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

   1 package org.simantics;
   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.application.arguments.Arguments;
  12 import org.simantics.application.arguments.IArgumentFactory;
  13 import org.simantics.application.arguments.IArguments;
  14 import org.simantics.application.arguments.SimanticsArguments;
  15 import org.simantics.scl.compiler.commands.CommandSession;
  16 import org.simantics.scl.osgi.SCLOsgi;
  17 import org.simantics.scl.runtime.reporting.SCLReportingHandler;
  18
  19 public class SCLScriptRunnerApplication implements IApplication {
  20
  21         @Override
  22         public Object start(IApplicationContext context) throws Exception {
  23                 try {
  24             String[] args = (String[])context.getArguments().get("application.args");
  25             IProgressMonitor progress = new NullProgressMonitor();
  26             Simantics.startUpHeadless(parseArguments(args), progress);
  27             runSCLFromStdin();
  28             Simantics.shutdown(progress);
  29             return IApplication.EXIT_OK;
  30         } catch(Throwable t) {
  31             t.printStackTrace();
  32             throw (Exception)t;
  33         } finally {
  34             System.exit(0);
  35         }
  36         }
  37
  38         private void runSCLFromStdin() throws Exception {
  39                 BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
  40                 CommandSession commandSession = new CommandSession(SCLOsgi.MODULE_REPOSITORY,
  41                         SCLReportingHandler.DEFAULT_WITHOUT_ECHO);
  42                 try {
  43                         while(true) {
  44                                 String line = input.readLine();
  45                                 if(line == null)
  46                                         break;
  47                                 if(line.isEmpty())
  48                                         continue;
  49                                 commandSession.execute(line);
  50                         }
  51                 } catch(IOException e) {
  52                         e.printStackTrace();
  53                 }
  54         }
  55
  56         private IArguments parseArguments(String[] args) {
  57                 IArgumentFactory<?>[] accepted = {
  58                                 SimanticsArguments.RECOVERY_POLICY_FIX_ERRORS,
  59                                 SimanticsArguments.ONTOLOGY_RECOVERY_POLICY_REINSTALL,
  60                                 SimanticsArguments.SERVER,
  61                                 SimanticsArguments.LOCAL_SERVER_PORT,
  62                                 SimanticsArguments.DISABLE_INDEX,
  63                                 SimanticsArguments.DATABASE_ID,
  64                 };
  65                 IArguments result = Arguments.parse(args, accepted);
  66                 return result;
  67         }
  68
  69         @Override
  70         public void stop() {
  71         }
  72
  73 }