/**
* Create a common SAMFileWriter from a factory for use with GATK tools. Assumes that if the
* factory has been set to create an index, the header must be set to coordinate sorted.
*
* @param outputFile if this file has a .cram extension then a reference is required. Can not be
* null.
* @param referenceFile the reference source to use. Can not be null if a output file has a .cram
* extension.
* @param header header to be used for the output writer
* @param preSorted if true then records must already be sorted to match the header sort order
* @param factory SAMFileWriterFactory factory to use
* @return SAMFileWriter
*/
public static SAMFileWriter createCommonSAMWriterFromFactory(
final SAMFileWriterFactory factory,
final File outputFile,
final File referenceFile,
final SAMFileHeader header,
final boolean preSorted) {
Utils.nonNull(outputFile);
Utils.nonNull(header);
if (null == referenceFile && outputFile.getName().endsWith(CramIO.CRAM_FILE_EXTENSION)) {
throw new UserException("A reference file is required for writing CRAM files");
}
return factory.makeWriter(header.clone(), preSorted, outputFile, referenceFile);
}
