Add username placeholder

src/main/kotlin/de/idetools/filename_template/InitializeFilenameTemplateActivity.kt

@@ -12,6 +12,7 @@ import de.idetools.filename_template.placeholders.EpochPlaceholder
 import de.idetools.filename_template.placeholders.HostPlaceholder
 import de.idetools.filename_template.placeholders.PlaceholderProcessor
 import de.idetools.filename_template.placeholders.ProjectPlaceholder
+import de.idetools.filename_template.placeholders.UserPlaceholder
 import de.idetools.filename_template.settings.FilenameTemplateSettingsState
 
 class InitializeFilenameTemplateActivity : StartupActivity {
@@ -27,6 +28,7 @@ class InitializeFilenameTemplateActivity : StartupActivity {
             DatePlaceholder(),
             ProjectPlaceholder(),
             HostPlaceholder(),
+            UserPlaceholder(),
             DefaultPlaceholder()
         )
 

src/main/kotlin/de/idetools/filename_template/placeholders/UserPlaceholder.kt

@@ -0,0 +1,8 @@
+package de.idetools.filename_template.placeholders
+
+class UserPlaceholder : Placeholder {
+    override fun supports(placeholder: String): Boolean = placeholder == "USER"
+
+    override fun process(placeholder: String, context: PlaceholderContext): String =
+        System.getProperty("user.name")
+}

src/main/resources/META-INF/plugin.xml

@@ -53,6 +53,11 @@
                 <dd>
                     The name of the current project.
                 </dd>
+
+                <dt>{USER}</dt>
+                <dd>
+                    The username of the user running the IDE.
+                </dd>
             </dl>
         </dd>
     </dl>