@Override
protected byte[] doDecoding(byte[] bytes) throws DecoderException {
if (bytes == null) {
return null;
}
boolean hasUnderscores = false;
for (byte b : bytes) {
if (b == UNDERSCORE) {
hasUnderscores = true;
break;
}
}
if (hasUnderscores) {
byte[] tmp = new byte[bytes.length];
for (int i = 0; i < bytes.length; i++) {
byte b = bytes[i];
if (b != UNDERSCORE) {
tmp[i] = b;
} else {
tmp[i] = BLANK;
}
}
return QuotedPrintableCodec.decodeQuotedPrintable(tmp);
}
return QuotedPrintableCodec.decodeQuotedPrintable(bytes);
}
public void propertyValues(Collection<String> values) {
curPropNode.propValue_vector = values;
curPropNode.propValue = listToString(values);
// decode value string to propValue_byts
if (curPropNode.paraMap.containsKey("ENCODING")) {
if (curPropNode.paraMap.getAsString("ENCODING").equalsIgnoreCase("BASE64")) {
curPropNode.propValue_byts =
Base64.decodeBase64(
curPropNode
.propValue
.replaceAll(" ", "")
.replaceAll("\t", "")
.replaceAll("\r\n", "")
.getBytes());
}
if (curPropNode.paraMap.getAsString("ENCODING").equalsIgnoreCase("QUOTED-PRINTABLE")) {
try {
curPropNode.propValue_byts =
QuotedPrintableCodec.decodeQuotedPrintable(
curPropNode.propValue.replaceAll("= ", " ").replaceAll("=\t", "\t").getBytes());
curPropNode.propValue = new String(curPropNode.propValue_byts);
} catch (Exception e) {
System.out.println("=Decode quoted-printable exception.");
e.printStackTrace();
}
}
}
curVNode.propList.add(curPropNode);
}
/**
* @param prop
* @return
* @throws DecoderException
*/
private String getDecodedPropertyalue(Property prop) throws DecoderException {
Encoding enc = (Encoding) prop.getParameter(Parameter.Id.ENCODING);
String val = prop.getValue();
if (enc != null && enc.getValue().equalsIgnoreCase("QUOTED-PRINTABLE")) {
/*
* A special Outlook2003 hack.
*/
if (val.endsWith("=")) {
val = val.substring(0, val.length() - 1);
}
QuotedPrintableCodec codec = new QuotedPrintableCodec();
return codec.decode(val);
} else {
return val;
}
}
@Override
protected byte[] doEncoding(byte[] bytes) {
if (bytes == null) {
return null;
}
byte[] data = QuotedPrintableCodec.encodeQuotedPrintable(PRINTABLE_CHARS, bytes);
if (this.encodeBlanks) {
for (int i = 0; i < data.length; i++) {
if (data[i] == BLANK) {
data[i] = UNDERSCORE;
}
}
}
return data;
}