[qemu] Add missing file

1 files changed, 50 insertions, 0 deletions

diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/EditorRunner.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/EditorRunner.java
new file mode 100644
index 00000000..6dbb26c5
--- /dev/null
+++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/EditorRunner.java
@@ -0,0 +1,50 @@
+package org.openslx.runvirt.plugin.qemu;
+
+import java.io.IOException;
+import java.lang.ProcessBuilder.Redirect;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Small wrapper around Process that will try to launch any sensible GUI
+ * text editor on the given file.
+ */
+public class EditorRunner
+{
+
+	private static final String[] EDITORS = {
+			"mousepad",
+			"leafpad",
+			"gedit",
+			"gvim",
+			"medit",
+			"kate",
+			"featherpad",
+	};
+
+	public static void open( String file )
+	{
+		for ( String editor : EDITORS ) {
+			if ( open( editor, file ) )
+				return;
+		}
+		return;
+	}
+
+	private static boolean open( String editor, String file )
+	{
+		ProcessBuilder pr = new ProcessBuilder( editor, file );
+		pr.redirectError( Redirect.DISCARD );
+		pr.redirectOutput( Redirect.DISCARD );
+		try {
+			final Process p = pr.start();
+			p.waitFor( 1, TimeUnit.SECONDS );
+			if ( !p.isAlive() )
+				return false;
+			p.waitFor();
+		} catch ( IOException | InterruptedException e ) {
+			return false;
+		}
+		return true;
+	}
+
+}