*/
package jalview.ext.htsjdk;
-import htsjdk.samtools.SAMSequenceDictionary;
-import htsjdk.samtools.SAMSequenceRecord;
-import htsjdk.samtools.reference.ReferenceSequence;
-import htsjdk.samtools.reference.ReferenceSequenceFile;
-import htsjdk.samtools.reference.ReferenceSequenceFileFactory;
-import htsjdk.samtools.util.StringUtil;
import jalview.datamodel.Sequence;
import jalview.datamodel.SequenceI;
import java.io.File;
+import java.io.IOException;
import java.math.BigInteger;
+import java.nio.file.Path;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
+import htsjdk.samtools.SAMException;
+import htsjdk.samtools.SAMSequenceDictionary;
+import htsjdk.samtools.SAMSequenceRecord;
+import htsjdk.samtools.reference.FastaSequenceIndexCreator;
+import htsjdk.samtools.reference.ReferenceSequence;
+import htsjdk.samtools.reference.ReferenceSequenceFile;
+import htsjdk.samtools.reference.ReferenceSequenceFileFactory;
+import htsjdk.samtools.util.StringUtil;
+
/**
* a source of sequence data accessed via the HTSJDK
*
*/
public class HtsContigDb
{
-
private String name;
private File dbLocation;
private htsjdk.samtools.reference.ReferenceSequenceFile refFile = null;
- public HtsContigDb(String name, File descriptor) throws Exception
+ public static void createFastaSequenceIndex(Path path, boolean overwrite)
+ throws IOException
+ {
+ try
+ {
+ FastaSequenceIndexCreator.create(path, overwrite);
+ } catch (SAMException e)
+ {
+ throw new IOException(e.getMessage());
+ }
+ }
+
+ public HtsContigDb(String name, File descriptor)
{
if (descriptor.isFile())
{
initSource();
}
- private void initSource() throws Exception
+ public void close()
+ {
+ if (refFile != null)
+ {
+ try
+ {
+ refFile.close();
+ } catch (IOException e)
+ {
+ // ignore
+ }
+ }
+ }
+
+ private void initSource()
{
if (refFile != null)
{
final ReferenceSequenceFile refSeqFile = ReferenceSequenceFileFactory
.getReferenceSequenceFile(f, truncate);
ReferenceSequence refSeq;
- List<SAMSequenceRecord> ret = new ArrayList<SAMSequenceRecord>();
- Set<String> sequenceNames = new HashSet<String>();
+ List<SAMSequenceRecord> ret = new ArrayList<>();
+ Set<String> sequenceNames = new HashSet<>();
for (int numSequences = 0; (refSeq = refSeqFile
.nextSequence()) != null; ++numSequences)
{
// ///// end of hts bits.
- SequenceI getSequenceProxy(String id)
+ public SequenceI getSequenceProxy(String id)
{
if (!isValid())
{
ReferenceSequence sseq = refFile.getSequence(id);
return new Sequence(sseq.getName(), new String(sseq.getBases()));
}
+
+ public boolean isIndexed()
+ {
+ return refFile != null && refFile.isIndexed();
+ }
+
}