Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/wsplgen/WSPLGENCallable.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children af13ceeba52a
rev   line source
5863
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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Sascha L. Teichmann <teichmann@intevation.de>
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.wsplgen;
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10
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11 import org.dive4elements.artifacts.CallContext;
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12 import org.dive4elements.river.artifacts.model.map.WSPLGENJob;
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13
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14 import java.io.File;
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15 import java.io.IOException;
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16 import java.util.concurrent.Callable;
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17
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18 import org.apache.log4j.Logger;
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19
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20
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21 /**
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22 * A Callable that is used to start and observe an external Process for WSPLGEN.
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23 *
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24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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25 */
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26 public class WSPLGENCallable implements Callable {
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27
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28 public static final String WSPLGEN_PARAMETER_FILE =
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29 "wsplgen.par";
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30
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31 public static final String WSPLGEN_BIN_PATH =
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32 System.getProperty("wsplgen.bin.path");
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33
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34
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35 private Logger logger = Logger.getLogger(WSPLGENCallable.class);
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36
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37 private Process process;
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38
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39 protected Scheduler scheduler;
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40
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41 protected WSPLGENJob job;
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42
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43 protected JobObserver logObserver;
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44 protected ProblemObserver errorObserver;
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45
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46
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47 public WSPLGENCallable(Scheduler scheduler, WSPLGENJob job) {
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48 this.scheduler = scheduler;
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49 this.job = job;
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50 this.logObserver = new JobObserver(job);
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51 this.errorObserver = new ProblemObserver(job);
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52 }
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53
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54
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55 @Override
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56 public WSPLGENJob call() {
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57 File dir = job.getWorkingDir();
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58 File parameter = new File(dir, WSPLGEN_PARAMETER_FILE);
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59
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60 String[] args = new String[] {
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61 WSPLGEN_BIN_PATH,
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62 "-PAR=\"" + parameter.getAbsolutePath() + "\""
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63 };
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64
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65 execute(args, dir);
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66
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67 return job;
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68 }
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69
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70
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71 protected void execute(String[] args, File dir) {
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72 logger.info("Start JobExecutor for artifact: " + dir.getName());
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73
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74 try {
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75 synchronized (this) {
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76 process = Runtime.getRuntime().exec(args, null, dir);
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77
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78 logObserver.setInputStream(process.getInputStream());
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79 errorObserver.setInputStream(process.getErrorStream());
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80
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81 logObserver.start();
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82 errorObserver.start();
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83
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84 try {
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85 process.waitFor();
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86 }
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87 catch (InterruptedException ie) {
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88 logger.warn("WSPLGEN job interrupted: " + ie.getMessage());
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89 }
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90
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91 try {
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92 logObserver.join();
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93 errorObserver.join();
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94 }
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95 catch (InterruptedException iee) { /* do nothing */ }
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96
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97 logger.info("WSPLGEN exit value: " + process.exitValue());
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98 logger.info(
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99 "WSPLGEN throw " +
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100 errorObserver.numErrors() + " errors.");
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101 logger.info(
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102 "WSPLGEN throw " +
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103 errorObserver.numWarnings() + " warnings.");
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104
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105 if (process.exitValue() < 2 && errorObserver.numErrors() == 0) {
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106 FacetCreator fc = job.getFacetCreator();
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107 fc.createWSPLGENFacet();
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108 fc.finish();
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109 }
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110
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111 job.getCallContext().afterBackground(CallContext.STORE);
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112
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113 scheduler.removeJob(getJob().getArtifact().identifier());
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114
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115 return;
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116 }
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117 }
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118 catch (SecurityException se) {
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119 logger.error(se);
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120 }
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121 catch (IOException ioe) {
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122 logger.error(ioe);
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123 }
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124 catch (NullPointerException npe) {
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125 logger.error(npe, npe);
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126 }
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127 catch (IndexOutOfBoundsException ioobe) {
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128 logger.error(ioobe, ioobe);
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129 }
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130 }
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131
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132
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133 public void cancelWSPLGEN() {
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134 if (process != null) {
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135 logger.debug("Cancel running WSPLGEN process.");
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136 process.destroy();
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137 }
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138 }
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139
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140
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141 public WSPLGENJob getJob() {
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142 return job;
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143 }
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144 }
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145 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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