/**
* Finds the adaptor boundary around the read and returns the first base inside the adaptor that
* is closest to the read boundary. If the read is in the positive strand, this is the first base
* after the end of the fragment (Picard calls it 'insert'), if the read is in the negative
* strand, this is the first base before the beginning of the fragment.
*
* <p>There are two cases we need to treat here:
*
* <p>1) Our read is in the reverse strand :
*
* <p><----------------------| * |--------------------->
*
* <p>in these cases, the adaptor boundary is at the mate start (minus one)
*
* <p>2) Our read is in the forward strand :
*
* <p>|----------------------> * <----------------------|
*
* <p>in these cases the adaptor boundary is at the start of the read plus the inferred insert
* size (plus one)
*
* @param read the read being tested for the adaptor boundary
* @return the reference coordinate for the adaptor boundary (effectively the first base IN the
* adaptor, closest to the read. NULL if the read is unmapped or the mate is mapped to another
* contig.
*/
public static Integer getAdaptorBoundary(final SAMRecord read) {
final int MAXIMUM_ADAPTOR_LENGTH = 8;
final int insertSize =
Math.abs(
read
.getInferredInsertSize()); // the inferred insert size can be negative if the mate
// is mapped before the read (so we take the absolute
// value)
if (insertSize == 0
|| read
.getReadUnmappedFlag()) // no adaptors in reads with mates in another chromosome or
// unmapped pairs
return null;
Integer
adaptorBoundary; // the reference coordinate for the adaptor boundary (effectively the first
// base IN the adaptor, closest to the read)
if (read.getReadNegativeStrandFlag())
adaptorBoundary = read.getMateAlignmentStart() - 1; // case 1 (see header)
else adaptorBoundary = read.getAlignmentStart() + insertSize + 1; // case 2 (see header)
if ((adaptorBoundary < read.getAlignmentStart() - MAXIMUM_ADAPTOR_LENGTH)
|| (adaptorBoundary > read.getAlignmentEnd() + MAXIMUM_ADAPTOR_LENGTH))
adaptorBoundary =
null; // we are being conservative by not allowing the adaptor boundary to go beyond what
// we belive is the maximum size of an adaptor
return adaptorBoundary;
}
public void set(MouseEvent e, SAMRecord sr) {
if (sr == null) return;
StringBuffer text = new StringBuffer();
text.append("<html>");
if (sr != null) {
text.append(
MessageManager.getString("shortreadtrack.name") + " " + sr.getReadName() + "<br/>");
text.append(
MessageManager.getString("shortreadtrack.len") + " " + sr.getReadLength() + "<br/>");
text.append(
MessageManager.getString("shortreadtrack.cigar") + " " + sr.getCigarString() + "<br/>");
text.append(
MessageManager.getString("shortreadtrack.sequence")
+ " "
+ rerun(sr.getReadString())
+ "<br/>");
text.append(
MessageManager.getString("shortreadtrack.paired")
+ " "
+ sr.getReadPairedFlag()
+ "<br/>");
if (sr.getReadPairedFlag()) {
if (!sr.getMateUnmappedFlag())
text.append(
MessageManager.getString("shortreadtrack.mate")
+ " "
+ sr.getMateReferenceName()
+ ":"
+ sr.getMateAlignmentStart()
+ "<br/>");
else text.append(MessageManager.getString("shortreadtrack.mate_missing") + "<br/>");
text.append(
MessageManager.getString("shortreadtrack.second") + " " + sr.getFirstOfPairFlag());
}
// text.append("<br/>");
}
text.append("</html>");
if (!text.toString().equals(floater.getText())) {
floater.setText(text.toString());
this.pack();
}
setLocation(e.getXOnScreen() + 5, e.getYOnScreen() + 5);
if (!isVisible()) {
setVisible(true);
}
}
@Override
public int doWork(String[] args) {
File refFile = null;
com.github.lindenb.jvarkit.util.cli.GetOpt getopt =
new com.github.lindenb.jvarkit.util.cli.GetOpt();
int c;
while ((c = getopt.getopt(args, "hvL:r:")) != -1) {
switch (c) {
case 'h':
printUsage();
return 0;
case 'v':
System.out.println(getVersion());
return 0;
case 'L':
getLogger().setLevel(java.util.logging.Level.parse(getopt.getOptArg()));
break;
case 'r':
refFile = new File(getopt.getOptArg());
break;
case ':':
System.err.println("Missing argument for option -" + getopt.getOptOpt());
return -1;
default:
System.err.println("Unknown option -" + getopt.getOptOpt());
return -1;
}
}
if (refFile == null) {
error("Undefined REF file");
return -1;
}
File bamFile = null;
if (getopt.getOptInd() + 1 != args.length) {
info("reading from stdin.");
} else {
bamFile = new File(args[getopt.getOptInd()]);
}
IndexedFastaSequenceFile indexedFastaSequenceFile = null;
SAMFileReader samFileReader = null;
try {
GenomicSequence genomicSequence = null;
indexedFastaSequenceFile = new IndexedFastaSequenceFile(refFile);
SAMFileReader.setDefaultValidationStringency(ValidationStringency.SILENT);
samFileReader = null;
if (bamFile == null) {
samFileReader = new SAMFileReader(System.in);
} else {
samFileReader = new SAMFileReader(bamFile);
}
XMLOutputFactory xmlfactory = XMLOutputFactory.newInstance();
XMLStreamWriter w = xmlfactory.createXMLStreamWriter(System.out, "UTF-8");
w.writeStartDocument("UTF-8", "1.0");
w.writeStartElement("sam");
w.writeComment(getProgramCommandLine());
w.writeAttribute("ref", (bamFile == null ? "stdin" : bamFile.getPath()));
w.writeAttribute("bam", args[1]);
SAMRecordIterator iter = samFileReader.iterator();
while (iter.hasNext()) {
SAMRecord rec = iter.next();
final byte readbases[] = rec.getReadBases();
w.writeStartElement("read");
w.writeStartElement("name");
w.writeCharacters(rec.getReadName());
w.writeEndElement();
w.writeStartElement("sequence");
w.writeCharacters(new String(readbases));
w.writeEndElement();
w.writeStartElement("flags");
w.writeAttribute("paired", String.valueOf(rec.getReadPairedFlag()));
w.writeAttribute(
"failsVendorQual", String.valueOf(rec.getReadFailsVendorQualityCheckFlag()));
w.writeAttribute("mapped", String.valueOf(!rec.getReadUnmappedFlag()));
w.writeAttribute("strand", (rec.getReadNegativeStrandFlag() ? "-" : "+"));
if (rec.getReadPairedFlag()) {
w.writeAttribute("mate-mapped", String.valueOf(!rec.getMateUnmappedFlag()));
w.writeAttribute("mate-strand", (rec.getMateNegativeStrandFlag() ? "-" : "+"));
w.writeAttribute("proper-pair", String.valueOf(rec.getProperPairFlag()));
}
w.writeCharacters(String.valueOf(rec.getFlags()));
w.writeEndElement();
if (!rec.getReadUnmappedFlag()) {
w.writeStartElement("qual");
w.writeCharacters(String.valueOf(rec.getMappingQuality()));
w.writeEndElement();
w.writeStartElement("chrom");
w.writeAttribute("index", String.valueOf(rec.getReferenceIndex()));
w.writeCharacters(rec.getReferenceName());
w.writeEndElement();
w.writeStartElement("pos");
w.writeCharacters(String.valueOf(rec.getAlignmentStart()));
w.writeEndElement();
w.writeStartElement("cigar");
w.writeCharacters(rec.getCigarString());
w.writeEndElement();
}
if (!rec.getMateUnmappedFlag()) {
w.writeStartElement("mate-chrom");
w.writeAttribute("index", String.valueOf(rec.getMateReferenceIndex()));
w.writeCharacters(rec.getMateReferenceName());
w.writeEndElement();
w.writeStartElement("mate-pos");
w.writeCharacters(String.valueOf(rec.getMateAlignmentStart()));
w.writeEndElement();
}
if (!rec.getReadUnmappedFlag()) {
if (genomicSequence == null
|| genomicSequence.getChrom().equals(rec.getReferenceName())) {
genomicSequence = new GenomicSequence(indexedFastaSequenceFile, rec.getReferenceName());
}
w.writeStartElement("align");
int readIndex = 0;
int refIndex = rec.getAlignmentStart();
for (final CigarElement e : rec.getCigar().getCigarElements()) {
switch (e.getOperator()) {
case H:
break; // ignore hard clips
case P:
break; // ignore pads
case I: // cont.
case S:
{
final int length = e.getLength();
for (int i = 0; i < length; ++i) {
w.writeEmptyElement(e.getOperator().name());
w.writeAttribute("read-index", String.valueOf(readIndex + 1));
if (readIndex >= 0 && readIndex < readbases.length) {
w.writeAttribute("read-base", String.valueOf((char) (readbases[readIndex])));
}
readIndex++;
}
break;
}
case N: // cont. -- reference skip
case D:
{
final int length = e.getLength();
for (int i = 0; i < length; ++i) {
w.writeEmptyElement(e.getOperator().name());
w.writeAttribute("ref-index", String.valueOf(refIndex));
if (refIndex >= 1 && refIndex <= genomicSequence.length()) {
w.writeAttribute(
"ref-base", String.valueOf(genomicSequence.charAt(refIndex - 1)));
}
refIndex++;
}
break;
}
case M:
case EQ:
case X:
{
final int length = e.getLength();
for (int i = 0; i < length; ++i) {
w.writeEmptyElement(e.getOperator().name());
char baseRead = '\0';
if (readIndex >= 0 && readIndex < readbases.length) {
baseRead = (char) (rec.getReadBases()[readIndex]);
w.writeAttribute("read-index", String.valueOf(readIndex + 1));
w.writeAttribute("read-base", String.valueOf(baseRead));
}
w.writeAttribute("ref-index", String.valueOf(refIndex));
if (refIndex >= 1 && refIndex <= genomicSequence.length()) {
char baseRef = genomicSequence.charAt(refIndex - 1);
w.writeAttribute("ref-base", String.valueOf(baseRef));
if (Character.toUpperCase(baseRef) != Character.toUpperCase(baseRead)) {
w.writeAttribute("mismatch", "true");
}
}
refIndex++;
readIndex++;
}
break;
}
default:
throw new IllegalStateException(
"Case statement didn't deal with cigar op: " + e.getOperator());
}
}
}
w.writeEndElement();
w.writeEndElement();
iter.close();
w.writeEndElement();
}
w.writeEndElement();
w.writeEndDocument();
w.flush();
w.close();
} catch (Exception err) {
error(err);
return -1;
} finally {
CloserUtil.close(samFileReader);
CloserUtil.close(indexedFastaSequenceFile);
}
return 0;
}