Example usage for org.apache.commons.net.ftp FTPFile getName

Introduction

In this page you can find the example usage for org.apache.commons.net.ftp FTPFile getName.

Prototype

public String getName() 

Source Link

Document

Return the name of the file.

Usage

From source file:org.apache.camel.component.file.remote.strategy.CachedFtpChangedExclusiveReadLockStrategy.java

@Override
public boolean acquireExclusiveReadLock(GenericFileOperations<FTPFile> operations, GenericFile<FTPFile> file,
        Exchange exchange) throws Exception {

    boolean exclusive = false;

    FTPFile target = file.getFile();

    FTPFile newStats = target;/* ww  w  . ja  va  2  s .c o m*/
    FTPFile oldStats = fileCache.get(target.getName());

    if (oldStats != null) {
        // There is no "created time" available when using FTP. So we can't check the minAge.
        if (newStats.getSize() >= getMinLength()
                && (oldStats.getSize() == newStats.getSize()
                        && oldStats.getTimestamp().equals(newStats.getTimestamp()))
                && ((System.currentTimeMillis()
                        - newStats.getTimestamp().getTimeInMillis()) >= getCheckInterval())) {
            LOG.debug("File [{}] seems to have stopped changing. Attempting to grab a read lock...", target);
            exclusive = true;
        } else {
            LOG.debug("File [{}] is still changing. Will check it again on the next poll.", target);
            fileCache.put(target.getName(), newStats);
            exclusive = false;
        }
    } else {
        LOG.debug("File [{}] is not yet known. Will add it to the cache and check again on the next poll.",
                target);
        fileCache.put(target.getName(), newStats);
        exclusive = false;
    }

    if (exclusive) {
        LOG.debug("Got an exclusive lock for file [{}].", target);
        fileCache.remove(target.getName());
    }
    return exclusive;
}

---

From source file:org.apache.camel.component.file.remote.strategy.FtpChangedExclusiveReadLockStrategy.java

public boolean acquireExclusiveReadLock(GenericFileOperations<FTPFile> operations, GenericFile<FTPFile> file,
        Exchange exchange) throws Exception {
    boolean exclusive = false;

    LOG.trace("Waiting for exclusive read lock to file: " + file);

    long lastModified = Long.MIN_VALUE;
    long length = Long.MIN_VALUE;
    StopWatch watch = new StopWatch();

    while (!exclusive) {
        // timeout check
        if (timeout > 0) {
            long delta = watch.taken();
            if (delta > timeout) {
                CamelLogger.log(LOG, readLockLoggingLevel,
                        "Cannot acquire read lock within " + timeout + " millis. Will skip the file: " + file);
                // we could not get the lock within the timeout period, so return false
                return false;
            }/*from   w w w  .j  a  v  a2 s  . com*/
        }

        long newLastModified = 0;
        long newLength = 0;
        List<FTPFile> files;
        if (fastExistsCheck) {
            // use the absolute file path to only pickup the file we want to check, this avoids expensive
            // list operations if we have a lot of files in the directory
            LOG.trace("Using fast exists to update file information for {}", file);
            files = operations.listFiles(file.getAbsoluteFilePath());
        } else {
            LOG.trace(
                    "Using full directory listing to update file information for {}. Consider enabling fastExistsCheck option.",
                    file);
            // fast option not enabled, so list the directory and filter the file name
            files = operations.listFiles(file.getParent());
        }
        LOG.trace("List files {} found {} files", file.getAbsoluteFilePath(), files.size());
        for (FTPFile f : files) {
            if (f.getName().equals(file.getFileNameOnly())) {
                newLastModified = f.getTimestamp().getTimeInMillis();
                newLength = f.getSize();
            }
        }

        LOG.trace("Previous last modified: " + lastModified + ", new last modified: " + newLastModified);
        LOG.trace("Previous length: " + length + ", new length: " + newLength);

        if (length >= minLength && (newLastModified == lastModified && newLength == length)) {
            LOG.trace("Read lock acquired.");
            exclusive = true;
        } else {
            // set new base file change information
            lastModified = newLastModified;
            length = newLength;

            boolean interrupted = sleep();
            if (interrupted) {
                // we were interrupted while sleeping, we are likely being shutdown so return false
                return false;
            }
        }
    }

    return exclusive;
}

---

From source file:org.apache.camel.component.file.remote.strategy.FtpChangedExclusiveReadLockStrategy.java

public boolean acquireExclusiveReadLock(GenericFileOperations<FTPFile> operations, GenericFile<FTPFile> file,
        Exchange exchange) throws Exception {
    boolean exclusive = false;

    LOG.trace("Waiting for exclusive read lock to file: " + file);

    long lastModified = Long.MIN_VALUE;
    long length = Long.MIN_VALUE;
    StopWatch watch = new StopWatch();

    while (!exclusive) {
        // timeout check
        if (timeout > 0) {
            long delta = watch.taken();
            if (delta > timeout) {
                CamelLogger.log(LOG, readLockLoggingLevel,
                        "Cannot acquire read lock within " + timeout + " millis. Will skip the file: " + file);
                // we could not get the lock within the timeout period, so return false
                return false;
            }//from  w  ww .j a  va  2s .com
        }

        long newLastModified = 0;
        long newLength = 0;
        List<FTPFile> files;
        if (fastExistsCheck) {
            // use the absolute file path to only pickup the file we want to check, this avoids expensive
            // list operations if we have a lot of files in the directory
            LOG.trace("Using fast exists to update file information for {}", file);
            files = operations.listFiles(file.getAbsoluteFilePath());
        } else {
            LOG.trace(
                    "Using full directory listing to update file information for {}. Consider enabling fastExistsCheck option.",
                    file);
            // fast option not enabled, so list the directory and filter the file name
            files = operations.listFiles(file.getParent());
        }
        LOG.trace("List files {} found {} files", file.getAbsoluteFilePath(), files.size());
        for (FTPFile f : files) {
            if (f.getName().equals(file.getFileNameOnly())) {
                newLength = f.getSize();
                newLastModified = f.getTimestamp().getTimeInMillis();
            }
        }

        LOG.trace("Previous last modified: " + lastModified + ", new last modified: " + newLastModified);
        LOG.trace("Previous length: " + length + ", new length: " + newLength);

        if (length >= minLength && (newLastModified == lastModified && newLength == length)) {
            LOG.trace("Read lock acquired.");
            exclusive = true;
        } else {
            // set new base file change information
            lastModified = newLastModified;
            length = newLength;

            boolean interrupted = sleep();
            if (interrupted) {
                // we were interrupted while sleeping, we are likely being shutdown so return false
                return false;
            }
        }
    }

    return exclusive;
}

---

From source file:org.apache.camel.component.file.remote.strategy.FtpChangedExclusiveReadLockStrategy.java

public boolean acquireExclusiveReadLock(GenericFileOperations<FTPFile> operations, GenericFile<FTPFile> file,
        Exchange exchange) throws Exception {
    boolean exclusive = false;

    LOG.trace("Waiting for exclusive read lock to file: " + file);

    long lastModified = Long.MIN_VALUE;
    long length = Long.MIN_VALUE;
    StopWatch watch = new StopWatch();

    while (!exclusive) {
        // timeout check
        if (timeout > 0) {
            long delta = watch.taken();
            if (delta > timeout) {
                CamelLogger.log(LOG, readLockLoggingLevel,
                        "Cannot acquire read lock within " + timeout + " millis. Will skip the file: " + file);
                // we could not get the lock within the timeout period, so return false
                return false;
            }/*from w  w  w  . ja  v a2s  .  co m*/
        }

        long newLastModified = 0;
        long newLength = 0;
        List<FTPFile> files;
        if (fastExistsCheck) {
            // use the absolute file path to only pickup the file we want to check, this avoids expensive
            // list operations if we have a lot of files in the directory
            LOG.trace("Using fast exists to update file information for {}", file);
            files = operations.listFiles(file.getAbsoluteFilePath());
        } else {
            LOG.trace(
                    "Using full directory listing to update file information for {}. Consider enabling fastExistsCheck option.",
                    file);
            // fast option not enabled, so list the directory and filter the file name
            files = operations.listFiles(file.getParent());
        }
        LOG.trace("List files {} found {} files", file.getAbsoluteFilePath(), files.size());
        for (FTPFile f : files) {
            if (f.getName().equals(file.getFileNameOnly())) {
                newLength = f.getSize();
                if (f.getTimestamp() != null) {
                    newLastModified = f.getTimestamp().getTimeInMillis();
                }
            }
        }

        LOG.trace("Previous last modified: " + lastModified + ", new last modified: " + newLastModified);
        LOG.trace("Previous length: " + length + ", new length: " + newLength);

        if (length >= minLength && (newLastModified == lastModified && newLength == length)) {
            LOG.trace("Read lock acquired.");
            exclusive = true;
        } else {
            // set new base file change information
            lastModified = newLastModified;
            length = newLength;

            boolean interrupted = sleep();
            if (interrupted) {
                // we were interrupted while sleeping, we are likely being shutdown so return false
                return false;
            }
        }
    }

    return exclusive;
}

---

From source file:org.apache.flume.source.FTPSource.java

@SuppressWarnings("UnnecessaryContinue")
public void discoverElements(FTPClient ftpClient, String parentDir, String currentDir, int level)
        throws IOException {

    String dirToList = parentDir;
    if (!currentDir.equals("")) {
        dirToList += "/" + currentDir;
    }//from   w  ww.j a  v a 2 s .c  o  m
    FTPFile[] subFiles = ftpClient.listFiles(dirToList);
    if (subFiles != null && subFiles.length > 0) {

        for (FTPFile aFile : subFiles) {
            String currentFileName = aFile.getName();
            if (currentFileName.equals(".") || currentFileName.equals("..")) {
                log.info("Skip parent directory and directory itself");
                continue;
            }

            if (aFile.isDirectory()) {
                log.info("[" + aFile.getName() + "]");
                ftpClient.changeWorkingDirectory(parentDir);
                discoverElements(ftpClient, dirToList, aFile.getName(), level + 1);
                continue;
            } else if (aFile.isFile()) { //aFile is a regular file
                ftpClient.changeWorkingDirectory(dirToList);
                existFileList.add(dirToList + "/" + aFile.getName()); //control of deleted files in server
                String fileName = aFile.getName();
                if (!(sizeFileList.containsKey(dirToList + "/" + aFile.getName()))) { //new file
                    ftpSourceCounter.incrementFilesCount();
                    InputStream inputStream = null;
                    try {
                        inputStream = ftpClient.retrieveFileStream(aFile.getName());
                        listener.fileStreamRetrieved();
                        readStream(inputStream, 0);
                        boolean success = inputStream != null && ftpClient.completePendingCommand(); //mandatory
                        if (success) {
                            sizeFileList.put(dirToList + "/" + aFile.getName(), aFile.getSize());
                            saveMap(sizeFileList);
                            ftpSourceCounter.incrementFilesProcCount();
                            log.info("discovered: " + fileName + " ," + sizeFileList.size());
                        } else {
                            handleProcessError(fileName);
                        }
                    } catch (FTPConnectionClosedException e) {
                        handleProcessError(fileName);
                        log.error("Ftp server closed connection ", e);
                        continue;
                    }

                    ftpClient.changeWorkingDirectory(dirToList);
                    continue;

                } else { //known file                        
                    long dif = aFile.getSize() - sizeFileList.get(dirToList + "/" + aFile.getName());
                    if (dif > 0) { //known and modified
                        long prevSize = sizeFileList.get(dirToList + "/" + aFile.getName());
                        InputStream inputStream = null;
                        try {
                            inputStream = ftpClient.retrieveFileStream(aFile.getName());
                            listener.fileStreamRetrieved();
                            readStream(inputStream, prevSize);

                            boolean success = inputStream != null && ftpClient.completePendingCommand(); //mandatory
                            if (success) {
                                sizeFileList.put(dirToList + "/" + aFile.getName(), aFile.getSize());
                                saveMap(sizeFileList);
                                ftpSourceCounter.incrementCountModProc();
                                log.info("modified: " + fileName + " ," + sizeFileList.size());
                            } else {
                                handleProcessError(fileName);
                            }
                        } catch (FTPConnectionClosedException e) {
                            log.error("Ftp server closed connection ", e);
                            handleProcessError(fileName);
                            continue;
                        }

                        ftpClient.changeWorkingDirectory(dirToList);
                        continue;
                    } else if (dif < 0) { //known and full modified
                        existFileList.remove(dirToList + "/" + aFile.getName()); //will be rediscovered as new file
                        saveMap(sizeFileList);
                        continue;
                    }
                    ftpClient.changeWorkingDirectory(parentDir);
                    continue;
                }
            } else if (aFile.isSymbolicLink()) {
                log.info(aFile.getName() + " is a link of " + aFile.getLink() + " access denied");
                ftpClient.changeWorkingDirectory(parentDir);
                continue;
            } else if (aFile.isUnknown()) {
                log.info(aFile.getName() + " unknown type of file");
                ftpClient.changeWorkingDirectory(parentDir);
                continue;
            } else {
                ftpClient.changeWorkingDirectory(parentDir);
                continue;
            }

        } //fin de bucle
    } //el listado no es vaco
}

---

From source file:org.apache.ftpserver.clienttests.ListTest.java

public void testListFilesInDir() throws Exception {

    TEST_DIR1.mkdirs();/*  w  ww .jav a2s .c o  m*/
    TEST_FILE_IN_DIR1.createNewFile();
    TEST_DIR_IN_DIR1.mkdirs();

    FTPFile[] files = client.listFiles(TEST_DIR1.getName());

    assertEquals(2, files.length);

    FTPFile file = getFile(files, TEST_FILE_IN_DIR1.getName());
    assertEquals(TEST_FILE_IN_DIR1.getName(), file.getName());
    assertEquals(0, file.getSize());
    assertEquals("group", file.getGroup());
    assertEquals("user", file.getUser());
    assertTrue(file.isFile());
    assertFalse(file.isDirectory());

    file = getFile(files, TEST_DIR_IN_DIR1.getName());
    assertEquals(TEST_DIR_IN_DIR1.getName(), file.getName());
    assertEquals(0, file.getSize());
    assertEquals("group", file.getGroup());
    assertEquals("user", file.getUser());
    assertFalse(file.isFile());
    assertTrue(file.isDirectory());

}

---

From source file:org.apache.ftpserver.clienttests.ListTest.java

public void testListFile() throws Exception {

    TEST_DIR1.mkdirs();//from  w  w  w .ja  v a 2s .  c om
    TEST_FILE1.createNewFile();
    TEST_FILE2.createNewFile();

    FTPFile[] files = client.listFiles(TEST_FILE1.getName());

    assertEquals(1, files.length);

    FTPFile file = getFile(files, TEST_FILE1.getName());
    assertEquals(TEST_FILE1.getName(), file.getName());
    assertEquals(0, file.getSize());
    assertEquals("group", file.getGroup());
    assertEquals("user", file.getUser());
    assertTrue(file.isFile());
    assertFalse(file.isDirectory());

    Calendar expectedTimestamp = Calendar.getInstance();
    expectedTimestamp.setTimeInMillis(TEST_FILE1.lastModified());
    // server does not supply seconds and milliseconds
    expectedTimestamp.clear(Calendar.SECOND);
    expectedTimestamp.clear(Calendar.MILLISECOND);

    assertEquals(expectedTimestamp, file.getTimestamp());
}

---

From source file:org.apache.ftpserver.clienttests.ListTest.java

public void testListFileNoArgument() throws Exception {
    TEST_DIR1.mkdirs();/*from   ww  w. j av a2 s .c om*/

    FTPFile[] files = client.listFiles();

    assertEquals(1, files.length);

    FTPFile file = getFile(files, TEST_DIR1.getName());
    assertEquals(TEST_DIR1.getName(), file.getName());
    assertEquals(0, file.getSize());
    assertEquals("group", file.getGroup());
    assertEquals("user", file.getUser());
    assertFalse(file.isFile());
    assertTrue(file.isDirectory());
}

---

From source file:org.apache.ftpserver.clienttests.ListTest.java

public void testListFiles() throws Exception {
    TEST_FILE1.createNewFile();// w ww .  j  a  v  a  2  s . c  o  m
    TEST_FILE2.createNewFile();
    TEST_DIR1.mkdirs();
    TEST_DIR2.mkdirs();

    TestUtil.writeDataToFile(TEST_FILE1, testData);

    FTPFile[] files = client.listFiles();

    assertEquals(4, files.length);
    FTPFile file = getFile(files, TEST_FILE1.getName());
    assertEquals(TEST_FILE1.getName(), file.getName());
    assertEquals(testData.length, file.getSize());
    assertEquals("group", file.getGroup());
    assertEquals("user", file.getUser());
    assertTrue(file.isFile());
    assertFalse(file.isDirectory());

    file = getFile(files, TEST_FILE2.getName());
    assertEquals(TEST_FILE2.getName(), file.getName());
    assertEquals(0, file.getSize());
    assertEquals("group", file.getGroup());
    assertEquals("user", file.getUser());
    assertTrue(file.isFile());
    assertFalse(file.isDirectory());

    file = getFile(files, TEST_DIR1.getName());
    assertEquals(TEST_DIR1.getName(), file.getName());
    assertEquals(0, file.getSize());
    assertEquals("group", file.getGroup());
    assertEquals("user", file.getUser());
    assertFalse(file.isFile());
    assertTrue(file.isDirectory());

    file = getFile(files, TEST_DIR2.getName());
    assertEquals(TEST_DIR2.getName(), file.getName());
    assertEquals(0, file.getSize());
    assertEquals("group", file.getGroup());
    assertEquals("user", file.getUser());
    assertFalse(file.isFile());
    assertTrue(file.isDirectory());
}

---

From source file:org.apache.ftpserver.clienttests.ListTest.java

private FTPFile getFile(FTPFile[] files, String name) {
    for (int i = 0; i < files.length; i++) {
        FTPFile file = files[i];

        if (name.equals(file.getName())) {
            return file;
        }//ww w . j  a v a  2s.c  o m
    }

    return null;
}

---

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