    }
+	public int getPoolSize() {
+		return poolSize;
+	}
+	public String getEventTopic() {
+		return eventTopic;
+	}
+
+	public void setEventTopic(String eventTopic) {
+		this.eventTopic = eventTopic;
+	}
+
+	public void setConsumer(EventConsumer consumer) {
+		this.consumer = consumer;
+	}
+
+	public void setPublisher(EventPublisher publisher) {
+		this.publisher = publisher;
+	}
+}
diff --git a/src/main/java/org/onap/aai/event/EventBusProducer.java b/src/main/java/org/onap/aai/event/EventBusProducer.java
index dd8dbed..dfd1bfe 100644
--- a/src/main/java/org/onap/aai/event/EventBusProducer.java
+++ b/src/main/java/org/onap/aai/event/EventBusProducer.java
@@ -22,17 +22,22 @@ package org.onap.aai.event;
 
 import org.apache.camel.Exchange;
 import org.apache.camel.impl.DefaultProducer;
+import org.onap.aai.event.api.EventPublisher;
 
 /**
  * The EventBus producer.
  */
 public class EventBusProducer extends DefaultProducer {
   private AbstractEventBusEndpoint endpoint;
+  
+  private EventPublisher publisher;
 
-  public EventBusProducer(AbstractEventBusEndpoint endpoint) {
-    super(endpoint);
-    this.endpoint = endpoint;
+  public EventBusProducer(AbstractEventBusEndpoint endpoint, EventPublisher publisher) {
+	    super(endpoint);
+	    this.endpoint = endpoint;
+	    this.publisher = publisher;
   }
+  
   @Override
   public void process(Exchange exchange) throws Exception {
     // Publishing to event bus is currently not supported
diff --git a/src/main/java/org/onap/aai/event/KafkaEventBusComponent.java b/src/main/java/org/onap/aai/event/KafkaEventBusComponent.java
deleted file mode 100644
index 07b4c82..0000000
--- a/src/main/java/org/onap/aai/event/KafkaEventBusComponent.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/**
- * ============LICENSE_START=======================================================
- * org.onap.aai
- * ================================================================================
- * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
- * Copyright © 2017-2018 Amdocs
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- */
-package org.onap.aai.event;
-
-import org.apache.camel.CamelContext;
-import org.apache.camel.Endpoint;
-import org.apache.camel.impl.UriEndpointComponent;
-
-import java.util.Map;
-
-/**
- * Represents the component that manages {@link KafkaEventBusEndpoint}.
- */
-public class KafkaEventBusComponent extends UriEndpointComponent {
-
-  public KafkaEventBusComponent() {
-    super(KafkaEventBusEndpoint.class);
-  }
-
-  public KafkaEventBusComponent(CamelContext context) {
-    super(context, KafkaEventBusEndpoint.class);
-  }
-
- @Override
-  protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters)
-      throws Exception {
-    Endpoint endpoint = new KafkaEventBusEndpoint(uri, this);
-    setProperties(endpoint, parameters);
-    return endpoint;
-  }
-}
diff --git a/src/main/java/org/onap/aai/event/KafkaEventBusEndpoint.java b/src/main/java/org/onap/aai/event/KafkaEventBusEndpoint.java
deleted file mode 100644
index 4194c89..0000000
--- a/src/main/java/org/onap/aai/event/KafkaEventBusEndpoint.java
+++ /dev/null
@@ -1,129 +0,0 @@
-/**
- * ============LICENSE_START=======================================================
- * org.onap.aai
- * ================================================================================
- * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
- * Copyright © 2017-2018 Amdocs
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- */
-package org.onap.aai.event;
-
-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.Metadata;
-import org.apache.camel.spi.UriEndpoint;
-import org.apache.camel.spi.UriParam;
-import org.onap.aai.event.client.KafkaEventConsumer;
-
-/**
- * Represents a EventBus endpoint.
- */
-@UriEndpoint(scheme = "kafka-event-bus", syntax = "kafka-event-bus:name",
-    consumerClass = EventBusConsumer.class, title = "kafka-event-bus")
-public class KafkaEventBusEndpoint extends AbstractEventBusEndpoint {
-  @UriParam(label = "url")
-  @Metadata(required = "true")
-  private String url;
-  @UriParam(label = "eventTopic")
-  @Metadata(required = "true")
-  private String eventTopic;
-  @UriParam(label = "consumerGroup")
-  @Metadata(required = "true")
-  private String consumerGroup;
-  @UriParam(label = "poolSize")
-  @Metadata(required = "true", defaultValue="20")
-  private int poolSize = 20;
-  @UriParam(label = "pollingDelay")
-  @Metadata(required = "true", defaultValue="30000")
-  private int pollingDelay = 30000;
-
-  private KafkaEventConsumer consumer;
-
-  public KafkaEventBusEndpoint(String uri, KafkaEventBusComponent component) {
-    super(uri, component);
-  }
-
-  @Override
-  public Producer createProducer() throws Exception {
-    return new EventBusProducer(this);
-  }
-
-  @Override
-  public Consumer createConsumer(Processor processor) throws Exception {
-    consumer = new KafkaEventConsumer(url, eventTopic, consumerGroup);
-    return new EventBusConsumer(this, processor, consumer);
-  }
-
-  @Override
-  public boolean isSingleton() {
-    return false;
-  }
-
-  public String getUrl() {
-    return url;
-  }
-
-  public void setUrl(String url) {
-    this.url = url;
-  }
-
-  @Override
-  String getEventTopic() {
-    return eventTopic;
-  }
-
-  public void setEventTopic(String eventTopic) {
-    this.eventTopic = eventTopic;
-  }
-
-  public String getConsumerGroup() {
-    return consumerGroup;
-  }
-
-  public void setConsumerGroup(String consumerGroup) {
-    this.consumerGroup = consumerGroup;
-  }
-
-  @Override
-  int getPoolSize() {
-    return poolSize;
-  }
-
-  public void setPoolSize(int poolSize) {
-    this.poolSize = poolSize;
-  }
-
-  @Override
-  void close() {
-    consumer.close();
-  }
-
-  @Override
-  int getPollingDelay() {
-    return pollingDelay;
-  }
-
-  public void setPollingDelay(int pollingDelay) {
-    this.pollingDelay = pollingDelay;
-  }
-
-
-
-
-
-
-}
diff --git a/src/main/resources/META-INF/services/org/apache/camel/component/dmaap-event-bus b/src/main/resources/META-INF/services/org/apache/camel/component/dmaap-event-bus
deleted file mode 100644
index f1fee02..0000000
--- a/src/main/resources/META-INF/services/org/apache/camel/component/dmaap-event-bus
+++ /dev/null
@@ -1 +0,0 @@
-class=org.onap.aai.event.DMaaPEventBusComponent
diff --git a/src/main/resources/META-INF/services/org/apache/camel/component/event-bus b/src/main/resources/META-INF/services/org/apache/camel/component/event-bus
new file mode 100644
index 0000000..f795067
--- /dev/null
+++ b/src/main/resources/META-INF/services/org/apache/camel/component/event-bus
@@ -0,0 +1 @@
+class=org.onap.aai.event.EventBusComponent
diff --git a/src/main/resources/META-INF/services/org/apache/camel/component/kafka-event-bus b/src/main/resources/META-INF/services/org/apache/camel/component/kafka-event-bus
deleted file mode 100644
index 89f243d..0000000
--- a/src/main/resources/META-INF/services/org/apache/camel/component/kafka-event-bus
+++ /dev/null
@@ -1 +0,0 @@
-class=org.onap.aai.event.KafkaEventBusComponent