Java tutorial
/* * Scaffold Hunter * Copyright (C) 2006-2008 PG504 * Copyright (C) 2010-2011 PG552 * See README.txt in the root directory of the Scaffold Hunter source tree * for details. * * Scaffold Hunter is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * Scaffold Hunter is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package edu.udo.scaffoldhunter.plugins.dataimport.impl.sdf; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.util.Collections; import java.util.Map; import java.util.Map.Entry; import java.util.Set; import java.util.TreeMap; import org.openscience.cdk.interfaces.IAtomContainer; import org.openscience.cdk.io.iterator.IteratingMDLReader; import org.openscience.cdk.silent.SilentChemObjectBuilder; import com.google.common.collect.Sets; import edu.udo.scaffoldhunter.model.data.MessageListener; import edu.udo.scaffoldhunter.model.db.PropertyDefinition; import edu.udo.scaffoldhunter.plugins.dataimport.PluginResults; /** * @author Bernhard Dick * */ public class SDFImportPluginResults implements PluginResults { private SDFImportPluginArguments arguments; private Map<String, PropertyDefinition> sourceProperties; private final Set<String> probablyNumeric; private int numMolecules; /** * @param arguments */ public SDFImportPluginResults(SDFImportPluginArguments arguments) { this.arguments = arguments; this.sourceProperties = new TreeMap<String, PropertyDefinition>(String.CASE_INSENSITIVE_ORDER); this.numMolecules = 0; File sdfFile = new File(arguments.getFilename()); IAtomContainer cur; Set<String> notNumeric = Sets.newHashSet(); IteratingMDLReader reader = null; try { reader = new IteratingMDLReader(new FileInputStream(sdfFile), SilentChemObjectBuilder.getInstance()); while (reader.hasNext()) { // only properties required here, no need to configure molecule cur = reader.next(); for (Entry<Object, Object> e : cur.getProperties().entrySet()) { if (e.getValue() == null) { continue; } if (!sourceProperties.containsKey(e.getKey())) { sourceProperties.put((String) e.getKey(), null); } if (e.getValue().toString().isEmpty()) { continue; } if (!notNumeric.contains(e.getKey())) { boolean numeric = true; try { double d = Double.parseDouble((String) e.getValue()); if (Double.isNaN(d) || Double.isInfinite(d)) { numeric = false; } } catch (NumberFormatException ex) { numeric = false; } if (!numeric) notNumeric.add((String) e.getKey()); } } numMolecules++; } } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { try { if (reader != null) reader.close(); } catch (IOException ex) { } } probablyNumeric = Sets.difference(sourceProperties.keySet(), notNumeric); } /* * (non-Javadoc) * * @see edu.udo.scaffoldhunter.model.dataimport.plugins.PluginResults# * getSourceProperties() */ @Override public Map<String, PropertyDefinition> getSourceProperties() { return sourceProperties; } /* * (non-Javadoc) * * @see * edu.udo.scaffoldhunter.model.dataimport.plugins.PluginResults#getTitleMapping * () */ @Override public String getTitleMapping() { // TODO maybe make this somewhat nicer return "cdk:Title"; } /* * (non-Javadoc) * * @see * edu.udo.scaffoldhunter.model.dataimport.plugins.PluginResults#getMolecules * () */ @Override public Iterable<IAtomContainer> getMolecules() { File sdfFile = new File(arguments.getFilename()); return new SDFImportPluginIterable(sdfFile); } /* * (non-Javadoc) * * @see * edu.udo.scaffoldhunter.model.dataimport.plugins.PluginResults#getNumMolecules * () */ @Override public int getNumMolecules() { return numMolecules; } /* * (non-Javadoc) * * @see edu.udo.scaffoldhunter.model.dataimport.plugins.PluginResults# * getProbablyNumeric() */ @Override public Set<String> getProbablyNumeric() { return Collections.unmodifiableSet(probablyNumeric); } /* (non-Javadoc) * @see edu.udo.scaffoldhunter.model.dataimport.plugins.PluginResults#addMessageListener(edu.udo.scaffoldhunter.model.data.MessageListener) */ @Override public void addMessageListener(MessageListener listener) { } /* (non-Javadoc) * @see edu.udo.scaffoldhunter.model.dataimport.plugins.PluginResults#removeMessageListener(edu.udo.scaffoldhunter.model.data.MessageListener) */ @Override public void removeMessageListener(MessageListener listener) { } }