@Override public FileObject get() throws FileSystemException { final FileSystemManager fileSystem = fileSystemManagerProvider.get(); final FileObject folder = getTemporaryFolder(fileSystem); final String childName = System.currentTimeMillis() + "-"; return getChildFolder(fileSystem, folder, childName); }
private FileObject getTemporaryFolder(final FileSystemManager fileSystem) throws FileSystemException { return fileSystem.resolveFile(System.getProperty("java.io.tmpdir")); }
/** * Search for files that match the given regex pattern and create a list Then process each of * these files and update the status of the scan on the poll table * * @param entry the poll table entry for the scan * @param fileURI the file or directory to be scanned */ private void scanFileOrDirectory(final PollTableEntry entry, String fileURI) { FileObject fileObject = null; if (log.isDebugEnabled()) { log.debug("Scanning directory or file : " + VFSUtils.maskURLPassword(fileURI)); } boolean wasError = true; int retryCount = 0; int maxRetryCount = entry.getMaxRetryCount(); long reconnectionTimeout = entry.getReconnectTimeout(); while (wasError) { try { retryCount++; fileObject = fsManager.resolveFile(fileURI); if (fileObject == null) { log.error("fileObject is null"); throw new FileSystemException("fileObject is null"); } wasError = false; } catch (FileSystemException e) { if (retryCount >= maxRetryCount) { processFailure( "Repeatedly failed to resolve the file URI: " + VFSUtils.maskURLPassword(fileURI), e, entry); return; } else { log.warn( "Failed to resolve the file URI: " + VFSUtils.maskURLPassword(fileURI) + ", in attempt " + retryCount + ", " + e.getMessage() + " Retrying in " + reconnectionTimeout + " milliseconds."); } } if (wasError) { try { Thread.sleep(reconnectionTimeout); } catch (InterruptedException e2) { log.error("Thread was interrupted while waiting to reconnect.", e2); } } } try { if (fileObject.exists() && fileObject.isReadable()) { entry.setLastPollState(PollTableEntry.NONE); FileObject[] children = null; try { children = fileObject.getChildren(); } catch (FileSystemException ignore) { } // if this is a file that would translate to a single message if (children == null || children.length == 0) { boolean isFailedRecord = false; if (entry.getMoveAfterMoveFailure() != null) { isFailedRecord = isFailedRecord(fileObject, entry); } if (fileObject.getType() == FileType.FILE && !isFailedRecord) { if (!entry.isFileLockingEnabled() || (entry.isFileLockingEnabled() && VFSUtils.acquireLock(fsManager, fileObject))) { try { processFile(entry, fileObject); entry.setLastPollState(PollTableEntry.SUCCSESSFUL); metrics.incrementMessagesReceived(); } catch (AxisFault e) { logException("Error processing File URI : " + fileObject.getName(), e); entry.setLastPollState(PollTableEntry.FAILED); metrics.incrementFaultsReceiving(); } try { moveOrDeleteAfterProcessing(entry, fileObject); } catch (AxisFault axisFault) { logException( "File object '" + fileObject.getURL().toString() + "' " + "cloud not be moved", axisFault); entry.setLastPollState(PollTableEntry.FAILED); String timeStamp = VFSUtils.getSystemTime(entry.getFailedRecordTimestampFormat()); addFailedRecord(entry, fileObject, timeStamp); } if (entry.isFileLockingEnabled()) { VFSUtils.releaseLock(fsManager, fileObject); if (log.isDebugEnabled()) { log.debug( "Removed the lock file '" + fileObject.toString() + ".lock' of the file '" + fileObject.toString()); } } } else if (log.isDebugEnabled()) { log.debug("Couldn't get the lock for processing the file : " + fileObject.getName()); } else if (isFailedRecord) { if (entry.isFileLockingEnabled()) { VFSUtils.releaseLock(fsManager, fileObject); } // schedule a cleanup task if the file is there if (fsManager.resolveFile(fileObject.getURL().toString()) != null && removeTaskState == STATE_STOPPED && entry.getMoveAfterMoveFailure() != null) { workerPool.execute(new FileRemoveTask(entry, fileObject)); } if (log.isDebugEnabled()) { log.debug( "File '" + fileObject.getURL() + "' has been marked as a failed" + " record, it will not process"); } } } } else { int failCount = 0; int successCount = 0; if (log.isDebugEnabled()) { log.debug("File name pattern : " + entry.getFileNamePattern()); } for (FileObject child : children) { boolean isFailedRecord = false; if (entry.getMoveAfterMoveFailure() != null) { isFailedRecord = isFailedRecord(child, entry); } if (log.isDebugEnabled()) { log.debug("Matching file : " + child.getName().getBaseName()); } if ((entry.getFileNamePattern() != null) && (child.getName().getBaseName().matches(entry.getFileNamePattern())) && (!entry.isFileLockingEnabled() || (entry.isFileLockingEnabled() && VFSUtils.acquireLock(fsManager, child))) && !isFailedRecord) { try { if (log.isDebugEnabled()) { log.debug("Processing file :" + child); } processFile(entry, child); successCount++; // tell moveOrDeleteAfterProcessing() file was success entry.setLastPollState(PollTableEntry.SUCCSESSFUL); metrics.incrementMessagesReceived(); } catch (Exception e) { logException("Error processing File URI : " + child.getName(), e); failCount++; // tell moveOrDeleteAfterProcessing() file failed entry.setLastPollState(PollTableEntry.FAILED); metrics.incrementFaultsReceiving(); } try { moveOrDeleteAfterProcessing(entry, child); } catch (AxisFault axisFault) { logException( "File object '" + child.getURL().toString() + "'cloud not be moved", axisFault); failCount++; entry.setLastPollState(PollTableEntry.FAILED); String timeStamp = VFSUtils.getSystemTime(entry.getFailedRecordTimestampFormat()); addFailedRecord(entry, child, timeStamp); } // if there is a failure or not we'll try to release the lock if (entry.isFileLockingEnabled()) { VFSUtils.releaseLock(fsManager, child); } } else if (!(!entry.isFileLockingEnabled() || (entry.isFileLockingEnabled() && VFSUtils.acquireLock(fsManager, fileObject))) && log.isDebugEnabled()) { log.debug("Couldn't get the lock for processing the file : " + child.getName()); } else if (isFailedRecord) { if (entry.isFileLockingEnabled()) { VFSUtils.releaseLock(fsManager, child); VFSUtils.releaseLock(fsManager, fileObject); } if (fsManager.resolveFile(child.getURL().toString()) != null && removeTaskState == STATE_STOPPED && entry.getMoveAfterMoveFailure() != null) { workerPool.execute(new FileRemoveTask(entry, child)); } if (log.isDebugEnabled()) { log.debug( "File '" + fileObject.getURL() + "' has been marked as a failed record, it will not " + "process"); } } } if (failCount == 0 && successCount > 0) { entry.setLastPollState(PollTableEntry.SUCCSESSFUL); } else if (successCount == 0 && failCount > 0) { entry.setLastPollState(PollTableEntry.FAILED); } else { entry.setLastPollState(PollTableEntry.WITH_ERRORS); } } // processing of this poll table entry is complete long now = System.currentTimeMillis(); entry.setLastPollTime(now); entry.setNextPollTime(now + entry.getPollInterval()); } else if (log.isDebugEnabled()) { log.debug( "Unable to access or read file or directory : " + VFSUtils.maskURLPassword(fileURI) + "." + " Reason: " + (fileObject.exists() ? (fileObject.isReadable() ? "Unknown reason" : "The file can not be read!") : "The file does not exists!")); } onPollCompletion(entry); } catch (FileSystemException e) { processFailure( "Error checking for existence and readability : " + VFSUtils.maskURLPassword(fileURI), e, entry); } }