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

List of usage examples for org.apache.commons.vfs2 FileObject getContent

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Introduction

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

Prototype

FileContent getContent() throws FileSystemException;

Source Link

Document

Returns this file's content.

Usage

From source file:org.apache.synapse.commons.vfs.VFSUtils.java

public synchronized static void markFailRecord(FileSystemManager fsManager, FileObject fo) {

    // generate a random fail value to ensure that there are no two parties
    // processing the same file
    Random random = new Random();
    byte[] failValue = (Long.toString((new Date()).getTime())).getBytes();

    try {//from   w  ww  .  j  a  v a  2 s.  co m
        String fullPath = fo.getName().getURI();
        int pos = fullPath.indexOf("?");
        if (pos != -1) {
            fullPath = fullPath.substring(0, pos);
        }
        FileObject failObject = fsManager.resolveFile(fullPath + ".fail");
        if (!failObject.exists()) {
            failObject.createFile();
        }

        // write a lock file before starting of the processing, to ensure that the
        // item is not processed by any other parties

        OutputStream stream = failObject.getContent().getOutputStream();
        try {
            stream.write(failValue);
            stream.flush();
            stream.close();
        } catch (IOException e) {
            failObject.delete();
            log.error("Couldn't create the fail file before processing the file " + maskURLPassword(fullPath),
                    e);
        } finally {
            failObject.close();
        }
    } catch (FileSystemException fse) {
        log.error("Cannot get the lock for the file : " + maskURLPassword(fo.getName().getURI())
                + " before processing");
    }
}

From source file:org.apache.synapse.commons.vfs.VFSUtils.java

private static boolean releaseLock(byte[] bLockValue, String sLockValue, FileObject lockObject,
        Boolean autoLockReleaseSameNode, Long autoLockReleaseInterval) {
    try {//from w ww . j  a  v a2s . co m
        InputStream is = lockObject.getContent().getInputStream();
        byte[] val = new byte[bLockValue.length];
        // noinspection ResultOfMethodCallIgnored
        is.read(val);
        String strVal = new String(val);
        // Lock format random:hostname:hostip:time
        String[] arrVal = strVal.split(":");
        String[] arrValNew = sLockValue.split(STR_SPLITER);
        if (arrVal.length == 4 && arrValNew.length == 4) {
            if (!autoLockReleaseSameNode
                    || (arrVal[1].equals(arrValNew[1]) && arrVal[2].equals(arrValNew[2]))) {
                long lInterval = 0;
                try {
                    lInterval = Long.parseLong(arrValNew[3]) - Long.parseLong(arrVal[3]);
                } catch (NumberFormatException nfe) {
                }
                if (autoLockReleaseInterval == null || autoLockReleaseInterval <= lInterval) {
                    try {
                        lockObject.delete();
                    } catch (Exception e) {
                        log.warn("Unable to delete the lock file during auto release cycle.", e);
                    } finally {
                        lockObject.close();
                    }
                    return true;
                }
            }
        }
    } catch (FileSystemException e) {
        log.error("Couldn't verify the lock", e);
        return false;
    } catch (IOException e) {
        log.error("Couldn't verify the lock", e);
        return false;
    }
    return false;
}

From source file:org.apache.synapse.transport.vfs.VFSTransportListener.java

/**
 * Process a single file through Axis2//from w w  w .  j av  a2 s.co  m
 * @param entry the PollTableEntry for the file (or its parent directory or archive)
 * @param file the file that contains the actual message pumped into Axis2
 * @throws AxisFault on error
 */
private void processFile(PollTableEntry entry, FileObject file) throws AxisFault {

    try {
        FileContent content = file.getContent();
        String fileName = file.getName().getBaseName();
        String filePath = file.getName().getPath();
        String fileURI = file.getName().getURI();

        metrics.incrementBytesReceived(content.getSize());

        Map<String, Object> transportHeaders = new HashMap<String, Object>();
        transportHeaders.put(VFSConstants.FILE_PATH, filePath);
        transportHeaders.put(VFSConstants.FILE_NAME, fileName);
        transportHeaders.put(VFSConstants.FILE_URI, fileURI);

        try {
            transportHeaders.put(VFSConstants.FILE_LENGTH, content.getSize());
            transportHeaders.put(VFSConstants.LAST_MODIFIED, content.getLastModifiedTime());
        } catch (FileSystemException ignore) {
        }

        MessageContext msgContext = entry.createMessageContext();

        String contentType = entry.getContentType();
        if (BaseUtils.isBlank(contentType)) {
            if (file.getName().getExtension().toLowerCase().endsWith(".xml")) {
                contentType = "text/xml";
            } else if (file.getName().getExtension().toLowerCase().endsWith(".txt")) {
                contentType = "text/plain";
            }
        } else {
            // Extract the charset encoding from the configured content type and
            // set the CHARACTER_SET_ENCODING property as e.g. SOAPBuilder relies on this.
            String charSetEnc = null;
            try {
                if (contentType != null) {
                    charSetEnc = new ContentType(contentType).getParameter("charset");
                }
            } catch (ParseException ex) {
                // ignore
            }
            msgContext.setProperty(Constants.Configuration.CHARACTER_SET_ENCODING, charSetEnc);
        }

        // if the content type was not found, but the service defined it.. use it
        if (contentType == null) {
            if (entry.getContentType() != null) {
                contentType = entry.getContentType();
            } else if (VFSUtils.getProperty(content, BaseConstants.CONTENT_TYPE) != null) {
                contentType = VFSUtils.getProperty(content, BaseConstants.CONTENT_TYPE);
            }
        }

        // does the service specify a default reply file URI ?
        String replyFileURI = entry.getReplyFileURI();
        if (replyFileURI != null) {
            msgContext.setProperty(Constants.OUT_TRANSPORT_INFO,
                    new VFSOutTransportInfo(replyFileURI, entry.isFileLockingEnabled()));
        }

        // Determine the message builder to use
        Builder builder;
        if (contentType == null) {
            log.debug("No content type specified. Using SOAP builder.");
            builder = new SOAPBuilder();
        } else {
            int index = contentType.indexOf(';');
            String type = index > 0 ? contentType.substring(0, index) : contentType;
            builder = BuilderUtil.getBuilderFromSelector(type, msgContext);
            if (builder == null) {
                if (log.isDebugEnabled()) {
                    log.debug("No message builder found for type '" + type + "'. Falling back to SOAP.");
                }
                builder = new SOAPBuilder();
            }
        }

        // set the message payload to the message context
        InputStream in;
        ManagedDataSource dataSource;
        if (builder instanceof DataSourceMessageBuilder && entry.isStreaming()) {
            in = null;
            dataSource = ManagedDataSourceFactory.create(new FileObjectDataSource(file, contentType));
        } else {
            in = new AutoCloseInputStream(content.getInputStream());
            dataSource = null;
        }

        try {
            OMElement documentElement;
            if (in != null) {
                documentElement = builder.processDocument(in, contentType, msgContext);
            } else {
                documentElement = ((DataSourceMessageBuilder) builder).processDocument(dataSource, contentType,
                        msgContext);
            }
            msgContext.setEnvelope(TransportUtils.createSOAPEnvelope(documentElement));

            handleIncomingMessage(msgContext, transportHeaders, null, //* SOAP Action - not applicable *//
                    contentType);
        } finally {
            if (dataSource != null) {
                dataSource.destroy();
            }
        }

        if (log.isDebugEnabled()) {
            log.debug("Processed file : " + VFSUtils.maskURLPassword(file.toString()) + " of Content-type : "
                    + contentType);
        }

    } catch (FileSystemException e) {
        handleException(
                "Error reading file content or attributes : " + VFSUtils.maskURLPassword(file.toString()), e);

    } finally {
        try {
            if (file != null) {
                file.close();
            }
        } catch (FileSystemException warn) {
            // ignore the warning,  since we handed over the stream close job to
            // AutocloseInputstream..
        }
    }
}

From source file:org.apache.synapse.transport.vfs.VFSTransportSender.java

private void populateResponseFile(FileObject responseFile, MessageContext msgContext, boolean append,
        boolean lockingEnabled, FileSystemOptions fso) throws AxisFault {
    MessageFormatter messageFormatter = getMessageFormatter(msgContext);
    OMOutputFormat format = BaseUtils.getOMOutputFormat(msgContext);

    try {//from www . jav a 2  s.  c om
        CountingOutputStream os = new CountingOutputStream(responseFile.getContent().getOutputStream(append));
        try {
            messageFormatter.writeTo(msgContext, format, os, true);
        } finally {
            os.close();
        }

        // update metrics
        metrics.incrementMessagesSent(msgContext);
        metrics.incrementBytesSent(msgContext, os.getByteCount());

    } catch (FileSystemException e) {
        if (lockingEnabled) {
            VFSUtils.releaseLock(fsManager, responseFile, fso);
        }
        metrics.incrementFaultsSending();
        handleException("IO Error while creating response file : "
                + VFSUtils.maskURLPassword(responseFile.getName().getURI()), e);
    } catch (IOException e) {
        if (lockingEnabled) {
            VFSUtils.releaseLock(fsManager, responseFile, fso);
        }
        metrics.incrementFaultsSending();
        handleException("IO Error while creating response file : "
                + VFSUtils.maskURLPassword(responseFile.getName().getURI()), e);
    }
}

From source file:org.apache.zeppelin.notebook.repo.OldVFSNotebookRepo.java

private Note getNote(FileObject noteDir) throws IOException {
    if (!isDirectory(noteDir)) {
        throw new IOException(noteDir.getName().toString() + " is not a directory");
    }/*  w  w w.  ja  v a2s. com*/

    FileObject noteJson = noteDir.resolveFile("note.json", NameScope.CHILD);
    if (!noteJson.exists()) {
        throw new IOException(noteJson.getName().toString() + " not found");
    }

    FileContent content = noteJson.getContent();
    InputStream ins = content.getInputStream();
    String json = IOUtils.toString(ins, conf.getString(ConfVars.ZEPPELIN_ENCODING));
    ins.close();

    return Note.fromJson(json);
}

From source file:org.apache.zeppelin.notebook.repo.OldVFSNotebookRepo.java

@Override
public synchronized void save(Note note, AuthenticationInfo subject) throws IOException {
    LOG.info("Saving note:" + note.getId());
    String json = note.toJson();/*from   ww w .  j av a2  s  .c o  m*/

    FileObject rootDir = getRootDir();

    FileObject noteDir = rootDir.resolveFile(note.getId(), NameScope.CHILD);

    if (!noteDir.exists()) {
        noteDir.createFolder();
    }
    if (!isDirectory(noteDir)) {
        throw new IOException(noteDir.getName().toString() + " is not a directory");
    }

    FileObject noteJson = noteDir.resolveFile(".note.json", NameScope.CHILD);
    // false means not appending. creates file if not exists
    OutputStream out = noteJson.getContent().getOutputStream(false);
    out.write(json.getBytes(conf.getString(ConfVars.ZEPPELIN_ENCODING)));
    out.close();
    noteJson.moveTo(noteDir.resolveFile("note.json", NameScope.CHILD));
}

From source file:org.apache.zeppelin.notebook.repo.VFSNotebookRepo.java

private Note getNote(FileObject noteDir) throws IOException {
    if (!isDirectory(noteDir)) {
        throw new IOException(noteDir.getName().toString() + " is not a directory");
    }//from  w ww. j  a  va2s . c om

    FileObject noteJson = noteDir.resolveFile("note.json", NameScope.CHILD);
    if (!noteJson.exists()) {
        throw new IOException(noteJson.getName().toString() + " not found");
    }

    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.setPrettyPrinting();
    Gson gson = gsonBuilder.create();

    FileContent content = noteJson.getContent();
    InputStream ins = content.getInputStream();
    String json = IOUtils.toString(ins, conf.getString(ConfVars.ZEPPELIN_ENCODING));
    ins.close();

    Note note = gson.fromJson(json, Note.class);
    //    note.setReplLoader(replLoader);
    //    note.jobListenerFactory = jobListenerFactory;

    for (Paragraph p : note.getParagraphs()) {
        if (p.getStatus() == Status.PENDING || p.getStatus() == Status.RUNNING) {
            p.setStatus(Status.ABORT);
        }
    }

    return note;
}

From source file:org.apache.zeppelin.notebook.repo.VFSNotebookRepo.java

@Override
public void save(Note note) throws IOException {
    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.setPrettyPrinting();// w w w .  j  a  v a  2s.c  om
    Gson gson = gsonBuilder.create();
    String json = gson.toJson(note);

    FileObject rootDir = getRootDir();

    FileObject noteDir = rootDir.resolveFile(note.id(), NameScope.CHILD);

    if (!noteDir.exists()) {
        noteDir.createFolder();
    }
    if (!isDirectory(noteDir)) {
        throw new IOException(noteDir.getName().toString() + " is not a directory");
    }

    FileObject noteJson = noteDir.resolveFile("note.json", NameScope.CHILD);
    // false means not appending. creates file if not exists
    OutputStream out = noteJson.getContent().getOutputStream(false);
    out.write(json.getBytes(conf.getString(ConfVars.ZEPPELIN_ENCODING)));
    out.close();
}

From source file:org.celeria.minecraft.backup.ArchiveWorldTask.java

private void archiveFile(final FileObject baseFolder, final FileObject file) throws IOException {
    archive.write(relativeNameOf(baseFolder, file), file.getContent());
}

From source file:org.celeria.minecraft.backup.ArchiveWorldTaskFactory.java

private OutputStream streamFor(final FileObject file) throws FileSystemException {
    return file.getContent().getOutputStream();
}