public class UserType implements IJobDescriptor.IJobParameterStructureType {
    	public UserType(String label) {
    		if (label == null) {
    			throw new IllegalArgumentException("label is null");
    		}

    		this.label = label;
    	}

    	private String label;
    	private String description = null;
    	private final Class typeClass = ReportJobUnitFactory.User.class;

    	public String getDescription() {
    		return description;
    	}

    	public ReportJobUnitFactory.UserType setDescription(String description) {
    		this.description = description;
    		return this;
    	}

		public String getLabel() {
			return this.label;
		}

		public ReportJobUnitFactory.UserType setLabel(String label) {
			if (label == null) {
    			throw new IllegalArgumentException("label is null");
    		}
			this.label = label;

			return this;
		}

		public Class getTypeClass() {
			return this.typeClass;
		}

		public Object createStructure(Map arg0) {
			ReportJobUnitFactory.User user = new ReportJobUnitFactory.User();
			if (arg0.containsKey("username") && arg0.get("username").getClass().equals(String.class)) {
				user.username = (String) arg0.get("username");
			} else {
				throw new IllegalArgumentException("no valid username configured");
			}

			if (arg0.containsKey("password") && arg0.get("password").getClass().equals(String.class)) {
				user.password = (String) arg0.get("password");
			} else {
				throw new IllegalArgumentException("no valid password configured");
			}

			return user;
		}

		public Map getItemTypes() {
			return null;
		}

		public IJobParameterType getUnknownItemType() {
			return null;
		}
    }