bundles/org.simantics.document.server/src/org/simantics/document/server/request/NodeRequestUtils.java

   1 package org.simantics.document.server.request;\r
   2 \r
   3 import java.io.ByteArrayOutputStream;\r
   4 import java.io.PrintStream;\r
   5 import java.io.UnsupportedEncodingException;\r
   6 \r
   7 import org.simantics.db.layer0.exception.MissingVariableException;\r
   8 import org.simantics.db.layer0.scl.SCLDatabaseException;\r
   9 import org.simantics.document.server.DocumentException;\r
  10 import org.simantics.scl.compiler.module.repository.ImportFailure;\r
  11 import org.simantics.scl.compiler.module.repository.ImportFailureException;\r
  12 import org.simantics.scl.compiler.top.NotFoundException;\r
  13 import org.slf4j.Logger;\r
  14 import org.slf4j.LoggerFactory;\r
  15 \r
  16 public class NodeRequestUtils {\r
  17     private static final Logger LOGGER = LoggerFactory.getLogger(NodeRequestUtils.class);\r
  18 \r
  19         public static String formatErrorMessage(String name, Throwable t) {\r
  20                 \r
  21                 while(t.getCause() != null)\r
  22             t = t.getCause();\r
  23                 \r
  24                 if (t instanceof DocumentException) {\r
  25                         return t.getMessage();\r
  26                 } else if (t instanceof MissingVariableException) {\r
  27                         return "Evaluation of property '" + name + "' failed\n" +\r
  28                                         t.getMessage();\r
  29                 } else if (t instanceof SCLDatabaseException) {\r
  30                         return t.getMessage();\r
  31                 } else if (t instanceof NotFoundException) {\r
  32                         return t.getMessage();\r
  33                 } else if (t instanceof ImportFailureException) {\r
  34                         ImportFailureException e = (ImportFailureException)t;\r
  35                         StringBuilder sb = new StringBuilder();\r
  36                         sb.append("The following SCL modules failed to compile:\n");\r
  37                         for(ImportFailure f : e.failures)\r
  38                                 sb.append(" " + f.moduleName + "\n");\r
  39                         return sb.toString();\r
  40                 } else {\r
  41                     LOGGER.error("Node request error:", t);\r
  42                     \r
  43                         ByteArrayOutputStream baos = new ByteArrayOutputStream();\r
  44                         PrintStream ps = new PrintStream(baos);\r
  45                         t.printStackTrace(ps);\r
  46                         try {\r
  47                                 return baos.toString("UTF-8");\r
  48                         } catch (UnsupportedEncodingException e) {\r
  49                                 return baos.toString();\r
  50                         }\r
  51                         \r
  52                 }\r
  53         }\r
  54         \r
  55 }\r