devonfw#1454 added artifact cache folder

added simple template set artifact cache folder and constant
adjusted installTemplateSet GUI test

cobigen/cobigen-core-api/src/main/java/com/devonfw/cobigen/api/constants/ConfigurationConstants.java

@@ -128,4 +128,6 @@ public class ConfigurationConstants {
    */
   public static final String CONFIG_PROPERTY_TEMPLATE_SETS_DEFAULT_VERSION = "2021.12.007";
 
+  public static final String TEMPLATE_SET_ARTIFACT_CACHE_FOLDER = "template-set-list";
+
 }

cobigen/core-artifact-retriever/src/main/java/com/devonfw/cobigen/retriever/ArtifactRetriever.java

@@ -1,5 +1,6 @@
 package com.devonfw.cobigen.retriever;
 
+import java.io.File;
 import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -9,6 +10,11 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.devonfw.cobigen.api.constants.ConfigurationConstants;
+import com.devonfw.cobigen.api.exception.CobiGenRuntimeException;
+import com.devonfw.cobigen.api.util.CobiGenPaths;
+import com.devonfw.cobigen.impl.config.entity.io.TemplateSetConfiguration;
+import com.devonfw.cobigen.impl.config.reader.TemplateSetConfigurationReader;
 import com.devonfw.cobigen.retriever.mavensearch.MavenSearchArtifactRetriever;
 import com.devonfw.cobigen.retriever.reader.TemplateSetArtifactReader;
 import com.devonfw.cobigen.retriever.reader.to.model.TemplateSet;
@@ -89,6 +95,34 @@ public static List<TemplateSet> retrieveTemplateSetData(List<Path> templateSetFi
     return templateSetList;
   }
 
+  /**
+   * Retrieves a list of {@link TemplateSetConfiguration} from the template-set-list folder
+   *
+   * @return List of {@link TemplateSetConfiguration}
+   */
+  public static List<TemplateSetConfiguration> retrieveArtifactsFromCobiGen() {
+
+    Path templateSetFolder = CobiGenPaths.getTemplateSetsFolderPath();
+
+    Path artifactCacheFolder = templateSetFolder.resolve(ConfigurationConstants.TEMPLATE_SET_ARTIFACT_CACHE_FOLDER);
+
+    List<TemplateSetConfiguration> templateSetConfigurations = new ArrayList<>();
+    if (Files.exists(artifactCacheFolder)) {
+      for (File file : artifactCacheFolder.toFile().listFiles()) {
+        TemplateSetConfigurationReader reader = new TemplateSetConfigurationReader();
+        reader.readConfiguration(file.toPath());
+
+        TemplateSetConfiguration templateSetConfiguration = reader.getTemplateSetConfiguration();
+        templateSetConfigurations.add(templateSetConfiguration);
+      }
+    } else {
+      throw new CobiGenRuntimeException("No artifact cache folder found, cancelling!");
+    }
+
+    return templateSetConfigurations;
+
+  }
+
   /**
    * Helper method to retrieve maven artifact download URLs
    *

cobigen/gui/src/test/java/com/devonfw/cobigen/gui/ProcessTemplateSetTest.java

@@ -4,8 +4,11 @@
 import static org.assertj.core.api.Assertions.assertThat;
 
 import java.io.File;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.List;
 
 import org.junit.Rule;
 import org.junit.Test;
@@ -14,7 +17,7 @@
 
 import com.devonfw.cobigen.api.constants.ConfigurationConstants;
 import com.devonfw.cobigen.impl.config.entity.io.TemplateSetConfiguration;
-import com.devonfw.cobigen.impl.config.reader.TemplateSetConfigurationReader;
+import com.devonfw.cobigen.retriever.ArtifactRetriever;
 
 import javafx.collections.FXCollections;
 import javafx.scene.control.Button;
@@ -59,21 +62,22 @@ public void testInstallTemplateSet() throws Exception {
         ConfigurationConstants.DOWNLOADED_FOLDER);
 
     // simulate template-set-list folder for downloaded template-set.xml files to be used in GUI
-    this.tmpFolder.newFolder("UserHome", "template-set-list");
+    File artifactCacheFolder = this.tmpFolder.newFolder("UserHome", "template-sets", "template-set-list");
 
     Path templateSetXmlFile = TEST_FILE_ROOT_PATH.resolve("crud-java-server-app-2021.12.007-template-set.xml");
+    Files.copy(templateSetXmlFile,
+        artifactCacheFolder.toPath().resolve("crud-java-server-app-2021.12.007-template-set.xml"),
+        StandardCopyOption.REPLACE_EXISTING);
 
-    // initialize template set reader
-    TemplateSetConfigurationReader reader = new TemplateSetConfigurationReader();
-
-    // read template set xml file/files
-    reader.readConfiguration(templateSetXmlFile);
-
-    TemplateSetConfiguration templateSetConfiguration = reader.getTemplateSetConfiguration();
+    withEnvironmentVariable(ConfigurationConstants.CONFIG_ENV_HOME, userHome.getAbsolutePath()).execute(() -> {
+      List<TemplateSetConfiguration> templateSetConfigurations = ArtifactRetriever.retrieveArtifactsFromCobiGen();
 
-    // pass TemplateSetConfiguration to GUI
-    this.templateSetObservableList = FXCollections.observableArrayList();
-    this.templateSetObservableList.addAll(templateSetConfiguration);
+      // pass TemplateSetConfigurations to GUI
+      this.templateSetObservableList = FXCollections.observableArrayList();
+      for (TemplateSetConfiguration configuration : templateSetConfigurations) {
+        this.templateSetObservableList.addAll(configuration);
+      }
+    });
 
     this.searchResultsView.setItems(this.templateSetObservableList);