/*
* In this class "out" is the GZip output stream of the current GZip entry.
* @see org.jwat.arc.ArcWriter#writeHeader(byte[], java.lang.Long)
*/
@Override
public void writeRawHeader(byte[] header_bytes, Long contentLength) throws IOException {
if (header_bytes == null) {
throw new IllegalArgumentException("The 'header_bytes' parameter is null!");
}
if (contentLength != null && contentLength < 0) {
throw new IllegalArgumentException("The 'contentLength' parameter is negative!");
}
if (state == S_HEADER_WRITTEN) {
throw new IllegalStateException("Headers written back to back!");
} else if (state == S_PAYLOAD_WRITTEN) {
closeRecord();
}
entry = new GzipEntry();
entry.magic = GzipConstants.GZIP_MAGIC;
entry.cm = GzipConstants.CM_DEFLATE;
entry.flg = 0;
entry.mtime = System.currentTimeMillis() / 1000;
entry.xfl = 0;
entry.os = GzipConstants.OS_UNKNOWN;
writer.writeEntryHeader(entry);
out = entry.getOutputStream();
out.write(header_bytes);
state = S_HEADER_WRITTEN;
header = null;
headerContentLength = contentLength;
payloadWrittenTotal = 0;
}
@Override
public void closeRecord() throws IOException {
if (state == S_INIT) {
throw new IllegalStateException("Write a record before closing it!");
}
if (entry != null) {
closeRecord_impl();
state = S_RECORD_CLOSED;
entry.close();
entry = null;
}
}
/*
* In this class "out" is the GZip output stream of the current GZip entry.
* state changed to S_HEADER_WRITTEN
* Sets the header and headerContentLength fields.
* payloadWrittenTotal is set to 0
* @see org.jwat.arc.ArcWriter#writeHeader(org.jwat.arc.ArcRecordBase)
*/
@Override
public byte[] writeHeader(ArcRecordBase record) throws IOException {
if (record == null) {
throw new IllegalArgumentException("The 'record' parameter is null!");
}
if (state == S_HEADER_WRITTEN) {
throw new IllegalStateException("Headers written back to back!");
} else if (state == S_PAYLOAD_WRITTEN) {
closeRecord();
}
entry = new GzipEntry();
entry.magic = GzipConstants.GZIP_MAGIC;
entry.cm = GzipConstants.CM_DEFLATE;
entry.flg = 0;
entry.mtime = System.currentTimeMillis() / 1000;
entry.xfl = 0;
entry.os = GzipConstants.OS_UNKNOWN;
writer.writeEntryHeader(entry);
out = entry.getOutputStream();
return writeHeader_impl(record);
}