#20: Implement ToolCommandlet for GCViewer

cli/src/main/java/com/devonfw/tools/ide/commandlet/CommandletManagerImpl.java

@@ -11,6 +11,7 @@
 import com.devonfw.tools.ide.property.Property;
 import com.devonfw.tools.ide.tool.az.Azure;
 import com.devonfw.tools.ide.tool.eclipse.Eclipse;
+import com.devonfw.tools.ide.tool.gcviewer.GcViewer;
 import com.devonfw.tools.ide.tool.gh.Gh;
 import com.devonfw.tools.ide.tool.gradle.Gradle;
 import com.devonfw.tools.ide.tool.helm.Helm;
@@ -64,6 +65,7 @@ public CommandletManagerImpl(IdeContext context) {
     add(new Java(context));
     add(new Node(context));
     add(new Mvn(context));
+    add(new GcViewer(context));
     add(new Gradle(context));
     add(new Eclipse(context));
     add(new Terraform(context));

cli/src/main/java/com/devonfw/tools/ide/tool/ToolCommandlet.java

@@ -271,7 +271,17 @@ protected void extract(Path file, Path targetDir) {
       fileAccess.delete(tmpDir);
     } else {
       this.context.trace("Extraction is disabled for '{}' hence just moving the downloaded file {}.", getName(), file);
-      fileAccess.move(file, targetDir);
+
+      if (Files.isDirectory(file)) {
+        fileAccess.move(file, targetDir);
+      } else {
+        try {
+          Files.createDirectories(targetDir);
+        } catch (IOException e) {
+          throw new IllegalStateException("Failed to create folder " + targetDir);
+        }
+        fileAccess.move(file, targetDir.resolve(file.getFileName()));
+      }
     }
   }
 

cli/src/main/java/com/devonfw/tools/ide/tool/gcviewer/GcViewer.java

@@ -0,0 +1,43 @@
+package com.devonfw.tools.ide.tool.gcviewer;
+
+import java.util.Set;
+
+import com.devonfw.tools.ide.common.Tag;
+import com.devonfw.tools.ide.context.IdeContext;
+import com.devonfw.tools.ide.process.ProcessContext;
+import com.devonfw.tools.ide.tool.LocalToolCommandlet;
+import com.devonfw.tools.ide.tool.ToolCommandlet;
+
+/**
+ * {@link ToolCommandlet} for GcViewer.
+ */
+public class GcViewer extends LocalToolCommandlet {
+
+  /**
+   * The constructor.
+   *
+   * @param context the {@link IdeContext}.
+   */
+  public GcViewer(IdeContext context) {
+
+    super(context, "gcviewer", Set.of(Tag.JAVA));
+  }
+
+  @Override
+  protected boolean isExtract() {
+
+    return false;
+  }
+
+  @Override
+  public void run() {
+
+    install(true);
+    ProcessContext pc = this.context.newProcess();
+    pc.directory(getToolPath());
+    pc.executable("java");
+    pc.addArg("-jar");
+    pc.addArg("gcviewer-" + getInstalledVersion() + ".jar");
+    pc.run();
+  }
+}

cli/src/main/java/com/devonfw/tools/ide/util/FilenameUtil.java

@@ -28,6 +28,13 @@ public static String getExtension(String path) {
       lastSlash = 0;
     }
     int lastDot = path.lastIndexOf('.');
+
+    // workaround for sourceforge urls ending with /download like
+    // https://sourceforge.net/projects/gcviewer/files/gcviewer-1.36.jar/download
+    if (path.startsWith("https://") && path.contains("sourceforge") && path.endsWith("download")) {
+      return path.substring(lastDot + 1, lastSlash);
+    }
+
     if (lastDot < lastSlash) {
       return null;
     }