Example usage for java.io File setLastModified

List of usage examples for java.io File setLastModified

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Introduction

In this page you can find the example usage for java.io File setLastModified.

Prototype

public boolean setLastModified(long time)

Source Link

Document

Sets the last-modified time of the file or directory named by this abstract pathname.

Usage

From source file:phex.util.FileUtils.java

/**
 * This method performce a multi fallback file rename operation to try to
 * work around the Java problems with rename operations.
 * http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6213298
 *
 * @throws FileHandlingException//from   w ww.ja v a2  s  . co m
 */
public static void renameFileMultiFallback(File sourceFile, File destFile) throws FileHandlingException {
    if (destFile.exists()) {
        // cant rename to file that already exists
        throw new FileHandlingException(FileHandlingException.FILE_ALREADY_EXISTS);
    }
    if (!sourceFile.exists()) {
        return;
    }

    boolean succ = sourceFile.renameTo(destFile);
    if (succ) {
        NLogger.warn(FileUtils.class, "First renameTo operation worked!");
        return;
    }
    NLogger.warn(FileUtils.class, "First renameTo operation failed.");
    // Try to run garbage collector to make the file rename operation work
    System.gc();
    // Yield thread and to hope GC kicks in...
    Thread.yield();
    // Try rename again...
    succ = sourceFile.renameTo(destFile);
    if (succ) {
        return;
    }
    NLogger.warn(FileUtils.class, "Second renameTo operation failed.");
    // Rename failed again... just perform a slow copy/delete operation
    FileInputStream input = null;
    FileOutputStream output = null;
    try {
        input = new FileInputStream(sourceFile);
        output = new FileOutputStream(destFile);
        long lengthLeft = sourceFile.length();
        byte[] buffer = new byte[(int) Math.min(BUFFER_LENGTH, lengthLeft + 1)];
        int read;
        while (lengthLeft > 0) {
            read = input.read(buffer);
            if (read == -1) {
                break;
            }
            lengthLeft -= read;
            output.write(buffer, 0, read);
        }
    } catch (IOException exp) {
        NLogger.warn(FileUtils.class, "Third renameTo operation failed.");
        throw new FileHandlingException(FileHandlingException.RENAME_FAILED, exp);
    } finally {
        IOUtil.closeQuietly(input);
        IOUtil.closeQuietly(output);
    }
    //file copy should preserve file date
    destFile.setLastModified(sourceFile.lastModified());

    // try to delete file
    FileUtils.deleteFileMultiFallback(sourceFile);
}

From source file:com.facebook.FileLruCache.java

InputStream get(String key, String contentTag) throws IOException {
    File file = new File(this.directory, Utility.md5hash(key));

    FileInputStream input = null;
    try {/*from  ww w.j ava  2s  .  co m*/
        input = new FileInputStream(file);
    } catch (IOException e) {
        return null;
    }

    BufferedInputStream buffered = new BufferedInputStream(input, Utility.DEFAULT_STREAM_BUFFER_SIZE);
    boolean success = false;

    try {
        JSONObject header = StreamHeader.readHeader(buffered);
        if (header == null) {
            return null;
        }

        String foundKey = header.optString(HEADER_CACHEKEY_KEY);
        if ((foundKey == null) || !foundKey.equals(key)) {
            return null;
        }

        String headerContentTag = header.optString(HEADER_CACHE_CONTENT_TAG_KEY, null);
        if (headerContentTag != contentTag) {
            return null;
        }

        long accessTime = new Date().getTime();
        Logger.log(LoggingBehaviors.CACHE, TAG,
                "Setting lastModified to " + Long.valueOf(accessTime) + " for " + file.getName());
        file.setLastModified(accessTime);

        success = true;
        return buffered;
    } finally {
        if (!success) {
            buffered.close();
        }
    }
}

From source file:phex.utils.FileUtils.java

/**
 * This method performce a multi fallback file rename operation to try to 
 * work around the Java problems with rename operations.
 * http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6213298
 * @throws FileHandlingException /*  w  w w.  j  a v a2  s . c  o m*/
 */
public static void renameFileMultiFallback(File sourceFile, File destFile) throws FileHandlingException {
    if (destFile.exists()) {
        // cant rename to file that already exists
        throw new FileHandlingException(FileHandlingException.FILE_ALREADY_EXISTS);
    }
    if (!sourceFile.exists()) {
        return;
    }

    boolean succ = sourceFile.renameTo(destFile);
    if (succ) {
        //NLogger.warn( FileUtils.class, "First renameTo operation worked!" );
        return;
    }
    //NLogger.warn( FileUtils.class, "First renameTo operation failed." );
    // Try to run garbage collector to make the file rename operation work
    System.gc();
    // Yield thread and to hope GC kicks in...
    Thread.yield();
    // Try rename again...
    succ = sourceFile.renameTo(destFile);
    if (succ) {
        return;
    }
    //NLogger.warn( FileUtils.class, "Second renameTo operation failed." );
    // Rename failed again... just perform a slow copy/delete operation
    FileInputStream input = null;
    FileOutputStream output = null;
    try {
        input = new FileInputStream(sourceFile);
        output = new FileOutputStream(destFile);
        long lengthLeft = sourceFile.length();
        byte[] buffer = new byte[(int) Math.min(BUFFER_LENGTH, lengthLeft + 1)];
        int read;
        while (lengthLeft > 0) {
            read = input.read(buffer);
            if (read == -1) {
                break;
            }
            lengthLeft -= read;
            output.write(buffer, 0, read);
        }
    } catch (IOException exp) {
        //NLogger.warn( FileUtils.class, "Third renameTo operation failed." );
        throw new FileHandlingException(FileHandlingException.RENAME_FAILED, exp);
    } finally {
        IOUtil.closeQuietly(input);
        IOUtil.closeQuietly(output);
    }
    //file copy should preserve file date
    destFile.setLastModified(sourceFile.lastModified());

    // try to delete file
    FileUtils.deleteFileMultiFallback(sourceFile);
}

From source file:cn.com.sinosoft.util.io.FileUtils.java

/**
 * Internal copy file method.//from w  w  w  .jav  a 2s .c  om
 * 
 * @param srcFile  the validated source file, must not be <code>null</code>
 * @param destFile  the validated destination file, must not be <code>null</code>
 * @param preserveFileDate  whether to preserve the file date
 * @throws IOException if an error occurs
 */
private static void doCopyFile(File srcFile, File destFile, boolean preserveFileDate) throws IOException {
    if (destFile.exists() && destFile.isDirectory()) {
        throw new IOException("Destination '" + destFile + "' exists but is a directory");
    }

    FileInputStream input = new FileInputStream(srcFile);
    try {
        FileOutputStream output = new FileOutputStream(destFile);
        try {
            IOUtils.copy(input, output);
        } finally {
            IOUtils.closeQuietly(output);
        }
    } finally {
        IOUtils.closeQuietly(input);
    }

    if (srcFile.length() != destFile.length()) {
        throw new IOException("Failed to copy full contents from '" + srcFile + "' to '" + destFile + "'");
    }
    if (preserveFileDate) {
        destFile.setLastModified(srcFile.lastModified());
    }
}

From source file:com.otway.picasasync.webclient.PicasawebClient.java

public void setUpdatedDate(AlbumEntry album, final PhotoEntry photoToChange, File localFile) {
    try {/*from  w w w. ja v  a2  s  .  c om*/
        final boolean SETUPDATE_WORKS = false;

        if (SETUPDATE_WORKS) {
            List<PhotoEntry> photos = getPhotos(album);

            for (PhotoEntry photo : photos) {
                if (photo.getGphotoId().equals(photoToChange.getGphotoId())) {
                    DateTime time = new DateTime(localFile.lastModified());
                    time.setTzShift(0);

                    log.info("Setting Updated from " + photo.getUpdated() + " to " + time);
                    photo.setUpdated(time);
                    photo.update();
                    break;
                }
            }
        } else {
            // Since it doesn't work, the only option to avoid unnecessary uploads/downloads
            // is to set the lastModified file time on the local file.
            log.info(
                    "Setting local file time to " + photoToChange.getUpdated() + " for " + localFile.getName());
            localFile.setLastModified(photoToChange.getUpdated().getValue());
        }
    } catch (Exception ex) {
        log.error("Unable to change lastUpdate date for " + photoToChange.getTitle().getPlainText());
    }
}

From source file:com.alu.e3.logger.LogCollector.java

/**
 * Copies a file on a remote host to a local path. Before copying, renames source file
 * with a temporary name to move it out of the way of any rotator process.
 * Optionally deletes the file from the remote host.
 * //from   w  ww .ja v  a 2s .  c om
 * @param sshCommand   An active (connected) SSHCommand
 * @param remoteFileInfo   A FileInfo structure representing the remote file
 * @param localFilePath   The full path for the local file copy
 * @param deleteSource   If <code>true</code> and the copied succeeds, the remote file will be deleted
 * @return   The number of bytes copied.
 * @throws JSchException
 * @throws IOException
 */
private static long copyRemoteFile(SSHCommand sshCommand, FileInfo remoteFileInfo, String localFilePath,
        boolean deleteSource) throws JSchException, IOException {
    String remoteFilePath = remoteFileInfo.filePath;
    String tempRemotePath = tempNameForSourceFile(remoteFilePath);
    File localFile = null;
    long bytesCopied = 0L;
    IOException cleanupIOException = null;
    JSchException cleanupJSchException = null;
    boolean success = false;

    // Copy file and validate result
    try {
        // Rename the remote file with a temporary name before copying   
        if (logger.isDebugEnabled()) {
            logger.debug("Renaming remote file to: {}", tempRemotePath);
        }
        sshCommand.execShellCommand("mv " + remoteFilePath + " " + tempRemotePath);

        // Copy the (renamed) remote file to local destination
        remoteFileInfo.filePath = tempRemotePath; // remote file name is needed during validation
        bytesCopied = sshCommand.copyFrom(tempRemotePath, localFilePath);
        localFile = new File(localFilePath);
        long modTime = (long) (Double.parseDouble(remoteFileInfo.fileModtime) * 1000.0);
        localFile.setLastModified(modTime);

        // Check integrity of copy
        success = validateRemoteFileCopy(sshCommand, remoteFileInfo, localFilePath);
        if (!success) {
            logger.warn("Copy of file {} did not pass integrity check!", remoteFilePath);
        }
    } catch (IOException ex) {
        // If there's been an error copying the file, we may be left with a zero-length or incomplete file
        if ((localFile != null) && localFile.exists() && !success) {
            if (logger.isDebugEnabled()) {
                logger.debug("Deleting failed local copy of remote file: {}", localFile.getAbsolutePath());
            }
            localFile.delete();
        }
    } finally {
        // Use a try-block during cleanup, but only throw exception if the 
        // main file-copy try-block doesn't
        try {
            if (deleteSource && success) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Deleting remote file: {}", tempRemotePath);
                }
                sshCommand.execShellCommand("rm " + tempRemotePath);
            } else {
                // Move source file back from temporary name
                sshCommand.execShellCommand("mv " + tempRemotePath + " " + remoteFilePath);
            }
        } catch (JSchException ex) {
            logger.warn("JSchException during remote file copy cleanup: {}", ex);
            cleanupJSchException = new JSchException(ex.getMessage());
        } catch (IOException ex) {
            logger.warn("IOException during remote file copy cleanup: {}", ex);
            cleanupIOException = new IOException(ex);
        }
        remoteFileInfo.filePath = remoteFilePath; // restore original file name in argument
    }

    if (cleanupJSchException != null) {
        throw cleanupJSchException;
    } else if (cleanupIOException != null) {
        throw cleanupIOException;
    }
    return bytesCopied;
}

From source file:com.emc.ecs.sync.target.CuaFilesystemTarget.java

@Override
public void filter(SyncObject obj) {
    timeOperationStart(CasUtil.OPERATION_TOTAL);

    if (!(obj instanceof ClipSyncObject))
        throw new UnsupportedOperationException("sync object was not a CAS clip");
    final ClipSyncObject clipSync = (ClipSyncObject) obj;

    try {/*from w  ww .ja  v a 2 s  .com*/
        // looking for clips with a specific name
        if (!clipSync.getClipName().equals(CLIP_NAME)) {
            log.debug("skipped clip {} (clip name did not match)", clipSync.getRawSourceIdentifier());
        } else {

            ClipTag blobTag = null;
            String filePath = null;
            Date itime = null, mtime = null, atime = null;
            long hi = 0, lo = 0;
            for (ClipTag clipTag : clipSync.getTags()) {
                FPTag sourceTag = clipTag.getTag();
                if (sourceTag.getTagName().equals(ATTRIBUTE_TAG_NAME)) {
                    // pull all pertinent attributes
                    filePath = sourceTag.getStringAttribute(PATH_ATTRIBUTE);
                    itime = new Date(sourceTag.getLongAttribute(ITIME_ATTRIBUTE) * 1000); // tag value is in seconds
                    mtime = new Date(sourceTag.getLongAttribute(MTIME_ATTRIBUTE) * 1000); // .. convert to ms
                    atime = new Date(sourceTag.getLongAttribute(ATIME_ATTRIBUTE) * 1000);
                    hi = sourceTag.getLongAttribute(SIZE_HI_ATTRIBUTE);
                    lo = sourceTag.getLongAttribute(SIZE_LO_ATTRIBUTE);
                } else if (sourceTag.getTagName().equals(BLOB_TAG_NAME)) {
                    blobTag = clipTag;
                }
            }

            // sanity check
            if (blobTag == null)
                throw new RuntimeException("could not find blob tag");
            if (filePath == null)
                throw new RuntimeException("could not find file path attribute");
            // assume the rest have been pulled

            // make file path relative
            if (filePath.startsWith("/"))
                filePath = filePath.substring(1);

            File destFile = new File(targetDir, filePath);
            obj.setTargetIdentifier(destFile.getPath());

            // transfer the clip if:
            // - force is enabled
            // - target does not exist
            // - source mtime is after target mtime, or
            // - source size is different from target size
            long size = (lo > 0 ? hi << 32 : hi) + lo;
            if (force || !destFile.exists() || mtime.after(new Date(destFile.lastModified()))
                    || size != destFile.length()) {
                log.info("writing {} to {}", obj.getSourceIdentifier(), destFile);

                // make parent directories
                mkdirs(destFile.getParentFile());

                // write the file
                try (OutputStream out = new FileOutputStream(destFile)) {
                    blobTag.writeToStream(out);
                }

                // set times
                log.debug("updating timestamps for {}", destFile.getPath());
                Path destPath = destFile.toPath();
                Files.setAttribute(destPath, "creationTime", FileTime.fromMillis(itime.getTime()));
                Files.setAttribute(destPath, "lastModifiedTime", FileTime.fromMillis(mtime.getTime()));
                Files.setAttribute(destPath, "lastAccessTime", FileTime.fromMillis(atime.getTime()));
                if (!destFile.setLastModified(mtime.getTime()))
                    log.warn("could not set mtime for {}", destFile.getPath());

                // verify size
                if (size != destFile.length())
                    throw new RuntimeException(String
                            .format("target file %s is not the right size (expected %d)", destFile, size));

            } else {
                log.info("{} is up to date, skipping", destFile);
            }
        }

        timeOperationComplete(CasUtil.OPERATION_TOTAL);
    } catch (Throwable t) {
        timeOperationFailed(CasUtil.OPERATION_TOTAL);
        if (t instanceof RuntimeException)
            throw (RuntimeException) t;
        if (t instanceof FPLibraryException)
            throw new RuntimeException(
                    "Failed to store object: " + CasUtil.summarizeError((FPLibraryException) t), t);
        throw new RuntimeException("failed to sync object: " + t.getMessage(), t);
    }
}

From source file:com.dotosoft.dotoquiz.tools.thirdparty.PicasawebClient.java

public void updateTimeFromTags(File localFile, PhotoEntry photo, boolean createdFolder)
        throws com.google.gdata.util.ParseException, IOException {
    ExifTags tags = photo.getExifTags();
    DateTime photoDate = null;/*from   w  w w  .  j  a va  2 s. c  o  m*/

    if (tags != null) {
        Date timestamp = tags.getTime();
        if (timestamp != null)
            photoDate = new DateTime(timestamp);
    }

    if (photoDate == null) {
        photoDate = photo.getUpdated();
    }

    log.debug("Setting datetime for " + localFile.getName() + " to " + photoDate.toString());

    Path fp = Paths.get(localFile.getPath());
    FileTime time = FileTime.fromMillis(photoDate.getValue());
    Files.setAttribute(fp, "basic:creationTime", time);

    long lastUpdated = photo.getUpdated().getValue();

    // Set the last update time of the local file...
    log.debug("Setting last update datetime for " + localFile.getName() + " to " + photo.getUpdated());
    if (!localFile.setLastModified(lastUpdated))
        log.warn("Unable to set date/time stamp for file: " + localFile);
}

From source file:com.google.gwt.dev.shell.tomcat.EmbeddedTomcatServer.java

private void copyFileNoOverwrite(TreeLogger logger, String srcResName, Resource srcRes, File catBase) {

    File dest = new File(catBase, srcResName);
    try {//from w w  w  .j ava 2  s.  c o m
        // Only copy if src is newer than desc.
        long srcLastModified = srcRes.getLastModified();
        long dstLastModified = dest.lastModified();

        if (srcLastModified < dstLastModified) {
            // Don't copy over it.
            if (logger.isLoggable(TreeLogger.SPAM)) {
                logger.log(TreeLogger.SPAM, "Source is older than existing: " + dest.getAbsolutePath(), null);
            }
            return;
        } else if (srcLastModified == dstLastModified) {
            // Exact same time; quietly don't overwrite.
            return;
        } else if (dest.exists()) {
            // Warn about the overwrite
            logger.log(TreeLogger.WARN, "Overwriting existing file '" + dest.getAbsolutePath() + "' with '"
                    + srcRes.getLocation() + "', which has a newer timestamp");
        }

        // Make dest directories as required.
        File destParent = dest.getParentFile();
        if (destParent != null) {
            // No need to check mkdirs result because IOException later anyway.
            destParent.mkdirs();
        }

        Util.copy(srcRes.openContents(), new FileOutputStream(dest));
        dest.setLastModified(srcLastModified);

        if (logger.isLoggable(TreeLogger.TRACE)) {
            logger.log(TreeLogger.TRACE, "Wrote: " + dest.getAbsolutePath(), null);
        }
    } catch (IOException e) {
        logger.log(TreeLogger.WARN, "Failed to write: " + dest.getAbsolutePath(), e);
    }
}