bundles/org.simantics.scl.db/src/org/simantics/scl/db/SCLScriptRunnerApplication.java

   1 package org.simantics.scl.db;
   2
   3 import java.io.BufferedReader;
   4 import java.io.IOException;
   5 import java.io.InputStreamReader;
   6
   7 import org.eclipse.core.runtime.IProgressMonitor;
   8 import org.eclipse.core.runtime.NullProgressMonitor;
   9 import org.eclipse.equinox.app.IApplication;
  10 import org.eclipse.equinox.app.IApplicationContext;
  11 import org.simantics.Simantics;
  12 import org.simantics.application.arguments.Arguments;
  13 import org.simantics.application.arguments.IArgumentFactory;
  14 import org.simantics.application.arguments.IArguments;
  15 import org.simantics.application.arguments.SimanticsArguments;
  16 import org.simantics.scl.compiler.commands.CommandSession;
  17 import org.simantics.scl.osgi.SCLOsgi;
  18 import org.simantics.scl.runtime.reporting.SCLReportingHandler;
  19
  20 public class SCLScriptRunnerApplication implements IApplication {
  21
  22         @Override
  23         public Object start(IApplicationContext context) throws Exception {
  24                 try {
  25             String[] args = (String[])context.getArguments().get("application.args");
  26             IProgressMonitor progress = new NullProgressMonitor();
  27             Simantics.startUpHeadless(parseArguments(args), progress);
  28             runSCLFromStdin();
  29             Simantics.shutdown(progress);
  30             return IApplication.EXIT_OK;
  31         } catch(Throwable t) {
  32             t.printStackTrace();
  33             throw (Exception)t;
  34         } finally {
  35             System.exit(0);
  36         }
  37         }
  38
  39         private void runSCLFromStdin() throws Exception {
  40                 BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
  41                 CommandSession commandSession = new CommandSession(SCLOsgi.MODULE_REPOSITORY,
  42                         SCLReportingHandler.DEFAULT_WITHOUT_ECHO);
  43                 try {
  44                         while(true) {
  45                                 String line = input.readLine();
  46                                 if(line == null)
  47                                         break;
  48                                 if(line.isEmpty())
  49                                         continue;
  50                                 commandSession.execute(line);
  51                         }
  52                 } catch(IOException e) {
  53                         e.printStackTrace();
  54                 }
  55         }
  56
  57         private IArguments parseArguments(String[] args) {
  58                 IArgumentFactory<?>[] accepted = {
  59                                 SimanticsArguments.RECOVERY_POLICY_FIX_ERRORS,
  60                                 SimanticsArguments.ONTOLOGY_RECOVERY_POLICY_REINSTALL,
  61                                 SimanticsArguments.SERVER,
  62                                 SimanticsArguments.LOCAL_SERVER_PORT,
  63                 };
  64                 IArguments result = Arguments.parse(args, accepted);
  65                 return result;
  66         }
  67
  68         @Override
  69         public void stop() {
  70         }
  71
  72 }