webservices/compbio/ws/client/Jws2Client.java

   1 /* Copyright (c) 2011 Peter Troshin\r
   2  *  \r
   3  *  JAva Bioinformatics Analysis Web Services (JABAWS) @version: 2.0     \r
   4  * \r
   5  *  This library is free software; you can redistribute it and/or modify it under the terms of the\r
   6  *  Apache License version 2 as published by the Apache Software Foundation\r
   7  * \r
   8  *  This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without\r
   9  *  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Apache \r
  10  *  License for more details.\r
  11  * \r
  12  *  A copy of the license is in apache_license.txt. It is also available here:\r
  13  * @see: http://www.apache.org/licenses/LICENSE-2.0.txt\r
  14  * \r
  15  * Any republication or derived work distributed in source code form\r
  16  * must include this copyright and license notice.\r
  17  */\r
  18 \r
  19 package compbio.ws.client;\r
  20 \r
  21 import static compbio.ws.client.Constraints.inputkey;\r
  22 import static compbio.ws.client.Constraints.outputkey;\r
  23 import static compbio.ws.client.Constraints.paramFile;\r
  24 \r
  25 import java.io.Closeable;\r
  26 import java.io.File;\r
  27 import java.io.FileInputStream;\r
  28 import java.io.IOException;\r
  29 import java.io.PrintWriter;\r
  30 import java.io.Writer;\r
  31 import java.net.ConnectException;\r
  32 import java.net.MalformedURLException;\r
  33 import java.net.URL;\r
  34 import java.util.Arrays;\r
  35 import java.util.Collections;\r
  36 import java.util.List;\r
  37 import java.util.Set;\r
  38 import java.util.logging.Level;\r
  39 import java.util.logging.Logger;\r
  40 \r
  41 import javax.xml.namespace.QName;\r
  42 import javax.xml.ws.Service;\r
  43 import javax.xml.ws.WebServiceException;\r
  44 \r
  45 import compbio.data.msa.JABAService;\r
  46 import compbio.data.msa.FoldWS;\r
  47 import compbio.data.msa.Metadata;\r
  48 import compbio.data.msa.MsaWS;\r
  49 import compbio.data.msa.RegistryWS;\r
  50 import compbio.data.msa.SequenceAnnotation;\r
  51 import compbio.data.sequence.Alignment;\r
  52 import compbio.data.sequence.FastaSequence;\r
  53 import compbio.data.sequence.RNAStruct;\r
  54 import compbio.data.sequence.ScoreManager;\r
  55 import compbio.data.sequence.ClustalAlignmentUtil;\r
  56 import compbio.data.sequence.SequenceUtil;\r
  57 import compbio.data.sequence.UnknownFileFormatException;\r
  58 import compbio.metadata.JobSubmissionException;\r
  59 import compbio.metadata.Option;\r
  60 import compbio.metadata.Preset;\r
  61 import compbio.metadata.ResultNotAvailableException;\r
  62 import compbio.metadata.WrongParameterException;\r
  63 import compbio.util.FileUtil;\r
  64 \r
  65 /**\r
  66  * A command line client for JAva Bioinformatics Analysis Web Services\r
  67  * \r
  68  * @author pvtroshin\r
  69  * @version 1.0\r
  70  */\r
  71 public class Jws2Client {\r
  72 \r
  73         /*\r
  74          * Use java.util.Logger instead of log4j logger to reduce the size of the\r
  75          * client package\r
  76          */\r
  77         private static final Logger log = Logger.getLogger(Jws2Client.class\r
  78                         .getCanonicalName());\r
  79 \r
  80         /**\r
  81          * Attempt to construct the URL object from the string\r
  82          * \r
  83          * @param urlstr\r
  84          * @return true if it succeed false otherwise\r
  85          */\r
  86         public static boolean validURL(String urlstr) {\r
  87                 try {\r
  88                         if (urlstr == null || urlstr.trim().length() == 0) {\r
  89                                 return false;\r
  90                         }\r
  91                         new URL(urlstr);\r
  92                 } catch (MalformedURLException e) {\r
  93                         return false;\r
  94                 }\r
  95                 return true;\r
  96         }\r
  97 \r
  98         /**\r
  99          * Connects to the service and do the job as requested, if something goes\r
 100          * wrong reports or/and prints usage help.\r
 101          * \r
 102          * @param <T>\r
 103          *            web service type\r
 104          * @param cmd\r
 105          *            command line options\r
 106          * @throws IOException\r
 107          */\r
 108         <T> Jws2Client(String[] cmd) throws IOException {\r
 109                 \r
 110 \r
 111                 String hostname = CmdHelper.getHost(cmd);\r
 112                 if (hostname == null) {\r
 113                         System.err.println("Host name is not provided!");\r
 114                         printUsage(1);\r
 115                 }\r
 116 \r
 117                 if (!validURL(hostname)) {\r
 118                         System.err.println("Host name is not valid!");\r
 119                         printUsage(1);\r
 120                 }\r
 121                 // Just list available services and quit\r
 122                 boolean listServices = CmdHelper.listServices(cmd);\r
 123                 if (listServices) {\r
 124                         listServices(hostname);\r
 125                         System.exit(0);\r
 126                 }\r
 127 \r
 128                 String serviceName = CmdHelper.getServiceName(cmd);\r
 129                 if (serviceName == null) {\r
 130                         System.err.println("Service name is no provided!");\r
 131                         printUsage(1);\r
 132                 }\r
 133                 Services service = Services.getService(serviceName);\r
 134                 if (service == null) {\r
 135                         System.err.println("Service " + serviceName\r
 136                                         + " is no recognized! Valid values are: "\r
 137                                         + Arrays.toString(Services.values()));\r
 138                         printUsage(1);\r
 139                 }\r
 140                 // Test service and quit\r
 141                 boolean testService = CmdHelper.testService(cmd);\r
 142                 if (testService) {\r
 143                         testService(hostname, service, new PrintWriter(System.out, true));\r
 144                         System.exit(0);\r
 145                 }\r
 146 \r
 147                 File inputFile = IOHelper.getFile(cmd, inputkey, true);\r
 148                 File outFile = IOHelper.getFile(cmd, outputkey, false);\r
 149                 File parametersFile = IOHelper.getFile(cmd, paramFile, true);\r
 150                 String presetName = CmdHelper.getPresetName(cmd);\r
 151 \r
 152                 Metadata<T> msaws = (Metadata<T>) connect(hostname, service);\r
 153                 Preset<T> preset = null;\r
 154                 if (presetName != null) {\r
 155                         preset = MetadataHelper.getPreset(msaws, presetName);\r
 156                 }\r
 157                 List<Option<T>> customOptions = null;\r
 158                 if (parametersFile != null) {\r
 159                         List<String> prms = IOHelper.loadParameters(parametersFile);\r
 160                         customOptions = MetadataHelper.processParameters(prms,\r
 161                                         msaws.getRunnerOptions());\r
 162                 }\r
 163 //              System.out.println("The Options read from the command line: " + customOptions);\r
 164                 \r
 165                 Alignment alignment = null;\r
 166                 if (inputFile != null) {\r
 167                         Writer writer = null;\r
 168                         if (outFile != null) {\r
 169                                 writer = IOHelper.getWriter(outFile);\r
 170                         } else {\r
 171                                 // this stream is going to be closed later which is fine as\r
 172                                 // std.out will not be\r
 173                                 writer = new PrintWriter(System.out, true);\r
 174                         }\r
 175                         if (service.getServiceType() == SequenceAnnotation.class) {\r
 176                                 ScoreManager result = analize(inputFile,\r
 177                                                 ((SequenceAnnotation<T>) msaws), preset, customOptions);\r
 178 \r
 179                                 System.out.println(result\.asRNAStruct().toString());\r
 180                                 IOHelper.writeOut(writer, result);\r
 181                         } else if (service.getServiceType() == MsaWS.class) {\r
 182                                 alignment = align(inputFile, (MsaWS<T>) msaws, preset,\r
 183                                                 customOptions);\r
 184                                 IOHelper.writeOut(writer, alignment);\r
 185                         }\r
 186                         writer.close();\r
 187                 }\r
 188 \r
 189                 boolean listParameters = CmdHelper.listParameters(cmd);\r
 190                 if (listParameters) {\r
 191                         System.out.println(MetadataHelper.getParametersList(msaws));\r
 192                 }\r
 193                 boolean listPreset = CmdHelper.listPresets(cmd);\r
 194                 if (listPreset) {\r
 195                         System.out.println(MetadataHelper.getPresetList(msaws));\r
 196                 }\r
 197                 boolean listLimits = CmdHelper.listLimits(cmd);\r
 198                 if (listLimits) {\r
 199                         System.out.println(MetadataHelper.getLimits(msaws));\r
 200                 }\r
 201                 log.fine("Disconnecting...");\r
 202                 ((Closeable) msaws).close();\r
 203                 log.fine("Disconnected successfully!");\r
 204         }\r
 205 \r
 206         /**\r
 207          * Asks registry to test the service on the host hostname\r
 208          * \r
 209          * @param hostname\r
 210          * @param service\r
 211          * @param writer\r
 212          * @throws ConnectException\r
 213          * @throws WebServiceException\r
 214          */\r
 215         public static void testService(String hostname, Services service,\r
 216                         PrintWriter writer) throws ConnectException, WebServiceException {\r
 217                 RegistryWS registry = connectToRegistry(hostname);\r
 218                 if (registry != null) {\r
 219                         String message = registry.testService(service);\r
 220                         writer.println("Service " + service + " testing results: ");\r
 221                         writer.println(message);\r
 222                         FileUtil.closeSilently(((Closeable) registry));\r
 223                 }\r
 224                 writer.flush();\r
 225         }\r
 226 \r
 227         public static Set<Services> getServices(String hostname)\r
 228                         throws WebServiceException, ConnectException {\r
 229                 RegistryWS registry = connectToRegistry(hostname);\r
 230                 Set<Services> services = Collections.EMPTY_SET;\r
 231                 if (registry != null) {\r
 232                         services = registry.getSupportedServices();\r
 233                         FileUtil.closeSilently(((Closeable) registry));\r
 234                 }\r
 235                 return services;\r
 236         }\r
 237 \r
 238         private static void listServices(String hostname)\r
 239                         throws WebServiceException, IOException {\r
 240                 Set<Services> services = Jws2Client.getServices(hostname);\r
 241                 if (!services.isEmpty()) {\r
 242                         System.out.println("Supported services are: "\r
 243                                         + Services.toString(services));\r
 244                 } else {\r
 245                         System.out.println("Failed to connect to the registry! ");\r
 246                 }\r
 247         }\r
 248 \r
 249         /**\r
 250          * Calculate conservation for sequences loaded from the file\r
 251          * \r
 252          * @param wsproxy\r
 253          *            a web service proxy\r
 254          * @param file\r
 255          *            the file to read the results from\r
 256          * @param preset\r
 257          *            Preset to use optional\r
 258          * @param customOptions\r
 259          *            the list of options\r
 260          * @return Set<Score> the conservation scores\r
 261          * @throws UnknownFileFormatException\r
 262          */\r
 263         static <T> ScoreManager analize(List<FastaSequence> fastalist,\r
 264                         SequenceAnnotation<T> wsproxy, Preset<T> preset,\r
 265                         List<Option<T>> customOptions) {\r
 266 \r
 267                 ScoreManager scores = null;\r
 268                 try {\r
 269                         String jobId = null;\r
 270                         if (customOptions != null && preset != null) {\r
 271                                 System.out\r
 272                                                 .println("WARN: Parameters (-f) are defined together with a preset (-r) ignoring preset!");\r
 273                         }\r
 274                         if (customOptions != null) {\r
 275                                 jobId = wsproxy.customAnalize(fastalist, customOptions);\r
 276                         } else if (preset != null) {\r
 277                                 jobId = wsproxy.presetAnalize(fastalist, preset);\r
 278                         } else {\r
 279                                 jobId = wsproxy.analize(fastalist);\r
 280                         }\r
 281                         System.out.println("\n\ncalling analise.........");\r
 282                         Thread.sleep(1000);\r
 283                         scores = wsproxy.getAnnotation(jobId);\r
 284 \r
 285                 } catch (JobSubmissionException e) {\r
 286                         System.err\r
 287                                         .println("Exception while submitting job to a web server. "\r
 288                                                         + "Exception details are below:");\r
 289                         e.printStackTrace();\r
 290                 } catch (ResultNotAvailableException e) {\r
 291                         System.err.println("Exception while waiting for results. "\r
 292                                         + "Exception details are below:");\r
 293                         e.printStackTrace();\r
 294                 } catch (InterruptedException e) {\r
 295                         // ignore and propagate an interruption\r
 296                         Thread.currentThread().interrupt();\r
 297                         System.err.println("Exception while waiting for results. "\r
 298                                         + "Exception details are below:");\r
 299                         e.printStackTrace();\r
 300                 } catch (WrongParameterException e) {\r
 301                         System.err\r
 302                                         .println("Exception while parsing the web method input parameters. "\r
 303                                                         + "Exception details are below:");\r
 304                         e.printStackTrace();\r
 305                 }\r
 306                 return scores;\r
 307 \r
 308         }\r
 309 \r
 310         /**\r
 311          * Calculate conservation for sequences loaded from the file\r
 312          * \r
 313          * @param wsproxy\r
 314          *            a web service proxy\r
 315          * @param file\r
 316          *            the file to read the results from\r
 317          * @param preset\r
 318          *            Preset to use optional\r
 319          * @param customOptions\r
 320          *            the list of options\r
 321          * @return Set<Score> the conservation scores\r
 322          * @throws IOException\r
 323          * @throws UnknownFileFormatException\r
 324          */\r
 325         static <T> ScoreManager analize(File file, SequenceAnnotation<T> wsproxy,\r
 326                         Preset<T> preset, List<Option<T>> customOptions) {\r
 327                 List<FastaSequence> fastalist = null;\r
 328                 try {\r
 329                         fastalist = SequenceUtil.openInputStream(file.getAbsolutePath());\r
 330                         assert !fastalist.isEmpty() : "Input is empty!";\r
 331                 } catch (IOException e) {\r
 332                         System.err\r
 333                                         .println("Exception while reading the input file. "\r
 334                                                         + "Check that the input file contains a list of fasta formatted sequences! "\r
 335                                                         + "Exception details are below:");\r
 336                         e.printStackTrace();\r
 337                 } catch (UnknownFileFormatException e) {\r
 338                         System.err\r
 339                                         .println("Exception while attempting to read the input file "\r
 340                                                         + "Exception details are below:");\r
 341                         System.out.println(e.getMessage());\r
 342                         e.printStackTrace();\r
 343                 }\r
 344                 return analize(fastalist, wsproxy, preset, customOptions);\r
 345         }\r
 346         /**\r
 347          * Connects to a web service by the host and the service name web service\r
 348          * type\r
 349          * \r
 350          * @param host\r
 351          *            the fully qualified name of JABAWS server including JABAWS\r
 352          *            context name e.g\r
 353          *            http://nanna.cluster.lifesci.dundee.ac.uk:8080/jaba\r
 354          * @param service\r
 355          *            the name of the JABAWS service to connect to\r
 356          * @return JABAService<T>\r
 357          * @throws WebServiceException\r
 358          * @throws ConnectException\r
 359          *             if fails to connect to the service on the host\r
 360          */\r
 361         public static JABAService connect(String host, Services service)\r
 362                         throws WebServiceException, ConnectException {\r
 363                 URL url = null;\r
 364                 log.log(Level.FINE, "Attempting to connect...");\r
 365                 try {\r
 366                         url = new URL(host + "/" + service.toString() + "?wsdl");\r
 367                 } catch (MalformedURLException e) {\r
 368                         e.printStackTrace();\r
 369                         // ignore as the host name is already verified\r
 370                 }\r
 371                 Service serv = null;\r
 372                 try {\r
 373                         serv = service.getService(url, JABAService.SERVICE_NAMESPACE);\r
 374                 } catch (WebServiceException wse) {\r
 375                         System.out.println("Connecting to JABAWS version 2 service");\r
 376                         if (isV2service(wse)) {\r
 377                                 serv = service\r
 378                                                 .getService(url, JABAService.V2_SERVICE_NAMESPACE);\r
 379                         }\r
 380                 }\r
 381                 if (serv == null) {\r
 382                         throw new ConnectException("Could not connect to " + url\r
 383                                         + " the server is down?");\r
 384                 }\r
 385                 JABAService serviceIF = service.getInterface(serv);\r
 386                 log.log(Level.INFO, "Connected successfully!");\r
 387 \r
 388                 return serviceIF;\r
 389         }\r
 390 \r
 391         static boolean isV2service(WebServiceException wse) {\r
 392                 String message = wse.getMessage();\r
 393                 int idx = message.indexOf("not a valid service");\r
 394                 if (idx > 0) {\r
 395                         if (message.substring(idx).contains(\r
 396                                         JABAService.V2_SERVICE_NAMESPACE)) {\r
 397                                 return true;\r
 398                         }\r
 399                 }\r
 400                 return false;\r
 401         }\r
 402 \r
 403         /**\r
 404          * Get a connection of JABAWS registry\r
 405          * \r
 406          * @param host\r
 407          *            the fully qualified name of JABAWS server including JABAWS\r
 408          *            context name e.g\r
 409          *            http://nanna.cluster.lifesci.dundee.ac.uk:8080/jaba\r
 410          * @return compbio.data.msa.RegistryWS - instance of a RegistryWS web\r
 411          *         service\r
 412          * @throws WebServiceException\r
 413          * @throws ConnectException\r
 414          */\r
 415         public static compbio.data.msa.RegistryWS connectToRegistry(String host)\r
 416                         throws WebServiceException, ConnectException {\r
 417                 URL url = null;\r
 418                 String service = "RegistryWS";\r
 419                 log.log(Level.FINE, "Attempting to connect...");\r
 420 \r
 421                 try {\r
 422                         url = new URL(host + "/" + service + "?wsdl");\r
 423                 } catch (MalformedURLException e) {\r
 424                         e.printStackTrace();\r
 425                         // ignore as the host name is already verified\r
 426                 }\r
 427                 QName qname = new QName(JABAService.V2_SERVICE_NAMESPACE, service);\r
 428                 Service serv = Service.create(url, qname);\r
 429 \r
 430                 if (serv == null) {\r
 431                         throw new ConnectException("Could not connect to " + url\r
 432                                         + " the server is down?");\r
 433                 }\r
 434 \r
 435                 QName portName = new QName(serv.getServiceName().getNamespaceURI(),\r
 436                                 service + "Port");\r
 437                 compbio.data.msa.RegistryWS serviceIF = serv.getPort(portName,\r
 438                                 compbio.data.msa.RegistryWS.class);\r
 439 \r
 440                 log.log(Level.INFO, "Connected to " + service + " successfully!");\r
 441 \r
 442                 return serviceIF;\r
 443         }\r
 444 \r
 445         /**\r
 446          * Align sequences from the file using MsaWS\r
 447          * \r
 448          * @param <T>\r
 449          *            web service type e.g. Clustal\r
 450          * @param file\r
 451          *            to write the resulting alignment to\r
 452          * @param msaws\r
 453          *            MsaWS required\r
 454          * @param preset\r
 455          *            Preset to use optional\r
 456          * @param customOptions\r
 457          *            file which contains new line separated list of options\r
 458          * @return Alignment\r
 459          */\r
 460         static <T> Alignment align(File file, MsaWS<T> msaws, Preset<T> preset,\r
 461                         List<Option<T>> customOptions) {\r
 462                 FileInputStream instream = null;\r
 463                 List<FastaSequence> fastalist = null;\r
 464                 Alignment alignment = null;\r
 465                 try {\r
 466                         instream = new FileInputStream(file);\r
 467                         fastalist = SequenceUtil.readFasta(instream);\r
 468                         instream.close();\r
 469                         String jobId = null;\r
 470                         if (customOptions != null && preset != null) {\r
 471                                 System.out\r
 472                                                 .println("WARN: Parameters (-f) are defined together with a preset (-r) ignoring preset!");\r
 473                         }\r
 474                         if (customOptions != null) {\r
 475                                 jobId = msaws.customAlign(fastalist, customOptions);\r
 476                         } else if (preset != null) {\r
 477                                 jobId = msaws.presetAlign(fastalist, preset);\r
 478                         } else {\r
 479                                 jobId = msaws.align(fastalist);\r
 480                         }\r
 481                         System.out.println("\n\ncalling align.........");\r
 482                         Thread.sleep(1000);\r
 483                         alignment = msaws.getResult(jobId);\r
 484 \r
 485                 } catch (IOException e) {\r
 486                         System.err\r
 487                                         .println("Exception while reading the input file. "\r
 488                                                         + "Check that the input file contains a list of fasta formatted sequences! "\r
 489                                                         + "Exception details are below:");\r
 490                         e.printStackTrace();\r
 491                 } catch (JobSubmissionException e) {\r
 492                         System.err\r
 493                                         .println("Exception while submitting job to a web server. "\r
 494                                                         + "Exception details are below:");\r
 495                         e.printStackTrace();\r
 496                 } catch (ResultNotAvailableException e) {\r
 497                         System.err.println("Exception while waiting for results. "\r
 498                                         + "Exception details are below:");\r
 499                         e.printStackTrace();\r
 500                 } catch (InterruptedException ignored) {\r
 501                         // ignore and propagate an interruption\r
 502                         Thread.currentThread().interrupt();\r
 503                 } catch (WrongParameterException e) {\r
 504                         e.printStackTrace();\r
 505                 } finally {\r
 506                         if (instream != null) {\r
 507                                 try {\r
 508                                         instream.close();\r
 509                                 } catch (IOException ignored) {\r
 510                                         // ignore\r
 511                                 }\r
 512                         }\r
 513                 }\r
 514                 return alignment;\r
 515         }\r
 516         \r
 517         /**\r
 518          * Return RNA secondary structure from a file using FoldWS\r
 519          * \r
 520          * @param <T>\r
 521          *            web service type e.g. Clustal\r
 522          * @param file\r
 523          *            to read the results from\r
 524          * @param foldws\r
 525          *            FoldWS required\r
 526          * @param preset\r
 527          *            Preset to use optional\r
 528          * @param customOptions\r
 529          *            file which contains new line separated list of options\r
 530          * @return String\r
 531          */\r
 532         \r
 533         static <T> String fold(File file, FoldWS<T> foldws, Preset<T> preset,\r
 534                         List<Option<T>> customOptions) {\r
 535                 FileInputStream instream = null;\r
 536                 Alignment alignment = null;\r
 537                 String rnastruct = null;\r
 538                 try {\r
 539                         instream = new FileInputStream(file);\r
 540                         alignment = ClustalAlignmentUtil.readClustalFile(instream);\r
 541                         instream.close();\r
 542                         String jobId = null;\r
 543                         if (customOptions != null && preset != null) {\r
 544                                 System.out.println("WARN: Parameters (-f) are defined together"\r
 545                                                 + "with a preset (-r), ignoring preset! ");\r
 546                         }\r
 547                         if (customOptions != null) {\r
 548                                 jobId = foldws.customFold(alignment, customOptions);\r
 549                         } else if (preset != null) {\r
 550                                 jobId = foldws.presetFold(alignment, preset);\r
 551                         } else {\r
 552                                 jobId = foldws.fold(alignment);\r
 553                         }\r
 554                         System.out.println("\n\ncalling fold.........");\r
 555                         Thread.sleep(1000);\r
 556                         rnastruct = foldws.getResult(jobId);\r
 557                                 \r
 558                 } catch (IOException e) {\r
 559                         System.err.println("Exception while reading the input file. Exception details: ");\r
 560                         e.printStackTrace();\r
 561                 } catch (UnknownFileFormatException e) {\r
 562                         System.err.println("Exception while reading input file. Doesnt look like a Clustal format file");\r
 563                         e.printStackTrace();\r
 564                 } catch (JobSubmissionException e) {\r
 565                         System.err.println("Exception while submitting job to the web server. ");\r
 566                         e.printStackTrace();\r
 567                 } catch (ResultNotAvailableException e) {\r
 568                         System.err.println("Exception while waiting for results. Exception details: ");\r
 569                         e.printStackTrace();\r
 570                 } catch (InterruptedException ignored) {\r
 571                         // ignore and propagate an interruption\r
 572                         Thread.currentThread().interrupt();\r
 573                 } catch (WrongParameterException e) {\r
 574                         e.printStackTrace();\r
 575                 } finally {\r
 576                         if (instream != null) {\r
 577                                 try {\r
 578                                         instream.close();\r
 579                                 } catch (IOException ignored) {\r
 580                                         // ignore\r
 581                                 }\r
 582                         }\r
 583                 }\r
 584                 return rnastruct;\r
 585         }\r
 586                 \r
 587         /**\r
 588          * Prints Jws2Client usage information to standard out\r
 589          * \r
 590          * @param exitStatus\r
 591          */\r
 592         static void printUsage(int exitStatus) {\r
 593                 System.out.println(Constraints.help_text);\r
 594                 System.exit(exitStatus);\r
 595         }\r
 596 \r
 597         /**\r
 598          * Starts command line client, if no parameter are supported print help. Two\r
 599          * parameters are required for successful call the JWS2 host name and a\r
 600          * service name.\r
 601          * \r
 602          * @param args\r
 603          *            Usage: <Class or Jar file name> -h=host_and_context\r
 604          *            -s=serviceName ACTION [OPTIONS]\r
 605          * \r
 606          *            -h=<host_and_context> - a full URL to the JWS2 web server\r
 607          *            including context path e.g. http://10.31.1.159:8080/ws\r
 608          * \r
 609          *            -s=<ServiceName> - one of [MafftWS, MuscleWS, ClustalWS,\r
 610          *            TcoffeeWS, ProbconsWS] ACTIONS:\r
 611          * \r
 612          *            -i=<inputFile> - full path to fasta formatted sequence file,\r
 613          *            from which to align sequences\r
 614          * \r
 615          *            -parameters - lists parameters supported by web service\r
 616          * \r
 617          *            -presets - lists presets supported by web service\r
 618          * \r
 619          *            -limits - lists web services limits Please note that if input\r
 620          *            file is specified other actions are ignored\r
 621          * \r
 622          *            OPTIONS: (only for use with -i action):\r
 623          * \r
 624          *            -r=<presetName> - name of the preset to use\r
 625          * \r
 626          *            -o=<outputFile> - full path to the file where to write an\r
 627          *            alignment -f=<parameterInputFile> - the name of the file with\r
 628          *            the list of parameters to use. Please note that -r and -f\r
 629          *            options cannot be used together. Alignment is done with either\r
 630          *            preset or a parameters from the file, but not both!\r
 631          * \r
 632          */\r
 633         public static void main(String[] args) {\r
 634 \r
 635                 if (args == null) {\r
 636                         printUsage(1);\r
 637                 }\r
 638                 if (args.length < 2) {\r
 639                         System.err.println("Host and service names are required!");\r
 640                         printUsage(1);\r
 641                 }\r
 642 \r
 643                 try {\r
 644                         new Jws2Client(args);\r
 645                 } catch (IOException e) {\r
 646                         log.log(Level.SEVERE, "IOException in client! " + e.getMessage(),\r
 647                                         e.getCause());\r
 648                         System.err.println("Cannot write output file! Stack trace: ");\r
 649                         e.printStackTrace();\r
 650                 }\r
 651         }\r
 652 }\r