Expose ArchetypeGenerator

This closes #921

org.eclipse.m2e.core.ui/META-INF/MANIFEST.MF

@@ -46,6 +46,6 @@ Import-Package: org.eclipse.compare.rangedifferencer,
  org.eclipse.ltk.core.refactoring,
  org.slf4j;version="[1.6.2,2.0.0)"
 Service-Component: OSGI-INF/component.xml,
- OSGI-INF/org.eclipse.m2e.core.ui.internal.archetype.ArchetypeGenerator.xml,
+ OSGI-INF/org.eclipse.m2e.core.ui.internal.archetype.ArchetypeGeneratorImpl.xml,
  OSGI-INF/org.eclipse.m2e.core.ui.internal.archetype.ArchetypePlugin.xml
 Automatic-Module-Name: org.eclipse.m2e.core.ui

org.eclipse.m2e.core.ui/src/org/eclipse/m2e/core/ui/archetype/ArchetypeGenerator.java

@@ -0,0 +1,53 @@
+/*******************************************************************************
+ * Copyright (c) 2022 Konrad Windszus
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *      Konrad Windszus
+ *******************************************************************************/
+package org.eclipse.m2e.core.ui.archetype;
+
+import java.util.Collection;
+import java.util.Properties;
+
+import org.osgi.annotation.versioning.ProviderType;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+
+import org.eclipse.m2e.core.project.IArchetype;
+import org.eclipse.m2e.core.project.MavenProjectInfo;
+
+
+/**
+ * Implementations of this OSGi service interface allow to create new projects based on Maven archetypes.
+ */
+@ProviderType
+public interface ArchetypeGenerator {
+
+  /**
+   * Creates project structure using the given archetype and then imports created project(s)
+   *
+   * @return a list of created projects.
+   * @since 2.0.1 (package version 1.0.0)
+   */
+  default Collection<MavenProjectInfo> createArchetypeProjects(IPath location, IArchetype archetype, String groupId,
+      String artifactId, String version, String javaPackage, Properties properties, IProgressMonitor monitor)
+      throws CoreException
+  {
+    return createArchetypeProjects(location, archetype, groupId, artifactId, version, javaPackage, properties, false,
+        monitor);
+  }
+
+  Collection<MavenProjectInfo> createArchetypeProjects(IPath location, IArchetype archetype, String groupId,
+      String artifactId, String version, String javaPackage, Properties properties, boolean interactive,
+      IProgressMonitor monitor) throws CoreException;
+
+}

org.eclipse.m2e.core.ui/src/org/eclipse/m2e/core/ui/archetype/package-info.java

@@ -0,0 +1,17 @@
+/*******************************************************************************
+ * Copyright (c) 2022 Konrad Windszus
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *      Konrad Windszus
+ *******************************************************************************/
+@Version("1.0.0")
+package org.eclipse.m2e.core.ui.archetype;
+
+import org.osgi.annotation.versioning.Version;

org.eclipse.m2e.core.ui/src/org/eclipse/m2e/core/ui/internal/archetype/ArchetypeGenerator.java → org.eclipse.m2e.core.ui/src/org/eclipse/m2e/core/ui/internal/archetype/ArchetypeGeneratorImpl.java

@@ -49,11 +49,12 @@
 import org.eclipse.m2e.core.project.IProjectConfigurationManager;
 import org.eclipse.m2e.core.project.LocalProjectScanner;
 import org.eclipse.m2e.core.project.MavenProjectInfo;
+import org.eclipse.m2e.core.ui.archetype.ArchetypeGenerator;
 
 
 @Component(service = {ArchetypeGenerator.class})
 @SuppressWarnings("restriction")
-public class ArchetypeGenerator {
+public class ArchetypeGeneratorImpl implements ArchetypeGenerator {
 
   @Reference
   IProjectConfigurationManager projectConfigurationManager;
@@ -64,19 +65,10 @@ public class ArchetypeGenerator {
   @Reference
   IMavenLauncher mavenLauncher;
 
-  /**
-   * Creates project structure using Archetype and then imports created project(s)
-   *
-   * @return a list of created projects.
-   * @since 1.8
+  /* (non-Javadoc)
+   * @see org.eclipse.m2e.core.ui.internal.archetype.ArchetypeGeneratorInterface#createArchetypeProjects(org.eclipse.core.runtime.IPath, org.eclipse.m2e.core.project.IArchetype, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.util.Properties, boolean, org.eclipse.core.runtime.IProgressMonitor)
    */
-  public Collection<MavenProjectInfo> createArchetypeProjects(IPath location, IArchetype archetype, String groupId,
-      String artifactId, String version, String javaPackage, Properties properties, IProgressMonitor monitor)
-      throws CoreException {
-    return createArchetypeProjects(location, archetype, groupId, artifactId, version, javaPackage, properties, false,
-        monitor);
-  }
-
+  @Override
   public Collection<MavenProjectInfo> createArchetypeProjects(IPath location, IArchetype archetype, String groupId,
       String artifactId, String version, String javaPackage, Properties properties, boolean interactive,
       IProgressMonitor monitor) throws CoreException {

org.eclipse.m2e.core.ui/src/org/eclipse/m2e/core/ui/internal/archetype/ArchetypePlugin.java

@@ -64,6 +64,7 @@
 import org.eclipse.m2e.core.embedder.IMaven;
 import org.eclipse.m2e.core.internal.MavenPluginActivator;
 import org.eclipse.m2e.core.project.IArchetype;
+import org.eclipse.m2e.core.ui.archetype.ArchetypeGenerator;
 import org.eclipse.m2e.core.ui.internal.M2EUIPluginActivator;
 import org.eclipse.m2e.core.ui.internal.archetype.ArchetypeCatalogFactory.LocalCatalogFactory;
 import org.eclipse.m2e.core.ui.internal.archetype.ArchetypeCatalogFactory.RemoteCatalogFactory;