misc/tools/NexuizDemoRecorder/main/src/main/java/com/nexuiz/demorecorder/application/DemoRecorderUtils.java

   1 package com.nexuiz.demorecorder.application;\r
   2 \r
   3 import java.io.File;\r
   4 import java.io.IOException;\r
   5 \r
   6 import org.jdesktop.swingx.JXErrorPane;\r
   7 import org.jdesktop.swingx.error.ErrorInfo;\r
   8 \r
   9 public class DemoRecorderUtils {\r
  10         \r
  11         public static void showNonCriticalErrorDialog(Throwable e) {\r
  12                 if (!(e instanceof DemoRecorderException)) {\r
  13                         e = new DemoRecorderException("Internal error", e);\r
  14                 }\r
  15                 ErrorInfo info = new ErrorInfo("Error occurred", e.getMessage(), null, null, e, null, null);\r
  16                 JXErrorPane.showDialog(null, info);\r
  17         }\r
  18         \r
  19         /**\r
  20          * Shows an error dialog that contains the stack trace, catching the exception so that the program flow\r
  21          * won't be interrupted.\r
  22          * This method will maybe wrap e in a DemoRecorderException with the given message.\r
  23          * @param customMessage\r
  24          * @param e\r
  25          * @param wrapException set to true if Exception should be wrapped into a DemoRecorderException\r
  26          */\r
  27         public static void showNonCriticalErrorDialog(String customMessage, Throwable e, boolean wrapException) {\r
  28                 Throwable ex = e;\r
  29                 if (wrapException && !(e instanceof DemoRecorderException)) {\r
  30                         ex = new DemoRecorderException(customMessage, e);\r
  31                 }\r
  32                 \r
  33                 ErrorInfo info = new ErrorInfo("Error occurred", ex.getMessage(), null, null, ex, null, null);\r
  34                 JXErrorPane.showDialog(null, info);\r
  35         }\r
  36         \r
  37         public static File computeLocalFile(String subDir, String fileName) {\r
  38                 String path = System.getProperty("user.dir");\r
  39                 if (subDir != null && !subDir.equals("")) {\r
  40                         path += File.separator + subDir;\r
  41                 }\r
  42                 path += File.separator + fileName;\r
  43                 return new File(path);\r
  44         }\r
  45         \r
  46         /**\r
  47          * Returns just the name of the file for a given File. E.g. if the File points to\r
  48          * /home/someuser/somedir/somefile.end the function will return "somefile.end"\r
  49          * @param file\r
  50          * @return just the name of the file\r
  51          */\r
  52         public static String getJustFileNameOfPath(File file) {\r
  53                 String fileString = file.getAbsolutePath();\r
  54                 int lastIndex = fileString.lastIndexOf(File.separator);\r
  55                 String newString = fileString.substring(lastIndex+1, fileString.length());\r
  56                 return newString;\r
  57         }\r
  58         \r
  59         /**\r
  60          * Attempts to create an empty file (unless it already exists), including the creation\r
  61          * of parent directories. If it succeeds to do so (or if the file already existed), true\r
  62          * will be returned. Otherwise false will be returned\r
  63          * @param file the file to be created\r
  64          * @return true if file already existed or could successfully created, false otherwise\r
  65          */\r
  66         public static boolean attemptFileCreation(File file) {\r
  67                 if (!file.exists()) {\r
  68                         try {\r
  69                                 file.createNewFile();\r
  70                                 return true;\r
  71                         } catch (IOException e) {\r
  72                                 File parentDir = file.getParentFile();\r
  73                                 if (!parentDir.exists()) {\r
  74                                         try {\r
  75                                                 if (parentDir.mkdirs() == true) {\r
  76                                                         try {\r
  77                                                                 file.createNewFile();\r
  78                                                                 return true;\r
  79                                                         } catch (Exception ex) {}\r
  80                                                 }\r
  81                                         } catch (Exception ex) {}\r
  82                                 }\r
  83                                 return false;\r
  84                         }\r
  85                 } else {\r
  86                         return true;\r
  87                 }\r
  88         }\r
  89         \r
  90         public static final String getFileExtension(File file) {\r
  91                 String fileName = file.getAbsolutePath();\r
  92                 String ext = (fileName.lastIndexOf(".") == -1) ? "" : fileName.substring(fileName.lastIndexOf(".") + 1,fileName.length());\r
  93                 return ext;\r
  94         }\r
  95 }\r