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 java.util.StringTokenizer;
24 import java.util.Vector;
26 import javax.swing.JOptionPane;
27 import javax.swing.SwingUtilities;
29 import jalview.api.ComplexAlignFile;
30 import jalview.datamodel.AlignmentI;
31 import jalview.datamodel.ColumnSelection;
32 import jalview.datamodel.PDBEntry;
33 import jalview.datamodel.SequenceI;
34 import jalview.gui.AlignFrame;
35 import jalview.gui.AlignViewport;
36 import jalview.gui.Desktop;
37 import jalview.gui.Jalview2XML;
38 import jalview.schemes.ColourSchemeI;
39 import jalview.structure.StructureSelectionManager;
40 import jalview.util.MessageManager;
42 public class FileLoader implements Runnable
50 FileParse source = null; // alternative specification of where data comes
54 AlignViewport viewport;
56 AlignFrame alignFrame;
62 boolean raiseGUI = true;
65 * default constructor always raised errors in GUI dialog boxes
73 * construct a Fileloader that may raise errors non-interactively
76 * true if errors are to be raised as GUI dialog boxes
78 public FileLoader(boolean raiseGUI)
80 this.raiseGUI = raiseGUI;
83 public void LoadFile(AlignViewport viewport, String file,
84 String protocol, String format)
86 this.viewport = viewport;
87 LoadFile(file, protocol, format);
90 public void LoadFile(String file, String protocol, String format)
93 this.protocol = protocol;
96 final Thread loader = new Thread(this);
98 SwingUtilities.invokeLater(new Runnable()
108 * Load a (file, protocol) source of unknown type
113 public void LoadFile(String file, String protocol)
115 LoadFile(file, protocol, null);
119 * Load alignment from (file, protocol) and wait till loaded
123 * @return alignFrame constructed from file contents
125 public AlignFrame LoadFileWaitTillLoaded(String file, String protocol)
127 return LoadFileWaitTillLoaded(file, protocol, null);
131 * Load alignment from (file, protocol) of type format and wait till loaded
136 * @return alignFrame constructed from file contents
138 public AlignFrame LoadFileWaitTillLoaded(String file, String protocol,
142 this.protocol = protocol;
143 this.format = format;
144 return _LoadFileWaitTillLoaded();
148 * Load alignment from FileParse source of type format and wait till loaded
152 * @return alignFrame constructed from file contents
154 public AlignFrame LoadFileWaitTillLoaded(FileParse source, String format)
156 this.source = source;
158 file = source.getInFile();
159 protocol = source.type;
160 this.format = format;
161 return _LoadFileWaitTillLoaded();
165 * start thread and wait until finished, then return the alignFrame that's
166 * (hopefully) been read.
170 protected AlignFrame _LoadFileWaitTillLoaded()
172 Thread loader = new Thread(this);
175 while (loader.isAlive())
180 } catch (Exception ex)
188 public void updateRecentlyOpened()
190 Vector recent = new Vector();
191 if (protocol.equals(FormatAdapter.PASTE))
193 // do nothing if the file was pasted in as text... there is no filename to
197 String type = protocol.equals(FormatAdapter.FILE) ? "RECENT_FILE"
200 String historyItems = jalview.bin.Cache.getProperty(type);
204 if (historyItems != null)
206 st = new StringTokenizer(historyItems, "\t");
208 while (st.hasMoreTokens())
210 recent.addElement(st.nextElement().toString().trim());
214 if (recent.contains(file))
219 StringBuffer newHistory = new StringBuffer(file);
220 for (int i = 0; i < recent.size() && i < 10; i++)
222 newHistory.append("\t");
223 newHistory.append(recent.elementAt(i));
226 jalview.bin.Cache.setProperty(type, newHistory.toString());
228 if (protocol.equals(FormatAdapter.FILE))
230 jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT", format);
236 String title = protocol.equals(AppletFormatAdapter.PASTE) ? "Copied From Clipboard"
238 Runtime rt = Runtime.getRuntime();
241 if (Desktop.instance != null)
243 Desktop.instance.startLoading(file);
247 // just in case the caller didn't identify the file for us
250 format = new IdentifyFile().Identify(source, false); // identify
257 format = new IdentifyFile().Identify(file, protocol);
260 // TODO: cache any stream datasources as a temporary file (eg. PDBs
261 // retrieved via URL)
262 if (Desktop.desktop != null && Desktop.desktop.isShowMemoryUsage())
265 memused = (rt.maxMemory() - rt.totalMemory() + rt.freeMemory()); // free
270 loadtime = -System.currentTimeMillis();
271 AlignmentI al = null;
273 if (format.equalsIgnoreCase("Jalview"))
277 // Tell the user (developer?) that this is going to cause a problem
279 .println("IMPLEMENTATION ERROR: Cannot read consecutive Jalview XML projects from a stream.");
280 // We read the data anyway - it might make sense.
282 alignFrame = new Jalview2XML(raiseGUI).loadJalviewAlign(file);
286 String error = AppletFormatAdapter.SUPPORTED_FORMATS;
287 if (FormatAdapter.isValidFormat(format))
293 // read from the provided source
294 al = new FormatAdapter().readFromFile(source, format);
299 // open a new source and read from it
300 FormatAdapter fa = new FormatAdapter();
301 al = fa.readFile(file, protocol, format);
302 source = fa.getAlignFile(); // keep reference for later if necessary.
304 } catch (java.io.IOException ex)
306 error = ex.getMessage();
311 if (format != null && format.length() > 7)
313 // ad hoc message in format.
314 error = format + "\n" + error;
318 if ((al != null) && (al.getHeight() > 0))
320 for (SequenceI sq : al.getSequences())
322 while (sq.getDatasetSequence() != null)
324 sq = sq.getDatasetSequence();
326 if (sq.getPDBId() != null)
328 for (PDBEntry pdbe : sq.getPDBId())
330 StructureSelectionManager.getStructureSelectionManager(
331 Desktop.instance).registerPDBEntry(pdbe);
335 if (viewport != null)
337 viewport.addAlignment(al, title);
341 // otherwise construct the alignFrame
343 if (source instanceof ComplexAlignFile)
345 ColumnSelection colSel = ((ComplexAlignFile) source)
346 .getColumnSelection();
347 SequenceI[] hiddenSeqs = ((ComplexAlignFile) source)
348 .getHiddenSequences();
349 boolean showSeqFeatures = ((ComplexAlignFile) source)
350 .isShowSeqFeatures();
351 ColourSchemeI cs = ((ComplexAlignFile) source)
353 alignFrame = new AlignFrame(al, hiddenSeqs, colSel,
354 AlignFrame.DEFAULT_WIDTH,
355 AlignFrame.DEFAULT_HEIGHT);
357 alignFrame.getViewport().setShowSequenceFeatures(
359 alignFrame.changeColour(cs);
363 alignFrame = new AlignFrame(al, AlignFrame.DEFAULT_WIDTH,
364 AlignFrame.DEFAULT_HEIGHT);
367 // add metadata and update ui
368 if (!protocol.equals(AppletFormatAdapter.PASTE))
370 alignFrame.setFileName(file, format);
373 alignFrame.statusBar.setText(MessageManager.formatMessage(
374 "label.successfully_loaded_file", new String[]
379 // add the window to the GUI
380 // note - this actually should happen regardless of raiseGUI
381 // status in Jalview 3
382 // TODO: define 'virtual desktop' for benefit of headless scripts
383 // that perform queries to find the 'current working alignment'
384 Desktop.addInternalFrame(alignFrame, title,
385 AlignFrame.DEFAULT_WIDTH, AlignFrame.DEFAULT_HEIGHT);
390 alignFrame.setMaximum(jalview.bin.Cache.getDefault(
391 "SHOW_FULLSCREEN", false));
392 } catch (java.beans.PropertyVetoException ex)
398 if (Desktop.instance != null)
400 Desktop.instance.stopLoading();
403 final String errorMessage = "Couldn't load file " + title + "\n"
407 javax.swing.SwingUtilities.invokeLater(new Runnable()
411 JOptionPane.showInternalMessageDialog(Desktop.desktop,
412 errorMessage, MessageManager
413 .getString("label.error_loading_file"),
414 JOptionPane.WARNING_MESSAGE);
420 System.err.println(errorMessage);
425 updateRecentlyOpened();
427 } catch (Exception er)
429 System.err.println("Exception whilst opening file '" + file);
430 er.printStackTrace();
433 javax.swing.SwingUtilities.invokeLater(new Runnable()
437 javax.swing.JOptionPane.showInternalMessageDialog(
438 Desktop.desktop, MessageManager.formatMessage(
439 "label.problems_opening_file", new String[]
440 { file }), MessageManager
441 .getString("label.file_open_error"),
442 javax.swing.JOptionPane.WARNING_MESSAGE);
447 } catch (OutOfMemoryError er)
450 er.printStackTrace();
454 javax.swing.SwingUtilities.invokeLater(new Runnable()
458 javax.swing.JOptionPane
459 .showInternalMessageDialog(
461 MessageManager.formatMessage("warn.out_of_memory_loading_file", new String[]{file}),
462 MessageManager.getString("label.out_of_memory"),
463 javax.swing.JOptionPane.WARNING_MESSAGE);
467 System.err.println("Out of memory loading file " + file + "!!");
470 loadtime += System.currentTimeMillis();
471 // TODO: Estimate percentage of memory used by a newly loaded alignment -
472 // warn if more memory will be needed to work with it
475 - (rt.maxMemory() - rt.totalMemory() + rt.freeMemory()); // difference
480 if (Desktop.desktop != null && Desktop.desktop.isShowMemoryUsage())
482 if (alignFrame != null)
484 AlignmentI al = alignFrame.getViewport().getAlignment();
486 System.out.println("Loaded '" + title + "' in "
487 + (loadtime / 1000.0) + "s, took an additional "
488 + (1.0 * memused / (1024.0 * 1024.0)) + " MB ("
489 + al.getHeight() + " seqs by " + al.getWidth() + " cols)");
493 // report that we didn't load anything probably due to an out of memory
495 System.out.println("Failed to load '" + title + "' in "
496 + (loadtime / 1000.0) + "s, took an additional "
497 + (1.0 * memused / (1024.0 * 1024.0))
498 + " MB (alignment is null)");
501 // remove the visual delay indicator
502 if (Desktop.instance != null)
504 Desktop.instance.stopLoading();
512 * @see java.lang.Object#finalize()
514 protected void finalize() throws Throwable