Java tutorial
/* Copyright (C) 2007-2011 Database Group - Universita' della Basilicata Giansalvatore Mecca - giansalvatore.mecca@unibas.it Salvatore Raunich - salrau@gmail.com Marcello Buoncristiano - marcello.buoncristiano@yahoo.it This file is part of ++Spicy - a Schema Mapping and Data Exchange Tool ++Spicy 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 any later version. ++Spicy 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 ++Spicy. If not, see <http://www.gnu.org/licenses/>. */ package it.unibas.spicygui.controllo.spicy; import it.unibas.spicy.AnnotatedMappingTask; import it.unibas.spicy.Application; import it.unibas.spicy.findmappings.strategies.IFindBestMappingsStrategy; import it.unibas.spicy.findmappings.strategies.computequality.IComputeQuality; import it.unibas.spicy.model.correspondence.ValueCorrespondence; import it.unibas.spicy.model.mapping.MappingTask; import it.unibas.spicygui.Costanti; import it.unibas.spicygui.commons.LastActionBean; import it.unibas.spicygui.commons.Modello; import it.unibas.spicygui.controllo.Scenario; import it.unibas.spicygui.vista.MappingTaskTopComponent; import java.util.ArrayList; import java.util.List; import java.util.Observable; import java.util.Observer; import java.util.Properties; import java.util.concurrent.ExecutionException; import javax.swing.SwingWorker; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.openide.DialogDescriptor; import org.openide.DialogDisplayer; import org.openide.NotifyDescriptor; import org.openide.util.HelpCtx; import org.openide.util.Lookup; import org.openide.util.NbBundle; import org.openide.util.actions.CallableSystemAction; import org.openide.util.lookup.Lookups; import org.openide.windows.IOProvider; public class ActionFindConfidenceMappings extends CallableSystemAction implements Observer { private static Log logger = LogFactory.getLog(ActionFindConfidenceMappings.class); private Modello modello; private Boolean firstCheck = null; private LastActionBean lastActionBean; private ActionViewSpicy actionViewSpicy; private ActionViewBestMappings actionViewBestMappings; private IFindBestMappingsStrategy mappingFinder; public ActionFindConfidenceMappings() { executeInjection(); this.setEnabled(false); registraAzione(); } @Override public void performAction() { Properties config = new Properties(); config.setProperty(IComputeQuality.class.getSimpleName(), "it.unibas.spicy.findmappings.strategies.computequality.ComputeQualityMatchAverage"); Application.reset(config); executeInjection(); mappingFinder.cleanUp(); Scenario scenario = (Scenario) modello.getBean(Costanti.CURRENT_SCENARIO); MappingTask mappingTask = scenario.getMappingTask(); if (mappingTask.getTargetProxy().getInstances().isEmpty()) { NotifyDescriptor nd = new NotifyDescriptor.Message( NbBundle.getMessage(Costanti.class, Costanti.WARNING_NOT_TARGET_INSTANCES), DialogDescriptor.WARNING_MESSAGE); DialogDisplayer.getDefault().notify(nd); return; } checkValueCorrespondenceInMappingTask(mappingTask); SwingWorker swingWorker = new SwingWorker() { private Scenario scenario; @Override protected Object doInBackground() throws Exception { scenario = (Scenario) modello.getBean(Costanti.CURRENT_SCENARIO); MappingTask mappingTask = scenario.getMappingTask(); List<AnnotatedMappingTask> bestMappingTasks = mappingFinder.findBestMappings(mappingTask); modello.putBean(Costanti.BEST_MAPPING_TASKS, bestMappingTasks); IOProvider.getDefault().getIO(Costanti.FLUSSO_SPICY, false).select(); return true; } @Override protected void done() { try { if ((Boolean) get() && !isCancelled()) { actionViewSpicy.performActionWithScenario(this.scenario); actionViewBestMappings.performActionWithScenario(this.scenario); } } catch (InterruptedException ex) { logger.error(ex); } catch (ExecutionException ex) { logger.error(ex); } } }; swingWorker.execute(); } private void addCorrespondencesToCandidate(MappingTask mappingTask) { List<ValueCorrespondence> candidateCorrespondences = new ArrayList<ValueCorrespondence>(); for (ValueCorrespondence valueCorrespondence : mappingTask.getValueCorrespondences()) { if (checkValueCorrespondences(valueCorrespondence)) { for (ValueCorrespondence candidateCorrespondence : mappingTask.getCandidateCorrespondences()) { if (valueCorrespondence.hasEqualPaths(candidateCorrespondence)) { candidateCorrespondences.add(candidateCorrespondence); break; } } mappingTask.addCandidateCorrespondence(valueCorrespondence); } } mappingTask.getValueCorrespondences().clear(); mappingTask.getCandidateCorrespondences().removeAll(candidateCorrespondences); Scenario scenario = (Scenario) modello.getBean(Costanti.CURRENT_SCENARIO); MappingTaskTopComponent mappingTaskTopComponent = scenario.getMappingTaskTopComponent(); mappingTaskTopComponent.getJLayeredPane().getGlassPane().clearConnectionLayer(); } private void checkValueCorrespondenceInMappingTask(MappingTask mappingTask) { if (!mappingTask.getValueCorrespondences().isEmpty()) { if (firstCheck == null) { NotifyDescriptor nd = new NotifyDescriptor.Confirmation( NbBundle.getMessage(Costanti.class, Costanti.FIND_VALUE_CORRESPONDENCES), DialogDescriptor.YES_NO_OPTION); DialogDisplayer.getDefault().notify(nd); if (nd.getValue().equals(NotifyDescriptor.YES_OPTION)) { this.firstCheck = true; addCorrespondencesToCandidate(mappingTask); } else { this.firstCheck = false; } } } } private boolean checkValueCorrespondences(ValueCorrespondence valueCorrespondence) { if (valueCorrespondence.getSourceValue() == null) { if (valueCorrespondence.getSourcePaths().size() == 1) { return valueCorrespondence.getTransformationFunction().toString() .equals(valueCorrespondence.getSourcePaths().get(0).toString()); } } return false; } private void executeInjection() { if (this.modello == null) { this.modello = Lookup.getDefault().lookup(Modello.class); } if (this.actionViewSpicy == null) { this.actionViewSpicy = Lookups.forPath("Azione").lookup(ActionViewSpicy.class); } if (this.actionViewBestMappings == null) { this.actionViewBestMappings = Lookups.forPath("Azione").lookup(ActionViewBestMappings.class); } this.mappingFinder = (IFindBestMappingsStrategy) Application.getInstance() .getComponentInstance(IFindBestMappingsStrategy.class); } private void registraAzione() { lastActionBean = (LastActionBean) modello.getBean(Costanti.LAST_ACTION_BEAN); lastActionBean.addObserver(this); } @Override public void update(Observable o, Object stato) { if (stato.equals(LastActionBean.CREATE_CANDIDATE)) { this.setEnabled(true); } else if (stato.equals(LastActionBean.CLOSE)) { this.setEnabled(false); } } @Override public String getName() { return NbBundle.getMessage(Costanti.class, Costanti.ACTION_FIND_MAPPINGS_ON_CORRESPONDENCES); } @Override public HelpCtx getHelpCtx() { return HelpCtx.DEFAULT_HELP; } @Override protected boolean asynchronous() { return false; } @Override public void setEnabled(boolean enabled) { super.setEnabled(enabled); this.firstCheck = null; } }