2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import jalview.api.AlignExportSettingI;
24 import jalview.api.AlignmentViewPanel;
25 import jalview.datamodel.Alignment;
26 import jalview.datamodel.AlignmentAnnotation;
27 import jalview.datamodel.AlignmentI;
28 import jalview.datamodel.AlignmentView;
29 import jalview.datamodel.PDBEntry.Type;
30 import jalview.datamodel.SequenceI;
31 import jalview.ext.jmol.JmolParser;
32 import jalview.structure.StructureImportSettings;
35 import java.io.IOException;
36 import java.io.InputStream;
37 import java.util.List;
40 * A low level class for alignment and feature IO with alignment formatting
41 * methods used by both applet and application for generating flat alignment
42 * files. It also holds the lists of magic format names that the applet and
43 * application will allow the user to read or write files with.
48 public class AppletFormatAdapter
50 private AlignmentViewPanel viewpanel;
53 * add jalview-derived non-secondary structure annotation from PDB structure
55 boolean annotFromStructure = false;
58 * add secondary structure from PDB data with built-in algorithms
60 boolean localSecondaryStruct = false;
63 * process PDB data with web services
65 boolean serviceSecondaryStruct = false;
67 private AlignmentFileReaderI alignFile = null;
72 * character used to write newlines
74 protected String newline = System.getProperty("line.separator");
76 private AlignExportSettingI exportSettings;
78 public static String INVALID_CHARACTERS = "Contains invalid characters";
81 * Returns an error message with a list of supported readable file formats
85 public static String getSupportedFormats()
87 return "Formats currently supported are\n"
88 + prettyPrint(FileFormats.getInstance().getReadableFormats());
91 public AppletFormatAdapter()
95 public AppletFormatAdapter(AlignmentViewPanel viewpanel)
97 this.viewpanel = viewpanel;
100 public AppletFormatAdapter(AlignmentViewPanel alignPanel,
101 AlignExportSettingI settings)
103 viewpanel = alignPanel;
104 exportSettings = settings;
108 * Formats a grammatically correct(ish) list consisting of the given objects
113 public static String prettyPrint(List<? extends Object> things)
115 StringBuffer list = new StringBuffer();
116 for (int i = 0, iSize = things.size() - 1; i < iSize; i++)
118 list.append(things.get(i).toString());
121 // could i18n 'and' here
122 list.append(" and " + things.get(things.size() - 1).toString() + ".");
123 return list.toString();
126 public void setNewlineString(String nl)
131 public String getNewlineString()
137 * Constructs the correct filetype parser for a characterised datasource
147 public AlignmentI readFile(String file, DataSourceType sourceType,
148 FileFormatI fileFormat) throws IOException
153 if (fileFormat.isStructureFile())
155 String structureParser = StructureImportSettings
156 .getDefaultPDBFileParser();
157 boolean isParseWithJMOL = structureParser.equalsIgnoreCase(
158 StructureImportSettings.StructureParser.JMOL_PARSER
160 StructureImportSettings.addSettings(annotFromStructure,
161 localSecondaryStruct, serviceSecondaryStruct);
164 alignFile = new JmolParser(inFile, sourceType);
168 // todo is MCview parsing obsolete yet? JAL-2120
169 StructureImportSettings.setShowSeqFeatures(true);
170 alignFile = new MCview.PDBfile(annotFromStructure,
171 localSecondaryStruct, serviceSecondaryStruct, inFile,
174 ((StructureFile) alignFile).setDbRefType(
175 FileFormat.PDB.equals(fileFormat) ? Type.PDB : Type.MMCIF);
179 // alignFile = fileFormat.getAlignmentFile(inFile, sourceType);
180 alignFile = fileFormat.getReader(new FileParse(inFile, sourceType));
182 return buildAlignmentFromFile();
183 } catch (Exception e)
186 System.err.println("Failed to read alignment using the '" + fileFormat
187 + "' reader.\n" + e);
189 if (e.getMessage() != null
190 && e.getMessage().startsWith(INVALID_CHARACTERS))
192 throw new IOException(e.getMessage());
195 // Finally test if the user has pasted just the sequence, no id
196 if (sourceType == DataSourceType.PASTE)
200 // Possible sequence is just residues with no label
201 alignFile = new FastaFile(">UNKNOWN\n" + inFile,
202 DataSourceType.PASTE);
203 return buildAlignmentFromFile();
205 } catch (Exception ex)
207 if (ex.toString().startsWith(INVALID_CHARACTERS))
209 throw new IOException(e.getMessage());
212 ex.printStackTrace();
215 if (FileFormat.Html.equals(fileFormat))
217 throw new IOException(e.getMessage());
220 throw new FileFormatException(getSupportedFormats());
224 * Constructs the correct filetype parser for an already open datasource
227 * an existing datasource
229 * File format of data that will be provided by datasource
233 public AlignmentI readFromFile(FileParse source, FileFormatI format)
236 this.inFile = source.getInFile();
237 DataSourceType type = source.dataSourceType;
240 if (FileFormat.PDB.equals(format) || FileFormat.MMCif.equals(format))
242 // TODO obtain config value from preference settings
243 boolean isParseWithJMOL = false;
246 StructureImportSettings.addSettings(annotFromStructure,
247 localSecondaryStruct, serviceSecondaryStruct);
248 alignFile = new JmolParser(source);
252 StructureImportSettings.setShowSeqFeatures(true);
253 alignFile = new MCview.PDBfile(annotFromStructure,
254 localSecondaryStruct, serviceSecondaryStruct, source);
256 ((StructureFile) alignFile).setDbRefType(Type.PDB);
260 alignFile = format.getReader(source);
263 return buildAlignmentFromFile();
265 } catch (Exception e)
268 System.err.println("Failed to read alignment using the '" + format
269 + "' reader.\n" + e);
271 if (e.getMessage() != null
272 && e.getMessage().startsWith(INVALID_CHARACTERS))
274 throw new FileFormatException(e.getMessage());
277 // Finally test if the user has pasted just the sequence, no id
278 if (type == DataSourceType.PASTE)
282 // Possible sequence is just residues with no label
283 alignFile = new FastaFile(">UNKNOWN\n" + inFile,
284 DataSourceType.PASTE);
285 return buildAlignmentFromFile();
287 } catch (Exception ex)
289 if (ex.toString().startsWith(INVALID_CHARACTERS))
291 throw new IOException(e.getMessage());
294 ex.printStackTrace();
298 // If we get to this stage, the format was not supported
299 throw new FileFormatException(getSupportedFormats());
304 * boilerplate method to handle data from an AlignFile and construct a new
305 * alignment or import to an existing alignment
307 * @return AlignmentI instance ready to pass to a UI constructor
309 private AlignmentI buildAlignmentFromFile()
311 // Standard boilerplate for creating alignment from parser
312 // alignFile.configureForView(viewpanel);
314 AlignmentI al = new Alignment(alignFile.getSeqsAsArray());
316 alignFile.addAnnotations(al);
318 alignFile.addGroups(al);
324 * create an alignment flatfile from a Jalview alignment view
329 * @param selectedOnly
330 * @return flatfile in a string
332 public String formatSequences(FileFormatI format, boolean jvsuffix,
333 AlignmentViewPanel ap, boolean selectedOnly)
336 AlignmentView selvew = ap.getAlignViewport()
337 .getAlignmentView(selectedOnly, false);
338 AlignmentI aselview = selvew
339 .getVisibleAlignment(ap.getAlignViewport().getGapCharacter());
340 List<AlignmentAnnotation> ala = (ap.getAlignViewport()
341 .getVisibleAlignmentAnnotation(selectedOnly));
344 for (AlignmentAnnotation aa : ala)
346 aselview.addAnnotation(aa);
350 return formatSequences(format, aselview, jvsuffix);
354 * Construct an output class for an alignment in a particular filetype TODO:
355 * allow caller to detect errors and warnings encountered when generating
359 * string name of alignment format
361 * the alignment to be written out
363 * passed to AlnFile class controls whether /START-END is added to
366 * @return alignment flat file contents
368 public String formatSequences(FileFormatI format, AlignmentI alignment,
373 AlignmentFileWriterI afile = format.getWriter(alignment);
375 afile.setNewlineString(newline);
376 afile.setExportSettings(exportSettings);
377 afile.configureForView(viewpanel);
379 // check whether we were given a specific alignment to export, rather than
380 // the one in the viewpanel
381 SequenceI[] seqs = null;
382 if (viewpanel == null || viewpanel.getAlignment() == null
383 || viewpanel.getAlignment() != alignment)
385 seqs = alignment.getSequencesArray();
389 seqs = viewpanel.getAlignment().getSequencesArray();
392 String afileresp = afile.print(seqs, jvsuffix);
393 if (afile.hasWarningMessage())
395 System.err.println("Warning raised when writing as " + format
396 + " : " + afile.getWarningMessage());
399 } catch (Exception e)
401 System.err.println("Failed to write alignment as a '"
402 + format.getName() + "' file\n");
410 * Determines the protocol (i.e DataSourceType.{FILE|PASTE|URL}) for the input
414 * @return the protocol for the input data
416 public static DataSourceType checkProtocol(String data)
418 DataSourceType protocol = DataSourceType.PASTE;
419 String ft = data.toLowerCase().trim();
420 if (ft.indexOf("http:") == 0 || ft.indexOf("https:") == 0
421 || ft.indexOf("file:") == 0)
423 protocol = DataSourceType.URL;
425 else if (new File(data).exists())
427 protocol = DataSourceType.FILE;
432 public static void main(String[] args)
435 while (i < args.length)
437 File f = new File(args[i]);
442 System.out.println("Reading file: " + f);
443 AppletFormatAdapter afa = new AppletFormatAdapter();
444 Runtime r = Runtime.getRuntime();
446 long memf = -r.totalMemory() + r.freeMemory();
447 long t1 = -System.currentTimeMillis();
448 AlignmentI al = afa.readFile(args[i], DataSourceType.FILE,
449 new IdentifyFile().identify(args[i],
450 DataSourceType.FILE));
451 t1 += System.currentTimeMillis();
453 memf += r.totalMemory() - r.freeMemory();
456 System.out.println("Alignment contains " + al.getHeight()
457 + " sequences and " + al.getWidth() + " columns.");
460 System.out.println(new AppletFormatAdapter()
461 .formatSequences(FileFormat.Fasta, al, true));
462 } catch (Exception e)
465 "Couln't format the alignment for output as a FASTA file.");
466 e.printStackTrace(System.err);
471 System.out.println("Couldn't read alignment");
473 System.out.println("Read took " + (t1 / 1000.0) + " seconds.");
475 "Difference between free memory now and before is "
476 + (memf / (1024.0 * 1024.0) * 1.0) + " MB");
477 } catch (Exception e)
479 System.err.println("Exception when dealing with " + i
480 + "'th argument: " + args[i] + "\n" + e);
485 System.err.println("Ignoring argument '" + args[i] + "' (" + i
486 + "'th)- not a readable file.");
493 * try to discover how to access the given file as a valid datasource that
494 * will be identified as the given type.
498 * @return protocol that yields the data parsable as the given type
500 public static DataSourceType resolveProtocol(String file,
503 return resolveProtocol(file, format, false);
506 public static DataSourceType resolveProtocol(String file,
507 FileFormatI format, boolean debug)
509 // TODO: test thoroughly!
510 DataSourceType protocol = null;
513 System.out.println("resolving datasource started with:\n>>file\n"
514 + file + ">>endfile");
517 // This might throw a security exception in certain browsers
518 // Netscape Communicator for instance.
522 InputStream is = System.getSecurityManager().getClass()
523 .getResourceAsStream("/" + file);
531 System.err.println("Resource '" + file + "' was "
532 + (rtn ? "" : "not") + " located by classloader.");
536 protocol = DataSourceType.CLASSLOADER;
539 } catch (Exception ex)
542 .println("Exception checking resources: " + file + " " + ex);
545 if (file.indexOf("://") > -1)
547 protocol = DataSourceType.URL;
551 // skipping codebase prepend check.
552 protocol = DataSourceType.FILE;
560 "Trying to get contents of resource as " + protocol + ":");
562 fp = new FileParse(file, protocol);
571 System.out.println("Successful.");
574 } catch (Exception e)
578 System.err.println("Exception when accessing content: " + e);
586 System.out.println("Accessing as paste.");
588 protocol = DataSourceType.PASTE;
592 fp = new FileParse(file, protocol);
597 } catch (Exception e)
599 System.err.println("Failed to access content as paste!");
616 FileFormatI idformat = new IdentifyFile().identify(file, protocol);
617 if (idformat == null)
621 System.out.println("Format not identified. Inaccessible file.");
627 System.out.println("Format identified as " + idformat
628 + "and expected as " + format);
630 if (idformat.equals(format))
634 System.out.println("Protocol identified as " + protocol);
643 .println("File deemed not accessible via " + protocol);
648 } catch (Exception e)
652 System.err.println("File deemed not accessible via " + protocol);
660 public AlignmentFileReaderI getAlignFile()