/**
 * 本例程演示了通過Web上傳文件過程中的進度顯示。您可以對本例程進行任何修改和使用。
 * 如果需要轉(zhuǎn)載本例程，請您注明作者。
 *
 * 作者： 劉作晨
 * EMail:liuzuochen@gmail.com
 */

package liuzuochen.sample.upload;

import org.apache.commons.fileupload.ProgressListener;
import javax.servlet.http.HttpServletRequest;

public class FileUploadListener implements ProgressListener{
	private HttpServletRequest request=null;

	public FileUploadListener(HttpServletRequest request){
		this.request=request;
	}

	/**
	 * 更新狀態(tài)
	 */
	public void update(long pBytesRead, long pContentLength, int pItems){
		FileUploadStatus statusBean= BackGroundService.getStatusBean(request);
		statusBean.setUploadTotalSize(pContentLength);
		//讀取完成
	    if (pContentLength == -1) {
	       statusBean.setStatus("完成對" + pItems +"個文件的讀取:讀取了 " + pBytesRead + " bytes.");
	       statusBean.setReadTotalSize(pBytesRead);
	       statusBean.setSuccessUploadFileCount(pItems);
	       statusBean.setProcessEndTime(System.currentTimeMillis());
	       statusBean.setProcessRunningTime(statusBean.getProcessEndTime());
	    //讀取中
	    } else {
	       statusBean.setStatus("當前正在處理第" + pItems +"個文件:已經(jīng)讀取了 " + pBytesRead + " / " + pContentLength+ " bytes.");
	       statusBean.setReadTotalSize(pBytesRead);
	       statusBean.setCurrentUploadFileNum(pItems);
	       statusBean.setProcessRunningTime(System.currentTimeMillis());
	    }
            BackGroundService.saveStatusBean(request,statusBean);
	}
}