Example usage for org.apache.commons.vfs2 FileObject getName

Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileObject getName.

Prototype

FileName getName();

Source Link

Document

Returns the name of this file.

Usage

From source file:org.wso2.carbon.transport.filesystem.connector.server.FileSystemConsumer.java

/**
 * Handle directory with child elements.
 *
 * @param children The array containing child elements of a folder
 *///from   w w w.j  a v  a  2 s .co  m
private void directoryHandler(FileObject[] children) throws FileSystemServerConnectorException {
    // Sort the files according to given properties
    String strSortParam = fileProperties.get(Constants.FILE_SORT_PARAM);

    // TODO: rethink the way the string constants are handled
    if (strSortParam != null && !"NONE".equals(strSortParam)) {
        if (log.isDebugEnabled()) {
            log.debug("Starting to sort the files in folder: "
                    + FileTransportUtils.maskURLPassword(listeningDirURI));
        }

        String strSortOrder = fileProperties.get(Constants.FILE_SORT_ORDER);
        boolean bSortOrderAscending = true;

        if (strSortOrder != null) {
            bSortOrderAscending = Boolean.parseBoolean(strSortOrder);
        }
        if (log.isDebugEnabled()) {
            log.debug("Sorting the files by : " + strSortOrder + ". (" + bSortOrderAscending + ")");
        }
        switch (strSortParam) {
        case Constants.FILE_SORT_VALUE_NAME:
            if (bSortOrderAscending) {
                Arrays.sort(children, new FileNameAscComparator());
            } else {
                Arrays.sort(children, new FileNameDesComparator());
            }
            break;
        case Constants.FILE_SORT_VALUE_SIZE:
            if (bSortOrderAscending) {
                Arrays.sort(children, new FileSizeAscComparator());
            } else {
                Arrays.sort(children, new FileSizeDesComparator());
            }
            break;
        case Constants.FILE_SORT_VALUE_LASTMODIFIEDTIMESTAMP:
            if (bSortOrderAscending) {
                Arrays.sort(children, new FileLastmodifiedtimestampAscComparator());
            } else {
                Arrays.sort(children, new FileLastmodifiedtimestampDesComparator());
            }
            break;
        default:
            log.warn("Invalid value given for " + Constants.FILE_SORT_PARAM + " parameter. "
                    + " Expected one of the values: " + Constants.FILE_SORT_VALUE_NAME + ", "
                    + Constants.FILE_SORT_VALUE_SIZE + " or " + Constants.FILE_SORT_VALUE_LASTMODIFIEDTIMESTAMP
                    + ". Found: " + strSortParam);
            break;
        }
        if (log.isDebugEnabled()) {
            log.debug("End sorting the files.");
        }
    }
    for (FileObject child : children) {
        if (fileProcessCount != 0 && processCount > fileProcessCount) {
            return;
        }
        if (child.getName().getBaseName().endsWith(".lock")
                || child.getName().getBaseName().endsWith(".fail")) {
            continue;
        }
        if (!(fileNamePattern == null || child.getName().getBaseName().matches(fileNamePattern))) {
            if (log.isDebugEnabled()) {
                log.debug("File " + FileTransportUtils.maskURLPassword(listeningDir.getName().getBaseName())
                        + " is not processed because it did not match the specified pattern.");
            }
        } else {
            FileType childType = getFileType(child);
            if (childType == FileType.FOLDER) {
                FileObject[] c = null;
                try {
                    c = child.getChildren();
                } catch (FileSystemException ignored) {
                    if (log.isDebugEnabled()) {
                        log.debug("The file does not exist, or is not a folder, or an error "
                                + "has occurred when trying to list the children. File URI : "
                                + FileTransportUtils.maskURLPassword(listeningDirURI), ignored);
                    }
                }

                // if this is a file that would translate to a single message
                if (c == null || c.length == 0) {
                    if (log.isDebugEnabled()) {
                        log.debug("Folder at " + FileTransportUtils.maskURLPassword(child.getName().getURI())
                                + " is empty.");
                    }
                } else {
                    directoryHandler(c);
                }
                postProcess(child, false);
            } else {
                fileHandler(child);
            }
        }
    }
}

---

From source file:org.wso2.carbon.transport.filesystem.connector.server.FileSystemConsumer.java

/**
 * Process a single file.//  ww  w  .j  a  v  a  2s  . c  o m
 *
 * @param file A single file to be processed
 */
private void fileHandler(FileObject file) {
    String uri = file.getName().getURI();
    synchronized (this) {
        if (postProcessAction.equals(Constants.ACTION_NONE) && processed.contains(uri)) {
            if (log.isDebugEnabled()) {
                log.debug("The file: " + FileTransportUtils.maskURLPassword(uri) + " is already processed");
            }
            return;
        }
    }
    if (!postProcessAction.equals(Constants.ACTION_NONE) && isFailRecord(file)) {
        // it is a failed record
        try {
            postProcess(file, false);
        } catch (FileSystemServerConnectorException e) {
            log.error("File object '" + FileTransportUtils.maskURLPassword(uri) + "'could not complete action "
                    + postProcessAction + ", will remain in \"fail\" state", e);
        }
    } else {
        if (FileTransportUtils.acquireLock(fsManager, file, fso)) {
            if (log.isInfoEnabled()) {
                log.info(
                        "Processing file :" + FileTransportUtils.maskURLPassword(file.getName().getBaseName()));
            }
            FileSystemProcessor fsp = new FileSystemProcessor(messageProcessor, serviceName, file,
                    timeOutInterval, uri, this, postProcessAction);
            fsp.startProcessThread();
            processCount++;
        } else {
            log.warn("Couldn't get the lock for processing the file: "
                    + FileTransportUtils.maskURLPassword(file.getName().toString()));
        }
    }
}

---

From source file:org.wso2.carbon.transport.filesystem.connector.server.FileSystemConsumer.java

/**
 * Do the post processing actions./* w  ww.  j  ava  2 s  .c  o  m*/
 *
 * @param file The file object which needs to be post processed
 * @param processFailed Whether processing of file failed
 */
synchronized void postProcess(FileObject file, boolean processFailed)
        throws FileSystemServerConnectorException {
    String moveToDirectoryURI = null;
    FileType fileType = getFileType(file);
    if (!processFailed) {
        if (postProcessAction.equals(Constants.ACTION_MOVE)) {
            moveToDirectoryURI = fileProperties.get(Constants.MOVE_AFTER_PROCESS);
        }
    } else {
        if (postFailureAction.equals(Constants.ACTION_MOVE)) {
            moveToDirectoryURI = fileProperties.get(Constants.MOVE_AFTER_FAILURE);
        }
    }

    if (moveToDirectoryURI != null) {
        try {
            if (getFileType(fsManager.resolveFile(moveToDirectoryURI, fso)) == FileType.FILE) {
                moveToDirectoryURI = null;
                if (processFailed) {
                    postFailureAction = Constants.ACTION_NONE;
                } else {
                    postProcessAction = Constants.ACTION_NONE;
                }
                if (log.isDebugEnabled()) {
                    log.debug(
                            "Cannot move file because provided location is not a folder. File is kept at source");
                }
            }
        } catch (FileSystemException e) {
            errorHandler
                    .handleError(
                            new FileSystemServerConnectorException(
                                    "Error occurred when resolving move destination file: "
                                            + FileTransportUtils.maskURLPassword(listeningDirURI),
                                    e),
                            null, null);
        }
    }

    try {
        if (!(moveToDirectoryURI == null || fileType == FileType.FOLDER)) {
            FileObject moveToDirectory;
            String relativeName = file.getName().getURI().split(listeningDir.getName().getURI())[1];
            int index = relativeName.lastIndexOf(File.separator);
            moveToDirectoryURI += relativeName.substring(0, index);
            moveToDirectory = fsManager.resolveFile(moveToDirectoryURI, fso);
            String prefix;
            if (fileProperties.get(Constants.MOVE_TIMESTAMP_FORMAT) != null) {
                prefix = new SimpleDateFormat(fileProperties.get(Constants.MOVE_TIMESTAMP_FORMAT))
                        .format(new Date());
            } else {
                prefix = "";
            }

            //Forcefully create the folder(s) if does not exists
            String strForceCreateFolder = fileProperties.get(Constants.FORCE_CREATE_FOLDER);
            if (strForceCreateFolder != null && strForceCreateFolder.equalsIgnoreCase("true")
                    && !moveToDirectory.exists()) {
                moveToDirectory.createFolder();
            }

            FileObject dest = moveToDirectory.resolveFile(prefix + file.getName().getBaseName());
            if (log.isDebugEnabled()) {
                log.debug("Moving to file :" + FileTransportUtils.maskURLPassword(dest.getName().getURI()));
            }
            if (log.isInfoEnabled()) {
                log.info("Moving file :" + FileTransportUtils.maskURLPassword(file.getName().getBaseName()));
            }
            try {
                file.moveTo(dest);
                if (isFailRecord(file)) {
                    releaseFail(file);
                }
            } catch (FileSystemException e) {
                if (!isFailRecord(file)) {
                    markFailRecord(file);
                }
                errorHandler.handleError(
                        new FileSystemServerConnectorException(
                                "Error moving file : " + FileTransportUtils.maskURLPassword(file.toString())
                                        + " to " + FileTransportUtils.maskURLPassword(moveToDirectoryURI),
                                e),
                        null, null);
            }

        } else {
            if (log.isDebugEnabled()) {
                log.debug("Deleting file :" + FileTransportUtils.maskURLPassword(file.getName().getBaseName()));
            }
            if (log.isInfoEnabled()) {
                log.info("Deleting file :" + FileTransportUtils.maskURLPassword(file.getName().getBaseName()));
            }
            try {
                if (!file.delete()) {
                    if (log.isDebugEnabled()) {
                        log.debug("Could not delete file : "
                                + FileTransportUtils.maskURLPassword(file.getName().getBaseName()));
                    }
                } else {
                    if (isFailRecord(file)) {
                        releaseFail(file);
                    }
                }
            } catch (FileSystemException e) {
                errorHandler.handleError(
                        new FileSystemServerConnectorException("Could not delete file : "
                                + FileTransportUtils.maskURLPassword(file.getName().getBaseName()), e),
                        null, null);
            }
        }
    } catch (FileSystemException e) {
        if (!isFailRecord(file)) {
            markFailRecord(file);
            errorHandler.handleError(
                    new FileSystemServerConnectorException("Error resolving directory to move file : "
                            + FileTransportUtils.maskURLPassword(moveToDirectoryURI), e),
                    null, null);
        }
    }
}

---

From source file:org.wso2.carbon.transport.filesystem.connector.server.FileSystemConsumer.java

/**
 * Determine whether file object is a file or a folder.
 *
 * @param fileObject    File to get the type of
 * @return              FileType of given file
 *//*w ww  .j av  a2  s . co m*/
private FileType getFileType(FileObject fileObject) throws FileSystemServerConnectorException {
    try {
        return fileObject.getType();
    } catch (FileSystemException e) {
        errorHandler.handleError(
                new FileSystemServerConnectorException("Error occurred when determining whether file: "
                        + FileTransportUtils.maskURLPassword(fileObject.getName().getURI())
                        + " is a file or a folder", e),
                null, null);
    }

    return FileType.IMAGINARY;
}

---

From source file:org.wso2.carbon.transport.filesystem.connector.server.FileSystemConsumer.java

/**
 * Mark a record as a failed record./*w w w  .ja v a  2 s. c o  m*/
 *
 * @param fo    File to be marked as failed
 */
private synchronized void markFailRecord(FileObject fo) {
    String fullPath = fo.getName().getURI();
    if (failed.contains(fullPath)) {
        if (log.isDebugEnabled()) {
            log.debug("File: " + FileTransportUtils.maskURLPassword(fullPath)
                    + " is already marked as a failed record.");
        }
        return;
    }
    failed.add(fullPath);
}

---

From source file:org.wso2.carbon.transport.filesystem.connector.server.FileSystemConsumer.java

/**
 * Determine whether a file is a failed record.
 *
 * @param fo    File to determine whether failed
 * @return      true if file is a failed file
 *//*from  w  w  w .j a v a  2 s .c o  m*/
private boolean isFailRecord(FileObject fo) {
    return failed.contains(fo.getName().getURI());
}

---

From source file:org.wso2.carbon.transport.filesystem.connector.server.FileSystemConsumer.java

/**
 * Releases a file from its failed state.
 *
 * @param fo    File to release from failed state
 *//*  ww  w. j a  v a  2 s .  c o  m*/
private synchronized void releaseFail(FileObject fo) {
    String fullPath = fo.getName().getURI();
    failed.remove(fullPath);
}

---

From source file:org.wso2.carbon.transport.filesystem.connector.server.util.FileTransportUtils.java

/**
 * Acquire the file level locking.//from ww  w.j  a  va2 s . c o m
 *
 * @param fsManager     The file system manager instance
 * @param fileObject    The file object to get the lock from
 * @param fsOpts        The file system options to be used with the file system manager
 * @return              Boolean value whether lock was successful
 */
public static synchronized boolean acquireLock(FileSystemManager fsManager, FileObject fileObject,
        FileSystemOptions fsOpts) {
    String strContext = fileObject.getName().getURI();

    // When processing a directory list is fetched initially. Therefore
    // there is still a chance of file processed by another process.
    // Need to check the source file before processing.
    try {
        String parentURI = fileObject.getParent().getName().getURI();
        if (parentURI.contains("?")) {
            String suffix = parentURI.substring(parentURI.indexOf("?"));
            strContext += suffix;
        }
        FileObject sourceFile = fsManager.resolveFile(strContext, fsOpts);
        if (!sourceFile.exists()) {
            return false;
        }
    } catch (FileSystemException e) {
        return false;
    }

    FileObject lockObject = null;

    try {
        // check whether there is an existing lock for this item, if so it is assumed
        // to be processed by an another listener (downloading) or a sender (uploading)
        // lock file is derived by attaching the ".lock" second extension to the file name
        String fullPath = fileObject.getName().getURI();
        int pos = fullPath.indexOf("?");
        if (pos != -1) {
            fullPath = fullPath.substring(0, pos);
        }
        lockObject = fsManager.resolveFile(fullPath + ".lock", fsOpts);
        if (lockObject.exists()) {
            log.debug("There seems to be an external lock, aborting the processing of the file "
                    + maskURLPassword(fileObject.getName().getURI())
                    + ". This could possibly be due to some other party already "
                    + "processing this file or the file is still being uploaded");
        } else if (processing.contains(fullPath)) {
            log.debug(maskURLPassword(fileObject.getName().getURI()) + "is already being processed.");
        } else {
            //Check the original file existence before the lock file to handle concurrent access scenario
            FileObject originalFileObject = fsManager.resolveFile(fullPath, fsOpts);
            if (!originalFileObject.exists()) {
                return false;
            }
            processing.add(fullPath);
            return true;
        }
    } catch (FileSystemException fse) {
        log.error("Cannot get the lock for the file : " + maskURLPassword(fileObject.getName().getURI())
                + " before processing", fse);
        if (lockObject != null) {
            try {
                fsManager.closeFileSystem(lockObject.getParent().getFileSystem());
            } catch (FileSystemException e) {
                log.warn("Unable to close the lockObject parent file system");
            }
        }
    }
    return false;
}

---

From source file:org.wso2.carbon.transport.filesystem.connector.server.util.FileTransportUtils.java

/**
 * Release a file item lock acquired at the start of processing.
 *
 * @param fileObject    File that needs the lock to be removed
 *///from  w w w. jav  a  2 s  .  co m
public static synchronized void releaseLock(FileObject fileObject) {
    String fullPath = fileObject.getName().getURI();
    processing.remove(fullPath);
}

---

From source file:org.wso2.carbon.transport.remotefilesystem.client.connector.contractimpl.VFSClientConnectorImpl.java

@Override
public void send(RemoteFileSystemMessage message) {
    FtpFileSystemConfigBuilder.getInstance().setPassiveMode(opts, true);
    String fileURI = connectorConfig.get(Constants.URI);
    String action = connectorConfig.get(Constants.ACTION);
    FileType fileType;//from   ww w . j a  v  a 2  s.  c om
    ByteBuffer byteBuffer;
    InputStream inputStream = null;
    OutputStream outputStream = null;
    FileObject path = null;
    try {
        FileSystemManager fsManager = VFS.getManager();
        path = fsManager.resolveFile(fileURI, opts);
        fileType = path.getType();
        switch (action) {
        case Constants.CREATE:
            boolean isFolder = Boolean
                    .parseBoolean(connectorConfig.getOrDefault(Constants.CREATE_FOLDER, "false"));
            if (path.exists()) {
                throw new RemoteFileSystemConnectorException("File already exists: " + path.getName().getURI());
            }
            if (isFolder) {
                path.createFolder();
            } else {
                path.createFile();
            }
            break;
        case Constants.WRITE:
            if (!path.exists()) {
                path.createFile();
                path.refresh();
                fileType = path.getType();
            }
            if (fileType == FileType.FILE) {
                byteBuffer = message.getBytes();
                byte[] bytes = byteBuffer.array();
                if (connectorConfig.get(Constants.APPEND) != null) {
                    outputStream = path.getContent()
                            .getOutputStream(Boolean.parseBoolean(connectorConfig.get(Constants.APPEND)));
                } else {
                    outputStream = path.getContent().getOutputStream();
                }
                outputStream.write(bytes);
                outputStream.flush();
            }
            break;
        case Constants.DELETE:
            if (path.exists()) {
                int filesDeleted = path.delete(Selectors.SELECT_ALL);
                if (logger.isDebugEnabled()) {
                    logger.debug(filesDeleted + " files successfully deleted");
                }
            } else {
                throw new RemoteFileSystemConnectorException(
                        "Failed to delete file: " + path.getName().getURI() + " not found");
            }
            break;
        case Constants.COPY:
            if (path.exists()) {
                String destination = connectorConfig.get(Constants.DESTINATION);
                FileObject dest = fsManager.resolveFile(destination, opts);
                dest.copyFrom(path, Selectors.SELECT_ALL);
            } else {
                throw new RemoteFileSystemConnectorException(
                        "Failed to copy file: " + path.getName().getURI() + " not found");
            }
            break;
        case Constants.MOVE:
            if (path.exists()) {
                //TODO: Improve this to fix issue #331
                String destination = connectorConfig.get(Constants.DESTINATION);
                FileObject newPath = fsManager.resolveFile(destination, opts);
                FileObject parent = newPath.getParent();
                if (parent != null && !parent.exists()) {
                    parent.createFolder();
                }
                if (!newPath.exists()) {
                    path.moveTo(newPath);
                } else {
                    throw new RemoteFileSystemConnectorException("The file at " + newPath.getURL().toString()
                            + " already exists or it is a directory");
                }
            } else {
                throw new RemoteFileSystemConnectorException(
                        "Failed to move file: " + path.getName().getURI() + " not found");
            }
            break;
        case Constants.READ:
            if (path.exists()) {
                //TODO: Do not assume 'path' always refers to a file
                inputStream = path.getContent().getInputStream();
                byte[] bytes = toByteArray(inputStream);
                RemoteFileSystemMessage fileContent = new RemoteFileSystemMessage(ByteBuffer.wrap(bytes));
                remoteFileSystemListener.onMessage(fileContent);
            } else {
                throw new RemoteFileSystemConnectorException(
                        "Failed to read file: " + path.getName().getURI() + " not found");
            }
            break;
        case Constants.EXISTS:
            RemoteFileSystemMessage fileContent = new RemoteFileSystemMessage(Boolean.toString(path.exists()));
            remoteFileSystemListener.onMessage(fileContent);
            break;
        default:
            break;
        }
        remoteFileSystemListener.done();
    } catch (RemoteFileSystemConnectorException | IOException e) {
        remoteFileSystemListener.onError(e);
    } finally {
        if (path != null) {
            try {
                path.close();
            } catch (FileSystemException e) {
                //Do nothing.
            }
        }
        closeQuietly(inputStream);
        closeQuietly(outputStream);
    }
}

---

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