U categories property for linux desktop files

Author: fvarrui

docs/linux-specific-properties.md

@@ -2,18 +2,23 @@
 
 ```xml
 <linuxConfig>
-	<pngFile>path/to/icon.png</pngFile>
-	<generateDeb>true|false</generateDeb>
-	<generateRpm>true|false</generateRpm>
+    <pngFile>path/to/icon.png</pngFile>
+    <generateAppImage>true|false</generateAppImage>
+    <generateDeb>true|false</generateDeb>
+    <generateRpm>true|false</generateRpm>
     <wrapJar>true|false</wrapJar>
+    <categories>
+        <category>Utility</category>
+        ...
+    </categories>
 </linuxConfig>
 ```
 
-
-
-| Property      | Mandatory | Default value | Description                                     |
-| ------------- | --------- | ------------- | ----------------------------------------------- |
-| `pngFile`     | :x:       | `null`        | Icon file.                                      |
-| `generateDeb` | :x:       | `true`        | DEB package will be generated.                  |
-| `generateRpm` | :x:       | `true`        | RPM package will be generated.                  |
-| `wrapJar`     | :x:       | `true`        | Wraps JAR file inside the executable if `true`. |
+| Property           | Mandatory | Default value  | Description                                                                                                                  |
+| ------------------ | --------- | -------------- | ---------------------------------------------------------------------------------------------------------------------------- |
+| `pngFile`          | :x:       | `null`         | Icon file.                                                                                                                   |
+| `generateAppImage` | :x:       | `true`         | [AppImage](https://appimage.org/) package will be generated.                                                                 |
+| `generateDeb`      | :x:       | `true`         | DEB package will be generated.                                                                                               |
+| `generateRpm`      | :x:       | `true`         | RPM package will be generated.                                                                                               |
+| `wrapJar`          | :x:       | `true`         | Wraps JAR file inside the executable if `true`.                                                                              |
+| `categories`       | :x:       | `[ "Utility"]` | [Main categories](https://specifications.freedesktop.org/menu-spec/latest/apa.html) in the application's desktop entry file. |

src/main/java/io/github/fvarrui/javapackager/model/LinuxConfig.java

@@ -2,6 +2,8 @@
 
 import java.io.File;
 import java.io.Serializable;
+import java.util.Arrays;
+import java.util.List;
 
 import io.github.fvarrui.javapackager.packagers.Packager;
 
@@ -11,11 +13,20 @@
 public class LinuxConfig implements Serializable {
 	private static final long serialVersionUID = -1238166997019141904L;
 
+	private List<String> categories;
 	private boolean generateDeb = true;
 	private boolean generateRpm = true;
 	private boolean generateAppImage = true;
 	private File pngFile;
 	private boolean wrapJar = true;
+	
+	public void setCategories(List<String> categories) {
+		this.categories = categories;
+	}
+	
+	public List<String> getCategories() {
+		return categories;
+	}
 
 	public boolean isGenerateDeb() {
 		return generateDeb;
@@ -59,8 +70,8 @@ public void setWrapJar(boolean wrapJar) {
 
 	@Override
 	public String toString() {
-		return "LinuxConfig [generateDeb=" + generateDeb + ", generateRpm=" + generateRpm + ", generateAppImage="
-				+ generateAppImage + ", pngFile=" + pngFile + ", wrapJar=" + wrapJar + "]";
+		return "LinuxConfig [categories=" + categories + ", generateDeb=" + generateDeb + ", generateRpm=" + generateRpm
+				+ ", generateAppImage=" + generateAppImage + ", pngFile=" + pngFile + ", wrapJar=" + wrapJar + "]";
 	}
 
 	/**
@@ -69,7 +80,7 @@ public String toString() {
 	 * @param packager Packager
 	 */
 	public void setDefaults(Packager packager) {
-		// nothing
+		this.setCategories((categories == null || categories.isEmpty()) ? Arrays.asList("Utility") : categories);
 	}
 
 }

src/main/resources/linux/desktop-appimage.vtl

@@ -1,3 +1,4 @@
+#set ($categories = $StringUtils.join($info.linuxConfig.categories, ";"))
 [Desktop Entry]
 Name=${info.displayName}
 GenericName=${info.displayName}
@@ -10,4 +11,4 @@ StartupNotify=true
 #if ($info.isThereFileAssociations())
 MimeType=${info.getMimeTypesListAsString(";")}
 #end
-Categories=Utility
+Categories=${categories}

src/main/resources/linux/desktop.vtl

@@ -1,3 +1,4 @@
+#set ($categories = $StringUtils.join($info.linuxConfig.categories, ";"))
 [Desktop Entry]
 Name=${info.displayName}
 GenericName=${info.displayName}
@@ -9,4 +10,5 @@ Type=Application
 StartupNotify=true
 #if ($info.isThereFileAssociations())
 MimeType=${info.getMimeTypesListAsString(";")}
-#end
+#end
+Categories=${categories}