Examples of net.sourceforge.jiu.codecs.WrongFileFormatException

net.sourceforge.jiu.codecs.WrongFileFormatException
This exception is thrown during image loading. If a codec is sure that the file or input stream that was given to it is not in the format supported by that codec, an instance of this exception class is thrown. This is usually the case if the magic byte sequence of that format is not found at the beginning of the stream.
If there were errors during loading because of file corruption, an {@link InvalidFileStructureException} should be thrown.
If the format is recognized but cannot be loaded because the codec does not fully support the file format, a {@link UnsupportedTypeException}should be thrown. @author Marco Schmidt @see InvalidFileStructureException @see UnsupportedTypeException

    {
      setByteOrder(BYTE_ORDER_MOTOROLA);
    }
    else
    {
      throw new WrongFileFormatException("Not a TIFF file (does not " +
        "begin with II or MM followed by 42).");
    }
    nextIfdOffset = readInt();
  }

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    byte[] header = new byte[RAS_HEADER_SIZE];
    in.readFully(header);
    int magic = ArrayConverter.getIntBE(header, 0);
    if (magic != RAS_MAGIC)
    {
      throw new WrongFileFormatException("This stream is not a valid " +
        "Sun RAS stream (bad magic: " + Integer.toHexString(magic) +
        " instead of " + Integer.toHexString(RAS_MAGIC));
    }
    width = ArrayConverter.getIntBE(header, 4);
    height = ArrayConverter.getIntBE(header, 8);

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      throw new IllegalArgumentException("Input file is missing " +
        "(use PCDCodec.setInput(RandomAccessFile).");
    }
    if (in.length() < 16 * 1024)
    {
      throw new WrongFileFormatException("Not a PCD file.");
    }
    byte[] sector = new byte[SECTOR_SIZE];
    // read first sector; first 7 bytes must be 0xff
    in.readFully(sector);
    for (int i = 0; i < 7; i++)
    {
      if (sector[i] != -1)
      {
        throw new WrongFileFormatException("Input is not a valid PCD " +
          "file (wrong magic byte sequence).");
      }
    }
    // read second sector and check more magic bytes
    in.readFully(sector);
    for (int i = 0; i < MAGIC.length; i++)
    {
      if (sector[i] != MAGIC[i])
      {
        throw new WrongFileFormatException("Input is not a valid PCD " +
          "file (wrong magic byte sequence).");
      }
    }
    // get image orientation and resolution
    int rotationAngle = sector[0x602] & 0x03;

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      throw new MissingParameterException("InputStream / DataInput object is missing.");
    }
    int formMagic = in.readInt();
    if (formMagic != MAGIC_FORM)
    {
      throw new WrongFileFormatException("Cannot load image. The " +
        "input stream is not a valid IFF file (wrong magic byte " +
        "sequence).");
    }
    in.readInt(); // read and discard "file size" field
    type = in.readInt();

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  {
    byte[] header = new byte[54];
    in.readFully(header);
    if (header[0] != 'B' || header[1] != 'M')
    {
      throw new WrongFileFormatException("Not a BMP file (first two bytes are not 0x42 0x4d).");
    }
    dataOffset = ArrayConverter.getIntLE(header, 0x0a);
    if (dataOffset < 54)
    {
      throw new InvalidFileStructureException("BMP data expected to be 54dec or larger, got " + dataOffset);

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    if (width < 1 || height < 1 || 
        unsupportedDirectColor || 
        (bitsPerPixel != 1 && bitsPerPixel != 2 && bitsPerPixel != 4 && bitsPerPixel != 8 && bitsPerPixel != 16) ||
        (compression != COMPRESSION_NONE && compression != COMPRESSION_RLE && compression != COMPRESSION_SCANLINE))
    {
      throw new WrongFileFormatException("Not a file in Palm image file format.");
    }
    /*System.out.println("width=" + width + ", height=" + height + ", bytes per row=" +
      bytesPerRow + ", flags=" + flags + ", bpp=" + bitsPerPixel + ", version=" +
      version + ", palette=" + (((flags & FLAG_COLOR_TABLE) != 0) ? "y" : "n") +
      ", transparent=" + transparencyIndex + ", compression=" + compression);*/

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      return;
    }
    int numEntries = in.readShort() & 0xffff;
    if (numEntries < 1 || numEntries > 256)
    {
      throw new WrongFileFormatException("Not a Palm image file, invalid number of palette entries: "  + numEntries);
    }
    palette = new Palette(numEntries, 255);
    for (int i = 0; i < numEntries; i++)
    {
      //int reserved = in.readUnsignedByte();

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      byte[] data = new byte[4];
      in.readFully(data, 0, 2);
      int signature = ArrayConverter.getShortBEAsInt(data, 0);
      if (signature != JPEGConstants.JFIF_SIGNATURE)
      {
        throw new WrongFileFormatException(
          "Not a JFIF file (first two bytes are not 0xff 0xd8).");
      }
      // continuously read markers, updating a JPEGData object 
      JPEGData jpegData = new JPEGData();
      while (true)

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    WrongFileFormatException
  {
    magic = in.readInt();
    if (magic != MAGIC_8BPS)
    {
      throw new WrongFileFormatException("Not a valid PSD file " +
        "(wrong magic byte sequence).");
    }
    in.readShort(); // skip version short value
    in.skipBytes(6);
    channels = in.readShort();

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Related Classes of net.sourceforge.jiu.codecs.WrongFileFormatException

net.sourceforge.jiu.codecs.BMPCodec

net.sourceforge.jiu.codecs.IFFCodec

net.sourceforge.jiu.codecs.jpeg.JPEGCodec

net.sourceforge.jiu.codecs.PalmCodec

net.sourceforge.jiu.codecs.PCDCodec

net.sourceforge.jiu.codecs.PSDCodec

net.sourceforge.jiu.codecs.RASCodec

net.sourceforge.jiu.codecs.tiff.TIFFCodec

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