product_helper.txt

《J2EE企业级应用开发》一书的配套源代码

private void setMediaHelper(String  mediaId)
	{
		try
		{
			
			MediaLocalHome slh=(MediaLocalHome)sl.getLocalHome(JNDINames.MEDIA);
			MediaLocal sup=slh.findByPrimaryKey(mediaId);
			if(sup!=null)
			{
				setMedia(sup);
			}
			else
			{
				sup=slh.create(mediaId);
				setMedia(sup);
			}
		}
		catch(ServiceLocatorException e)
		{
			System.out.println("cant find service"+JNDINames.MEDIA);
		}
		catch(FinderException e)
		{
			System.out.println("cant find supplier"+mediaId);
		}
		catch(CreateException e)
		{
		}
	}
	
	private void setCategoryHelper(String  categoryId)
	{
		try
		{
			
			CategoryLocalHome slh=(CategoryLocalHome)sl.getLocalHome(JNDINames.CATEGORY);
			CategoryLocal sup=slh.findByPrimaryKey(categoryId);
			if(sup!=null)
			{
				setCategory(sup);
			}
			else
			{
				sup=slh.create(categoryId);
				setCategory(sup);
			}
		}
		catch(ServiceLocatorException e)
		{
			System.out.println("cant find service"+JNDINames.CATEGORY);
		}
		catch(FinderException e)
		{
			System.out.println("cant find supplier"+categoryId);
		}
		catch(CreateException e)
		{
		}
	}