forester/java/src/org/forester/archaeopteryx/ImageLoader.java

   1 // $Id:
   2 // forester -- software libraries and applications
   3 // for genomics and evolutionary biology research.
   4 //
   5 // Copyright (C) 2010 Christian M Zmasek
   6 // Copyright (C) 2010 Sanford-Burnham Medical Research Institute
   7 // All rights reserved
   8 //
   9 // This library is free software; you can redistribute it and/or
  10 // modify it under the terms of the GNU Lesser General Public
  11 // License as published by the Free Software Foundation; either
  12 // version 2.1 of the License, or (at your option) any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17 // Lesser General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU Lesser General Public
  20 // License along with this library; if not, write to the Free Software
  21 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  22 //
  23 // Contact: phylosoft @ gmail . com
  24 // WWW: www.phylosoft.org/forester
  25
  26 package org.forester.archaeopteryx;
  27
  28 import java.awt.image.BufferedImage;
  29 import java.io.IOException;
  30 import java.net.MalformedURLException;
  31 import java.util.ArrayList;
  32 import java.util.Hashtable;
  33 import java.util.List;
  34
  35 import javax.imageio.ImageIO;
  36
  37 import org.forester.phylogeny.PhylogenyNode;
  38 import org.forester.phylogeny.data.Taxonomy;
  39 import org.forester.phylogeny.data.Uri;
  40 import org.forester.phylogeny.iterators.PhylogenyNodeIterator;
  41
  42 public class ImageLoader implements Runnable {
  43
  44     private final TreePanel            _tp;
  45     private static final BufferedImage PLACEHOLDER = new BufferedImage( 1, 1, BufferedImage.TYPE_INT_RGB );
  46
  47     public ImageLoader( final TreePanel tp ) {
  48         _tp = tp;
  49     }
  50
  51     private void load() {
  52         Hashtable<String, BufferedImage> image_map = null;
  53         if ( _tp.getImageMap() != null ) {
  54             image_map = _tp.getImageMap();
  55         }
  56         else {
  57             image_map = new Hashtable<String, BufferedImage>();
  58             _tp.setImageMap( image_map );
  59         }
  60         // ImageIO.setUseCache( false );
  61         for( final PhylogenyNodeIterator it = _tp.getPhylogeny().iteratorPreorder(); it.hasNext(); ) {
  62             final PhylogenyNode node = it.next();
  63             if ( node.getNodeData().isHasTaxonomy() && ( node.getNodeData().getTaxonomy().getUris() != null )
  64                     && !node.getNodeData().getTaxonomy().getUris().isEmpty() ) {
  65                 final List<Uri> us = new ArrayList<Uri>();
  66                 for( final Taxonomy t : node.getNodeData().getTaxonomies() ) {
  67                     for( final Uri uri : t.getUris() ) {
  68                         us.add( uri );
  69                     }
  70                 }
  71                 for( final Uri uri : us ) {
  72                     if ( uri != null ) {
  73                         final String type = uri.getType().toLowerCase();
  74                         final String uri_str = uri.getValue().toString().toLowerCase();
  75                         if ( ( !image_map.containsKey( uri_str ) )
  76                                 && ( type.equals( "image" ) || type.equals( "img" ) || type.equals( "photo" )
  77                                         || type.equals( "picture" ) || uri_str.endsWith( ".jpg" )
  78                                         || uri_str.endsWith( ".jpeg" ) || uri_str.endsWith( ".png" )
  79                                         || uri_str.endsWith( ".gif" ) || uri_str.endsWith( ".bmp" ) ) ) {
  80                             image_map.put( uri_str, PLACEHOLDER );
  81                             BufferedImage bi = null;
  82                             if ( !Constants.__RELEASE && !Constants.__SNAPSHOT_RELEASE ) {
  83                                 System.out.println( "accessing:" + uri );
  84                             }
  85                             try {
  86                                 bi = ImageIO.read( uri.getValue().toURL() );
  87                             }
  88                             catch ( final MalformedURLException e ) {
  89                                 Util.printWarningMessage( Constants.PRG_NAME, "\"" + uri.getValue()
  90                                         + "\": Malformed URL Exception: " + e.getLocalizedMessage() );
  91                             }
  92                             catch ( final IOException e ) {
  93                                 Util.printWarningMessage( Constants.PRG_NAME, "\"" + uri.getValue()
  94                                         + "\": IO Exception: " + e.getLocalizedMessage() );
  95                             }
  96                             if ( bi != null ) {
  97                                 image_map.put( uri_str, bi );
  98                                 _tp.repaint();
  99                             }
 100                             else {
 101                                 image_map.remove( uri_str );
 102                             }
 103                         }
 104                     }
 105                 }
 106             }
 107         }
 108     }
 109
 110     @Override
 111     public void run() {
 112         load();
 113     }
 114 }