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import java.io.File;import java.io.IOException;import java.io.UnsupportedEncodingException;import java.net.URLDecoder;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.zip.ZipEntry;import java.util.zip.ZipException;import javax.servlet.ServletOutputStream;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import net.lingala.zip4j.core.ZipFile;import net.lingala.zip4j.model.UnzipParameters;import net.lingala.zip4j.model.ZipParameters;import net.lingala.zip4j.util.Zip4jConstants;import org.apache.commons.fileupload.FileItem;import org.apache.commons.fileupload.FileItemFactory;import org.apache.commons.fileupload.FileUploadException;import org.apache.commons.fileupload.disk.DiskFileItemFactory;import org.apache.commons.fileupload.servlet.ServletFileUpload;import org.dom4j.DocumentException;import org.springframework.web.bind.ServletRequestBindingException;import org.springframework.web.servlet.ModelAndView;import org.springframework.web.servlet.mvc.multiaction.MultiActionController;import com.dps.service.KmlService;import com.dps.bean.MapAccessBean;import com.dps.common.GetRealPath;import com.dps.config.SysConfig;import com.dps.i18n.Catalog;

/**	 * 备份	 * 	 * @param request	 * @param response	 * @throws Exception	 */	//synchronized用来加锁	public synchronized void backUp(HttpServletRequest request, HttpServletResponse response)			throws Exception {		String data = "许可无效!";		if (!MapAccessBean.getIsValid()) {			response.setContentType("text/html;charset=UTF-8");			// location.reload();			// data="";			data = "";			System.out.println("key01" + data);			// response.sendRedirect("backUpAndRestore.htm");			response.getWriter().print(data);			return;		}				// 如果都没有选中		if(!("on".equals(request.getParameter("KMLModel")))&&!("on".equals(request.getParameter("lic")))){			data="请勾选需要还原的文件!";			response.setContentType("text/html;charset=UTF-8");			// location.reload();			// data="";			data = "";			// response.sendRedirect("backUpAndRestore.htm");			response.getWriter().print(data);			return;					}				// 在该位置判断,如果都没有进行勾选，则提示用户需要勾选备份		final String KMLModel = GetRealPath.getRootPath() + File.separatorChar + "KmlModel";		//final String KML = GetRealPath.getRootPath() + "\\KML";		final String images = GetRealPath.getRootPath() + File.separatorChar + "images";		final String layerTree = GetRealPath.getRootPath() + File.separatorChar + "tree.xml";		//final String sysconfig = GetRealPath.getRootPath()				//+ "\\sysconfig\\sysconfig.xml";		final String lic = GetRealPath.getRootPath() + File.separatorChar + "sysconfig" + File.separatorChar;		String filePath = tempPath + File.separatorChar + "backUp.zip";		File f = new File(tempPath);		if (!f.exists()){			f.mkdir();		}		f = new File(filePath);		if (f.exists()){			f.delete();		}		ZipFile zipFile = new ZipFile(filePath);			ZipParameters parameters = new ZipParameters();		// 设置压缩方法		parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);		parameters.setEncryptFiles(true);        parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_STANDARD); // 加密方式          parameters.setPassword("!@#$%^&*()");  		// 设置压缩级别		parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);		if ("on".equals(request.getParameter("KMLModel"))) {			f = new File(KMLModel);			if (!f.exists())				f.mkdir();			zipFile.addFolder(KMLModel, parameters);			zipFile.addFolder(images, parameters);			zipFile.addFile(new File(layerTree), parameters);		}//		if ("on".equals(request.getParameter("KML"))) {//			f = new File(KML);//			if (!f.exists())//				f.mkdir();//			zipFile.addFolder(KML, parameters);//		//		}//		if ("on".equals(request.getParameter("images")))//			zipFile.addFolder(images, parameters);//		if ("on".equals(request.getParameter("layerTree")))//			zipFile.addFile(new File(layerTree), parameters);//		if ("on".equals(request.getParameter("sysconfig")))//			zipFile.addFile(new File(sysconfig), parameters);		if ("on".equals(request.getParameter("lic"))) {			f = new File(lic);			String[] filelist = f.list();			if (f.list() != null) {				for (String fileName : filelist) {					if (fileName.lastIndexOf(".lic") != -1)						zipFile.addFile(new File(lic + fileName), parameters);				}			}		} 							 if (!zipFile.isValidZipFile()) {  	            throw new ZipException("压缩文件不合法,可能被损坏.");  	        }  		response.reset();		response.setContentType("application/zip");		response.setHeader("Content-Disposition",				"attachment; filename=backUp.zip");		java.io.FileInputStream in = new java.io.FileInputStream(filePath);		byte[] b = new byte[512];		ServletOutputStream o = null;		try {						o = response.getOutputStream();			int bytesRead;			while (-1 != (bytesRead = in.read(b, 0, b.length))) {				o.write(b, 0, bytesRead);			}			in.close();			o.close();			response.flushBuffer();					} catch (IOException e) {			in.close();			//o.close();			//response.flushBuffer();						System.out.println(e.getMessage());		} catch (Exception e) {						System.out.println(e.getMessage());		} finally {			// // o.close();			// if (o != null) {			// o.close();			// }			// if (in != null) {			// in.close();			// }		}		try {			File f2 = new File(filePath);			if (f2.exists()){				f2.delete();			}			//new File(filePath).delete();		} catch (Exception e) {			e.printStackTrace();		}	}	/**	 * 还原	 * 	 * @param request	 * @param response	 * @throws Exception	 */	public ModelAndView restore(HttpServletRequest request,			HttpServletResponse response)  {		ModelAndView modelAndView = new ModelAndView();		modelAndView.setViewName("backUpAndRestore");		File f = new File(tempPath);		System.out.println("tempPath:"+tempPath);		if (!f.exists())			f.mkdir();		String data = "许可无效!";		// 文件上传处理工厂		FileItemFactory factory = new DiskFileItemFactory();		// 创建文件上传处理器		ServletFileUpload upload = new ServletFileUpload(factory);		HashMap
   
     params = new HashMap
    
     ();		// 开始解析请求信息		List items = null;		try {			items = upload.parseRequest(request);			for (Iterator it = items.iterator(); it.hasNext();) {			FileItem fileItem = (FileItem) it.next();			if (fileItem.isFormField()) {				try {					params							.put(fileItem.getFieldName(), fileItem									.getString("UTF-8"));				} catch (UnsupportedEncodingException e) {					// TODO Auto-generated catch block					e.printStackTrace();				}			} else {				String fileName = fileItem.getName();				if (!fileName.endsWith(".zip")) {					try {						throw new Exception(Catalog								.getLocalizationForKey("KmlController.ZIPAllowed"));					} catch (Exception e) {						// TODO Auto-generated catch block						e.printStackTrace();					}				}				// 将文件写入				File file = new File(tempPath, "restore.zip");				try {					fileItem.write(file);				} catch (Exception e1) {					// TODO Auto-generated catch block					e1.printStackTrace();				}				// 解压								ZipFile zipFile;				try {					zipFile = new ZipFile(file);							if (!zipFile.isValidZipFile()) {  		            try {						throw new ZipException("压缩文件不合法,可能被损坏.");					} catch (ZipException e) {						// TODO Auto-generated catch block						e.printStackTrace();						data = "1";//压缩文件不合法,可能被损坏						modelAndView.addObject("message", data);						return modelAndView;					}  		        }  								if(zipFile.isEncrypted()){					zipFile.setPassword("!@#$%^&*()");					zipFile.extractAll(GetRealPath.getRootPath());				}else{					//data = "备份数据文件无效,请选择正确的压缩文件!";					data = "2";//"备份数据文件无效,请选择正确的压缩文件!";					modelAndView.addObject("message", data);					return modelAndView;				}					} catch (net.lingala.zip4j.exception.ZipException e1) {					// TODO Auto-generated catch block					e1.printStackTrace();					//data = "解压密码错误，请选择有效的文件!";					data = "3";//解压密码错误，请选择有效的文件!					modelAndView.addObject("message", data);					return modelAndView;				}				file.delete();			}		}			} catch (FileUploadException e1) {			// TODO Auto-generated catch block			e1.printStackTrace();		}				if (!MapAccessBean.getIsValid()) {			// response.setContentType("text/html;charset=UTF-8");			// location.reload();			// data="
     ";			// data="
     ";            data="4";			modelAndView.addObject("message", data);			return modelAndView;			// response.sendRedirect("backUpAndRestore.htm");			// response.getWriter().print(data);			// throw new			// Exception(Catalog.getLocalizationForKey("KmlController.licError"));		} else {			modelAndView.addObject("message", Catalog					.getLocalizationForKey("KmlController.restorSuccess"));			if ("on".equals(params.get("checkURL")))				try {					kmlService.checkIconUrl(request.getServerName() + ":"							+ request.getServerPort());				} catch (Exception e) {					// TODO Auto-generated catch block					e.printStackTrace();				}			// 重新加载系统配置			SysConfig.getInstance().init();		}		return modelAndView;	}
    
   

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