Merge pull request #3693 from inception-project/feature/3511-Add-empt…

…y-project-template

#3511 - Add empty project template

inception/inception-project-initializers/src/main/java/de/tudarmstadt/ukp/clarin/webanno/project/initializers/config/ProjectInitializersAutoConfiguration.java

@@ -42,6 +42,7 @@
 import de.tudarmstadt.ukp.clarin.webanno.project.initializers.StandardProjectInitializer;
 import de.tudarmstadt.ukp.clarin.webanno.project.initializers.SurfaceFormLayerInitializer;
 import de.tudarmstadt.ukp.clarin.webanno.project.initializers.TokenLayerInitializer;
+import de.tudarmstadt.ukp.clarin.webanno.project.initializers.empty.EmptyProjectInitializer;
 import de.tudarmstadt.ukp.inception.schema.AnnotationSchemaService;
 
 @Configuration
@@ -182,4 +183,10 @@ public SentenceLayerInitializer sentenceLayerInitializer(AnnotationSchemaService
     {
         return new SentenceLayerInitializer(aSchemaService);
     }
+
+    @Bean
+    public EmptyProjectInitializer emptyProjectInitializer()
+    {
+        return new EmptyProjectInitializer();
+    }
 }

inception/inception-project-initializers/src/main/java/de/tudarmstadt/ukp/clarin/webanno/project/initializers/empty/EmptyProjectInitializer.java

@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Technische Universität Darmstadt under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The Technische Universität Darmstadt 
+ * 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.
+ *  
+ * 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 de.tudarmstadt.ukp.clarin.webanno.project.initializers.empty;
+
+import static java.util.Arrays.asList;
+
+import java.io.IOException;
+import java.util.List;
+
+import de.tudarmstadt.ukp.clarin.webanno.api.project.ProjectInitializer;
+import de.tudarmstadt.ukp.clarin.webanno.model.Project;
+import de.tudarmstadt.ukp.clarin.webanno.project.initializers.QuickProjectInitializer;
+import de.tudarmstadt.ukp.clarin.webanno.project.initializers.SentenceLayerInitializer;
+import de.tudarmstadt.ukp.clarin.webanno.project.initializers.TokenLayerInitializer;
+import de.tudarmstadt.ukp.clarin.webanno.project.initializers.config.ProjectInitializersAutoConfiguration;
+
+/**
+ * <p>
+ * This class is exposed as a Spring Component via
+ * {@link ProjectInitializersAutoConfiguration#emptyProjectInitializer}.
+ * </p>
+ */
+public class EmptyProjectInitializer
+    implements QuickProjectInitializer
+{
+    @Override
+    public String getName()
+    {
+        return "Empty project (no layers)";
+    }
+
+    @Override
+    public boolean alreadyApplied(Project aProject)
+    {
+        return false;
+    }
+
+    @Override
+    public boolean applyByDefault()
+    {
+        return false;
+    }
+
+    @Override
+    public List<Class<? extends ProjectInitializer>> getDependencies()
+    {
+        return asList( //
+                TokenLayerInitializer.class, //
+                SentenceLayerInitializer.class);
+    }
+
+    @Override
+    public void configure(Project aProject) throws IOException
+    {
+        aProject.setDescription("This project has no pre-defined layers. You will only be able to "
+                + "annotate after you have defined annotation layers in the project settings.");
+    }
+}