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Posted to commits@camel.apache.org by ac...@apache.org on 2024/03/13 13:03:47 UTC
(camel) 01/01: CAMEL-20504 - Google Pubsub CloudEvent Transformer
This is an automated email from the ASF dual-hosted git repository.
acosentino pushed a commit to branch CAMEL-20504
in repository https://gitbox.apache.org/repos/asf/camel.git
commit 0b0d41b5ffe7350760e251513740f8b1f253a455
Author: Andrea Cosentino <an...@gmail.com>
AuthorDate: Wed Mar 13 14:02:19 2024 +0100
CAMEL-20504 - Google Pubsub CloudEvent Transformer
Signed-off-by: Andrea Cosentino <an...@gmail.com>
---
.../apache/camel/catalog/transformers.properties | 1 +
.../google-pubsub-application-cloudevents.json | 14 ++++++
.../camel-google/camel-google-pubsub/pom.xml | 9 ++++
.../org/apache/camel/transformer.properties | 7 +++
.../google-pubsub-application-cloudevents | 2 +
.../google-pubsub-application-cloudevents.json | 14 ++++++
.../GooglePubsubCloudEventDataTypeTransformer.java | 56 ++++++++++++++++++++++
7 files changed, 103 insertions(+)
diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/transformers.properties b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/transformers.properties
index 16afe3fe2c9..c29b8c75b35 100644
--- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/transformers.properties
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/transformers.properties
@@ -19,6 +19,7 @@ azure-servicebus-application-cloudevents
azure-storage-blob-application-cloudevents
azure-storage-datalake-application-cloudevents
azure-storage-queue-application-cloudevents
+google-pubsub-application-cloudevents
google-sheets-application-x-struct
google-storage-application-cloudevents
http-application-cloudevents
diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/transformers/google-pubsub-application-cloudevents.json b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/transformers/google-pubsub-application-cloudevents.json
new file mode 100644
index 00000000000..2d34c1f1790
--- /dev/null
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/transformers/google-pubsub-application-cloudevents.json
@@ -0,0 +1,14 @@
+{
+ "transformer": {
+ "kind": "transformer",
+ "name": "google-pubsub:application-cloudevents",
+ "title": "Google Pubsub (Application Cloudevents)",
+ "description": "Adds CloudEvent headers to the Camel message with Google Pubsub Pulling information",
+ "deprecated": false,
+ "javaType": "org.apache.camel.component.google.pubsub.transform.GooglePubsubCloudEventDataTypeTransformer",
+ "groupId": "org.apache.camel",
+ "artifactId": "camel-google-pubsub",
+ "version": "4.5.0-SNAPSHOT"
+ }
+}
+
diff --git a/components/camel-google/camel-google-pubsub/pom.xml b/components/camel-google/camel-google-pubsub/pom.xml
index 9a50c1c56a7..5032389cd42 100644
--- a/components/camel-google/camel-google-pubsub/pom.xml
+++ b/components/camel-google/camel-google-pubsub/pom.xml
@@ -73,6 +73,15 @@
</exclusion>
</exclusions>
</dependency>
+
+ <!-- optional CloudEvent support -->
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-cloudevents</artifactId>
+ <scope>provided</scope>
+ <optional>true</optional>
+ </dependency>
+
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-test-junit5</artifactId>
diff --git a/components/camel-google/camel-google-pubsub/src/generated/resources/META-INF/services/org/apache/camel/transformer.properties b/components/camel-google/camel-google-pubsub/src/generated/resources/META-INF/services/org/apache/camel/transformer.properties
new file mode 100644
index 00000000000..6d9d1931b2e
--- /dev/null
+++ b/components/camel-google/camel-google-pubsub/src/generated/resources/META-INF/services/org/apache/camel/transformer.properties
@@ -0,0 +1,7 @@
+# Generated by camel build tools - do NOT edit this file!
+transformers=google-pubsub:application-cloudevents
+groupId=org.apache.camel
+artifactId=camel-google-pubsub
+version=4.5.0-SNAPSHOT
+projectName=Camel :: Google :: PubSub
+projectDescription=Camel Component for Google Cloud Platform PubSub
diff --git a/components/camel-google/camel-google-pubsub/src/generated/resources/META-INF/services/org/apache/camel/transformer/google-pubsub-application-cloudevents b/components/camel-google/camel-google-pubsub/src/generated/resources/META-INF/services/org/apache/camel/transformer/google-pubsub-application-cloudevents
new file mode 100644
index 00000000000..f2376c60d11
--- /dev/null
+++ b/components/camel-google/camel-google-pubsub/src/generated/resources/META-INF/services/org/apache/camel/transformer/google-pubsub-application-cloudevents
@@ -0,0 +1,2 @@
+# Generated by camel build tools - do NOT edit this file!
+class=org.apache.camel.component.google.pubsub.transform.GooglePubsubCloudEventDataTypeTransformer
diff --git a/components/camel-google/camel-google-pubsub/src/generated/resources/META-INF/services/org/apache/camel/transformer/google-pubsub-application-cloudevents.json b/components/camel-google/camel-google-pubsub/src/generated/resources/META-INF/services/org/apache/camel/transformer/google-pubsub-application-cloudevents.json
new file mode 100644
index 00000000000..2d34c1f1790
--- /dev/null
+++ b/components/camel-google/camel-google-pubsub/src/generated/resources/META-INF/services/org/apache/camel/transformer/google-pubsub-application-cloudevents.json
@@ -0,0 +1,14 @@
+{
+ "transformer": {
+ "kind": "transformer",
+ "name": "google-pubsub:application-cloudevents",
+ "title": "Google Pubsub (Application Cloudevents)",
+ "description": "Adds CloudEvent headers to the Camel message with Google Pubsub Pulling information",
+ "deprecated": false,
+ "javaType": "org.apache.camel.component.google.pubsub.transform.GooglePubsubCloudEventDataTypeTransformer",
+ "groupId": "org.apache.camel",
+ "artifactId": "camel-google-pubsub",
+ "version": "4.5.0-SNAPSHOT"
+ }
+}
+
diff --git a/components/camel-google/camel-google-pubsub/src/main/java/org/apache/camel/component/google/pubsub/transform/GooglePubsubCloudEventDataTypeTransformer.java b/components/camel-google/camel-google-pubsub/src/main/java/org/apache/camel/component/google/pubsub/transform/GooglePubsubCloudEventDataTypeTransformer.java
new file mode 100644
index 00000000000..2c455f5c76e
--- /dev/null
+++ b/components/camel-google/camel-google-pubsub/src/main/java/org/apache/camel/component/google/pubsub/transform/GooglePubsubCloudEventDataTypeTransformer.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.google.pubsub.transform;
+
+import java.util.Map;
+
+import org.apache.camel.Message;
+import org.apache.camel.component.cloudevents.CloudEvent;
+import org.apache.camel.component.cloudevents.CloudEvents;
+import org.apache.camel.component.google.pubsub.GooglePubsubConstants;
+import org.apache.camel.spi.DataType;
+import org.apache.camel.spi.DataTypeTransformer;
+import org.apache.camel.spi.Transformer;
+
+/**
+ * Output data type represents Google Pubsub Pulling response as CloudEvent V1. The data type sets Camel specific
+ * CloudEvent headers on the exchange.
+ */
+@DataTypeTransformer(name = "google-pubsub:application-cloudevents",
+ description = "Adds CloudEvent headers to the Camel message with Google Pubsub Pulling information")
+public class GooglePubsubCloudEventDataTypeTransformer extends Transformer {
+
+ @Override
+ public void transform(Message message, DataType fromType, DataType toType) {
+ final Map<String, Object> headers = message.getHeaders();
+
+ CloudEvent cloudEvent = CloudEvents.v1_0;
+ headers.putIfAbsent(CloudEvents.CAMEL_CLOUD_EVENT_ID, message.getExchange().getExchangeId());
+ headers.putIfAbsent(CloudEvent.CAMEL_CLOUD_EVENT_VERSION, cloudEvent.version());
+ headers.put(CloudEvents.CAMEL_CLOUD_EVENT_TYPE, "org.apache.camel.event.google.pubsub.pull");
+
+ if (message.getHeaders().containsKey(GooglePubsubConstants.ACK_ID)) {
+ headers.put(CloudEvents.CAMEL_CLOUD_EVENT_SOURCE,
+ "google.pubsub." + message.getHeader(GooglePubsubConstants.ACK_ID, String.class));
+ }
+
+ headers.put(CloudEvents.CAMEL_CLOUD_EVENT_SUBJECT, message.getHeader(GooglePubsubConstants.MESSAGE_ID, String.class));
+ headers.put(CloudEvents.CAMEL_CLOUD_EVENT_TIME, cloudEvent.getEventTime(message.getExchange()));
+ headers.put(CloudEvents.CAMEL_CLOUD_EVENT_CONTENT_TYPE, CloudEvents.APPLICATION_OCTET_STREAM_MIME_TYPE);
+ }
+}