public ByteBuffer encode(
final CodePointBuffer text, ByteBuffer buffer, final EncodingErrorType errorHandling)
throws EncodingException {
final int textLength = text.getLength();
if (buffer == null) {
buffer = new ByteBuffer(textLength);
} else if (buffer.getLength() < textLength) {
buffer.ensureSize(textLength);
}
final byte[] targetArray = buffer.getData();
final int[] sourceArray = text.getData();
int targetIdx = buffer.getOffset();
final int endPos = text.getCursor();
for (int i = text.getOffset(); i < endPos; i++) {
final int sourceItem = sourceArray[i];
if (isUnicodeCharacterSupported(sourceItem)) {
targetArray[targetIdx] = (byte) (sourceItem & 0xff);
targetIdx += 1;
} else {
if (EncodingErrorType.REPLACE.equals(errorHandling)) {
targetArray[targetIdx] = (byte) ('?' & 0xff);
targetIdx += 1;
} else if (EncodingErrorType.FAIL.equals(errorHandling)) {
throw new EncodingException();
}
}
}
buffer.setCursor(targetIdx);
return buffer;
}
public CodePointBuffer decode(final ByteBuffer text, CodePointBuffer buffer) {
final int textLength = text.getLength();
if (buffer == null) {
buffer = new CodePointBuffer(textLength);
} else if (buffer.getLength() < textLength) {
buffer.ensureSize(textLength);
}
final int[] targetArray = buffer.getData();
final byte[] sourceArray = text.getData();
int targetIdx = buffer.getOffset();
final int endPos = text.getCursor();
for (int i = text.getOffset(); i < endPos; i++) {
targetArray[targetIdx] = (sourceArray[i] & 0xff);
targetIdx += 1;
}
buffer.setCursor(targetIdx);
return buffer;
}
/**
* Encode, but ignore errors.
*
* @param text
* @param buffer
* @return
*/
public ByteBuffer encode(final CodePointBuffer text, ByteBuffer buffer) {
final int textLength = text.getLength();
if (buffer == null) {
buffer = new ByteBuffer(textLength);
} else if (buffer.getLength() < textLength) {
buffer.ensureSize(textLength);
}
final byte[] targetArray = buffer.getData();
final int[] sourceArray = text.getData();
int targetIdx = buffer.getOffset();
final int endPos = text.getCursor();
for (int i = text.getOffset(); i < endPos; i++) {
final int sourceItem = sourceArray[i];
if (isUnicodeCharacterSupported(sourceItem)) {
targetArray[targetIdx] = (byte) (sourceItem & 0xff);
targetIdx += 1;
}
}
buffer.setCursor(targetIdx);
return buffer;
}