*/
public class IdentifyFile
{
- public static final String FeaturesFile = "GFF or Jalview features";
-
/**
* Identify a datasource's file content.
*
* instead.
*
* @param file
- * DOCUMENT ME!
- * @param protocol
- * DOCUMENT ME!
- * @return ID String
+ * @param sourceType
+ * @return
+ * @throws FileFormatException
*/
- public String identify(String file, String protocol)
+ public FileFormatI identify(String file, DataSourceType sourceType)
+ throws FileFormatException
{
String emessage = "UNIDENTIFIED FILE PARSING ERROR";
FileParse parser = null;
try
{
- parser = new FileParse(file, protocol);
+ parser = new FileParse(file, sourceType);
if (parser.isValid())
{
return identify(parser);
}
if (parser != null)
{
- return parser.errormessage;
+ throw new FileFormatException(parser.errormessage);
}
- return emessage;
+ throw new FileFormatException(emessage);
+ }
+
+ public FileFormatI identify(FileParse source) throws FileFormatException
+ {
+ return identify(source, true);
+ // preserves original behaviour prior to version 2.3
}
- public String identify(FileParse source)
+ public FileFormatI identify(AlignmentFileReaderI file, boolean closeSource)
+ throws IOException
{
- return identify(source, true); // preserves original behaviour prior to
- // version 2.3
+ FileParse fp = new FileParse(file.getInFile(), file.getDataSourceType());
+ return identify(fp, closeSource);
}
/**
*
* @param source
* @param closeSource
- * @return filetype string
+ * @return (best guess at) file format
+ * @throws FileFormatException
*/
- public String identify(FileParse source, boolean closeSource)
+ public FileFormatI identify(FileParse source, boolean closeSource)
+ throws FileFormatException
{
- String reply = "PFAM";
+ FileFormatI reply = FileFormat.Pfam;
String data;
int bytesRead = 0;
int trimmedLength = 0;
if (fileStr.lastIndexOf(".jar") > -1
|| fileStr.lastIndexOf(".zip") > -1)
{
- reply = "Jalview";
+ reply = FileFormat.Jalview;
}
}
if (!lineswereskipped && data.startsWith("PK"))
{
- reply = "Jalview"; // archive.
+ reply = FileFormat.Jalview; // archive.
break;
}
}
if (data.startsWith("##GFF-VERSION"))
{
// GFF - possibly embedded in a Jalview features file!
- reply = FeaturesFile;
+ reply = FileFormat.Features;
break;
}
if (looksLikeFeatureData(data))
{
- reply = FeaturesFile;
+ reply = FileFormat.Features;
break;
}
if (data.indexOf("# STOCKHOLM") > -1)
{
- reply = "STH";
+ reply = FileFormat.Stockholm;
break;
}
if (data.indexOf("_ENTRY.ID") > -1
|| data.indexOf("_AUDIT_AUTHOR.NAME") > -1
|| data.indexOf("_ATOM_SITE.") > -1)
{
- reply = "mmCIF";
+ reply = FileFormat.MMCif;
break;
}
// if (data.indexOf(">") > -1)
{
// watch for PIR file attributes
checkPIR = true;
- reply = "PIR";
+ reply = FileFormat.PIR;
}
// could also be BLC file, read next line to confirm
data = source.nextLine();
if (data.indexOf(">") > -1)
{
- reply = "BLC";
+ reply = FileFormat.BLC;
}
else
{
{
if (c1 == 0 && c1 == data2.indexOf("*"))
{
- reply = "BLC";
+ reply = FileFormat.BLC;
}
else
{
- reply = "FASTA"; // possibly a bad choice - may be recognised as
+ reply = FileFormat.Fasta; // possibly a bad choice - may be
+ // recognised as
// PIR
}
// otherwise can still possibly be a PIR file
}
else
{
- reply = "FASTA";
+ reply = FileFormat.Fasta;
// TODO : AMSA File is indicated if there is annotation in the
// FASTA file - but FASTA will automatically generate this at the
// mo.
}
if (starterm)
{
- reply = "PIR";
+ reply = FileFormat.PIR;
break;
}
else
{
- reply = "FASTA"; // probably a bad choice!
+ reply = FileFormat.Fasta; // probably a bad choice!
}
}
// read as a FASTA (probably)
String upper = data.toUpperCase();
if (upper.substring(lessThan).startsWith("<HTML"))
{
- reply = HtmlFile.FILE_DESC;
+ reply = FileFormat.Html;
break;
}
if (upper.substring(lessThan).startsWith("<RNAML"))
{
- reply = "RNAML";
+ reply = FileFormat.Rnaml;
break;
}
}
if (data.indexOf("{\"") > -1)
{
- reply = JSONFile.FILE_DESC;
+ reply = FileFormat.Json;
break;
}
if ((data.length() < 1) || (data.indexOf("#") == 0))
if (data.indexOf("PILEUP") > -1)
{
- reply = "PileUp";
+ reply = FileFormat.Pileup;
break;
}
|| ((data.indexOf("!!") > -1) && (data.indexOf("!!") < data
.indexOf("_MULTIPLE_ALIGNMENT "))))
{
- reply = "MSF";
+ reply = FileFormat.MSF;
break;
}
else if (data.indexOf("CLUSTAL") > -1)
{
- reply = "CLUSTAL";
+ reply = FileFormat.Clustal;
break;
}
else if (data.indexOf("HEADER") == 0 || data.indexOf("ATOM") == 0)
{
- reply = "PDB";
+ reply = FileFormat.PDB;
break;
}
else if (data.matches("\\s*\\d+\\s+\\d+\\s*"))
{
- reply = PhylipFile.FILE_DESC;
+ reply = FileFormat.Phylip;
break;
}
else
{
if (!lineswereskipped && looksLikeJnetData(data))
{
- reply = "JnetFile";
+ reply = FileFormat.Jnet;
break;
}
}
} catch (Exception ex)
{
System.err.println("File Identification failed!\n" + ex);
- return source.errormessage;
+ throw new FileFormatException(source.errormessage);
}
if (trimmedLength == 0)
{
System.err
.println("File Identification failed! - Empty file was read.");
- return "EMPTY DATA FILE";
+ throw new FileFormatException("EMPTY DATA FILE");
}
+ System.out.println("File format identified as " + reply.toString());
return reply;
}
public static void main(String[] args)
{
-
for (int i = 0; args != null && i < args.length; i++)
{
IdentifyFile ider = new IdentifyFile();
- String type = ider.identify(args[i], AppletFormatAdapter.FILE);
+ FileFormatI type = null;
+ try
+ {
+ type = ider.identify(args[i], DataSourceType.FILE);
+ } catch (FileFormatException e)
+ {
+ System.err.println(String.format(
+ "Error '%s' identifying file type for %s", args[i],
+ e.getMessage()));
+ }
System.out.println("Type of " + args[i] + " is " + type);
}
if (args == null || args.length == 0)
git://source.jalview.org / jalview.git / blobdiff