Add getPluginVersion support

Author: JasonLuo-Redgate

flyway-community-db-support-archetype/src/main/resources/archetype-resources/src/main/java/org/flywaydb/community/database/ExampleDatabaseExtension.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Red Gate Software Ltd 2010-2024
+ *
+ * Licensed 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.flywaydb.community.database;
+
+import org.flywaydb.core.api.FlywayException;
+import org.flywaydb.core.extensibility.PluginMetadata;
+import org.flywaydb.core.internal.util.FileUtils;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+
+public class ExampleDatabaseExtension implements PluginMetadata {
+    public String getDescription() {
+        return "Community-contributed Example database support extension " + readVersion() + " by Redgate";
+    }
+
+    public static String readVersion() {
+        try {
+            return FileUtils.copyToString(
+                    ExampleDatabaseExtension.class.getClassLoader().getResourceAsStream("org/flywaydb/community/database/example/version.txt"),
+                    StandardCharsets.UTF_8);
+        } catch (IOException e) {
+            throw new FlywayException("Unable to read extension version: " + e.getMessage(), e);
+        }
+    }
+}

flyway-community-db-support-archetype/src/main/resources/archetype-resources/src/main/java/org/flywaydb/community/database/example/ExampleDatabaseType.java

@@ -1,6 +1,7 @@
 package org.flywaydb.community.database.example;
 
 import java.sql.Connection;
+import org.flywaydb.community.database.ExampleDatabaseExtension;
 import org.flywaydb.core.api.ResourceProvider;
 import org.flywaydb.core.api.configuration.Configuration;
 import org.flywaydb.core.internal.database.base.BaseDatabaseType;
@@ -50,4 +51,9 @@ public Parser createParser(final Configuration configuration, final ResourceProv
       final ParsingContext parsingContext) {
     return null;
   }
+
+  @Override
+  public String getPluginVersion(Configuration config) {
+    return ExampleDatabaseExtension.readVersion();
+  }
 }

flyway-community-db-support-archetype/src/main/resources/archetype-resources/src/main/resources/org/flywaydb/community/database/example/version.txt

@@ -0,0 +1 @@
+${pom.version}