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

Introduction

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

Prototype

public void close() throws FileSystemException;

Source Link

Document

Closes this file, and its content.

Usage

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadOnlyAccessOpenAutocloseRead() throws Exception {
    final FileObject fo = openFileObject(TEST_FILENAME);
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READ);
    try {//from   www.ja va  2s.c  o m
        Thread.sleep(SLEEP_TIME);
        for (int i = 0; i < TEST_FILE_A_CHARS_NUMBER; i++) {
            assertTrue('a' == rac.readByte());
        }
    } finally {
        rac.close();
    }
    fo.close();
}

From source file:com.panet.imeta.core.row.ValueDataUtil.java

public static Long ChecksumAdler32(ValueMetaInterface metaA, Object dataA) {
    long checksum = 0;
    FileObject file = null;
    try {//w  w  w.  j  a v a  2  s  . c o m
        file = KettleVFS.getFileObject(dataA.toString());
        CheckedInputStream cis = null;

        // Computer Adler-32 checksum
        cis = new CheckedInputStream((FileInputStream) ((LocalFile) file).getInputStream(), new Adler32());

        byte[] buf = new byte[128];
        while (cis.read(buf) >= 0) {
        }
        checksum = cis.getChecksum().getValue();

    } catch (Exception e) {
        //throw new Exception(e);
    } finally {
        if (file != null)
            try {
                file.close();
            } catch (Exception e) {
            }
        ;
    }
    return checksum;
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testInputStreamOpenSkipAutocloseRead() throws Exception {
    final FileObject fo = openFileObject(TEST_FILENAME);
    // we have to use input stream to avoid Readers buffering (input stream buffering is ok) 
    final InputStream is = openInputStream(fo);
    try {// w  w w  .j a v  a 2s  .  c o  m
        is.skip(TEST_FILE_A_CHARS_NUMBER);
        Thread.sleep(SLEEP_TIME);
        assertTrue('b' == is.read());
    } finally {
        is.close();
    }
    fo.close();
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadOnlyAccessOpenReadSeekAutocloseGetPosRead() throws Exception {
    final FileObject fo = openFileObject(TEST_FILENAME);
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READ);
    try {//from  ww w .j a v a  2  s.c  o  m
        rac.readByte();
        rac.seek(TEST_FILE_A_CHARS_NUMBER);
        Thread.sleep(SLEEP_TIME);
        assertEquals(TEST_FILE_A_CHARS_NUMBER, rac.getFilePointer());
        assertTrue('b' == rac.readByte());
    } finally {
        rac.close();
    }
    fo.close();
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadOnlyAccessInputStreamOpenAutocloseRead() throws Exception {
    final FileObject fo = openFileObject(TEST_FILENAME);
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READ);
    final BufferedReader reader = getBufferedReader(rac.getInputStream());
    try {/*w  ww . j ava2 s.  c  om*/
        Thread.sleep(SLEEP_TIME);
        for (int i = 0; i < TEST_FILE_A_CHARS_NUMBER; i++) {
            assertTrue('a' == reader.read());
        }
    } finally {
        rac.close();
    }
    fo.close();
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadWriteAccessOpenWriteAutocloseGetPosWrite() throws Exception {
    final FileObject fo = openFileObject("out.txt");
    fo.createFile();/*from   www .jav a2  s . c o m*/
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READWRITE);
    try {
        rac.write("abc".getBytes());
        Thread.sleep(SLEEP_TIME);
        assertEquals("abc".getBytes().length, rac.getFilePointer());
        rac.write("def".getBytes());
    } finally {
        rac.close();
    }
    assertContentEquals(fo, "abcdef");
    fo.close();
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testInputStreamOpenReadAutocloseRead() throws Exception {
    final FileObject fo = openFileObject(TEST_FILENAME);
    final BufferedReader reader = openBufferedReader(fo);
    try {//from   w w w  .  j  a v a 2s . co  m
        for (int i = 0; i < TEST_FILE_A_CHARS_NUMBER; i++) {
            assertTrue('a' == reader.read());
        }
        Thread.sleep(SLEEP_TIME);
        for (int i = 0; i < TEST_FILE_B_CHARS_NUMBER; i++) {
            assertTrue('b' == reader.read());
        }
    } finally {
        reader.close();
    }
    fo.close();
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadOnlyAccessOpenReadAutocloseRead() throws Exception {
    final FileObject fo = openFileObject(TEST_FILENAME);
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READ);
    try {/*from w  w  w.  ja  v  a  2s  .c  om*/
        for (int i = 0; i < TEST_FILE_A_CHARS_NUMBER; i++) {
            assertTrue('a' == rac.readByte());
        }
        Thread.sleep(SLEEP_TIME);
        for (int i = 0; i < TEST_FILE_B_CHARS_NUMBER; i++) {
            assertTrue('b' == rac.readByte());
        }
    } finally {
        rac.close();
    }
    fo.close();
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadWriteAccessOpenWriteSeekAutocloseGetPosWrite() throws Exception {
    final FileObject fo = openFileObject("out.txt");
    fo.createFile();//from  www  .j  av  a  2s. c om
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READWRITE);
    try {
        rac.write("abcdef".getBytes());
        rac.seek("abc".getBytes().length);
        Thread.sleep(SLEEP_TIME);
        assertEquals("abc".getBytes().length, rac.getFilePointer());
        rac.write("ghi".getBytes());
    } finally {
        rac.close();
    }
    assertContentEquals(fo, "abcghi");
    fo.close();
}

From source file:com.panet.imeta.trans.steps.processfiles.ProcessFiles.java

public boolean processRow(StepMetaInterface smi, StepDataInterface sdi) throws KettleException {
    meta = (ProcessFilesMeta) smi;/*from   w  w  w  .  java  2s.  c  o  m*/
    data = (ProcessFilesData) sdi;

    Object[] r = getRow(); // Get row from input rowset & set row busy!
    if (r == null) // no more input to be expected...
    {
        setOutputDone();
        return false;
    }
    if (first) {
        first = false;
        // Check is source filename field is provided
        if (Const.isEmpty(meta.getDynamicSourceFileNameField())) {
            throw new KettleException(Messages.getString("ProcessFiles.Error.SourceFilenameFieldMissing"));
        }
        // Check is target filename field is provided
        if (meta.getOperationType() != ProcessFilesMeta.OPERATION_TYPE_DELETE
                && Const.isEmpty(meta.getDynamicTargetFileNameField())) {
            throw new KettleException(Messages.getString("ProcessFiles.Error.TargetFilenameFieldMissing"));
        }

        // cache the position of the source filename field         
        if (data.indexOfSourceFilename < 0) {
            data.indexOfSourceFilename = getInputRowMeta().indexOfValue(meta.getDynamicSourceFileNameField());
            if (data.indexOfSourceFilename < 0) {
                // The field is unreachable !
                throw new KettleException(Messages.getString("ProcessFiles.Exception.CouldnotFindField", //$NON-NLS-1$
                        meta.getDynamicSourceFileNameField())); //$NON-NLS-2$
            }
        }
        // cache the position of the source filename field         
        if (meta.getOperationType() != ProcessFilesMeta.OPERATION_TYPE_DELETE
                && data.indexOfTargetFilename < 0) {
            data.indexOfTargetFilename = getInputRowMeta().indexOfValue(meta.getDynamicTargetFileNameField());
            if (data.indexOfTargetFilename < 0) {
                // The field is unreachable !
                throw new KettleException(Messages.getString("ProcessFiles.Exception.CouldnotFindField", //$NON-NLS-1$
                        meta.getDynamicTargetFileNameField())); //$NON-NLS-2$
            }
        }

        if (meta.simulate) {
            if (log.isBasic())
                log.logBasic(toString(), Messages.getString("ProcessFiles.Log.SimulationModeON"));
        }
    } // End If first 
    try {
        // get source filename
        String sourceFilename = getInputRowMeta().getString(r, data.indexOfSourceFilename);

        if (Const.isEmpty(sourceFilename)) {
            log.logError(toString(), Messages.getString("ProcessFiles.Error.SourceFileEmpty"));
            throw new KettleException(Messages.getString("ProcessFiles.Error.SourceFileEmpty"));
        }
        data.sourceFile = KettleVFS.getFileObject(sourceFilename);
        boolean targetFileExists = false;

        if (!data.sourceFile.exists()) {
            log.logError(toString(),
                    Messages.getString("ProcessFiles.Error.SourceFileNotExist", sourceFilename));
            throw new KettleException(
                    Messages.getString("ProcessFiles.Error.SourceFileNotExist", sourceFilename));
        }
        if (data.sourceFile.getType() != FileType.FILE) {
            log.logError(toString(),
                    Messages.getString("ProcessFiles.Error.SourceFileNotFile", sourceFilename));
            throw new KettleException(
                    Messages.getString("ProcessFiles.Error.SourceFileNotFile", sourceFilename));
        }
        String targetFilename = null;
        if (meta.getOperationType() != ProcessFilesMeta.OPERATION_TYPE_DELETE) {
            // get value for target filename
            targetFilename = getInputRowMeta().getString(r, data.indexOfTargetFilename);

            if (Const.isEmpty(targetFilename)) {
                log.logError(toString(), Messages.getString("ProcessFiles.Error.TargetFileEmpty"));
                throw new KettleException(Messages.getString("ProcessFiles.Error.TargetFileEmpty"));
            }
            data.targetFile = KettleVFS.getFileObject(targetFilename);
            if (data.targetFile.exists()) {
                if (log.isDetailed())
                    log.logDetailed(toString(),
                            Messages.getString("ProcessFiles.Log.TargetFileExists", targetFilename));
            } else {
                // let's check parent folder
                FileObject parentFolder = data.targetFile.getParent();
                if (!parentFolder.exists()) {
                    if (!meta.isCreateParentFolder())
                        throw new KettleException(Messages.getString(
                                "ProcessFiles.Error.TargetParentFolderNotExists", parentFolder.toString()));
                    else
                        parentFolder.createFolder();
                }
                if (parentFolder != null)
                    parentFolder.close();
            }
        }

        switch (meta.getOperationType()) {
        case ProcessFilesMeta.OPERATION_TYPE_COPY:
            if (((meta.isOverwriteTargetFile() && targetFileExists) || !targetFileExists) && !meta.simulate)
                data.targetFile.copyFrom(data.sourceFile, new TextOneToOneFileSelector());
            if (log.isDetailed())
                log.logDetailed(toString(), Messages.getString("ProcessFiles.Log.SourceFileCopied",
                        sourceFilename, targetFilename));
            break;
        case ProcessFilesMeta.OPERATION_TYPE_MOVE:
            if (((meta.isOverwriteTargetFile() && targetFileExists) || !targetFileExists) && !meta.simulate)
                data.sourceFile.moveTo(KettleVFS.getFileObject(targetFilename));
            if (log.isDetailed())
                log.logDetailed(toString(),
                        Messages.getString("ProcessFiles.Log.SourceFileMoved", sourceFilename, targetFilename));
            break;
        case ProcessFilesMeta.OPERATION_TYPE_DELETE:
            if (!meta.simulate) {
                if (!data.sourceFile.delete())
                    throw new KettleException(Messages.getString("ProcessFiles.Error.CanNotDeleteFile",
                            data.sourceFile.toString()));
            }
            if (log.isDetailed())
                log.logDetailed(toString(),
                        Messages.getString("ProcessFiles.Log.SourceFileDeleted", sourceFilename));
            break;
        default:

            break;
        }

        // add filename to result filenames?
        if (meta.isaddTargetFileNametoResult()
                && meta.getOperationType() != ProcessFilesMeta.OPERATION_TYPE_DELETE
                && data.sourceFile.getType() == FileType.FILE) {
            // Add this to the result file names...
            ResultFile resultFile = new ResultFile(ResultFile.FILE_TYPE_GENERAL, data.targetFile,
                    getTransMeta().getName(), getStepname());
            resultFile.setComment(Messages.getString("ProcessFiles.Log.FileAddedResult"));
            addResultFile(resultFile);

            if (log.isDetailed())
                log.logDetailed(toString(),
                        Messages.getString("ProcessFiles.Log.FilenameAddResult", data.sourceFile.toString()));
        }

        putRow(getInputRowMeta(), r); // copy row to possible alternate rowset(s).

        if (checkFeedback(getLinesRead())) {
            if (log.isBasic())
                logBasic(Messages.getString("ProcessFiles.LineNumber") + getLinesRead()); //$NON-NLS-1$
        }
    } catch (Exception e) {
        boolean sendToErrorRow = false;
        String errorMessage = null;

        if (getStepMeta().isDoingErrorHandling()) {
            sendToErrorRow = true;
            errorMessage = e.toString();
        } else {
            logError(Messages.getString("ProcessFiles.ErrorInStepRunning") + e.getMessage()); //$NON-NLS-1$
            setErrors(1);
            stopAll();
            setOutputDone(); // signal end to receiver(s)
            return false;
        }
        if (sendToErrorRow) {
            // Simply add this row to the error row
            putError(getInputRowMeta(), r, 1, errorMessage, null, "ProcessFiles001");
        }
    }

    return true;
}