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

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