| | |
| | | package com.lf.server.service.data; |
| | | |
| | | import com.lf.server.entity.all.StaticData; |
| | | import com.lf.server.entity.ctrl.DownloadReqEntity; |
| | | import com.lf.server.entity.data.DownloadEntity; |
| | | import com.lf.server.helper.StringHelper; |
| | | import com.lf.server.entity.data.MetaEntity; |
| | | import com.lf.server.entity.show.PipelineEntity; |
| | | import com.lf.server.entity.sys.UserEntity; |
| | | import com.lf.server.helper.*; |
| | | import com.lf.server.mapper.data.DownloadMapper; |
| | | import net.lingala.zip4j.ZipFile; |
| | | import net.lingala.zip4j.model.FileHeader; |
| | | import net.lingala.zip4j.model.ZipParameters; |
| | | import org.apache.commons.logging.Log; |
| | | import org.apache.commons.logging.LogFactory; |
| | | import org.springframework.beans.factory.annotation.Autowired; |
| | | import org.springframework.stereotype.Service; |
| | | |
| | | import java.io.File; |
| | | import java.util.ArrayList; |
| | | import java.util.Date; |
| | | import java.util.List; |
| | | |
| | | /** |
| | |
| | | @Service |
| | | public class DownloadService implements DownloadMapper { |
| | | @Autowired |
| | | PathHelper pathHelper; |
| | | |
| | | @Autowired |
| | | DownloadMapper downloadMapper; |
| | | |
| | | private final static Log log = LogFactory.getLog(DownloadService.class); |
| | | |
| | | @Override |
| | | public Integer selectCount(String name) { |
| | |
| | | } |
| | | |
| | | @Override |
| | | public Integer selectCountForUser(Integer createUser, Integer type, String name) { |
| | | name = StringHelper.getLikeStr(name); |
| | | |
| | | return downloadMapper.selectCountForUser(createUser, type, name); |
| | | } |
| | | |
| | | @Override |
| | | public List<DownloadEntity> selectByPageForUser(Integer createUser, Integer type, String name, Integer limit, Integer offset) { |
| | | name = StringHelper.getLikeStr(name); |
| | | |
| | | return downloadMapper.selectByPageForUser(createUser, type, name, limit, offset); |
| | | } |
| | | |
| | | @Override |
| | | public List<DownloadEntity> selectAll() { |
| | | return downloadMapper.selectAll(); |
| | | } |
| | |
| | | @Override |
| | | public DownloadEntity selectById(int id) { |
| | | return downloadMapper.selectById(id); |
| | | } |
| | | |
| | | @Override |
| | | public DownloadEntity selectByGuid(String guid) { |
| | | return downloadMapper.selectByGuid(guid); |
| | | } |
| | | |
| | | @Override |
| | |
| | | public Integer updates(List<DownloadEntity> list) { |
| | | return downloadMapper.updates(list); |
| | | } |
| | | |
| | | /** |
| | | * 获取下载文件路径 |
| | | * |
| | | * @param de 下载实体类 |
| | | * @return 下载文件路径 |
| | | */ |
| | | public String getDownloadFilePath(DownloadEntity de) { |
| | | return pathHelper.getConfig().getDownloadPath() + File.separator + de.getUrl(); |
| | | } |
| | | |
| | | /** |
| | | * 解密 |
| | | * |
| | | * @param reqEntity 请求下载实体类 |
| | | * @return 是/否解密成功 |
| | | */ |
| | | public static boolean decryptPwd(DownloadReqEntity reqEntity) { |
| | | try { |
| | | String pwd = RsaHelper.decrypt(reqEntity.getPwd()); |
| | | if (StringHelper.isEmpty(pwd)) { |
| | | return false; |
| | | } |
| | | |
| | | reqEntity.setPwd(pwd); |
| | | |
| | | return true; |
| | | } catch (Exception ex) { |
| | | log.error(ex.getMessage(), ex); |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 解密 |
| | | * |
| | | * @param pe 管道分析实体类 |
| | | * @return 是/否解密成功 |
| | | */ |
| | | public static boolean decryptPwd(PipelineEntity pe) { |
| | | try { |
| | | String pwd = RsaHelper.decrypt(pe.getPwd()); |
| | | if (StringHelper.isEmpty(pwd)) { |
| | | return false; |
| | | } |
| | | |
| | | pe.setPwd(pwd); |
| | | |
| | | return true; |
| | | } catch (Exception ex) { |
| | | log.error(ex.getMessage(), ex); |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 解密 |
| | | * |
| | | * @param pwd 加密密码 |
| | | * @return 原始密码 |
| | | */ |
| | | public static String decryptPwd(String pwd) { |
| | | try { |
| | | return RsaHelper.decrypt(pwd); |
| | | } catch (Exception ex) { |
| | | log.error(ex.getMessage(), ex); |
| | | return null; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 打包文件 |
| | | * |
| | | * @param ue 用户实体 |
| | | * @param list 元数据文件集合 |
| | | * @param pwd 密码 |
| | | * @return 下载文件GUID |
| | | */ |
| | | public String zipFiles(UserEntity ue, List<MetaEntity> list, String pwd) throws Exception { |
| | | rmRepeatMetaFiles(list); |
| | | |
| | | String downloadPath = pathHelper.getDownloadFullPath(); |
| | | String zipName = StringHelper.YMDHMS2_FORMAT.format(new Date()) + ".zip"; |
| | | String zipFile = downloadPath + File.separator + zipName; |
| | | |
| | | ZipFile zip = Zip4jHelper.createZipFile(zipFile, pwd); |
| | | ZipParameters params = Zip4jHelper.getZipParams(); |
| | | addMetaFiles(zip, params, list); |
| | | |
| | | String dbPwd = Md5Helper.reverse(Md5Helper.generate(pwd)); |
| | | DownloadEntity downloadEntity = getDownloadEntity(ue, zipFile, dbPwd); |
| | | int rows = downloadMapper.insert(downloadEntity); |
| | | |
| | | return rows > 0 ? downloadEntity.getGuid() : null; |
| | | } |
| | | |
| | | /** |
| | | * 移除重复的元数据文件 |
| | | */ |
| | | private void rmRepeatMetaFiles(List<MetaEntity> list) { |
| | | List<String> guidList = new ArrayList<>(); |
| | | |
| | | int i = 0; |
| | | while (i < list.size()) { |
| | | MetaEntity entity = list.get(i); |
| | | if (guidList.contains(entity.getGuid())) { |
| | | list.remove(i); |
| | | continue; |
| | | } |
| | | |
| | | guidList.add(entity.getGuid()); |
| | | i++; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 添加元数据文件至Zip包 |
| | | */ |
| | | private void addMetaFiles(ZipFile zip, ZipParameters params, List<MetaEntity> list) { |
| | | int i = 1; |
| | | String uploadPath = pathHelper.getConfig().getUploadPath(); |
| | | for (MetaEntity mf : list) { |
| | | try { |
| | | switch ("." + mf.getType()) { |
| | | case StaticData.MPT: |
| | | addMultiFile(i++, uploadPath, mf, zip, params, StaticData.MPT_EXT); |
| | | break; |
| | | case StaticData.IMG: |
| | | addMultiFile(i++, uploadPath, mf, zip, params, StaticData.IMG_EXT); |
| | | break; |
| | | case StaticData.TIF: |
| | | addMultiFile(i++, uploadPath, mf, zip, params, StaticData.TIF_EXT); |
| | | break; |
| | | case StaticData.TIFF: |
| | | addMultiFile(i++, uploadPath, mf, zip, params, StaticData.TIFF_EXT); |
| | | break; |
| | | case StaticData.SHP: |
| | | addMultiFile(i++, uploadPath, mf, zip, params, StaticData.SHP_EXT); |
| | | break; |
| | | case StaticData.GDB: |
| | | addFolderFile(i++, uploadPath, mf, zip, params); |
| | | break; |
| | | default: |
| | | addSingleFile(i++, uploadPath, mf, zip, params); |
| | | break; |
| | | } |
| | | |
| | | } catch (Exception ex) { |
| | | log.error(ex.getMessage(), ex); |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 添加目录文件 |
| | | */ |
| | | private void addFolderFile(int i, String uploadPath, MetaEntity mf, ZipFile zip, ZipParameters params) throws Exception { |
| | | |
| | | } |
| | | |
| | | /** |
| | | * 添加多文件 |
| | | */ |
| | | private void addMultiFile(int i, String uploadPath, MetaEntity mf, ZipFile zip, ZipParameters params, List<String> extList) throws Exception { |
| | | addSingleFile(i, uploadPath, mf, zip, params); |
| | | |
| | | for (String ext : extList) { |
| | | File file = new File(uploadPath + File.separator + mf.getPath().replace("." + mf.getType(), ext)); |
| | | if (!file.exists() || !file.isDirectory()) { |
| | | continue; |
| | | } |
| | | zip.addFile(file, params); |
| | | |
| | | String fileName = FileHelper.getFileName(file.getPath()); |
| | | FileHeader header = zip.getFileHeader(fileName); |
| | | if (null != header) { |
| | | zip.renameFile(header, i + "_" + mf.getName().replace("." + mf.getType(), ext)); |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 添加单文件 |
| | | */ |
| | | private void addSingleFile(int i, String uploadPath, MetaEntity mf, ZipFile zip, ZipParameters params) throws Exception { |
| | | File file = new File(uploadPath + File.separator + mf.getPath()); |
| | | zip.addFile(file, params); |
| | | |
| | | String fileName = FileHelper.getFileName(file.getPath()); |
| | | FileHeader header = zip.getFileHeader(fileName); |
| | | if (null != header) { |
| | | zip.renameFile(header, i + "_" + mf.getName()); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 获取下载实体类 |
| | | */ |
| | | private DownloadEntity getDownloadEntity(UserEntity ue, String file, String pwd) throws Exception { |
| | | DownloadEntity de = new DownloadEntity(); |
| | | de.setName(FileHelper.getFileName(file)); |
| | | // 1-Shp文件,2-专题图,3-元数据 |
| | | de.setType(3); |
| | | de.setSizes(FileHelper.sizeToMb(new File(file).length())); |
| | | de.setDepid(ue.getDepid()); |
| | | de.setDcount(0); |
| | | de.setPwd(pwd); |
| | | de.setUrl(FileHelper.getRelativePath(file)); |
| | | de.setDescr("元数据文件"); |
| | | de.setGuid(FileHelper.getFileMd5(file)); |
| | | de.setCreateUser(ue.getId()); |
| | | // de.setGeom(null) |
| | | |
| | | return de; |
| | | } |
| | | } |