Example usage for org.apache.commons.vfs FileObject createFile

Introduction

In this page you can find the example usage for org.apache.commons.vfs FileObject createFile.

Prototype

public void createFile() throws FileSystemException;

Source Link

Document

Creates this file, if it does not exist.

Usage

From source file:org.pentaho.di.core.vfs.KettleVFS.java

public static OutputStream getOutputStream(FileObject fileObject, boolean append) throws IOException {
    FileObject parent = fileObject.getParent();
    if (parent != null) {
        if (!parent.exists()) {
            throw new IOException(BaseMessages.getString(PKG, "KettleVFS.Exception.ParentDirectoryDoesNotExist",
                    getFilename(parent)));
        }/* w  w  w  .  ja  v  a  2 s .  co  m*/
    }
    try {
        fileObject.createFile();
        FileContent content = fileObject.getContent();
        return content.getOutputStream(append);
    } catch (FileSystemException e) {
        // Perhaps if it's a local file, we can retry using the standard
        // File object. This is because on Windows there is a bug in VFS.
        //
        if (fileObject instanceof LocalFile) {
            try {
                String filename = getFilename(fileObject);
                return new FileOutputStream(new File(filename), append);
            } catch (Exception e2) {
                throw e; // throw the original exception: hide the retry.
            }
        } else {
            throw e;
        }
    }
}

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From source file:org.pentaho.di.job.entries.createfile.JobEntryCreateFile.java

public Result execute(Result previousResult, int nr) throws KettleException {
    Result result = previousResult;
    result.setResult(false);/*  w ww .  j  a va  2  s.c  o m*/

    if (filename != null) {
        String realFilename = getRealFilename();
        FileObject fileObject = null;
        try {
            fileObject = KettleVFS.getFileObject(realFilename, this);

            if (fileObject.exists()) {
                if (isFailIfFileExists()) {
                    // File exists and fail flag is on.
                    result.setResult(false);
                    logError("File [" + realFilename + "] exists, failing.");
                } else {
                    // File already exists, no reason to try to create it
                    result.setResult(true);
                    logBasic("File [" + realFilename + "] already exists, not recreating.");
                }
                // add filename to result filenames if needed
                if (isAddFilenameToResult()) {
                    addFilenameToResult(realFilename, result, parentJob);
                }
            } else {
                // No file yet, create an empty file.
                fileObject.createFile();
                logBasic("File [" + realFilename + "] created!");
                // add filename to result filenames if needed
                if (isAddFilenameToResult()) {
                    addFilenameToResult(realFilename, result, parentJob);
                }
                result.setResult(true);
            }
        } catch (IOException e) {
            logError("Could not create file [" + realFilename + "], exception: " + e.getMessage());
            result.setResult(false);
            result.setNrErrors(1);
        } finally {
            if (fileObject != null) {
                try {
                    fileObject.close();
                    fileObject = null;
                } catch (IOException ex) {
                    // Ignore
                }
            }
        }
    } else {
        logError("No filename is defined.");
    }

    return result;
}

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From source file:org.pentaho.di.job.entries.hadooptransjobexecutor.DistributedCacheUtilTest.java

private FileObject createTestFolderWithContent(String rootFolderName) throws Exception {
    String rootName = "bin/test/" + rootFolderName;
    FileObject root = KettleVFS.getFileObject(rootName);
    FileObject jar1 = KettleVFS.getFileObject(rootName + Const.FILE_SEPARATOR + "jar1.jar");
    FileObject jar2 = KettleVFS.getFileObject(rootName + Const.FILE_SEPARATOR + "jar2.jar");
    FileObject folder = KettleVFS.getFileObject(rootName + Const.FILE_SEPARATOR + "folder");
    FileObject file = KettleVFS//www .  j a  v a 2s .com
            .getFileObject(rootName + Const.FILE_SEPARATOR + "folder" + Const.FILE_SEPARATOR + "file.txt");

    root.createFolder();
    folder.createFolder();
    jar1.createFile();
    jar2.createFile();
    file.createFile();

    return root;
}

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From source file:org.pentaho.s3.S3Test.java

@Test
public void listChildren() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject bucket = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test"));
    // assertEquals(false, bucket.exists());
    bucket.createFolder();//ww w  . ja  v a 2s. co m
    assertEquals(true, bucket.exists());

    FileObject s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test/child01"));
    s3FileOut.createFile();
    OutputStream out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test/child02"));
    s3FileOut.createFile();
    out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test/child03"));
    s3FileOut.createFile();
    out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    bucket = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test"));
    printFileObject(bucket, 0);

    bucket.delete(deleteFileSelector);
    assertEquals(false, bucket.exists());
}

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From source file:org.pentaho.s3.S3TestIntegration.java

@Test
public void createDeleteRecursive() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject bucket = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test"));
    // assertEquals(false, bucket.exists());
    bucket.createFolder();//w ww  .j  a  v a 2s. c  o m
    assertEquals(true, bucket.exists());

    FileObject s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test/folder1/folder11"));
    s3FileOut.createFolder();
    assertEquals(true, s3FileOut.exists());

    s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test/folder1/child"));
    s3FileOut.createFile();
    OutputStream out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test/folder2/child"));
    s3FileOut.createFile();
    out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    bucket = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test"));
    printFileObject(bucket, 0);

    FileObject parentFolder1 = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test/folder1"));
    parentFolder1.delete(deleteFileSelector);
    assertEquals(false, parentFolder1.exists());

    bucket = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test"));
    printFileObject(bucket, 0);

    bucket.delete(deleteFileSelector);
    assertEquals(false, bucket.exists());
}

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From source file:org.pentaho.s3.S3TestIntegration.java

@Test
public void doGetType() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject bucket = fsManager.resolveFile(buildS3URL("/mdamour_get_type_test"));
    // assertEquals(false, bucket.exists());
    bucket.createFolder();/*from  w w  w.j a  v a2 s  . c  o m*/
    assertEquals(true, bucket.exists());

    FileObject s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_get_type_test/child01"));
    s3FileOut.createFile();
    OutputStream out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();
    assertEquals("Is not a folder type", FileType.FOLDER, bucket.getType());
    assertEquals("Is not a file type", FileType.FILE, s3FileOut.getType());

    fsManager.closeFileSystem(bucket.getFileSystem());
    assertEquals("Is not a folder type (after clearing cache)", FileType.FOLDER,
            fsManager.resolveFile(buildS3URL("/mdamour_get_type_test")).getType());
    assertEquals("Is not a file type (after clearing cache)", FileType.FILE,
            fsManager.resolveFile(buildS3URL("/mdamour_get_type_test/child01")).getType());

    bucket = fsManager.resolveFile(buildS3URL("/mdamour_get_type_test"));
    printFileObject(bucket, 0);

    bucket.delete(deleteFileSelector);
    assertEquals(false, bucket.exists());
}

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From source file:org.sonatype.gshell.commands.vfs.EditCommand.java

public Object execute(final CommandContext context) throws Exception {
    assert context != null;

    FileObject file = resolveFile(context, path);

    new FileObjectAssert(file).exists().isReadable().isWritable();

    // TODO: Add to FileObjectAssert
    ensureFileHasContent(file);//from  w  w  w.jav  a  2  s .  c o  m

    FileObject tmp = file;

    // If the file is not on the local file system, then create tmp file for editing
    if (!getFileSystemAccess().isLocalFile(file)) {
        // Create a new temporary file, copy the contents for editing
        tmp = resolveFile(context, "tmp:/gshell-edit-" + System.currentTimeMillis() + ".txt");
        log.debug("Using temporary file: {} ({})", tmp, tmp.getClass());
        tmp.createFile();
        tmp.copyFrom(file, Selectors.SELECT_SELF);
    }

    // Have to dereference the VFS file into a local file so the editor can access it
    File localFile = getFileSystemAccess().getLocalFile(tmp);
    Object result = edit(context, localFile);

    // If we had to use a tmp file for editing, then copy back and clean up
    if (tmp != file) {
        log.debug("Updating original file with edited content");
        file.copyFrom(tmp, Selectors.SELECT_SELF);
        tmp.delete();
        FileObjects.close(tmp);
    }

    FileObjects.close(file);

    return result;
}

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From source file:org.sonatype.gshell.commands.vfs.TouchCommand.java

public Object execute(final CommandContext context) throws Exception {
    assert context != null;

    FileObject file = resolveFile(context, path);

    try {/*w  w  w. ja  v a2 s . c o m*/
        if (!file.exists()) {
            file.createFile();
        }

        file.getContent().setLastModifiedTime(System.currentTimeMillis());
    } finally {
        FileObjects.close(file);
    }

    return Result.SUCCESS;
}

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From source file:unitTests.dataspaces.AbstractLimitingFileObjectTest.java

private void createRealFileChild() throws FileSystemException {
    realFile.createFolder();//from ww  w .j a  v a2  s .  c o m
    final FileObject childFile = realFile.resolveFile(CHILD_NAME);
    childFile.createFile();
    assertTrue(childFile.exists());
}

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From source file:unitTests.dataspaces.VFSMountManagerHelperTest.java

/**
 * Tests closing all FileSystems/*from  ww  w  .  jav  a 2 s  .  c om*/
 * @throws Exception
 */
@Ignore("vfs close file system doesn't seem to work properly")
@Test
public void testCloseFileSystems() throws Exception {
    logger.info("*************** testCloseFileSystems");
    String[] validUrls = server.getVFSRootURLs();
    ArrayList<FileObject> fos = new ArrayList<FileObject>();
    for (String validUrl : validUrls) {
        FileObject mounted = VFSMountManagerHelper.mount(validUrl);
        Assert.assertTrue(mounted.exists());
        fos.add(mounted);
    }

    VFSMountManagerHelper.closeFileSystems(Arrays.asList(validUrls));

    boolean onlyExceptions = true;
    for (FileObject closedFo : fos) {
        try {
            FileObject toto = closedFo.resolveFile("toto");
            toto.createFile();
            onlyExceptions = false;
            logger.error(toto.getURL() + " exists : " + toto.exists());
        } catch (FileSystemException e) {
            // this should occur
        }
    }
    Assert.assertTrue("Only Exceptions received", onlyExceptions);
}

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