[camel-spring-boot] 01/01: CAMEL-19181: camel-mapstructor - Trigger creating mapstruct component without a component is in use in Camel routes as the component can be used for type converters only.

[da...@apache.org]

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davsclaus pushed a commit to branch mapstruct
in repository https://gitbox.apache.org/repos/asf/camel-spring-boot.git

commit 64c65753faf32b3bcf95e9ffbc43ebd60a720d67
Author: Claus Ibsen <cl...@gmail.com>
AuthorDate: Thu Mar 23 11:37:32 2023 +0100

    CAMEL-19181: camel-mapstructor - Trigger creating mapstruct component without a component is in use in Camel routes as the component can be used for type converters only.
---
 .../MapstructMappingAutoConfiguration.java         | 71 ++++++++++++++++++++++
 ...rk.boot.autoconfigure.AutoConfiguration.imports |  1 +
 2 files changed, 72 insertions(+)

diff --git a/components-starter/camel-mapstruct-starter/src/main/java/org/apache/camel/component/mapstruct/springboot/MapstructMappingAutoConfiguration.java b/components-starter/camel-mapstruct-starter/src/main/java/org/apache/camel/component/mapstruct/springboot/MapstructMappingAutoConfiguration.java
new file mode 100644
index 00000000000..2be5c533a24
--- /dev/null
+++ b/components-starter/camel-mapstruct-starter/src/main/java/org/apache/camel/component/mapstruct/springboot/MapstructMappingAutoConfiguration.java
@@ -0,0 +1,71 @@
+/*
+ * 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.mapstruct.springboot;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.ExtendedStartupListener;
+import org.apache.camel.spi.CamelContextCustomizer;
+import org.apache.camel.spring.boot.CamelAutoConfiguration;
+import org.apache.camel.spring.boot.ComponentConfigurationProperties;
+import org.apache.camel.spring.boot.util.ConditionalOnCamelContextAndAutoConfigurationBeans;
+import org.apache.camel.spring.boot.util.ConditionalOnHierarchicalProperties;
+import org.springframework.boot.autoconfigure.AutoConfigureAfter;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Conditional;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration(proxyBeanMethods = false)
+@Conditional(ConditionalOnCamelContextAndAutoConfigurationBeans.class)
+@EnableConfigurationProperties({ComponentConfigurationProperties.class,MapstructComponentConfiguration.class})
+@ConditionalOnHierarchicalProperties({"camel.component", "camel.component.mapstruct"})
+@ConditionalOnProperty(prefix = "camel.component.mapstruct", name = "enabled", havingValue = "true", matchIfMissing = true)
+@AutoConfigureAfter({CamelAutoConfiguration.class, MapstructComponentAutoConfiguration.class})
+public class MapstructMappingAutoConfiguration {
+
+    @Bean
+    CamelContextCustomizer registerMapstructComponent(CamelContext context) throws Exception {
+        context.addStartupListener(new ExtendedStartupListener() {
+            @Override
+            public void onCamelContextStarting(CamelContext context, boolean alreadyStarted) throws Exception {
+                // we want mapstruct to be automatically created and initialize via spring boot auto-configuation
+                // so we need to force this via camel context, and do this without causing circular dependency creation
+                // problems with spring boot
+                if (context.hasComponent("mapstruct") == null) {
+                    context.getComponent("mapstruct");
+                }
+            }
+
+            @Override
+            public void onCamelContextStarted(CamelContext context, boolean alreadyStarted) throws Exception {
+                // noop
+            }
+
+            @Override
+            public void onCamelContextFullyStarted(CamelContext context, boolean alreadyStarted) throws Exception {
+                // noop
+            }
+        });
+        return new CamelContextCustomizer() {
+            @Override
+            public void configure(CamelContext camelContext) {
+                // empty not in use
+            }
+        };
+    }
+}
diff --git a/components-starter/camel-mapstruct-starter/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports b/components-starter/camel-mapstruct-starter/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports
index 038f2eb5bf4..678416bd5b6 100644
--- a/components-starter/camel-mapstruct-starter/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports
+++ b/components-starter/camel-mapstruct-starter/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports
@@ -17,3 +17,4 @@
 
 org.apache.camel.component.mapstruct.springboot.MapstructComponentConverter
 org.apache.camel.component.mapstruct.springboot.MapstructComponentAutoConfiguration
+org.apache.camel.component.mapstruct.springboot.MapstructMappingAutoConfiguration