CAMEL-20888 - Remove Kotlin DSL

Kotlin DSL was deprecated in Camel 4.7
It was not used a lot and it takes a fair part of the build time.

Signed-off-by: Aurélien Pupier <[email protected]>

README.md

@@ -11,7 +11,7 @@
 
 ### Introduction
 
-Camel empowers you to define routing and mediation rules in a variety of domain-specific languages (DSL, such as Java, XML, Groovy, Kotlin, and YAML). This means you get smart completion of routing rules in your IDE, whether in a Java or XML editor.
+Camel empowers you to define routing and mediation rules in a variety of domain-specific languages (DSL, such as Java, XML, Groovy and YAML). This means you get smart completion of routing rules in your IDE, whether in a Java or XML editor.
 
 Apache Camel uses URIs to enable easier integration with all kinds of
 transport or messaging model including HTTP, ActiveMQ, JMS, JBI, SCA, MINA

bom/camel-bom/pom.xml

@@ -1292,16 +1292,6 @@
         <artifactId>camel-knative-http</artifactId>
         <version>4.8.0-SNAPSHOT</version>
       </dependency>
-      <dependency>
-        <groupId>org.apache.camel</groupId>
-        <artifactId>camel-kotlin-api</artifactId>
-        <version>4.8.0-SNAPSHOT</version>
-      </dependency>
-      <dependency>
-        <groupId>org.apache.camel</groupId>
-        <artifactId>camel-kotlin-dsl</artifactId>
-        <version>4.8.0-SNAPSHOT</version>
-      </dependency>
       <dependency>
         <groupId>org.apache.camel</groupId>
         <artifactId>camel-kubernetes</artifactId>

catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/main/camel-main-configuration-metadata.json

@@ -110,7 +110,7 @@
     { "name": "camel.main.shutdownRoutesInReverseOrder", "description": "Sets whether routes should be shutdown in reverse or the same order as they were started.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "boolean", "javaType": "boolean", "defaultValue": true },
     { "name": "camel.main.shutdownSuppressLoggingOnTimeout", "description": "Whether Camel should try to suppress logging during shutdown and timeout was triggered, meaning forced shutdown is happening. And during forced shutdown we want to avoid logging errors\/warnings et all in the logs as a side-effect of the forced timeout. Notice the suppress is a best effort as there may still be some logs coming from 3rd party libraries and whatnot, which Camel cannot control. This option is default false.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "boolean", "javaType": "boolean", "defaultValue": "false" },
     { "name": "camel.main.shutdownTimeout", "description": "Timeout in seconds to graceful shutdown all the Camel routes.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "integer", "javaType": "int", "defaultValue": 45 },
-    { "name": "camel.main.sourceLocationEnabled", "description": "Whether to capture precise source location:line-number for all EIPs in Camel routes. Enabling this will impact parsing Java based routes (also Groovy, Kotlin, etc.) on startup as this uses JDK StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes at runtime.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "boolean", "javaType": "boolean", "defaultValue": "false" },
+    { "name": "camel.main.sourceLocationEnabled", "description": "Whether to capture precise source location:line-number for all EIPs in Camel routes. Enabling this will impact parsing Java based routes (also Groovy etc.) on startup as this uses JDK StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes at runtime.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "boolean", "javaType": "boolean", "defaultValue": "false" },
     { "name": "camel.main.startupRecorder", "description": "To use startup recorder for capturing execution time during starting Camel. The recorder can be one of: false (or off), logging, backlog, java-flight-recorder (or jfr).", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "string", "javaType": "java.lang.String", "enum": [ "false", "off", "java-flight-recorder", "jfr", "logging", "backlog" ] },
     { "name": "camel.main.startupRecorderDir", "description": "Directory to store the recording. By default the current directory will be used. Use false to turn off saving recording to disk.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "string", "javaType": "java.lang.String" },
     { "name": "camel.main.startupRecorderDuration", "description": "How long time to run the startup recorder. Use 0 (default) to keep the recorder running until the JVM is exited. Use -1 to stop the recorder right after Camel has been started (to only focus on potential Camel startup performance bottlenecks) Use a positive value to keep recording for N seconds. When the recorder is stopped then the recording is auto saved to disk (note: save to disk can be disabled by setting startupRecorderDir to false)", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "integer", "javaType": "long" },

catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/others.properties

@@ -22,8 +22,6 @@ js-dsl
 jsh-dsl
 jta
 kamelet-main
-kotlin-api
-kotlin-dsl
 langchain4j-tokenizer
 leveldb
 lra

catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camel-spring.xsd

@@ -17744,9 +17744,9 @@ Sets whether message history is enabled or not. Default value: false
             <xs:documentation xml:lang="en">
 <![CDATA[
 Whether to capture precise source location:line-number for all EIPs in Camel routes. Enabling this will impact parsing
-Java based routes (also Groovy, Kotlin, etc.) on startup as this uses JDK StackTraceElement to calculate the location
-from the Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes
-at runtime. Default value: false
+Java based routes (also Groovy, etc.) on startup as this uses JDK StackTraceElement to calculate the location from the
+Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes at
+runtime. Default value: false
 ]]>
             </xs:documentation>
           </xs:annotation>

components/camel-spring-xml/src/generated/resources/META-INF/org/apache/camel/spring/xml/camelContext.json

@@ -21,7 +21,7 @@
     "traceLoggingFormat": { "index": 6, "kind": "attribute", "displayName": "Trace Logging Format", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "To use a custom tracing logging format. The default format (arrow, routeId, label) is: %-4.4s %-12.12s %-33.33s" },
     "debug": { "index": 7, "kind": "attribute", "displayName": "Debug", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "Sets whether debugging is enabled or not. To use debugging then this must be enabled on startup to be installed in the CamelContext." },
     "messageHistory": { "index": 8, "kind": "attribute", "displayName": "Message History", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "defaultValue": "false", "description": "Sets whether message history is enabled or not." },
-    "sourceLocationEnabled": { "index": 9, "kind": "attribute", "displayName": "Source Location Enabled", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "defaultValue": "false", "description": "Whether to capture precise source location:line-number for all EIPs in Camel routes. Enabling this will impact parsing Java based routes (also Groovy, Kotlin, etc.) on startup as this uses JDK StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes at runtime." },
+    "sourceLocationEnabled": { "index": 9, "kind": "attribute", "displayName": "Source Location Enabled", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "defaultValue": "false", "description": "Whether to capture precise source location:line-number for all EIPs in Camel routes. Enabling this will impact parsing Java based routes (also Groovy, etc.) on startup as this uses JDK StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes at runtime." },
     "logMask": { "index": 10, "kind": "attribute", "displayName": "Log Mask", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "defaultValue": "false", "description": "Sets whether security mask for Logging is enabled or not." },
     "logExhaustedMessageBody": { "index": 11, "kind": "attribute", "displayName": "Log Exhausted Message Body", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "Sets whether to log exhausted message body with message history." },
     "streamCache": { "index": 12, "kind": "attribute", "displayName": "Stream Cache", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "Sets whether stream caching is enabled or not." },

components/camel-spring-xml/src/main/java/org/apache/camel/spring/xml/CamelContextFactoryBean.java

@@ -907,7 +907,7 @@ public String getSourceLocationEnabled() {
     /**
      * Whether to capture precise source location:line-number for all EIPs in Camel routes.
      *
-     * Enabling this will impact parsing Java based routes (also Groovy, Kotlin, etc.) on startup as this uses JDK
+     * Enabling this will impact parsing Java based routes (also Groovy, etc.) on startup as this uses JDK
      * StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only
      * impact startup, not the performance of the routes at runtime.
      */

core/camel-api/src/main/java/org/apache/camel/CamelContext.java

@@ -1280,7 +1280,7 @@ String addRouteFromTemplate(
     /**
      * Whether to capture precise source location:line-number for all EIPs in Camel routes.
      *
-     * Enabling this will impact parsing Java based routes (also Groovy, Kotlin, etc.) on startup as this uses
+     * Enabling this will impact parsing Java based routes (also Groovy, etc.) on startup as this uses
      * {@link StackTraceElement} to calculate the location from the Camel route, which comes with a performance cost.
      * This only impact startup, not the performance of the routes at runtime.
      */
@@ -1289,7 +1289,7 @@ String addRouteFromTemplate(
     /**
      * Whether to capture precise source location:line-number for all EIPs in Camel routes.
      *
-     * Enabling this will impact parsing Java based routes (also Groovy, Kotlin, etc.) on startup as this uses
+     * Enabling this will impact parsing Java based routes (also Groovy, etc.) on startup as this uses
      * {@link StackTraceElement} to calculate the location from the Camel route, which comes with a performance cost.
      * This only impact startup, not the performance of the routes at runtime.
      */

core/camel-core-engine/src/main/docs/modules/eips/pages/choice-eip.adoc

@@ -141,7 +141,7 @@ from("direct:start")
 However, the code will still not compile.
 
 The reason is we have stretched how far we can take the good old Java language in terms of
-xref:manual::dsl.adoc[DSL]. In a more dynamic or modern language such as Kotlin or Groovy
+xref:manual::dsl.adoc[DSL]. In a more dynamic or modern language such as Groovy
 you would be able to let it be stack based, so the `.end()` will pop the last type of the
 stack, and you would return to the scope of the Choice EIP.
 

core/camel-main/src/generated/resources/META-INF/camel-main-configuration-metadata.json

@@ -110,7 +110,7 @@
     { "name": "camel.main.shutdownRoutesInReverseOrder", "description": "Sets whether routes should be shutdown in reverse or the same order as they were started.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "boolean", "javaType": "boolean", "defaultValue": true },
     { "name": "camel.main.shutdownSuppressLoggingOnTimeout", "description": "Whether Camel should try to suppress logging during shutdown and timeout was triggered, meaning forced shutdown is happening. And during forced shutdown we want to avoid logging errors\/warnings et all in the logs as a side-effect of the forced timeout. Notice the suppress is a best effort as there may still be some logs coming from 3rd party libraries and whatnot, which Camel cannot control. This option is default false.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "boolean", "javaType": "boolean", "defaultValue": "false" },
     { "name": "camel.main.shutdownTimeout", "description": "Timeout in seconds to graceful shutdown all the Camel routes.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "integer", "javaType": "int", "defaultValue": 45 },
-    { "name": "camel.main.sourceLocationEnabled", "description": "Whether to capture precise source location:line-number for all EIPs in Camel routes. Enabling this will impact parsing Java based routes (also Groovy, Kotlin, etc.) on startup as this uses JDK StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes at runtime.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "boolean", "javaType": "boolean", "defaultValue": "false" },
+    { "name": "camel.main.sourceLocationEnabled", "description": "Whether to capture precise source location:line-number for all EIPs in Camel routes. Enabling this will impact parsing Java based routes (also Groovy etc.) on startup as this uses JDK StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes at runtime.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "boolean", "javaType": "boolean", "defaultValue": "false" },
     { "name": "camel.main.startupRecorder", "description": "To use startup recorder for capturing execution time during starting Camel. The recorder can be one of: false (or off), logging, backlog, java-flight-recorder (or jfr).", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "string", "javaType": "java.lang.String", "enum": [ "false", "off", "java-flight-recorder", "jfr", "logging", "backlog" ] },
     { "name": "camel.main.startupRecorderDir", "description": "Directory to store the recording. By default the current directory will be used. Use false to turn off saving recording to disk.", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "string", "javaType": "java.lang.String" },
     { "name": "camel.main.startupRecorderDuration", "description": "How long time to run the startup recorder. Use 0 (default) to keep the recorder running until the JVM is exited. Use -1 to stop the recorder right after Camel has been started (to only focus on potential Camel startup performance bottlenecks) Use a positive value to keep recording for N seconds. When the recorder is stopped then the recording is auto saved to disk (note: save to disk can be disabled by setting startupRecorderDir to false)", "sourceType": "org.apache.camel.main.DefaultConfigurationProperties", "type": "integer", "javaType": "long" },

core/camel-main/src/main/docs/main.adoc

@@ -113,7 +113,7 @@ The camel.main supports 121 options, which are listed below.
 | *camel.main.shutdownRoutesIn{zwsp}ReverseOrder* | Sets whether routes should be shutdown in reverse or the same order as they were started. | true | boolean
 | *camel.main.shutdownSuppress{zwsp}LoggingOnTimeout* | Whether Camel should try to suppress logging during shutdown and timeout was triggered, meaning forced shutdown is happening. And during forced shutdown we want to avoid logging errors/warnings et all in the logs as a side-effect of the forced timeout. Notice the suppress is a best effort as there may still be some logs coming from 3rd party libraries and whatnot, which Camel cannot control. This option is default false. | false | boolean
 | *camel.main.shutdownTimeout* | Timeout in seconds to graceful shutdown all the Camel routes. | 45 | int
-| *camel.main.sourceLocation{zwsp}Enabled* | Whether to capture precise source location:line-number for all EIPs in Camel routes. Enabling this will impact parsing Java based routes (also Groovy, Kotlin, etc.) on startup as this uses JDK StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes at runtime. | false | boolean
+| *camel.main.sourceLocation{zwsp}Enabled* | Whether to capture precise source location:line-number for all EIPs in Camel routes. Enabling this will impact parsing Java based routes (also Groovy etc.) on startup as this uses JDK StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only impact startup, not the performance of the routes at runtime. | false | boolean
 | *camel.main.startupRecorder* | To use startup recorder for capturing execution time during starting Camel. The recorder can be one of: false (or off), logging, backlog, java-flight-recorder (or jfr). |  | String
 | *camel.main.startupRecorderDir* | Directory to store the recording. By default the current directory will be used. Use false to turn off saving recording to disk. |  | String
 | *camel.main.startupRecorder{zwsp}Duration* | How long time to run the startup recorder. Use 0 (default) to keep the recorder running until the JVM is exited. Use -1 to stop the recorder right after Camel has been started (to only focus on potential Camel startup performance bottlenecks) Use a positive value to keep recording for N seconds. When the recorder is stopped then the recording is auto saved to disk (note: save to disk can be disabled by setting startupRecorderDir to false) |  | long

core/camel-main/src/main/java/org/apache/camel/main/DefaultConfigurationProperties.java

@@ -708,7 +708,7 @@ public boolean isSourceLocationEnabled() {
     /**
      * Whether to capture precise source location:line-number for all EIPs in Camel routes.
      *
-     * Enabling this will impact parsing Java based routes (also Groovy, Kotlin, etc.) on startup as this uses JDK
+     * Enabling this will impact parsing Java based routes (also Groovy etc.) on startup as this uses JDK
      * StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only
      * impact startup, not the performance of the routes at runtime.
      */
@@ -2003,7 +2003,7 @@ public T withMessageHistory(boolean messageHistory) {
     /**
      * Whether to capture precise source location:line-number for all EIPs in Camel routes.
      *
-     * Enabling this will impact parsing Java based routes (also Groovy, Kotlin, etc.) on startup as this uses JDK
+     * Enabling this will impact parsing Java based routes (also Groovy, etc.) on startup as this uses JDK
      * StackTraceElement to calculate the location from the Camel route, which comes with a performance cost. This only
      * impact startup, not the performance of the routes at runtime.
      */

docs/components/modules/others/nav.adoc

@@ -18,8 +18,6 @@
 *** xref:jsh-dsl.adoc[JavaShell DSL]
 *** xref:java-xml-jaxb-dsl.adoc[Jaxb XML Dsl]
 *** xref:kamelet-main.adoc[Kamelet Main]
-*** xref:kotlin-api.adoc[Kotlin API]
-*** xref:kotlin-dsl.adoc[Kotlin DSL]
 *** xref:java-xml-io-dsl.adoc[XML Io Dsl]
 *** xref:yaml-dsl.adoc[YAML DSL]
 ** xref:elytron.adoc[Elytron]