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

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