diff options
Diffstat (limited to 'core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskCdromDevices.java')
| -rw-r--r-- | core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskCdromDevices.java | 49 |
1 files changed, 44 insertions, 5 deletions
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskCdromDevices.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskCdromDevices.java index 345dd5a9..066af763 100644 --- a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskCdromDevices.java +++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskCdromDevices.java @@ -11,16 +11,51 @@ import org.openslx.virtualization.configuration.VirtualizationConfigurationQemuU import org.openslx.virtualization.configuration.transformation.TransformationException; import org.openslx.virtualization.configuration.transformation.TransformationGeneric; +/** + * Generic CDROM drive transformation for Libvirt/QEMU virtualization configurations. + * + * @author Manuel Bentele + * @version 1.0 + */ public class TransformationGenericDiskCdromDevices extends TransformationGeneric<Domain, CommandLineArgs> { - private static final String FILTER_NAME = "Disk CDROM devices"; + /** + * Name of the configuration transformation. + */ + private static final String NAME = "Disk CDROM devices"; + /** + * Creates a new generic CDROM drive transformation for Libvirt/QEMU virtualization + * configurations. + */ public TransformationGenericDiskCdromDevices() { - super( TransformationGenericDiskCdromDevices.FILTER_NAME ); + super( TransformationGenericDiskCdromDevices.NAME ); } - private void filterDiskCdromDevice( Domain config, String fileName, int index ) throws TransformationException + /** + * Validates a virtualization configuration and input arguments for this transformation. + * + * @param config virtualization configuration for the validation. + * @param args input arguments for the validation. + * @throws TransformationException validation has failed. + */ + private void validateInputs( Domain config, CommandLineArgs args ) throws TransformationException + { + if ( config == null || args == null ) { + throw new TransformationException( "Virtualization configuration or input arguments are missing!" ); + } + } + + /** + * Transforms a CDROM drive in a virtualization configuration selected by its {@code index}. + * + * @param config virtualization configuration for the transformation. + * @param fileName name of the image file for the CDROM drive. + * @param index number of the CDROM drive in the virtualization configuration that is selected. + * @throws TransformationException transformation has failed. + */ + private void transformDiskCdromDevice( Domain config, String fileName, int index ) throws TransformationException { final ArrayList<DiskCdrom> devices = config.getDiskCdromDevices(); final DiskCdrom disk = VirtualizationConfigurationQemuUtils.getArrayIndex( devices, index ); @@ -42,8 +77,12 @@ public class TransformationGenericDiskCdromDevices extends TransformationGeneric @Override public void transform( Domain config, CommandLineArgs args ) throws TransformationException { - this.filterDiskCdromDevice( config, args.getVmDiskFileNameCdrom0(), 0 ); - this.filterDiskCdromDevice( config, args.getVmDiskFileNameCdrom1(), 1 ); + // validate configuration and input arguments + this.validateInputs( config, args ); + + // alter CDROM drives + this.transformDiskCdromDevice( config, args.getVmDiskFileNameCdrom0(), 0 ); + this.transformDiskCdromDevice( config, args.getVmDiskFileNameCdrom1(), 1 ); // remove all additional disk CDROM devices final ArrayList<DiskCdrom> devices = config.getDiskCdromDevices(); |