public static int getContentLength(final Header headers) throws BatchDeserializerException {
final HeaderField contentLengthField = headers.getHeaderField(HttpHeader.CONTENT_LENGTH);
if (contentLengthField != null && contentLengthField.getValues().size() == 1) {
final List<String> contentLengthValues = contentLengthField.getValues();
try {
int contentLength = Integer.parseInt(contentLengthValues.get(0));
if (contentLength < 0) {
throw new BatchDeserializerException(
"Invalid content length",
MessageKeys.INVALID_CONTENT_LENGTH,
Integer.toString(contentLengthField.getLineNumber()));
}
return contentLength;
} catch (NumberFormatException e) {
throw new BatchDeserializerException(
"Invalid content length",
e,
MessageKeys.INVALID_CONTENT_LENGTH,
Integer.toString(contentLengthField.getLineNumber()));
}
}
return -1;
}
public static void validateContentTransferEncoding(final Header headers)
throws BatchDeserializerException {
final HeaderField contentTransferField =
headers.getHeaderField(BatchParserCommon.CONTENT_TRANSFER_ENCODING);
if (contentTransferField != null) {
final List<String> contentTransferValues = contentTransferField.getValues();
if (contentTransferValues.size() == 1) {
String encoding = contentTransferValues.get(0);
if (!BatchParserCommon.BINARY_ENCODING.equalsIgnoreCase(encoding)) {
throw new BatchDeserializerException(
"Invalid content transfer encoding",
MessageKeys.INVALID_CONTENT_TRANSFER_ENCODING,
Integer.toString(headers.getLineNumber()));
}
} else {
throw new BatchDeserializerException(
"Invalid Content-Transfer-Encoding header",
MessageKeys.INVALID_CONTENT_TRANSFER_ENCODING,
Integer.toString(headers.getLineNumber()));
}
} else {
throw new BatchDeserializerException(
"Missing mandatory content transfer encoding",
MessageKeys.MISSING_CONTENT_TRANSFER_ENCODING,
Integer.toString(headers.getLineNumber()));
}
}
private void validateChangeSetBoundary(final String changeSetBoundary, final Header header)
throws BatchDeserializerException {
if (changeSetBoundary.equals(boundary)) {
throw new BatchDeserializerException(
"Change set boundary is equals to batch request boundary",
BatchDeserializerException.MessageKeys.INVALID_BOUNDARY,
Integer.toString(header.getHeaderField(HttpHeader.CONTENT_TYPE).getLineNumber()));
}
}
private List<List<Line>> splitChangeSet(List<Line> remainingMessage)
throws BatchDeserializerException {
final HeaderField contentTypeField = headers.getHeaderField(HttpHeader.CONTENT_TYPE);
final String changeSetBoundary =
BatchParserCommon.getBoundary(
contentTypeField.getValue(), contentTypeField.getLineNumber());
validateChangeSetBoundary(changeSetBoundary, headers);
return BatchParserCommon.splitMessageByBoundary(remainingMessage, changeSetBoundary);
}