/*
* 根据配置文件中key获得模块
*/
public static InputStream getTemplateByKey(String key) {
try {
if (key != null && !"".equals(key)) {
String templatePath = PropertiesUtil.getInstance().getProperty("excelExportTemplatePath");
String k_v = PropertiesUtil.getInstance().getProperty(key);
if (k_v != null && !"".equals(k_v)) {
String realPath = templatePath + "/" + new String(k_v.getBytes(), "UTF-8");
File file = new File(realPath);
if (!file.exists()) {
log.info(realPath + "：对应文件不存在！");
FileException fe = new FileException(FileExceptionType.FILE_EXCEPTION_ALLOWEDTYPES);
throw new GeneralException(fe.getErrorCode(), fe.getMessage(), fe, new Object[] {}) {};
}
return new FileInputStream(file);
} else {
log.info("配置文件中没有对应模块的键值对！");
FileException fe =
new FileException(FileExceptionType.FILE_EXCEPTION_PROPKEYVALNOTEXISTS);
throw new GeneralException(fe.getErrorCode(), fe.getMessage(), fe, new Object[] {}) {};
}
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/*
* 删除磁盘文件
*/
public static boolean deleteDiskFile(String path) {
File f = new File(path);
if (!f.exists()) {
FileException fe = new FileException(FileExceptionType.FILE_EXCEPTION_FILENOTEXISTS);
throw new GeneralException(fe.getErrorCode(), fe.getMessage(), fe, new Object[] {}) {};
}
return f.delete();
}
/*
* 创建文件名
*/
@SuppressWarnings("serial")
public static String createFileName(String fileName) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd_");
String name = formatter.format(new Date()) + UUID.randomUUID().toString();
if (fileName.lastIndexOf(".") != -1) {
// 得到后缀名
String extension = fileName.substring(fileName.lastIndexOf("."));
String allowedTypes = PropertiesUtil.getInstance().getProperty("allowedTypes").trim();
if (allowedTypes == null
|| "".equals(allowedTypes)
|| allowedTypes.indexOf(extension.substring(1, extension.length()).toLowerCase()) < 0) {
FileException fe = new FileException(FileExceptionType.FILE_EXCEPTION_ALLOWEDTYPES);
throw new GeneralException(fe.getErrorCode(), fe.getMessage(), fe, new Object[] {}) {};
}
name = name + extension;
}
return name;
}