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new 7aea258 CAMEL-15731: Add support for InOnly exchange pattern to
camel-mllp (#4552)
7aea258 is described below
commit 7aea258261fcf791227d3872faf44d6f017ab4d9
Author: rafaljaw <42240185+rafal...@users.noreply.github.com>
AuthorDate: Tue Nov 3 07:24:14 2020 +0100
CAMEL-15731: Add support for InOnly exchange pattern to camel-mllp (#4552)
* CAMEL-15731: Add support for InOnly exchange pattern to camel-mllp
* CAMEL-15731: Code review changes
* CAMEL-15731: Regenerate documentation for camel-mllp
Co-authored-by: Rafal Jaworski <rafal.jawor...@inveox.com>
---
.../apache/camel/catalog/docs/mllp-component.adoc | 7 +-
.../camel-mllp/src/main/docs/mllp-component.adoc | 7 +-
.../component/mllp/MllpTcpClientProducer.java | 7 +-
.../component/mllp/MllpTcpServerConsumer.java | 35 ++++----
.../MllpProducerConsumerLoopbackInOnlyTest.java | 91 +++++++++++++++++++
...wledgementWithBridgeErrorHandlerInOnlyTest.java | 100 +++++++++++++++++++++
...cpServerConsumerAcknowledgementTestSupport.java | 11 ++-
.../modules/ROOT/pages/mllp-component.adoc | 7 +-
8 files changed, 239 insertions(+), 26 deletions(-)
diff --git
a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/docs/mllp-component.adoc
b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/docs/mllp-component.adoc
index a0a558d..099ff34 100644
---
a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/docs/mllp-component.adoc
+++
b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/docs/mllp-component.adoc
@@ -146,7 +146,9 @@ HL7 Acknowledgement (HL7 Application Acknowledgements only
- AA, AE and
AR), or the acknowledgement can be specified using
the CamelMllpAcknowledgement exchange property. Additionally, the type
of acknowledgement that will be generated can be controlled by setting
-the CamelMllpAcknowledgementType exchange property.
+the CamelMllpAcknowledgementType exchange property. The MLLP Consumer
+can read messages without sending any HL7 Acknowledgement if the
+automatic acknowledgement is disabled and exchange pattern is InOnly.
== *Message Headers*
@@ -204,7 +206,8 @@ The MLLP Producer supports sending MLLP-framed messages and
receiving
HL7 Acknowledgements. The MLLP Producer interrogates the HL7
Acknowledgments and raises exceptions if a negative acknowledgement is
received. The received acknowledgement is interrogated and an exception
-is raised in the event of a negative acknowledgement.
+is raised in the event of a negative acknowledgement. The MLLP Producer
+can ignore acknowledgements when configured with InOnly exchange pattern.
== *Message Headers*
diff --git a/components/camel-mllp/src/main/docs/mllp-component.adoc
b/components/camel-mllp/src/main/docs/mllp-component.adoc
index a0a558d..099ff34 100644
--- a/components/camel-mllp/src/main/docs/mllp-component.adoc
+++ b/components/camel-mllp/src/main/docs/mllp-component.adoc
@@ -146,7 +146,9 @@ HL7 Acknowledgement (HL7 Application Acknowledgements only
- AA, AE and
AR), or the acknowledgement can be specified using
the CamelMllpAcknowledgement exchange property. Additionally, the type
of acknowledgement that will be generated can be controlled by setting
-the CamelMllpAcknowledgementType exchange property.
+the CamelMllpAcknowledgementType exchange property. The MLLP Consumer
+can read messages without sending any HL7 Acknowledgement if the
+automatic acknowledgement is disabled and exchange pattern is InOnly.
== *Message Headers*
@@ -204,7 +206,8 @@ The MLLP Producer supports sending MLLP-framed messages and
receiving
HL7 Acknowledgements. The MLLP Producer interrogates the HL7
Acknowledgments and raises exceptions if a negative acknowledgement is
received. The received acknowledgement is interrogated and an exception
-is raised in the event of a negative acknowledgement.
+is raised in the event of a negative acknowledgement. The MLLP Producer
+can ignore acknowledgements when configured with InOnly exchange pattern.
== *Message Headers*
diff --git
a/components/camel-mllp/src/main/java/org/apache/camel/component/mllp/MllpTcpClientProducer.java
b/components/camel-mllp/src/main/java/org/apache/camel/component/mllp/MllpTcpClientProducer.java
index c247ee7..160ee6a 100644
---
a/components/camel-mllp/src/main/java/org/apache/camel/component/mllp/MllpTcpClientProducer.java
+++
b/components/camel-mllp/src/main/java/org/apache/camel/component/mllp/MllpTcpClientProducer.java
@@ -29,6 +29,7 @@ import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import org.apache.camel.Exchange;
+import org.apache.camel.ExchangePattern;
import org.apache.camel.Message;
import org.apache.camel.api.management.ManagedAttribute;
import org.apache.camel.api.management.ManagedOperation;
@@ -193,7 +194,11 @@ public class MllpTcpClientProducer extends DefaultProducer
implements Runnable {
mllpBuffer.resetSocket(socket);
}
}
-
+ if (getConfiguration().getExchangePattern() ==
ExchangePattern.InOnly) {
+ log.debug("process({}) [{}] - not checking acknowledgement
from external system",
+ exchange.getExchangeId(), socket);
+ return;
+ }
if (exchange.getException() == null) {
log.debug("process({}) [{}] - reading acknowledgement from
external system", exchange.getExchangeId(), socket);
try {
diff --git
a/components/camel-mllp/src/main/java/org/apache/camel/component/mllp/MllpTcpServerConsumer.java
b/components/camel-mllp/src/main/java/org/apache/camel/component/mllp/MllpTcpServerConsumer.java
index 0702678..d43c356 100644
---
a/components/camel-mllp/src/main/java/org/apache/camel/component/mllp/MllpTcpServerConsumer.java
+++
b/components/camel-mllp/src/main/java/org/apache/camel/component/mllp/MllpTcpServerConsumer.java
@@ -411,22 +411,25 @@ public class MllpTcpServerConsumer extends
DefaultConsumer {
boolean autoAck =
exchange.getProperty(MllpConstants.MLLP_AUTO_ACKNOWLEDGE, true, boolean.class);
if (!autoAck) {
- Object acknowledgementBytesProperty =
exchange.getProperty(MllpConstants.MLLP_ACKNOWLEDGEMENT);
- Object acknowledgementStringProperty =
exchange.getProperty(MllpConstants.MLLP_ACKNOWLEDGEMENT_STRING);
- final String exceptionMessage = (acknowledgementBytesProperty
== null && acknowledgementStringProperty == null)
- ? "Automatic Acknowledgement is disabled and the "
- + MllpConstants.MLLP_ACKNOWLEDGEMENT + " and " +
MllpConstants.MLLP_ACKNOWLEDGEMENT_STRING
- + " exchange properties are null"
- : "Automatic Acknowledgement is disabled and neither
the "
- + MllpConstants.MLLP_ACKNOWLEDGEMENT + "(type = "
- +
acknowledgementBytesProperty.getClass().getSimpleName() + ") nor the"
- + MllpConstants.MLLP_ACKNOWLEDGEMENT_STRING + "(type
= "
- +
acknowledgementBytesProperty.getClass().getSimpleName()
- + ") exchange properties can be converted to byte[]";
- MllpInvalidAcknowledgementException invalidAckEx = new
MllpInvalidAcknowledgementException(
- exceptionMessage, originalHl7MessageBytes,
acknowledgementMessageBytes);
-
exchange.setProperty(MllpConstants.MLLP_ACKNOWLEDGEMENT_EXCEPTION,
invalidAckEx);
- getExceptionHandler().handleException(invalidAckEx);
+ if (getConfiguration().getExchangePattern() ==
ExchangePattern.InOut) {
+ Object acknowledgementBytesProperty =
exchange.getProperty(MllpConstants.MLLP_ACKNOWLEDGEMENT);
+ Object acknowledgementStringProperty =
exchange.getProperty(MllpConstants.MLLP_ACKNOWLEDGEMENT_STRING);
+ final String exceptionMessage
+ = (acknowledgementBytesProperty == null &&
acknowledgementStringProperty == null)
+ ? "Automatic Acknowledgement is disabled
and the "
+ + MllpConstants.MLLP_ACKNOWLEDGEMENT + "
and " + MllpConstants.MLLP_ACKNOWLEDGEMENT_STRING
+ + " exchange properties are null"
+ : "Automatic Acknowledgement is disabled
and neither the "
+ + MllpConstants.MLLP_ACKNOWLEDGEMENT +
"(type = "
+ +
acknowledgementBytesProperty.getClass().getSimpleName() + ") nor the"
+ +
MllpConstants.MLLP_ACKNOWLEDGEMENT_STRING + "(type = "
+ +
acknowledgementBytesProperty.getClass().getSimpleName()
+ + ") exchange properties can be
converted to byte[]";
+ MllpInvalidAcknowledgementException invalidAckEx = new
MllpInvalidAcknowledgementException(
+ exceptionMessage, originalHl7MessageBytes,
acknowledgementMessageBytes);
+
exchange.setProperty(MllpConstants.MLLP_ACKNOWLEDGEMENT_EXCEPTION,
invalidAckEx);
+ getExceptionHandler().handleException(invalidAckEx);
+ }
} else {
String acknowledgmentTypeProperty =
exchange.getProperty(MllpConstants.MLLP_ACKNOWLEDGEMENT_TYPE, String.class);
String msa3 =
exchange.getProperty(MllpConstants.MLLP_ACKNOWLEDGEMENT_MSA_TEXT, String.class);
diff --git
a/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/MllpProducerConsumerLoopbackInOnlyTest.java
b/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/MllpProducerConsumerLoopbackInOnlyTest.java
new file mode 100644
index 0000000..cc30aa8
--- /dev/null
+++
b/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/MllpProducerConsumerLoopbackInOnlyTest.java
@@ -0,0 +1,91 @@
+/*
+ * 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.mllp;
+
+import java.util.concurrent.TimeUnit;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.EndpointInject;
+import org.apache.camel.ProducerTemplate;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.impl.DefaultCamelContext;
+import org.apache.camel.test.AvailablePortFinder;
+import org.apache.camel.test.junit5.CamelTestSupport;
+import org.apache.camel.test.mllp.Hl7TestMessageGenerator;
+import org.hamcrest.CoreMatchers;
+import org.junit.jupiter.api.Test;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+
+public class MllpProducerConsumerLoopbackInOnlyTest extends CamelTestSupport {
+
+ @EndpointInject("direct://source")
+ ProducerTemplate source;
+
+ @EndpointInject("mock://received-and-processed")
+ MockEndpoint receivedAndProcessed;
+
+ @Override
+ protected CamelContext createCamelContext() throws Exception {
+ DefaultCamelContext context = (DefaultCamelContext)
super.createCamelContext();
+
+ context.setUseMDCLogging(false);
+ context.setName(this.getClass().getSimpleName());
+
+ return context;
+ }
+
+ @Override
+ protected RouteBuilder[] createRouteBuilders() throws Exception {
+ String mllpHost = "localhost";
+ int mllpPort = AvailablePortFinder.getNextAvailable();
+
+ return new RouteBuilder[] {
+ new RouteBuilder() {
+
+ @Override
+ public void configure() {
+
fromF("mllp://%s:%d?autoAck=false&exchangePattern=InOnly", mllpHost, mllpPort)
+ .convertBodyTo(String.class)
+ .to(receivedAndProcessed);
+ }
+ },
+
+ new RouteBuilder() {
+
+ @Override
+ public void configure() {
+ from(source.getDefaultEndpoint())
+ .toF("mllp://%s:%d?exchangePattern=InOnly",
mllpHost, mllpPort)
+
.setBody(header(MllpConstants.MLLP_ACKNOWLEDGEMENT));
+ }
+ }
+ };
+ }
+
+ @Test
+ public void testLoopbackWithOneMessage() throws Exception {
+ String testMessage = Hl7TestMessageGenerator.generateMessage();
+ receivedAndProcessed.expectedBodiesReceived(testMessage);
+
+ String acknowledgement = source.requestBody((Object) testMessage,
String.class);
+ assertThat("Should receive no acknowledgment for message 1",
acknowledgement, CoreMatchers.nullValue());
+
+ assertMockEndpointsSatisfied(60, TimeUnit.SECONDS);
+ }
+}
diff --git
a/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/MllpTcpServerConsumerManualAcknowledgementWithBridgeErrorHandlerInOnlyTest.java
b/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/MllpTcpServerConsumerManualAcknowledgementWithBridgeErrorHandlerInOnlyTest.java
new file mode 100644
index 0000000..a9e4a91
--- /dev/null
+++
b/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/MllpTcpServerConsumerManualAcknowledgementWithBridgeErrorHandlerInOnlyTest.java
@@ -0,0 +1,100 @@
+/*
+ * 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.mllp;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.ExchangePattern;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+public class
MllpTcpServerConsumerManualAcknowledgementWithBridgeErrorHandlerInOnlyTest
+ extends TcpServerConsumerAcknowledgementTestSupport {
+
+ @Override
+ protected boolean isBridgeErrorHandler() {
+ return true;
+ }
+
+ @Override
+ protected boolean isAutoAck() {
+ return false;
+ }
+
+ @Override
+ protected ExchangePattern exchangePattern() {
+ return ExchangePattern.InOnly;
+ }
+
+ @Test
+ public void testReceiveSingleMessage() throws Exception {
+ result.expectedBodiesReceived(TEST_MESSAGE);
+ complete.expectedBodiesReceived(TEST_MESSAGE);
+
+ receiveSingleMessage();
+
+ Exchange completeExchange = complete.getReceivedExchanges().get(0);
+
+
assertNull(completeExchange.getIn().getHeader(MllpConstants.MLLP_ACKNOWLEDGEMENT));
+
assertNull(completeExchange.getIn().getHeader(MllpConstants.MLLP_ACKNOWLEDGEMENT_STRING));
+ }
+
+ @Test
+ public void testUnparsableMessage() throws Exception {
+ final String testMessage = "MSH" + TEST_MESSAGE;
+
+ result.expectedBodiesReceived(testMessage);
+ complete.expectedMessageCount(1);
+
+ unparsableMessage(testMessage);
+
+
assertNull(result.getReceivedExchanges().get(0).getProperty(Exchange.EXCEPTION_CAUGHT),
+ "Should not have the exception in the exchange property");
+
assertNull(complete.getReceivedExchanges().get(0).getProperty(Exchange.EXCEPTION_CAUGHT),
+ "Should not have the exception in the exchange property");
+ }
+
+ @Test
+ public void testMessageWithEmptySegment() throws Exception {
+ final String testMessage = TEST_MESSAGE.replace("\rPID|", "\r\rPID|");
+
+ result.expectedBodiesReceived(testMessage);
+ complete.expectedMessageCount(1);
+
+ unparsableMessage(testMessage);
+
+
assertNull(result.getReceivedExchanges().get(0).getProperty(Exchange.EXCEPTION_CAUGHT),
+ "Should not have the exception in the exchange property");
+
assertNull(complete.getReceivedExchanges().get(0).getProperty(Exchange.EXCEPTION_CAUGHT),
+ "Should not have the exception in the exchange property");
+ }
+
+ @Test
+ public void testMessageWithEmbeddedNewlines() throws Exception {
+ final String testMessage = TEST_MESSAGE.replace("\rPID|",
"\r\n\rPID|\n");
+
+ result.expectedBodiesReceived(testMessage);
+ complete.expectedMessageCount(1);
+
+ unparsableMessage(testMessage);
+
+
assertNull(result.getReceivedExchanges().get(0).getProperty(Exchange.EXCEPTION_CAUGHT),
+ "Should not have the exception in the exchange property");
+
assertNull(complete.getReceivedExchanges().get(0).getProperty(Exchange.EXCEPTION_CAUGHT),
+ "Should not have the exception in the exchange property");
+ }
+}
diff --git
a/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/TcpServerConsumerAcknowledgementTestSupport.java
b/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/TcpServerConsumerAcknowledgementTestSupport.java
index a83e9e5..2dad764 100644
---
a/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/TcpServerConsumerAcknowledgementTestSupport.java
+++
b/components/camel-mllp/src/test/java/org/apache/camel/component/mllp/TcpServerConsumerAcknowledgementTestSupport.java
@@ -20,6 +20,7 @@ import java.util.concurrent.TimeUnit;
import org.apache.camel.CamelContext;
import org.apache.camel.EndpointInject;
+import org.apache.camel.ExchangePattern;
import org.apache.camel.LoggingLevel;
import org.apache.camel.builder.NotifyBuilder;
import org.apache.camel.builder.RouteBuilder;
@@ -110,9 +111,9 @@ public abstract class
TcpServerConsumerAcknowledgementTestSupport extends CamelT
.log(LoggingLevel.INFO, routeId, "Test route complete")
.to("mock://on-failure-only");
-
fromF("mllp://%s:%d?bridgeErrorHandler=%b&autoAck=%b&connectTimeout=%d&receiveTimeout=%d",
- mllpClient.getMllpHost(), mllpClient.getMllpPort(),
isBridgeErrorHandler(), isAutoAck(), connectTimeout,
- responseTimeout)
+
fromF("mllp://%s:%d?bridgeErrorHandler=%b&autoAck=%b&exchangePattern=%s&connectTimeout=%d&receiveTimeout=%d",
+ mllpClient.getMllpHost(), mllpClient.getMllpPort(),
isBridgeErrorHandler(), isAutoAck(),
+ exchangePattern(), connectTimeout, responseTimeout)
.routeId(routeId)
.to(result);
}
@@ -123,6 +124,10 @@ public abstract class
TcpServerConsumerAcknowledgementTestSupport extends CamelT
protected abstract boolean isAutoAck();
+ protected ExchangePattern exchangePattern() {
+ return ExchangePattern.InOut;
+ }
+
public void receiveSingleMessage() throws Exception {
NotifyBuilder done = new NotifyBuilder(context).whenDone(1).create();
diff --git a/docs/components/modules/ROOT/pages/mllp-component.adoc
b/docs/components/modules/ROOT/pages/mllp-component.adoc
index 27b3c6b..d282b74 100644
--- a/docs/components/modules/ROOT/pages/mllp-component.adoc
+++ b/docs/components/modules/ROOT/pages/mllp-component.adoc
@@ -148,7 +148,9 @@ HL7 Acknowledgement (HL7 Application Acknowledgements only
- AA, AE and
AR), or the acknowledgement can be specified using
the CamelMllpAcknowledgement exchange property. Additionally, the type
of acknowledgement that will be generated can be controlled by setting
-the CamelMllpAcknowledgementType exchange property.
+the CamelMllpAcknowledgementType exchange property. The MLLP Consumer
+can read messages without sending any HL7 Acknowledgement if the
+automatic acknowledgement is disabled and exchange pattern is InOnly.
== *Message Headers*
@@ -206,7 +208,8 @@ The MLLP Producer supports sending MLLP-framed messages and
receiving
HL7 Acknowledgements. The MLLP Producer interrogates the HL7
Acknowledgments and raises exceptions if a negative acknowledgement is
received. The received acknowledgement is interrogated and an exception
-is raised in the event of a negative acknowledgement.
+is raised in the event of a negative acknowledgement. The MLLP Producer
+can ignore acknowledgements when configured with InOnly exchange pattern.
== *Message Headers*
