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

Introduction

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

Prototype

int delete(FileSelector selector) throws FileSystemException;

Source Link

Document

Deletes all descendants of this file that match a selector.

Usage

From source file:org.jahia.modules.external.vfs.VFSDataSource.java

@Override
public void removeItemByPath(String path) throws RepositoryException {
    try {/*from   w  w w . j  a  v a  2  s . co  m*/
        FileObject file = getFile(path);
        if (file.getType().hasChildren()) {
            file.delete(Selectors.SELECT_ALL);
        } else if (!file.delete()) {
            logger.warn("Failed to delete FileObject {}", getFile(path).toString());
        }
    } catch (FileSystemException e) {
        throw new RepositoryException(e);
    }
}

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From source file:org.kalypso.commons.io.VFSUtilities.java

/**
 * This function deletes the given file. If the file object is a directory, all content and the directory itself will
 * be deleted.//  w  ww .  j  a v a 2 s. c om
 *
 * @param toDel
 *          The file or directory to be deleted.
 * @return The number of deleted files. 0, if none has been deleted.
 */
public static int deleteFiles(final FileObject toDel) throws FileSystemException {
    if (FileType.FOLDER.equals(toDel.getType())) {
        /* Delete the directory. */
        KalypsoCommonsDebug.DEBUG.printf("Deleting the directory %s ...%n", toDel.getName()); //$NON-NLS-1$
        return toDel.delete(new AllFileSelector());
    } else if (FileType.FILE.equals(toDel.getType())) {
        /* Delete the file. */
        KalypsoCommonsDebug.DEBUG.printf("Deleting the file %s ...%n", toDel.getName()); //$NON-NLS-1$
        if (toDel.delete())
            return 1;

        KalypsoCommonsDebug.DEBUG.printf("Could not delete %s!%n", toDel.getName()); //$NON-NLS-1$

        return 0;
    } else {
        /* The type of the file could not be determined, or it is an imaginary one. */
        KalypsoCommonsDebug.DEBUG.printf("Could not delete %s!%n", toDel.getName()); //$NON-NLS-1$

        return 0;
    }
}

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From source file:org.mycore.datamodel.ifs2.MCRStore.java

/**
 * Deletes the data stored in the given file object from the store
 * /*from  w  w w .  ja  va  2s.com*/
 * @param fo
 *            the file object to be deleted
 */
void delete(FileObject fo) throws IOException {
    FileObject parent = fo.getParent();
    fo.delete(Selectors.SELECT_ALL);

    while (!parent.equals(baseDirectory)) {
        final FileObject[] children = parent.getChildren();
        if (children.length > 0) {
            break;
        }
        fo = parent;
        parent = fo.getParent();
        fo.delete();
    }
}

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From source file:org.ow2.proactive.scheduler.smartproxy.JobTrackerImpl.java

/**
 * Removes from the proxy knowledge all info related with the given job.
 * This will also delete every folder created by the job in the shared input and output spaces
 *
 * @param id jobID// w w  w  .j  a  va 2  s  .  c  om
 */
public void removeAwaitedJob(String id) {
    AwaitedJob aj = jobDatabase.getAwaitedJob(id);

    if (aj == null) {
        logger.warn("Job " + id + " not in the awaited list");
        return;
    }
    logger.debug("Removing knowledge of job " + id);

    String pullUrl = aj.getPullURL();
    String pushUrl = aj.getPushURL();

    FileObject remotePullFolder = null;
    FileObject remotePushFolder = null;

    try {
        remotePullFolder = resolveFile(pullUrl);
        remotePushFolder = resolveFile(pushUrl);
    } catch (Exception e) {
        logger.error("Could not remove data for job " + id, e);
        return;
    }
    if (aj.isIsolateTaskOutputs()) {
        try {
            remotePullFolder = remotePullFolder.getParent();
        } catch (FileSystemException e) {
            logger.error("Could not get the parent of folder " + remotePullFolder, e);
        }
    }

    Set<FileObject> foldersToDelete = new HashSet<>();
    try {
        foldersToDelete.add(remotePullFolder.getParent());
        if (!remotePullFolder.getParent().equals(remotePushFolder.getParent()))
            foldersToDelete.add(remotePushFolder.getParent());
    } catch (FileSystemException e) {
        logger.warn("Data in folders " + pullUrl + " and " + pushUrl
                + " cannot be deleted due to an unexpected error ", e);
    }

    String url = "NOT YET DEFINED";
    for (FileObject fo : foldersToDelete) {
        try {
            url = fo.getURL().toString();

            if (!logger.isTraceEnabled()) {
                logger.debug("Deleting directory " + url);
                fo.delete(Selectors.SELECT_ALL);
                fo.delete();
            }
        } catch (FileSystemException e) {
            logger.warn("Could not delete temporary files at location " + url + " .", e);
        }
    }

    jobDatabase.removeAwaitedJob(id);

    try {
        jobDatabase.commit();
    } catch (IOException e) {
        logger.error("Could not save status file after removing job " + id, e);
    }
}

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From source file:org.ow2.proactive.scheduler.smartproxy.JobTrackerImpl.java

/**
 * Removes from the proxy knowledge all info related with the given task.
 * If all tasks of a job have been removed this way, the job itself will be removed.
 *
 * @param id    jobID//  ww w . j  a  va  2  s .com
 * @param taskName task name
 */
public void removeAwaitedTask(String id, String taskName) {
    AwaitedJob awaitedJob = jobDatabase.getAwaitedJob(id);
    if (awaitedJob == null) {
        logger.warn("Job " + id + " not in the awaited list");
        return;
    }

    AwaitedTask awaitedTask = awaitedJob.getAwaitedTask(taskName);
    if (awaitedTask == null) {
        logger.warn("Task " + taskName + " from Job " + id + " not in the awaited list");
        return;
    }

    logger.debug("Removing knowledge of task " + taskName + " from job " + id);
    if (awaitedJob.isIsolateTaskOutputs() && awaitedTask.getTaskId() != null) {
        // If the output data as been isolated in a dedicated folder we can delete it.

        String pullUrl = awaitedJob.getPullURL();
        pullUrl = pullUrl.replace(SchedulerConstants.TASKID_DIR_DEFAULT_NAME,
                SchedulerConstants.TASKID_DIR_DEFAULT_NAME + "/" + awaitedTask.getTaskId());

        FileObject remotePullFolder = null;

        try {
            remotePullFolder = resolveFile(pullUrl);
            logger.debug("Deleting directory " + remotePullFolder);
            remotePullFolder.delete(Selectors.SELECT_ALL);
            remotePullFolder.delete();
        } catch (Exception e) {
            logger.warn("Could not remove data for task " + taskName + " of job " + id, e);
        }

    }

    awaitedJob.removeAwaitedTask(taskName);

    if (awaitedJob.getAwaitedTasks().isEmpty()) {
        removeAwaitedJob(id);
        return;
    } else {
        // this is done to ensure persistence of the operation
        jobDatabase.putAwaitedJob(id, awaitedJob);
    }

    try {
        jobDatabase.commit();
    } catch (IOException e) {
        logger.error("Could not save status file after removing task Task " + taskName + " from Job" + id, e);
    }
}

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From source file:org.ow2.proactive.scheduler.smartproxy.SmartProxyImpl.java

@Override
protected void removeJobIO(Job job, String pushURL, String pullURL, String newFolderName) {
    pushURL = pushURL + "/" + newFolderName;
    FileObject fo;

    try {//  w  w  w.java  2s  . c  o m
        fo = jobTracker.resolveFile(pushURL);
        fo.delete(Selectors.SELECT_ALL);
        fo.delete();
    } catch (Exception e) {
        log.error("Error in removeJobIO push for job " + job.getName(), e);
    }

    pullURL = pullURL + "/" + newFolderName;

    try {
        fo = jobTracker.resolveFile(pullURL);
        fo.delete(Selectors.SELECT_ALL);
        fo.delete();
    } catch (Exception e) {
        log.error("Error in removeJobIO pull for job " + job.getName(), e);
    }
}

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From source file:org.ow2.proactive_grid_cloud_portal.dataspace.RestDataspaceImpl.java

private Response deleteDir(FileObject fo, List<String> includes, List<String> excludes)
        throws FileSystemException {
    if ((includes == null || includes.isEmpty()) && (excludes == null || excludes.isEmpty())) {
        fo.delete(SELECT_ALL);
        fo.delete();//from   ww  w.j a v a2 s.  c  o m
        return noContentRes();
    } else {
        List<FileObject> children = FileSystem.findFiles(fo, includes, excludes);
        for (FileObject child : children) {
            if (!child.delete()) {
                child.delete(SELECT_ALL);
                child.delete();
            }
        }
        return noContentRes();
    }
}

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From source file:org.ow2.proactive_grid_cloud_portal.dataspace.RestDataspaceImpl.java

public void writeFile(InputStream inputStream, FileObject outputFile, String encoding)
        throws FileSystemException, IOException {
    try {//from  w  w w .  j  av a2 s . c o  m
        if (outputFile.exists()) {
            outputFile.delete(SELECT_SELF);
        }
        if (Strings.isNullOrEmpty(encoding)) {
            outputFile.createFile();
            FileSystem.copy(inputStream, outputFile);
        } else if ("gzip".equals(encoding)) {
            VFSZipper.GZIP.unzip(inputStream, outputFile);
        } else if ("zip".equals(encoding)) {
            VFSZipper.ZIP.unzip(inputStream, outputFile);
        } else {
            outputFile.createFile();
            FileSystem.copy(inputStream, outputFile);
        }
    } catch (Throwable error) {
        if (outputFile != null) {
            try {
                if (outputFile.exists()) {
                    outputFile.delete(SELECT_SELF);
                }
            } catch (FileSystemException e1) {
                logger.error("Error occurred while deleting partially created file.", e1);
            }
        }
        Throwables.propagateIfInstanceOf(error, FileSystemException.class);
        Throwables.propagateIfInstanceOf(error, IOException.class);
        Throwables.propagate(error);
    }
}

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From source file:org.pentaho.di.job.entries.hadoopjobexecutor.JarUtilityTest.java

@BeforeClass
public static void setup() throws Exception {
    FileObject testPath = VFS.getManager().resolveFile(TEST_PATH);
    testPath.delete(new AllFileSelector());
    testPath.createFolder();/*www. j av a2  s .  co m*/
}

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From source file:org.pentaho.hadoop.shim.common.DistributedCacheUtilImpl.java

/**
 * Delete a directory and all of its contents
 *
 * @param dir Directory to delete//from w w  w. j  a  v a 2  s.  co  m
 * @return True if the directory was deleted successfully
 */
public boolean deleteDirectory(FileObject dir) throws FileSystemException {
    dir.delete(new AllFileSelector());
    return !dir.exists();
}

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