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| package photospace.vfs; |
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| |
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| import java.util.*; |
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| import org.apache.commons.logging.*; |
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| import photospace.meta.*; |
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| import photospace.search.*; |
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| import photospace.vfs.event.*; |
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| |
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| public class ChangeHandler |
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| implements FileEventListener |
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| { |
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| private static final Log log = LogFactory.getLog(ChangeHandler.class); |
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| |
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| private Persister persister; |
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| private Indexer indexer; |
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| |
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0
| public void handleFileEvent(FileEvent event)
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| { |
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0
| try
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| { |
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0
| if (log.isDebugEnabled()) log.debug("Handling file system event " + event);
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0
| if (FileEvent.CREATED.equals(event.getType()))
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| { |
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0
| indexer.index(Arrays.asList(new Meta[] { persister.getMeta(event.getSource()) }), false);
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| } |
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0
| else if (FileEvent.DELETED.equals(event.getType()))
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| { |
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0
| Meta meta = new Meta();
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0
| meta.setPath(persister.getPath(event.getSource()));
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| indexer.delete(Arrays.asList(new Meta[] { meta }));
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| } |
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0
| else if (FileEvent.UPDATED.equals(event.getType()))
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| { |
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0
| if (event.getSource().isDirectory())
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| { |
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| if (log.isDebugEnabled()) log.debug("Ignoring directory event " + event);
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| } |
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| else |
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| { |
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0
| indexer.merge(Arrays.asList(new Meta[] { persister.getMeta(event.getSource()) }));
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| } |
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| } |
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| else |
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| { |
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0
| throw new IllegalStateException("Don't know what to do with event " + event);
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| } |
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| } |
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| catch (Exception e) |
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| { |
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0
| throw new RuntimeException("Error handling file event " + event, e);
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| } |
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| } |
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| |
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0
| public void setPersister(Persister persister)
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| { |
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0
| this.persister = persister;
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| } |
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| |
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0
| public void setIndexer(Indexer indexer)
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| { |
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0
| this.indexer = indexer;
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| } |
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| } |
