Ejemplo n.º 1
0
 private boolean openWriter() {
   if (printWriter == null) {
     try {
       FileUtils.createDirectories(FileUtils.getParent(fileName));
       if (FileUtils.exists(fileName) && !FileUtils.canWrite(fileName)) {
         // read only database: don't log error if the trace file
         // can't be opened
         return false;
       }
       fileWriter = IOUtils.getBufferedWriter(FileUtils.newOutputStream(fileName, true));
       printWriter = new PrintWriter(fileWriter, true);
     } catch (Exception e) {
       logWritingError(e);
       return false;
     }
   }
   return true;
 }
Ejemplo n.º 2
0
 /**
  * Restores database files.
  *
  * @param zipFileName the name of the backup file
  * @param directory the directory name
  * @param db the database name (null for all databases)
  * @throws DbException if there is an IOException
  */
 public static void execute(String zipFileName, String directory, String db) {
   InputStream in = null;
   try {
     if (!FileUtils.exists(zipFileName)) {
       throw new IOException("File not found: " + zipFileName);
     }
     String originalDbName = null;
     int originalDbLen = 0;
     if (db != null) {
       originalDbName = getOriginalDbName(zipFileName, db);
       if (originalDbName == null) {
         throw new IOException("No database named " + db + " found");
       }
       if (originalDbName.startsWith(SysProperties.FILE_SEPARATOR)) {
         originalDbName = originalDbName.substring(1);
       }
       originalDbLen = originalDbName.length();
     }
     in = FileUtils.newInputStream(zipFileName);
     ZipInputStream zipIn = new ZipInputStream(in);
     while (true) {
       ZipEntry entry = zipIn.getNextEntry();
       if (entry == null) {
         break;
       }
       String fileName = entry.getName();
       // restoring windows backups on linux and vice versa
       fileName = fileName.replace('\\', SysProperties.FILE_SEPARATOR.charAt(0));
       fileName = fileName.replace('/', SysProperties.FILE_SEPARATOR.charAt(0));
       if (fileName.startsWith(SysProperties.FILE_SEPARATOR)) {
         fileName = fileName.substring(1);
       }
       boolean copy = false;
       if (db == null) {
         copy = true;
       } else if (fileName.startsWith(originalDbName + ".")) {
         fileName = db + fileName.substring(originalDbLen);
         copy = true;
       }
       if (copy) {
         OutputStream o = null;
         try {
           o =
               FileUtils.newOutputStream(
                   directory + SysProperties.FILE_SEPARATOR + fileName, false);
           IOUtils.copy(zipIn, o);
           o.close();
         } finally {
           IOUtils.closeSilently(o);
         }
       }
       zipIn.closeEntry();
     }
     zipIn.closeEntry();
     zipIn.close();
   } catch (IOException e) {
     throw DbException.convertIOException(e, zipFileName);
   } finally {
     IOUtils.closeSilently(in);
   }
 }