/**
* Get the image binary data, with hexical output. For RTF transformation
*
* @param dirName - The directory name that will be added to the path of the image file.
* @param fileName - The file name of the image file.
* @return java.lang.String - The Hexical binary of image data converted to String.
*/
public static String getBinData(final String dirName, final String fileName) {
final DITAOTJavaLogger logger = new DITAOTJavaLogger();
final File imgInput = new File(dirName, toFile(fileName).getPath());
FileInputStream binInput = null;
try {
String binStr = null;
final StringBuilder ret = new StringBuilder(16 * 1024);
binInput = new FileInputStream(imgInput);
int bin = binInput.read();
while (bin != -1) {
binStr = Integer.toHexString(bin);
if (binStr.length() < 2) {
ret.append("0");
}
ret.append(binStr);
bin = binInput.read();
}
return ret.toString();
} catch (final Exception e) {
logger.error(MessageUtils.getInstance().getMessage("DOTJ023E").toString());
logger.error(e.getMessage(), e);
return null;
} finally {
if (binInput != null) {
try {
binInput.close();
} catch (final IOException ioe) {
logger.error(ioe.getMessage(), ioe);
}
}
}
}
/**
* Get Base64 encoding content. For ODT transformation
*
* @param dirName - The directory name that will be added to the path of the image file.
* @param fileName - The file name of the image file.
* @return base64 encoded binary data.
*/
public static String getBASE64(final String dirName, final String fileName) {
final DITAOTJavaLogger logger = new DITAOTJavaLogger();
final URI imgInputURI = toURI(fileName);
final File imgInput =
imgInputURI.isAbsolute()
? new File(imgInputURI)
: new File(dirName, toFile(imgInputURI).getPath());
// BASE64Encoder encoder = new BASE64Encoder();
final Base64 encoder = new Base64();
final byte buff[] = new byte[(int) imgInput.length()];
FileInputStream file = null;
try {
file = new FileInputStream(imgInput);
file.read(buff);
// String ret = encoder.encode(buff);
return encoder.encodeToString(buff);
} catch (final FileNotFoundException e) {
logger.error(MessageUtils.getInstance().getMessage("DOTJ023E").toString());
logger.error(e.getMessage(), e);
return null;
} catch (final IOException e) {
logger.error(MessageUtils.getInstance().getMessage("DOTJ023E").toString());
logger.error(e.getMessage(), e);
return null;
} finally {
if (file != null) {
try {
file.close();
} catch (final IOException ioe) {
logger.error(ioe.getMessage(), ioe);
}
}
}
}
/**
* Get the image height.
*
* @param dirName - The directory name that will be added to the path of the image file.
* @param fileName - The file name of the image file.
* @return int - The height of the picture in pixels.
*/
@Deprecated
public static int getHeight(final String dirName, final String fileName) {
final DITAOTJavaLogger logger = new DITAOTJavaLogger();
final File imgInput = new File(dirName, toFile(fileName).getPath());
try {
final BufferedImage img = ImageIO.read(imgInput);
return img.getHeight();
} catch (final Exception e) {
logger.error(
MessageUtils.getInstance()
.getMessage("DOTJ023E", dirName + File.separatorChar + fileName)
.toString(),
e);
return -1;
}
}