runtime: simplify loader development

runtime/camel-k-runtime-core/src/main/java/org/apache/camel/k/RoutesLoader.java

@@ -26,7 +26,7 @@ public interface RoutesLoader {
      *
      * @return the supported languages.
      */
-    List<Language> getSupportedLanguages();
+    List<String> getSupportedLanguages();
 
     /**
      * Creates a camel {@link RouteBuilder} from the given resource.

runtime/camel-k-runtime-core/src/main/java/org/apache/camel/k/Source.java

@@ -24,10 +24,10 @@
 
 public class Source {
     private final String location;
-    private final Language language;
+    private final String language;
     private final boolean compressed;
 
-    private Source(String location, Language language, boolean compression) {
+    private Source(String location, String language, boolean compression) {
         this.location = location;
         this.language = language;
         this.compressed = compression;
@@ -37,7 +37,7 @@ public String getLocation() {
         return location;
     }
 
-    public Language getLanguage() {
+    public String getLanguage() {
         return language;
     }
 
@@ -68,9 +68,15 @@ public static Source create(String uri) throws Exception {
         final String languageName = (String) params.get("language");
         final boolean compression = Boolean.valueOf((String) params.get("compression"));
 
-        Language language = ObjectHelper.isNotEmpty(languageName)
-            ? Language.fromLanguageName(languageName)
-            : Language.fromLocation(location);
+        String language = languageName;
+        if (ObjectHelper.isEmpty(language)) {
+            language = StringUtils.substringAfterLast(location, ":");
+            language = StringUtils.substringAfterLast(language, ".");
+        }
+        if (ObjectHelper.isEmpty(language)) {
+            throw new IllegalArgumentException("Unknown language " + language);
+        }
+
 
         return new Source(location, language, compression);
     }

runtime/camel-k-runtime-core/src/main/java/org/apache/camel/k/support/RuntimeSupport.java

@@ -126,7 +126,7 @@ public static RoutesLoader lookupLoaderFromResource(CamelContext context, Source
 
         try {
             finder = context.getFactoryFinder(Constants.ROUTES_LOADER_RESOURCE_PATH);
-            loader = (RoutesLoader)finder.newInstance(source.getLanguage().getId());
+            loader = (RoutesLoader)finder.newInstance(source.getLanguage());
         } catch (NoFactoryAvailableException e) {
             throw new IllegalArgumentException("Unable to find loader for: " + source, e);
         }

runtime/camel-k-runtime-groovy/src/main/groovy/org/apache/camel/k/groovy/GroovyRoutesLoader.groovy

@@ -16,20 +16,18 @@
  */
 package org.apache.camel.k.groovy
 
-
 import org.apache.camel.builder.RouteBuilder
-import org.apache.camel.k.Language
 import org.apache.camel.k.RoutesLoader
 import org.apache.camel.k.RuntimeRegistry
 import org.apache.camel.k.Source
-import org.apache.camel.k.support.URIResolver
 import org.apache.camel.k.groovy.dsl.IntegrationConfiguration
+import org.apache.camel.k.support.URIResolver
 import org.codehaus.groovy.control.CompilerConfiguration
 
 class GroovyRoutesLoader implements RoutesLoader {
     @Override
-    List<Language> getSupportedLanguages() {
-        return Collections.singletonList(Language.Groovy)
+    List<String> getSupportedLanguages() {
+        return Collections.singletonList("groovy")
     }
 
     @Override

runtime/camel-k-runtime-jvm/src/main/java/org/apache/camel/k/jvm/loader/JavaClassLoader.java

@@ -1,20 +1,35 @@
+/**
+ * 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.k.jvm.loader;
 
 import java.util.Collections;
 import java.util.List;
 
 import org.apache.camel.builder.RouteBuilder;
 import org.apache.camel.k.Constants;
-import org.apache.camel.k.Language;
 import org.apache.camel.k.RoutesLoader;
 import org.apache.camel.k.RuntimeRegistry;
 import org.apache.camel.k.Source;
 import org.apache.commons.lang3.StringUtils;
 
 public class JavaClassLoader implements RoutesLoader {
     @Override
-    public List<Language> getSupportedLanguages() {
-        return Collections.singletonList(Language.JavaClass);
+    public List<String> getSupportedLanguages() {
+        return Collections.singletonList("class");
     }
 
     @Override

runtime/camel-k-runtime-jvm/src/main/java/org/apache/camel/k/jvm/loader/JavaScriptLoader.java

@@ -1,3 +1,19 @@
+/**
+ * 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.k.jvm.loader;
 
 import java.io.InputStream;
@@ -13,20 +29,19 @@
 
 import org.apache.camel.CamelContext;
 import org.apache.camel.builder.RouteBuilder;
-import org.apache.camel.k.Language;
 import org.apache.camel.k.RoutesLoader;
 import org.apache.camel.k.RuntimeRegistry;
 import org.apache.camel.k.Source;
-import org.apache.camel.k.support.URIResolver;
 import org.apache.camel.k.jvm.dsl.Components;
+import org.apache.camel.k.support.URIResolver;
 import org.apache.camel.model.RouteDefinition;
 import org.apache.camel.model.rest.RestConfigurationDefinition;
 import org.apache.camel.model.rest.RestDefinition;
 
 public class JavaScriptLoader implements RoutesLoader {
     @Override
-    public List<Language> getSupportedLanguages() {
-        return Collections.singletonList(Language.JavaScript);
+    public List<String> getSupportedLanguages() {
+        return Collections.singletonList("js");
     }
 
     @Override

runtime/camel-k-runtime-jvm/src/main/java/org/apache/camel/k/jvm/loader/JavaSourceLoader.java

@@ -1,3 +1,19 @@
+/**
+ * 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.k.jvm.loader;
 
 import java.io.InputStream;
@@ -6,7 +22,6 @@
 import java.util.List;
 
 import org.apache.camel.builder.RouteBuilder;
-import org.apache.camel.k.Language;
 import org.apache.camel.k.RoutesLoader;
 import org.apache.camel.k.RuntimeRegistry;
 import org.apache.camel.k.Source;
@@ -17,8 +32,8 @@
 
 public class JavaSourceLoader implements RoutesLoader {
     @Override
-    public List<Language> getSupportedLanguages() {
-        return Collections.singletonList(Language.JavaSource);
+    public List<String> getSupportedLanguages() {
+        return Collections.singletonList("java");
     }
 
     @Override

runtime/camel-k-runtime-jvm/src/main/java/org/apache/camel/k/jvm/loader/XmlLoader.java

@@ -1,3 +1,19 @@
+/**
+ * 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.k.jvm.loader;
 
 import java.io.InputStream;
@@ -6,7 +22,6 @@
 import javax.xml.bind.UnmarshalException;
 
 import org.apache.camel.builder.RouteBuilder;
-import org.apache.camel.k.Language;
 import org.apache.camel.k.RoutesLoader;
 import org.apache.camel.k.RuntimeRegistry;
 import org.apache.camel.k.Source;
@@ -20,8 +35,8 @@ public class XmlLoader implements RoutesLoader {
     private static final Logger LOGGER = LoggerFactory.getLogger(XmlLoader.class);
 
     @Override
-    public List<Language> getSupportedLanguages() {
-        return Collections.singletonList(Language.Xml);
+    public List<String> getSupportedLanguages() {
+        return Collections.singletonList("xml");
     }
 
     @Override

runtime/camel-k-runtime-kotlin/src/main/kotlin/org/apache/camel/k/kotlin/KotlinRoutesLoader.kt

@@ -17,7 +17,6 @@
 package org.apache.camel.k.kotlin
 
 import org.apache.camel.builder.RouteBuilder
-import org.apache.camel.k.Language
 import org.apache.camel.k.RoutesLoader
 import org.apache.camel.k.RuntimeRegistry
 import org.apache.camel.k.Source
@@ -41,8 +40,8 @@ class KotlinRoutesLoader : RoutesLoader {
         val LOGGER : Logger = LoggerFactory.getLogger(KotlinRoutesLoader::class.java)
     }
 
-    override fun getSupportedLanguages(): List<Language> {
-        return listOf(Language.Kotlin)
+    override fun getSupportedLanguages(): List<String> {
+        return listOf("kts")
     }
 
     @Throws(Exception::class)

runtime/camel-k-runtime-yaml/src/main/java/org/apache/camel/k/yaml/YamlFlowLoader.java

@@ -27,7 +27,6 @@
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator;
 import org.apache.camel.builder.RouteBuilder;
-import org.apache.camel.k.Language;
 import org.apache.camel.k.RoutesLoader;
 import org.apache.camel.k.RuntimeRegistry;
 import org.apache.camel.k.Source;
@@ -56,8 +55,8 @@ public YamlFlowLoader() {
     }
 
     @Override
-    public List<Language> getSupportedLanguages() {
-        return Collections.singletonList(Language.YamlFlow);
+    public List<String> getSupportedLanguages() {
+        return Collections.singletonList("flow");
     }
 
     @SuppressWarnings("uncheked")