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Viewing changes to src/dk/aau/cs/verification/VerifyTAPN/VerifyTAPN.java

  • Committer: Kenneth Yrke Jørgensen
  • Date: 2011-04-12 09:50:16 UTC
  • mfrom: (329.1.188 tapaal-1.5)
  • Revision ID: mail@yrke.dk-20110412095016-e4hqdgab5596ja09
Merged with branch addning support for new 1.5 features

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src/dk/aau/cs/verification/VerifyTAPN/VerifyTAPN.java
 
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package dk.aau.cs.verification.VerifyTAPN;
 
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import java.io.BufferedReader;
 
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import java.io.File;
 
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import java.io.IOException;
 
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import java.io.StringReader;
 
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import pipe.dataLayer.TAPNQuery.TraceOption;
 
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import pipe.gui.FileFinder;
 
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import dk.aau.cs.Messenger;
 
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import dk.aau.cs.model.tapn.TAPNQuery;
 
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import dk.aau.cs.model.tapn.TimedArcPetriNet;
 
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import dk.aau.cs.model.tapn.simulation.TimedArcPetriNetTrace;
 
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import dk.aau.cs.util.Tuple;
 
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import dk.aau.cs.verification.ModelChecker;
 
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import dk.aau.cs.verification.NameMapping;
 
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import dk.aau.cs.verification.ProcessRunner;
 
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import dk.aau.cs.verification.QueryResult;
 
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import dk.aau.cs.verification.VerificationOptions;
 
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import dk.aau.cs.verification.VerificationResult;
 
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public class VerifyTAPN implements ModelChecker {
 
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        private static final String NEED_TO_LOCATE_VERIFYTAPN_MSG = "TAPAAL needs to know the location of the file verifytapn.\n\n"
 
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                + "Verifytapn is a part of the TAPAAL distribution and it is\n"
 
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                + "normally located in tapaal/verifytapn.";
 
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        private static String verifytapnpath = "";
 
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        private FileFinder fileFinder;
 
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        private Messenger messenger;
 
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        private ProcessRunner runner;
 
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        public VerifyTAPN(FileFinder fileFinder, Messenger messenger) {
 
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                this.fileFinder = fileFinder;
 
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                this.messenger = messenger;
 
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        }
 
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        public String getPath() {
 
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                return verifytapnpath;
 
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        }
 
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        public String getVersion() { // atm. any version of VerifyTAPN will do
 
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                return "";
 
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        }
 
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        public boolean isCorrectVersion() {// atm. any version of VerifyTAPN will do
 
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                return true;
 
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        }
 
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        public void kill() {
 
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                if (runner != null) {
 
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                        runner.kill();
 
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                }
 
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        }
 
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        public boolean setup() {
 
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                if (isNotSetup()) {
 
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                        messenger.displayInfoMessage(NEED_TO_LOCATE_VERIFYTAPN_MSG, "Locate VerifyTAPN");
 
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                        try {
 
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                                File file = fileFinder.ShowFileBrowserDialog("VerifyTAPN", "");
 
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                                verifytapnpath = file.getAbsolutePath();
 
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                        } catch (Exception e) {
 
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                                messenger.displayErrorMessage("There were errors performing the requested action:\n" + e, "Error");
 
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                        }
 
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                }
 
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                return !isNotSetup();
 
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        }
 
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        private boolean isNotSetup() {
 
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                return verifytapnpath == null || verifytapnpath.equals("");
 
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        }
 
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        public VerificationResult<TimedArcPetriNetTrace> verify(VerificationOptions options, Tuple<TimedArcPetriNet, NameMapping> model, TAPNQuery query) {     
 
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                VerifyTAPNExporter exporter = new VerifyTAPNExporter();
 
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                ExportedVerifyTAPNModel exportedModel = exporter.export(model.value1(), query);
 
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                if (exportedModel == null) {
 
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                        messenger.displayErrorMessage("There was an error exporting the model");
 
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                }
 
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                return verify(options, model, exportedModel);
 
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        }
 
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        private VerificationResult<TimedArcPetriNetTrace> verify(VerificationOptions options, Tuple<TimedArcPetriNet, NameMapping> model, ExportedVerifyTAPNModel exportedModel) {
 
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                ((VerifyTAPNOptions)options).setTokensInModel(model.value1().marking().size()); // TODO: get rid of me
 
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                runner = new ProcessRunner(verifytapnpath, createArgumentString(exportedModel.modelFile(), exportedModel.queryFile(), options));
 
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                runner.run();
 
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                if (runner.error()) {
 
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                        return null;
 
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                } else {
 
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                        String errorOutput = readOutput(runner.errorOutput());
 
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                        String standardOutput = readOutput(runner.standardOutput());
 
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                        QueryResult queryResult = parseQueryResult(standardOutput);
 
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                        if (queryResult == null) {
 
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                                return new VerificationResult<TimedArcPetriNetTrace>(errorOutput + System.getProperty("line.separator") + standardOutput);
 
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                        } else {
 
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                                TimedArcPetriNetTrace tapnTrace = parseTrace(errorOutput, options, model, exportedModel);
 
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                                return new VerificationResult<TimedArcPetriNetTrace>(queryResult, tapnTrace, runner.getRunningTime()); // TODO: return tapnTrace instead of null when done refactoring
 
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                        }
 
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                }
 
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        }
 
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        private TimedArcPetriNetTrace parseTrace(String output, VerificationOptions options, Tuple<TimedArcPetriNet, NameMapping> model, ExportedVerifyTAPNModel exportedModel) {
 
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                VerifyTAPNTraceParser traceParser = new VerifyTAPNTraceParser(model.value1());
 
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                TimedArcPetriNetTrace trace = traceParser.parseTrace(new BufferedReader(new StringReader(output)));
 
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                if (trace == null) {
 
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                        if (((VerifyTAPNOptions) options).trace() != TraceOption.NONE) {
 
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                                messenger.displayErrorMessage("VerifyTAPN could not generate the requested trace for the model. Try another trace option.");
 
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                        }
 
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                } 
 
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                return trace;
 
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        }
 
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        private String createArgumentString(String modelFile, String queryFile, VerificationOptions options) {
 
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                StringBuffer buffer = new StringBuffer(options.toString());
 
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                buffer.append(" ");
 
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                buffer.append(modelFile);
 
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                buffer.append(" ");
 
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                buffer.append(queryFile);
 
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                return buffer.toString();
 
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        }
 
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        private String readOutput(BufferedReader reader) {
 
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                try {
 
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                        if (!reader.ready())
 
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                                return "";
 
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                } catch (IOException e1) {
 
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                        return "";
 
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                }
 
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                StringBuffer buffer = new StringBuffer();
 
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                String line = null;
 
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                try {
 
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                        while ((line = reader.readLine()) != null) {
 
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                                buffer.append(line);
 
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                                buffer.append(System.getProperty("line.separator"));
 
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                        }
 
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                } catch (IOException e) {
 
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                }
 
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                return buffer.toString();
 
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        }
 
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        private QueryResult parseQueryResult(String output) {
 
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                VerifyTAPNOutputParser outputParser = new VerifyTAPNOutputParser();
 
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                QueryResult queryResult = outputParser.parseOutput(output);
 
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                return queryResult;
 
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        }
 
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}