org.openstack4j.model.image.DiskFormat Maven / Gradle / Ivy

package org.openstack4j.model.image;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonValue;


/** 
 * The disk format of a virtual machine image is the format of the underlying disk image
 * 
 * @author Jeremy Unruh
 */
public enum DiskFormat {
	/**
	 * This is an unstructured disk image format
	 */
	RAW,
	/**
	 * This is the VHD disk format, a common disk format used by virtual machine monitors from
	 * VMWare, Xen, Microsoft, VirtualBox, and others
	 */
	VHD,
	/**
	 * Another common disk format supported by many common virtual machine monitors
	 */
	VMDK,
	/**
	 * A disk format supported by VirtualBox virtual machine monitor and the QEMU emulator
	 */
	VDI,
	/**
	 * An archive format for the data contents of an optical disc (e.g. CDROM).
	 */
	ISO,
	/**
	 * A disk format supported by the QEMU emulator that can expand dynamically and supports Copy on
	 * Write
	 */
	QCOW2,

	/**
	 * This indicates what is stored in Glance is an Amazon kernel image
	 */
	AKI,

	/**
	 * This indicates what is stored in Glance is an Amazon ramdisk image
	 */
	ARI,

	/**
	 * This indicates what is stored in Glance is an Amazon machine image
	 */
	AMI,

	/**
	 * Type unknown 
	 */
	UNRECOGNIZED;

	@JsonValue
	public String value() {
		return name().toLowerCase();
	}
	
	@JsonCreator
	public static DiskFormat value(String df) {
		if (df == null || df.isEmpty()) return UNRECOGNIZED;
		try
		{
			return valueOf(df.toUpperCase());
		}
		catch (IllegalArgumentException e) {
			return UNRECOGNIZED;
		}
	}
}