Example usage for org.apache.commons.vfs.util RandomAccessMode READWRITE

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In this page you can find the example usage for org.apache.commons.vfs.util RandomAccessMode READWRITE.

Prototype

RandomAccessMode READWRITE

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read/write

Usage

From source file:com.nary.util.LogFileObject.java

private LogFileObject(FileObject logPath) throws Exception {
    filename = logPath;//from w  w  w .j a  v  a2  s . c  om

    if (!logPath.exists())
        logPath.createFile();

    outFileRandomAccess = logPath.getContent().getRandomAccessContent(RandomAccessMode.READWRITE);
    logFileSize = outFileRandomAccess.length();
    outFileRandomAccess.seek(logFileSize);
}

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From source file:com.newatlanta.appengine.vfs.provider.GaeRandomAccessContent.java

GaeRandomAccessContent(GaeFileObject gfo, RandomAccessMode m, boolean append) throws IOException {
    EnumSet<StandardOpenOption> options = EnumSet.of(StandardOpenOption.READ);
    if (m == RandomAccessMode.READWRITE) {
        options.add(StandardOpenOption.WRITE);
        gfo.doSetLastModTime(System.currentTimeMillis());
    }/*from   ww w  . ja v  a2  s  .c  om*/
    if (append) {
        options.add(StandardOpenOption.APPEND);
    }
    fileChannel = new GaeFileChannel(gfo, options);
    dataOutput = new DataOutputStream(Channels.newOutputStream(fileChannel));
    dataInput = new GaeDataInputStream(Channels.newInputStream(fileChannel));
}

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From source file:com.nary.util.LogFileObject.java

private void rotateLogFile() {
    try {//from  w w w.j a  v  a  2s. c om
        outFileRandomAccess.close();

        // rename the old file to a new one
        int x = 1;
        String sfname = filename.getName().getBaseName();
        FileObject newFile = filename.getParent().resolveFile(sfname + "." + x);

        while (newFile.exists()) {
            newFile = filename.getParent().resolveFile(sfname + "." + (x++));
        }

        filename.moveTo(newFile);

        //Delete the old one
        filename.delete();
        filename.createFile();

        outFileRandomAccess = filename.getContent().getRandomAccessContent(RandomAccessMode.READWRITE);
        ;
        logFileSize = 0;

    } catch (IOException ignoreException) {
        // - the rotation failed; so lets just reset the current file
    }
}

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From source file:com.naryx.tagfusion.cfm.file.vfs.cfVFSData.java

public void openRandomAccessContent() throws IOException {
    if (fileObject != null) {
        randomAccessContent = fileObject.getContent().getRandomAccessContent(RandomAccessMode.READWRITE);
        randomAccessContent.seek(randomAccessContent.length());
    } else {//from w  w  w .jav a 2s.  c  o  m
        randomAccessFile = new RandomAccessFile(file, "rw");
        randomAccessFile.seek(randomAccessFile.length());
    }
}

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From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadWriteAccessOpenAutocloseWrite() throws Exception {
    final FileObject fo = openFileObject("out.txt");
    fo.createFile();//  w w w  .  ja  v  a  2 s  .co m
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READWRITE);
    try {
        Thread.sleep(SLEEP_TIME);
        rac.write("test".getBytes());
    } finally {
        rac.close();
    }
    assertContentEquals(fo, "test");
    fo.close();
}

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From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadWriteAccessOpenWriteAutocloseGetPosWrite() throws Exception {
    final FileObject fo = openFileObject("out.txt");
    fo.createFile();/*from   ww  w  .j a  v a 2  s. c  om*/
    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();
}

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From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadWriteAccessOpenWriteSeekAutocloseGetPosWrite() throws Exception {
    final FileObject fo = openFileObject("out.txt");
    fo.createFile();//from w  w  w.j  a  v a 2s. c  o  m
    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();
}

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From source file:com.newatlanta.appengine.vfs.provider.GaeFileObject.java

/**
 * Creates an output stream to write the file content to.
 * //from w  ww. java2s .  co m
 * It is guaranteed that there are no open stream (input or output) for
 * this file when this method is called.
 * 
 * The returned stream does not have to be buffered.
 */
@Override
protected OutputStream doGetOutputStream(boolean bAppend) throws IOException {
    return new GaeRandomAccessContent(this, RandomAccessMode.READWRITE, bAppend).getOutputStream();
}

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From source file:unitTests.dataspaces.AbstractLimitingFileObjectTest.java

@Test
public void testReadOnlyGetContentRandomOutputStream() throws IOException {
    createRealFile();/*from  w w  w . ja  v  a2s  . c  o m*/

    final FileContent content = readOnlyFile.getContent();
    try {
        content.getRandomAccessContent(RandomAccessMode.READWRITE).close();
        fail("Expected exception");
    } catch (FileSystemException x) {
    } finally {
        content.close();
    }
}

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From source file:unitTests.dataspaces.AbstractLimitingFileObjectTest.java

@Test
public void testReadWriteGetContentRandomOutputStream() throws IOException {
    createRealFile();/*from  ww w  .j  a  va 2 s.  c  o  m*/

    final FileContent content = readWriteFile.getContent();
    try {
        content.getRandomAccessContent(RandomAccessMode.READWRITE).close();
    } finally {
        content.close();
    }
}

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