Examples with File java.io.File used on opensource projects

Example 56 with File

use of java.io.File in project camel by apache.

the class FileChangedExclusiveReadLockStrategy method acquireExclusiveReadLock.

@Override
public boolean acquireExclusiveReadLock(GenericFileOperations<File> operations, GenericFile<File> file, Exchange exchange) throws Exception {
    // must call super
    if (!super.acquireExclusiveReadLock(operations, file, exchange)) {
        return false;
    }
    File target = new File(file.getAbsoluteFilePath());
    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();
    long startTime = (new Date()).getTime();
    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;
            }
        }
        long newLastModified = target.lastModified();
        long newLength = target.length();
        long newOlderThan = startTime + watch.taken() - minAge;
        LOG.trace("Previous last modified: {}, new last modified: {}", lastModified, newLastModified);
        LOG.trace("Previous length: {}, new length: {}", length, newLength);
        LOG.trace("New older than threshold: {}", newOlderThan);
        if (newLength >= minLength && ((minAge == 0 && newLastModified == lastModified && newLength == length) || (minAge != 0 && newLastModified < newOlderThan))) {
            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;
}

Example 57 with File

use of java.io.File in project camel by apache.

the class FileIdempotentChangedRepositoryReadLockStrategy method acquireExclusiveReadLock.

@Override
public boolean acquireExclusiveReadLock(GenericFileOperations<File> operations, GenericFile<File> file, Exchange exchange) throws Exception {
    // in clustered mode then another node may have processed the file so we must check here again if the file exists
    File path = file.getFile();
    if (!path.exists()) {
        return false;
    }
    // check if we can begin on this file
    String key = asKey(file);
    boolean answer = idempotentRepository.add(key);
    if (!answer) {
        // another node is processing the file so skip
        CamelLogger.log(LOG, readLockLoggingLevel, "Cannot acquire read lock. Will skip the file: " + file);
    }
    if (answer) {
        // if we acquired during idempotent then check changed also
        answer = changed.acquireExclusiveReadLock(operations, file, exchange);
        if (!answer) {
            // remove from idempontent as we did not acquire it from changed
            idempotentRepository.remove(key);
        }
    }
    return answer;
}

Example 58 with File

use of java.io.File in project camel by apache.

the class FileIdempotentRenameRepositoryReadLockStrategy method acquireExclusiveReadLock.

@Override
public boolean acquireExclusiveReadLock(GenericFileOperations<File> operations, GenericFile<File> file, Exchange exchange) throws Exception {
    // in clustered mode then another node may have processed the file so we must check here again if the file exists
    File path = file.getFile();
    if (!path.exists()) {
        return false;
    }
    // check if we can begin on this file
    String key = asKey(file);
    boolean answer = idempotentRepository.add(key);
    if (!answer) {
        // another node is processing the file so skip
        CamelLogger.log(LOG, readLockLoggingLevel, "Cannot acquire read lock. Will skip the file: " + file);
    }
    if (answer) {
        // if we acquired during idempotent then check rename also
        answer = rename.acquireExclusiveReadLock(operations, file, exchange);
        if (!answer) {
            // remove from idempontent as we did not acquire it from changed
            idempotentRepository.remove(key);
        }
    }
    return answer;
}

Example 59 with File

use of java.io.File in project camel by apache.

the class FileIdempotentRepositoryReadLockStrategy method acquireExclusiveReadLock.

@Override
public boolean acquireExclusiveReadLock(GenericFileOperations<File> operations, GenericFile<File> file, Exchange exchange) throws Exception {
    // in clustered mode then another node may have processed the file so we must check here again if the file exists
    File path = file.getFile();
    if (!path.exists()) {
        return false;
    }
    // check if we can begin on this file
    String key = asKey(file);
    boolean answer = idempotentRepository.add(key);
    if (!answer) {
        // another node is processing the file so skip
        CamelLogger.log(LOG, readLockLoggingLevel, "Cannot acquire read lock. Will skip the file: " + file);
    }
    return answer;
}

Example 60 with File

use of java.io.File in project camel by apache.

the class FileConsumer method asGenericFile.

/**
     * Creates a new GenericFile<File> based on the given file.
     *
     * @param endpointPath the starting directory the endpoint was configured with
     * @param file the source file
     * @param probeContentType whether to probe the content type of the file or not
     * @return wrapped as a GenericFile
     */
public static GenericFile<File> asGenericFile(String endpointPath, File file, String charset, boolean probeContentType) {
    GenericFile<File> answer = new GenericFile<File>(probeContentType);
    // use file specific binding
    answer.setBinding(new FileBinding());
    answer.setCharset(charset);
    answer.setEndpointPath(endpointPath);
    answer.setFile(file);
    answer.setFileNameOnly(file.getName());
    answer.setFileLength(file.length());
    answer.setDirectory(file.isDirectory());
    // must use FileUtil.isAbsolute to have consistent check for whether the file is
    // absolute or not. As windows do not consider \ paths as absolute where as all
    // other OS platforms will consider \ as absolute. The logic in Camel mandates
    // that we align this for all OS. That is why we must use FileUtil.isAbsolute
    // to return a consistent answer for all OS platforms.
    answer.setAbsolute(FileUtil.isAbsolute(file));
    answer.setAbsoluteFilePath(file.getAbsolutePath());
    answer.setLastModified(file.lastModified());
    // compute the file path as relative to the starting directory
    File path;
    String endpointNormalized = FileUtil.normalizePath(endpointPath);
    if (file.getPath().startsWith(endpointNormalized + File.separator)) {
        // skip duplicate endpoint path
        path = new File(ObjectHelper.after(file.getPath(), endpointNormalized + File.separator));
    } else {
        path = new File(file.getPath());
    }
    if (path.getParent() != null) {
        answer.setRelativeFilePath(path.getParent() + File.separator + file.getName());
    } else {
        answer.setRelativeFilePath(path.getName());
    }
    // the file name should be the relative path
    answer.setFileName(answer.getRelativeFilePath());
    // use file as body as we have converters if needed as stream
    answer.setBody(file);
    return answer;
}