git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/preset/xml/OpenRocketComponentLoader.java

   1 package net.sf.openrocket.preset.xml;
   2
   3 import java.io.BufferedInputStream;
   4 import java.io.InputStream;
   5 import java.io.InputStreamReader;
   6 import java.util.Collection;
   7 import java.util.List;
   8
   9 import javax.xml.bind.JAXBException;
  10
  11 import net.sf.openrocket.file.Loader;
  12 import net.sf.openrocket.logging.LogHelper;
  13 import net.sf.openrocket.preset.ComponentPreset;
  14 import net.sf.openrocket.preset.InvalidComponentPresetException;
  15 import net.sf.openrocket.startup.Application;
  16 import net.sf.openrocket.util.BugException;
  17
  18 public class OpenRocketComponentLoader  implements Loader<ComponentPreset> {
  19
  20         private static final LogHelper log = Application.getLogger();
  21
  22         @Override
  23         public Collection<ComponentPreset> load(InputStream stream,     String filename) {
  24
  25                 log.debug("Loading presets from file " + filename);
  26
  27                 if ( ! (stream instanceof BufferedInputStream) ) {
  28                         stream = new BufferedInputStream(stream);
  29                 }
  30
  31                 try {
  32                         List<ComponentPreset> presets;
  33                         presets = (new OpenRocketComponentSaver().unmarshalFromOpenRocketComponent( new InputStreamReader (stream))).asComponentPresets();
  34                         log.debug("ComponentPreset file " + filename + " contained " + presets.size() + " presets");
  35                         return presets;
  36                 } catch (JAXBException e) {
  37                         throw new BugException("Unable to parse file: "+ filename, e);
  38                 } catch (InvalidComponentPresetException e) {
  39                         throw new BugException("Unable to parse file: "+ filename, e);
  40                 }
  41
  42         }
  43
  44 }