import org.apache.wicket.request.resource.ByteArrayResource; //导入依赖的package包/类
@Override
protected IModel<AbstractResource> getPhotoModel() {
	return new AbstractReadOnlyModel<AbstractResource>() {
		private static final long serialVersionUID = 1L;
		
		@Override
		public AbstractResource getObject() {
			byte[] jpegPhoto = null;
			O object = getModel().getObject();
			if (object instanceof FocusType) {
				jpegPhoto = ((FocusType) object).getJpegPhoto();
			}
			if (jpegPhoto == null) {
				return null;
			} else {
				return new ByteArrayResource("image/jpeg", jpegPhoto);
			}
		}
	};
}
 

import org.apache.wicket.request.resource.ByteArrayResource; //导入依赖的package包/类
@Override
protected IModel<AbstractResource> getPhotoModel() {
	return new AbstractReadOnlyModel<AbstractResource>() {
		private static final long serialVersionUID = 1L;

		@Override
		public AbstractResource getObject() {
			byte[] jpegPhoto = null;
			O object = getModel().getObject();
			if (object instanceof FocusType) {
				jpegPhoto = ((FocusType) object).getJpegPhoto();
			}
			if (jpegPhoto == null) {
				return null;
			} else {
				return new ByteArrayResource("image/jpeg", jpegPhoto);
			}
		}
	};
}
 

import org.apache.wicket.request.resource.ByteArrayResource; //导入依赖的package包/类
private Link<TableResource> createSaveToExcelLink(final IModel<Widget> model) {
	ByteArrayResource download;
	if (model.getObject() instanceof PivotWidget) {
		PivotWidget pivotWidget = (PivotWidget)model.getObject();												
		download = new PivotResource(pivotWidget);		
	} else if (model.getObject() instanceof DrillDownWidget) {
		download = new TableResource(model.getObject().getId(), ((DrillDownWidget)model.getObject()).getDrillEntityContext());
	} else {
		download = new TableResource(model.getObject().getId(), null);
	}
	ResourceLink resourceLink =  new ResourceLink<TableResource>(MenuPanel.LINK_ID, download);
	// see busy-indicator.js
	// we do not want a busy indicator in this situation
	resourceLink.add(new AttributeAppender("class", new Model<String>("noBusyIndicator"), " "));
	return resourceLink;
}
 

import org.apache.wicket.request.resource.ByteArrayResource; //导入依赖的package包/类
public HomePageByteArray(final PageParameters parameters) throws IOException {
	super(parameters);
	setVersioned(false);
	add(new ResourceLink<>("download", new ByteArrayResource("text/html"){
		@Override
		protected byte[] getData(Attributes attributes) {
			try {
				return IOUtils.toByteArray(WicketApplication.getInMemoryStream());
			} catch (IOException e) {
				e.printStackTrace();
				return null;
			}
		}
	}));
}
 

import org.apache.wicket.request.resource.ByteArrayResource; //导入依赖的package包/类
public RoomsPanel(String id, List<Room> rooms) {
	super(id);
	this.rooms = rooms;
	clients = new ListView<Client>("clients", clientsInRoom){
		private static final long serialVersionUID = 1L;

		@Override
		protected void populateItem(final ListItem<Client> item) {
			Client client = item.getModelObject();
			final Long userId = client.getUserId();
			item.add(new Image("clientImage", new ByteArrayResource("image/jpeg") {
				private static final long serialVersionUID = 1L;

				@Override
				protected ResourceResponse newResourceResponse(Attributes attributes) {
					ResourceResponse rr = super.newResourceResponse(attributes);
					rr.disableCaching();
					return rr;
				}

				@Override
				protected byte[] getData(Attributes attributes) {
					String uri = null;
					if (userId != null) {
						uri = getBean(UserDao.class).get(userId > 0 ? userId : -userId).getPictureuri();
					}
					File img = OmFileHelper.getUserProfilePicture(userId, uri);
					try (InputStream is = new FileInputStream(img)) {
						return IOUtils.toByteArray(is);
					} catch (Exception e) {
						//no-op
					}
					return null;
				}
			}));
			item.add(new Label("clientLogin", client.getUser().getLogin()));
			item.add(new Label("from", client.getConnectedSince()));
		}
	};
}
 

import org.apache.wicket.request.resource.ByteArrayResource; //导入依赖的package包/类
@Hidden
public IResource getCategoryLogo() {
    if (category.getLogo() != null) {
        return new ByteArrayResource(null, category.getLogo(), category.getLogoFileName());
    }

    return null;
}
 

import org.apache.wicket.request.resource.ByteArrayResource; //导入依赖的package包/类
public IResource getApplicationLogo() {
    if (applicationInstance.getApplication().getLogo() != null) {
        return new ByteArrayResource(null, applicationInstance.getApplication().getLogo(),
                applicationInstance.getApplication().getLogoFileName());
    }

    return null;
}
 

import org.apache.wicket.request.resource.ByteArrayResource; //导入依赖的package包/类
private Link<TableResource> createSaveToExcelLink(final IModel<TableData> model) {
	SimpleDateFormat sdf = new SimpleDateFormat("yyyy_MM_dd_HH-mm-ss");
	String fileName = "audit-" +  type.toLowerCase() + "-" + sdf.format(new Date()) + ".xls";
	ByteArrayResource download = new TableResource(excludeColumns(model.getObject()), fileName);		
	ResourceLink resourceLink =  new ResourceLink<TableResource>("download", download);
	// see busy-indicator.js
	// we do not want a busy indicator in this situation
	resourceLink.add(new AttributeAppender("class", new Model<String>("noBusyIndicator"), " "));
	return resourceLink;
}