3 * Copyright (c) 2006 The Regents of the University of California.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions, and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions, and the following
13 * disclaimer in the documentation and/or other materials provided
14 * with the distribution.
15 * 3. Redistributions must acknowledge that this software was
16 * originally developed by the UCSF Computer Graphics Laboratory
17 * under support by the NIH National Center for Research Resources,
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
27 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
29 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 package ext.edu.ucsf.rbvi.strucviz2;
35 import jalview.ws.HttpClientUtils;
37 import java.awt.Color;
38 import java.io.BufferedReader;
40 import java.io.IOException;
41 import java.io.InputStream;
42 import java.io.InputStreamReader;
43 import java.util.ArrayList;
44 import java.util.Collection;
45 import java.util.HashMap;
46 import java.util.List;
49 import org.apache.http.NameValuePair;
50 import org.apache.http.message.BasicNameValuePair;
51 import org.slf4j.Logger;
52 import org.slf4j.LoggerFactory;
54 import ext.edu.ucsf.rbvi.strucviz2.StructureManager.ModelType;
55 import ext.edu.ucsf.rbvi.strucviz2.port.ListenerThreads;
58 * This object maintains the Chimera communication information.
60 public class ChimeraManager
62 private static final int REST_REPLY_TIMEOUT_MS = 15000;
64 private static final int CONNECTION_TIMEOUT_MS = 100;
66 private static final boolean debug = false;
68 private int chimeraRestPort;
70 private Process chimera;
72 private ListenerThreads chimeraListenerThread;
74 private Map<Integer, ChimeraModel> currentModelsMap;
76 private Logger logger = LoggerFactory
77 .getLogger(ext.edu.ucsf.rbvi.strucviz2.ChimeraManager.class);
79 private StructureManager structureManager;
81 public ChimeraManager(StructureManager structureManager)
83 this.structureManager = structureManager;
85 chimeraListenerThread = null;
86 currentModelsMap = new HashMap<Integer, ChimeraModel>();
90 public List<ChimeraModel> getChimeraModels(String modelName)
92 List<ChimeraModel> models = getChimeraModels(modelName,
94 models.addAll(getChimeraModels(modelName, ModelType.SMILES));
98 public List<ChimeraModel> getChimeraModels(String modelName,
101 List<ChimeraModel> models = new ArrayList<ChimeraModel>();
102 for (ChimeraModel model : currentModelsMap.values())
104 if (modelName.equals(model.getModelName())
105 && modelType.equals(model.getModelType()))
113 public Map<String, List<ChimeraModel>> getChimeraModelsMap()
115 Map<String, List<ChimeraModel>> models = new HashMap<String, List<ChimeraModel>>();
116 for (ChimeraModel model : currentModelsMap.values())
118 String modelName = model.getModelName();
119 if (!models.containsKey(modelName))
121 models.put(modelName, new ArrayList<ChimeraModel>());
123 if (!models.get(modelName).contains(model))
125 models.get(modelName).add(model);
131 public ChimeraModel getChimeraModel(Integer modelNumber,
132 Integer subModelNumber)
134 Integer key = ChimUtils.makeModelKey(modelNumber, subModelNumber);
135 if (currentModelsMap.containsKey(key))
137 return currentModelsMap.get(key);
142 public ChimeraModel getChimeraModel()
144 return currentModelsMap.values().iterator().next();
147 public Collection<ChimeraModel> getChimeraModels()
149 // this method is invoked by the model navigator dialog
150 return currentModelsMap.values();
153 public int getChimeraModelsCount(boolean smiles)
155 // this method is invokes by the model navigator dialog
156 int counter = currentModelsMap.size();
162 for (ChimeraModel model : currentModelsMap.values())
164 if (model.getModelType() == ModelType.SMILES)
172 public boolean hasChimeraModel(Integer modelNubmer)
174 return hasChimeraModel(modelNubmer, 0);
177 public boolean hasChimeraModel(Integer modelNubmer, Integer subModelNumber)
179 return currentModelsMap.containsKey(ChimUtils.makeModelKey(modelNubmer,
183 public void addChimeraModel(Integer modelNumber, Integer subModelNumber,
186 currentModelsMap.put(
187 ChimUtils.makeModelKey(modelNumber, subModelNumber), model);
190 public void removeChimeraModel(Integer modelNumber, Integer subModelNumber)
192 int modelKey = ChimUtils.makeModelKey(modelNumber, subModelNumber);
193 if (currentModelsMap.containsKey(modelKey))
195 currentModelsMap.remove(modelKey);
199 public List<ChimeraModel> openModel(String modelPath, ModelType type)
201 return openModel(modelPath, getFileNameFromPath(modelPath), type);
205 * Overloaded method to allow Jalview to pass in a model name.
212 public List<ChimeraModel> openModel(String modelPath, String modelName,
215 logger.info("chimera open " + modelPath);
217 List<ChimeraModel> modelList = getModelList();
218 List<String> response = null;
219 // TODO: [Optional] Handle modbase models
220 if (type == ModelType.MODBASE_MODEL)
222 response = sendChimeraCommand("open modbase:" + modelPath, true);
223 // } else if (type == ModelType.SMILES) {
224 // response = sendChimeraCommand("open smiles:" + modelName, true);
225 // modelName = "smiles:" + modelName;
229 response = sendChimeraCommand("open " + modelPath, true);
231 if (response == null)
233 // something went wrong
234 logger.warn("Could not open " + modelPath);
238 // patch for Jalview - set model name in Chimera
239 // TODO: find a variant that works for sub-models
240 for (ChimeraModel newModel : getModelList())
242 if (!modelList.contains(newModel))
244 newModel.setModelName(modelName);
246 "setattr M name " + modelName + " #"
247 + newModel.getModelNumber(), false);
248 modelList.add(newModel);
252 // assign color and residues to open models
253 for (ChimeraModel chimeraModel : modelList)
256 Color modelColor = getModelColor(chimeraModel);
257 if (modelColor != null)
259 chimeraModel.setModelColor(modelColor);
262 // Get our properties (default color scheme, etc.)
263 // Make the molecule look decent
264 // chimeraSend("repr stick "+newModel.toSpec());
266 // Create the information we need for the navigator
267 if (type != ModelType.SMILES)
269 addResidues(chimeraModel);
273 sendChimeraCommand("focus", false);
274 // startListening(); // see ChimeraListener
279 * Refactored method to extract the last (or only) element delimited by file
285 private String getFileNameFromPath(String modelPath)
287 String modelName = modelPath;
288 if (modelPath == null)
292 // TODO: [Optional] Convert path to name in a better way
293 if (modelPath.lastIndexOf(File.separator) > 0)
295 modelName = modelPath
296 .substring(modelPath.lastIndexOf(File.separator) + 1);
298 else if (modelPath.lastIndexOf("/") > 0)
300 modelName = modelPath.substring(modelPath.lastIndexOf("/") + 1);
305 public void closeModel(ChimeraModel model)
307 // int model = structure.modelNumber();
308 // int subModel = structure.subModelNumber();
309 // Integer modelKey = makeModelKey(model, subModel);
311 logger.info("chimera close model " + model.getModelName());
312 if (currentModelsMap.containsKey(ChimUtils.makeModelKey(
313 model.getModelNumber(), model.getSubModelNumber())))
315 sendChimeraCommand("close " + model.toSpec(), false);
316 // currentModelNamesMap.remove(model.getModelName());
317 currentModelsMap.remove(ChimUtils.makeModelKey(
318 model.getModelNumber(), model.getSubModelNumber()));
319 // selectionList.remove(chimeraModel);
323 logger.warn("Could not find model " + model.getModelName()
329 public void startListening()
331 sendChimeraCommand("listen start models; listen start selection", false);
334 public void stopListening()
336 sendChimeraCommand("listen stop models ; listen stop selection ", false);
340 * Tell Chimera we are listening on the given URI
344 public void startListening(String uri)
346 sendChimeraCommand("listen start models url " + uri
347 + ";listen start select prefix SelectionChanged url " + uri,
352 * Select something in Chimera
355 * the selection command to pass to Chimera
357 public void select(String command)
359 sendChimeraCommand("listen stop selection; " + command
360 + "; listen start selection", false);
365 sendChimeraCommand("focus", false);
368 public void clearOnChimeraExit()
371 currentModelsMap.clear();
372 this.chimeraRestPort = 0;
373 structureManager.clearOnChimeraExit();
376 public void exitChimera()
378 if (isChimeraLaunched() && chimera != null)
380 sendChimeraCommand("stop really", false);
383 // TODO is this too violent? could it force close the process
384 // before it has done an orderly shutdown?
386 } catch (Exception ex)
391 clearOnChimeraExit();
394 public Map<Integer, ChimeraModel> getSelectedModels()
396 Map<Integer, ChimeraModel> selectedModelsMap = new HashMap<Integer, ChimeraModel>();
397 List<String> chimeraReply = sendChimeraCommand(
398 "list selection level molecule", true);
399 if (chimeraReply != null)
401 for (String modelLine : chimeraReply)
403 ChimeraModel chimeraModel = new ChimeraModel(modelLine);
404 Integer modelKey = ChimUtils.makeModelKey(
405 chimeraModel.getModelNumber(),
406 chimeraModel.getSubModelNumber());
407 selectedModelsMap.put(modelKey, chimeraModel);
410 return selectedModelsMap;
414 * Sends a 'list selection level residue' command to Chimera and returns the
415 * list of selected atomspecs
419 public List<String> getSelectedResidueSpecs()
421 List<String> selectedResidues = new ArrayList<String>();
422 List<String> chimeraReply = sendChimeraCommand(
423 "list selection level residue", true);
424 if (chimeraReply != null)
426 for (String inputLine : chimeraReply)
428 String[] inputLineParts = inputLine.split("\\s+");
429 if (inputLineParts.length == 5)
431 selectedResidues.add(inputLineParts[2]);
435 return selectedResidues;
438 public void getSelectedResidues(
439 Map<Integer, ChimeraModel> selectedModelsMap)
441 List<String> chimeraReply = sendChimeraCommand(
442 "list selection level residue", true);
443 if (chimeraReply != null)
445 for (String inputLine : chimeraReply)
447 ChimeraResidue r = new ChimeraResidue(inputLine);
448 Integer modelKey = ChimUtils.makeModelKey(r.getModelNumber(),
449 r.getSubModelNumber());
450 if (selectedModelsMap.containsKey(modelKey))
452 ChimeraModel model = selectedModelsMap.get(modelKey);
460 * Return the list of ChimeraModels currently open. Warning: if smiles model
461 * name too long, only part of it with "..." is printed.
464 * @return List of ChimeraModel's
466 // TODO: [Optional] Handle smiles names in a better way in Chimera?
467 public List<ChimeraModel> getModelList()
469 List<ChimeraModel> modelList = new ArrayList<ChimeraModel>();
470 List<String> list = sendChimeraCommand("list models type molecule",
474 for (String modelLine : list)
476 ChimeraModel chimeraModel = new ChimeraModel(modelLine);
477 modelList.add(chimeraModel);
484 * Return the list of depiction presets available from within Chimera. Chimera
485 * will return the list as a series of lines with the format: Preset type
486 * number "description"
488 * @return list of presets
490 public List<String> getPresets()
492 ArrayList<String> presetList = new ArrayList<String>();
493 List<String> output = sendChimeraCommand("preset list", true);
496 for (String preset : output)
498 preset = preset.substring(7); // Skip over the "Preset"
499 preset = preset.replaceFirst("\"", "(");
500 preset = preset.replaceFirst("\"", ")");
501 // string now looks like: type number (description)
502 presetList.add(preset);
508 public boolean isChimeraLaunched()
510 boolean launched = false;
516 // if we get here, process has ended
517 } catch (IllegalThreadStateException e)
519 // ok - not yet terminated
527 * Launch Chimera, unless an instance linked to this object is already
528 * running. Returns true if chimera is successfully launched, or already
529 * running, else false.
531 * @param chimeraPaths
534 public boolean launchChimera(List<String> chimeraPaths)
536 // Do nothing if Chimera is already launched
537 if (isChimeraLaunched())
542 // Try to launch Chimera (eventually using one of the possible paths)
543 String error = "Error message: ";
544 String workingPath = "";
545 // iterate over possible paths for starting Chimera
546 for (String chimeraPath : chimeraPaths)
548 File path = new File(chimeraPath);
549 // uncomment the next line to simulate Chimera not installed
550 // path = new File(chimeraPath + "x");
551 if (!path.canExecute())
553 error += "File '" + path + "' does not exist.\n";
558 List<String> args = new ArrayList<String>();
559 args.add(chimeraPath);
560 // shows Chimera output window but suppresses REST responses:
561 // args.add("--debug");
563 args.add("RESTServer");
564 ProcessBuilder pb = new ProcessBuilder(args);
565 chimera = pb.start();
567 workingPath = chimeraPath;
569 } catch (Exception e)
571 // Chimera could not be started
572 error += e.getMessage();
575 // If no error, then Chimera was launched successfully
576 if (error.length() == 0)
578 this.chimeraRestPort = getPortNumber();
579 System.out.println("Chimera REST API started on port "
581 // structureManager.initChimTable();
582 structureManager.setChimeraPathProperty(workingPath);
583 // TODO: [Optional] Check Chimera version and show a warning if below 1.8
584 // Ask Chimera to give us updates
585 // startListening(); // later - see ChimeraListener
586 return (chimeraRestPort > 0);
589 // Tell the user that Chimera could not be started because of an error
595 * Read and return the port number returned in the reply to --start RESTServer
597 private int getPortNumber()
600 InputStream readChan = chimera.getInputStream();
601 BufferedReader lineReader = new BufferedReader(new InputStreamReader(
603 StringBuilder responses = new StringBuilder();
606 String response = lineReader.readLine();
607 while (response != null)
609 responses.append("\n" + response);
610 // expect: REST server on host 127.0.0.1 port port_number
611 if (response.startsWith("REST server"))
613 String[] tokens = response.split(" ");
614 if (tokens.length == 7 && "port".equals(tokens[5]))
616 port = Integer.parseInt(tokens[6]);
620 response = lineReader.readLine();
622 } catch (Exception e)
624 logger.error("Failed to get REST port number from " + responses
625 + ": " + e.getMessage());
631 } catch (IOException e2)
638 .println("Failed to start Chimera with REST service, response was: "
641 logger.info("Chimera REST service listening on port " + chimeraRestPort);
646 * Determine the color that Chimera is using for this model.
649 * the ChimeraModel we want to get the Color for
650 * @return the default model Color for this model in Chimera
652 public Color getModelColor(ChimeraModel model)
654 List<String> colorLines = sendChimeraCommand(
655 "list model spec " + model.toSpec() + " attribute color", true);
656 if (colorLines == null || colorLines.size() == 0)
660 return ChimUtils.parseModelColor(colorLines.get(0));
665 * Get information about the residues associated with a model. This uses the
666 * Chimera listr command. We don't return the resulting residues, but we add
667 * the residues to the model.
670 * the ChimeraModel to get residue information for
673 public void addResidues(ChimeraModel model)
675 int modelNumber = model.getModelNumber();
676 int subModelNumber = model.getSubModelNumber();
677 // Get the list -- it will be in the reply log
678 List<String> reply = sendChimeraCommand(
679 "list residues spec " + model.toSpec(), true);
684 for (String inputLine : reply)
686 ChimeraResidue r = new ChimeraResidue(inputLine);
687 if (r.getModelNumber() == modelNumber
688 || r.getSubModelNumber() == subModelNumber)
695 public List<String> getAttrList()
697 List<String> attributes = new ArrayList<String>();
698 final List<String> reply = sendChimeraCommand("list resattr", true);
701 for (String inputLine : reply)
703 String[] lineParts = inputLine.split("\\s");
704 if (lineParts.length == 2 && lineParts[0].equals("resattr"))
706 attributes.add(lineParts[1]);
713 public Map<ChimeraResidue, Object> getAttrValues(String aCommand,
716 Map<ChimeraResidue, Object> values = new HashMap<ChimeraResidue, Object>();
717 final List<String> reply = sendChimeraCommand("list residue spec "
718 + model.toSpec() + " attribute " + aCommand, true);
721 for (String inputLine : reply)
723 String[] lineParts = inputLine.split("\\s");
724 if (lineParts.length == 5)
726 ChimeraResidue residue = ChimUtils
727 .getResidue(lineParts[2], model);
728 String value = lineParts[4];
731 if (value.equals("None"))
735 if (value.equals("True") || value.equals("False"))
737 values.put(residue, Boolean.valueOf(value));
742 Double doubleValue = Double.valueOf(value);
743 values.put(residue, doubleValue);
744 } catch (NumberFormatException ex)
746 values.put(residue, value);
755 private volatile boolean busy = false;
758 * Send a command to Chimera.
761 * Command string to be send.
763 * Flag indicating whether the method should return the reply from
765 * @return List of Strings corresponding to the lines in the Chimera reply or
768 public List<String> sendChimeraCommand(String command, boolean reply)
770 // System.out.println("chimeradebug>> " + command);
771 if (!isChimeraLaunched() || command == null
772 || "".equals(command.trim()))
776 // TODO do we need a maximum wait time before aborting?
782 } catch (InterruptedException q)
787 long startTime = System.currentTimeMillis();
790 return sendRestCommand(command);
794 * Make sure busy flag is reset come what may!
799 System.out.println("Chimera command took "
800 + (System.currentTimeMillis() - startTime) + "ms: "
808 * Sends the command to Chimera's REST API, and returns any response lines.
813 protected List<String> sendRestCommand(String command)
815 String restUrl = "http://127.0.0.1:" + this.chimeraRestPort + "/run";
816 List<NameValuePair> commands = new ArrayList<NameValuePair>(1);
817 commands.add(new BasicNameValuePair("command", command));
819 List<String> reply = new ArrayList<String>();
820 BufferedReader response = null;
823 response = HttpClientUtils.doHttpUrlPost(restUrl, commands, CONNECTION_TIMEOUT_MS,
824 REST_REPLY_TIMEOUT_MS);
826 while ((line = response.readLine()) != null)
830 } catch (Exception e)
832 logger.error("REST call '" + command + "' failed: " + e.getMessage());
835 if (response != null)
840 } catch (IOException e)
849 * Send a command to stdin of Chimera process, and optionally read any
856 protected List<String> sendStdinCommand(String command, boolean readReply)
858 chimeraListenerThread.clearResponse(command);
859 String text = command.concat("\n");
863 chimera.getOutputStream().write(text.getBytes());
864 chimera.getOutputStream().flush();
865 } catch (IOException e)
867 // logger.info("Unable to execute command: " + text);
868 // logger.info("Exiting...");
869 logger.warn("Unable to execute command: " + text);
870 logger.warn("Exiting...");
871 clearOnChimeraExit();
878 List<String> rsp = chimeraListenerThread.getResponse(command);
882 public StructureManager getStructureManager()
884 return structureManager;
887 public boolean isBusy()
892 public Process getChimeraProcess()