Package org.apache.commons.vfs

Examples of org.apache.commons.vfs.RandomAccessContent

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            throw new FileSystemException("vfs.provider/read-in-use.error", file);
        }
        */

        // Get the content
        final RandomAccessContent rastr = file.getRandomAccessContent(mode);

        this.getThreadData().setRastr(new FileRandomAccessContent(file, rastr));
        streamOpened();

        // setState(STATE_OPENED);
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        FileObject file = null;
        try
        {
            file = createScratchFolder().resolveFile("random_write.txt");
            file.createFile();
            RandomAccessContent ra = file.getContent().getRandomAccessContent(RandomAccessMode.READWRITE);

            // write first byte
            ra.writeByte(TEST_DATA.charAt(0));

            // start at pos 4
            ra.seek(3);
            ra.writeByte(TEST_DATA.charAt(3));
            ra.writeByte(TEST_DATA.charAt(4));

            // restart at pos 4 (but overwrite with different content)
            ra.seek(3);
            ra.writeByte(TEST_DATA.charAt(7));
            ra.writeByte(TEST_DATA.charAt(8));

            // advance to pos 11
            ra.seek(10);
            ra.writeByte(TEST_DATA.charAt(10));
            ra.writeByte(TEST_DATA.charAt(11));

            // now read
            ra.seek(0);
            assertEquals(ra.readByte(), TEST_DATA.charAt(0));

            ra.seek(3);
            assertEquals(ra.readByte(), TEST_DATA.charAt(7));
            assertEquals(ra.readByte(), TEST_DATA.charAt(8));

            ra.seek(10);
            assertEquals(ra.readByte(), TEST_DATA.charAt(10));
            assertEquals(ra.readByte(), TEST_DATA.charAt(11));
        }
        finally
        {
            if (file != null)
            {
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    {
        FileObject file = null;
        try
        {
            file = getReadFolder().resolveFile("file1.txt");
            RandomAccessContent ra = file.getContent().getRandomAccessContent(RandomAccessMode.READ);

            // read first byte
            byte c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(0));
            assertEquals("fp", ra.getFilePointer(), 1);

            // start at pos 4
            ra.seek(3);
            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(3));
            assertEquals("fp", ra.getFilePointer(), 4);

            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(4));
            assertEquals("fp", ra.getFilePointer(), 5);

            // restart at pos 4
            ra.seek(3);
            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(3));
            assertEquals("fp", ra.getFilePointer(), 4);

            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(4));
            assertEquals("fp", ra.getFilePointer(), 5);

            // advance to pos 11
            ra.seek(10);
            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(10));
            assertEquals("fp", ra.getFilePointer(), 11);

            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(11));
            assertEquals("fp", ra.getFilePointer(), 12);
        }
        finally
        {
            if (file != null)
            {
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                      total += k;
                  }
                } else {
                  /* Process a single range */
                 
                  RandomAccessContent content = resource.getFile().getContent().getRandomAccessContent(RandomAccessMode.READ);
   
                  content.seek(ranges[0].startPosition);
                  in = content.getInputStream();
               
                  long count = ranges[0].count;
                  int k;
                  while(count > 0) {
                      while ((k = in.read(buffer, 0, (int) (count < buffer.length ? count : buffer.length))) > 0) {
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        FileObject file = null;
        try
        {
            file = createScratchFolder().resolveFile("random_write.txt");
            file.createFile();
            RandomAccessContent ra = file.getContent().getRandomAccessContent(RandomAccessMode.READWRITE);

            // write first byte
            ra.writeByte(TEST_DATA.charAt(0));

            // start at pos 4
            ra.seek(3);
            ra.writeByte(TEST_DATA.charAt(3));
            ra.writeByte(TEST_DATA.charAt(4));

            // restart at pos 4 (but overwrite with different content)
            ra.seek(3);
            ra.writeByte(TEST_DATA.charAt(7));
            ra.writeByte(TEST_DATA.charAt(8));

            // advance to pos 11
            ra.seek(10);
            ra.writeByte(TEST_DATA.charAt(10));
            ra.writeByte(TEST_DATA.charAt(11));

            // now read
            ra.seek(0);
            assertEquals(ra.readByte(), TEST_DATA.charAt(0));

            ra.seek(3);
            assertEquals(ra.readByte(), TEST_DATA.charAt(7));
            assertEquals(ra.readByte(), TEST_DATA.charAt(8));

            ra.seek(10);
            assertEquals(ra.readByte(), TEST_DATA.charAt(10));
            assertEquals(ra.readByte(), TEST_DATA.charAt(11));
        }
        finally
        {
            if (file != null)
            {
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            throw new FileSystemException("vfs.provider/read-in-use.error", file);
        }
        */

        // Get the content
        final RandomAccessContent rastr = file.getRandomAccessContent(mode);

    FileRandomAccessContent rac = new FileRandomAccessContent(file, rastr);
    this.getThreadData().addRastr(rac);
        streamOpened();

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            }

      // Close the randomAccess stream
      while (getThreadData().getRastrsSize() > 0)
      {
        final RandomAccessContent ra = (RandomAccessContent) getThreadData().removeRastr(0);
        try
        {
          ra.close();
        }
        catch (IOException e)
        {
          throw new FileSystemException(e);
        }
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    {
        FileObject file = null;
        try
        {
            file = getReadFolder().resolveFile("file1.txt");
            RandomAccessContent ra = file.getContent().getRandomAccessContent(RandomAccessMode.READ);

            // read first byte
            byte c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(0));
            assertEquals("fp", ra.getFilePointer(), 1);

            // start at pos 4
            ra.seek(3);
            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(3));
            assertEquals("fp", ra.getFilePointer(), 4);

            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(4));
            assertEquals("fp", ra.getFilePointer(), 5);

            // restart at pos 4
            ra.seek(3);
            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(3));
            assertEquals("fp", ra.getFilePointer(), 4);

            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(4));
            assertEquals("fp", ra.getFilePointer(), 5);

            // advance to pos 11
            ra.seek(10);
            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(10));
            assertEquals("fp", ra.getFilePointer(), 11);

            c = ra.readByte();
            assertEquals(c, TEST_DATA.charAt(11));
            assertEquals("fp", ra.getFilePointer(), 12);
        }
        finally
        {
            if (file != null)
            {
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Related Classes of org.apache.commons.vfs.RandomAccessContent

  • com.adito.vfs.webdav.methods.GET
  • org.apache.commons.vfs.provider.DefaultFileContent
  • org.apache.commons.vfs.test.ProviderRandomReadTests
  • org.apache.commons.vfs.test.ProviderRandomReadWriteTests
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