forester/java/src/org/forester/archaeopteryx/tools/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: https://sites.google.com/site/cmzmasek/home/software/forester
  25
  26 package org.forester.archaeopteryx.tools;
  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.archaeopteryx.AptxUtil;
  38 import org.forester.archaeopteryx.Constants;
  39 import org.forester.archaeopteryx.TreePanel;
  40 import org.forester.phylogeny.PhylogenyNode;
  41 import org.forester.phylogeny.data.Taxonomy;
  42 import org.forester.phylogeny.data.Uri;
  43 import org.forester.phylogeny.iterators.PhylogenyNodeIterator;
  44
  45 public class ImageLoader implements Runnable {
  46
  47     private final TreePanel            _tp;
  48     private static final BufferedImage PLACEHOLDER = new BufferedImage( 1, 1, BufferedImage.TYPE_INT_RGB );
  49     private final static boolean       DEBUG       = false;
  50
  51     public ImageLoader( final TreePanel tp ) {
  52         _tp = tp;
  53     }
  54
  55     private void load() {
  56         Hashtable<String, BufferedImage> image_map = null;
  57         if ( _tp.getImageMap() != null ) {
  58             image_map = _tp.getImageMap();
  59         }
  60         else {
  61             image_map = new Hashtable<String, BufferedImage>();
  62             _tp.setImageMap( image_map );
  63         }
  64         // ImageIO.setUseCache( false );
  65         for( final PhylogenyNodeIterator it = _tp.getPhylogeny().iteratorPreorder(); it.hasNext(); ) {
  66             final PhylogenyNode node = it.next();
  67             if ( node.getNodeData().isHasTaxonomy() && ( node.getNodeData().getTaxonomy().getUris() != null )
  68                     && !node.getNodeData().getTaxonomy().getUris().isEmpty() ) {
  69                 final List<Uri> us = new ArrayList<Uri>();
  70                 for( final Taxonomy t : node.getNodeData().getTaxonomies() ) {
  71                     for( final Uri uri : t.getUris() ) {
  72                         us.add( uri );
  73                     }
  74                 }
  75                 for( final Uri uri : us ) {
  76                     if ( uri != null ) {
  77                         final String type = uri.getType().toLowerCase();
  78                         final String uri_str = uri.getValue().toString().toLowerCase();
  79                         if ( ( !image_map.containsKey( uri_str ) )
  80                                 && ( type.equals( "image" ) || type.equals( "img" ) || type.equals( "photo" )
  81                                         || type.equals( "picture" ) || uri_str.endsWith( ".jpg" )
  82                                         || uri_str.endsWith( ".jpeg" ) || uri_str.endsWith( ".png" )
  83                                         || uri_str.endsWith( ".gif" ) || uri_str.endsWith( ".bmp" ) ) ) {
  84                             image_map.put( uri_str, PLACEHOLDER );
  85                             BufferedImage bi = null;
  86                             if ( DEBUG ) {
  87                                 System.out.println( "accessing: " + uri );
  88                             }
  89                             try {
  90                                 bi = ImageIO.read( uri.getValue().toURL() );
  91                             }
  92                             catch ( final MalformedURLException e ) {
  93                                 AptxUtil.printWarningMessage( Constants.PRG_NAME, "\"" + uri.getValue()
  94                                         + "\": Malformed URL Exception: " + e.getLocalizedMessage() );
  95                             }
  96                             catch ( final IOException e ) {
  97                                 AptxUtil.printWarningMessage( Constants.PRG_NAME, "\"" + uri.getValue()
  98                                         + "\": IO Exception: " + e.getLocalizedMessage() );
  99                             }
 100                             if ( bi != null ) {
 101                                 image_map.put( uri_str, bi );
 102                                 _tp.repaint();
 103                             }
 104                             else {
 105                                 image_map.remove( uri_str );
 106                             }
 107                         }
 108                     }
 109                 }
 110             }
 111         }
 112     }
 113
 114     @Override
 115     public void run() {
 116         load();
 117     }
 118 }