1 files changed, 63 insertions, 0 deletions
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericWrapperScript.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericWrapperScript.java
new file mode 100644
index 00000000..60c98d47
--- /dev/null
+++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericWrapperScript.java
@@ -0,0 +1,63 @@
+package org.openslx.runvirt.plugin.qemu.configuration;
+
+import java.io.File;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.openslx.libvirt.domain.Domain;
+import org.openslx.runvirt.plugin.qemu.cmdln.CommandLineArgs;
+import org.openslx.util.Util;
+import org.openslx.virtualization.configuration.transformation.TransformationException;
+import org.openslx.virtualization.configuration.transformation.TransformationGeneric;
+
+/**
+ * Use openslx wrapper script for launching the emulator (virtualizer)
+ * 
+ * @author sr
+ */
+public class TransformationGenericWrapperScript extends TransformationGeneric<Domain, CommandLineArgs>
+{
+	/**
+	 * Instance of a logger to log messages.
+	 */
+	private static final Logger LOGGER = LogManager.getLogger( TransformationGenericWrapperScript.class );
+
+	/**
+	 * Name of the configuration transformation.
+	 */
+	private static final String NAME = "Use wrapper script for emulator if found";
+
+	/**
+	 * Extension for the wrapper we look for
+	 */
+	private static final String WRAPPER_EXT = ".openslx";
+
+	public TransformationGenericWrapperScript()
+	{
+		super( TransformationGenericWrapperScript.NAME );
+	}
+
+	/**
+	 * Validates a virtualization configuration and input arguments for this transformation.
+	 */
+	private void validateInputs( Domain config, CommandLineArgs args ) throws TransformationException
+	{
+		if ( config == null || args == null ) {
+			throw new TransformationException( "Virtualization configuration or input arguments are missing!" );
+		}
+	}
+
+	@Override
+	public void transform( Domain config, CommandLineArgs args ) throws TransformationException
+	{
+		// validate configuration and input arguments
+		this.validateInputs( config, args );
+
+		// Use our wrapper if it exists
+		String emu = config.getDevicesEmulator();
+		if ( !Util.isEmptyString( emu ) && new File( emu + WRAPPER_EXT ).canExecute() ) {
+			LOGGER.info( "Using emulator wrapper " + emu + WRAPPER_EXT );
+			config.setDevicesEmulator( emu + WRAPPER_EXT );
+		}
+	}
+}