bundles/org.simantics.team.ui/src/org/simantics/team/Utils.java

   1 package org.simantics.team;\r
   2 \r
   3 import java.io.File;\r
   4 import java.io.IOException;\r
   5 import java.nio.ByteBuffer;\r
   6 import java.nio.CharBuffer;\r
   7 import java.nio.charset.CharacterCodingException;\r
   8 import java.nio.charset.Charset;\r
   9 import java.nio.charset.CodingErrorAction;\r
  10 \r
  11 import org.eclipse.core.runtime.preferences.InstanceScope;\r
  12 import org.eclipse.jface.preference.IPreferenceStore;\r
  13 import org.eclipse.ui.preferences.ScopedPreferenceStore;\r
  14 import org.simantics.db.exception.DatabaseException;\r
  15 import org.simantics.team.ui.Preferences;\r
  16 \r
  17 public class Utils {\r
  18     public static final File getNewFolder(int index, String prefix, String suffix) {\r
  19         File toFolder;\r
  20         do {\r
  21             toFolder = new File(prefix + index + suffix);\r
  22         } while (toFolder.exists());\r
  23         return toFolder;\r
  24     }\r
  25     private static final Charset ASCII = Charset.forName("US-ASCII");\r
  26     protected static final Charset UTF8 = Charset.forName("UTF-8");\r
  27     public static final String bytesToStringASCII(byte[] bytes, int offset, int length)\r
  28     throws IOException {\r
  29         return bytesToString(bytes, offset, length, ASCII);\r
  30     }\r
  31     public static final String bytesToStringUTF8(byte[] bytes, int offset, int length)\r
  32     throws IOException {\r
  33         return bytesToString(bytes, offset, length, UTF8);\r
  34     }\r
  35     public static final String bytesToString(byte[] bytes, int offset, int length, Charset charset)\r
  36     throws IOException {\r
  37         if (bytes == null || offset < 0 || offset > length - 1 || length < 0 || length > bytes.length)\r
  38             return null;\r
  39         ByteBuffer bbuf = ByteBuffer.wrap(bytes, offset, length);\r
  40         CharBuffer cbuf;\r
  41         String s = null;\r
  42         try {\r
  43             cbuf =  charset.newDecoder().decode(bbuf);\r
  44             s = cbuf.toString();\r
  45         } catch (CharacterCodingException e) {\r
  46             bbuf.rewind();\r
  47             try {\r
  48                 cbuf = charset.newDecoder()\r
  49                 .onMalformedInput(CodingErrorAction.REPLACE)\r
  50                 .onUnmappableCharacter(CodingErrorAction.REPLACE)\r
  51                 .decode(bbuf);\r
  52                 s = cbuf.toString();\r
  53             } catch (CharacterCodingException e1) {\r
  54                 throw new IOException("String conversion error.", e1);\r
  55             }\r
  56         }\r
  57         return s;\r
  58     }\r
  59     public static final File getTeamFolder() \r
  60     throws DatabaseException {\r
  61         IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);\r
  62         String currentTeamFolder = store.getString(Preferences.CURRENT_TEAM_FOLDER);\r
  63         if (!currentTeamFolder.equals(""))\r
  64             return new File(currentTeamFolder);\r
  65         String name = System.getProperty("staging.team.folder");\r
  66         if (null != name && !name.equals(""))\r
  67             return new File(name);\r
  68         String folder = System.getProperty("java.io.tmpdir");\r
  69         if (null == folder || folder.equals(""))\r
  70             throw new DatabaseException("Could not get team folder path.");\r
  71         return null;\r
  72 //        IProduct product = Platform.getProduct();\r
  73 //        if (null != product)\r
  74 //            name = "Team " + product.getName();\r
  75 //        else\r
  76 //          name = "Default Team Folder";\r
  77 //        return new File(folder, name);\r
  78     }\r
  79     public static final void setTeamFolder(File teamFolder) \r
  80     throws DatabaseException {\r
  81         IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);\r
  82         if (null == teamFolder)\r
  83             store.setValue(Preferences.CURRENT_TEAM_FOLDER, "");\r
  84         else\r
  85             store.setValue(Preferences.CURRENT_TEAM_FOLDER, teamFolder.getAbsolutePath());\r
  86     }\r
  87 }\r