Java tutorial
/* * This file is part of ADDIS (Aggregate Data Drug Information System). * ADDIS is distributed from http://drugis.org/. * Copyright 2009 Gert van Valkenhoef, Tommi Tervonen. * Copyright 2010 Gert van Valkenhoef, Tommi Tervonen, Tijs Zwinkels, * Maarten Jacobs, Hanno Koeslag, Florin Schimbinschi, Ahmad Kamal, Daniel * Reid. * Copyright 2011 Gert van Valkenhoef, Ahmad Kamal, Daniel Reid, Florin * Schimbinschi. * Copyright 2012 Gert van Valkenhoef, Daniel Reid, Jol Kuiper, Wouter * Reckman. * Copyright 2013 Gert van Valkenhoef, Jol Kuiper. * * This program 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. * * This program 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 org.drugis.addis.gui; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.io.ByteArrayOutputStream; import java.net.URI; import java.nio.charset.StandardCharsets; import java.util.Map; import java.util.UUID; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JOptionPane; import org.apache.http.HttpResponse; import org.apache.http.StatusLine; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.utils.URIBuilder; import org.apache.http.entity.ByteArrayEntity; import org.apache.http.impl.client.HttpClients; import org.codehaus.jackson.map.ObjectMapper; import org.drugis.addis.entities.DomainManager; import org.drugis.addis.gui.builder.Addis2ExportView; import org.drugis.addis.rdf.AddisToRdfFactory; import org.drugis.common.beans.AbstractObservable; import com.jgoodies.binding.PresentationModel; @SuppressWarnings("serial") public class Addis2ExportDialog extends JDialog { public static class ExportInfo extends AbstractObservable { private String name = ""; private String title = ""; private String apiKey = ""; private String server = "https://addis.drugis.org/"; private String datasetId = UUID.randomUUID().toString(); private Integer userId = null; private boolean done = false; private String authStatus = ""; private String status = ""; public String getName() { return name; } public void setName(String newVal) { String oldVal = this.name; this.name = newVal; firePropertyChange("name", oldVal, newVal); } public String getTitle() { return title; } public void setTitle(String newVal) { String oldVal = this.title; this.title = newVal; firePropertyChange("title", oldVal, newVal); } public String getApiKey() { return apiKey; } public void setApiKey(String newVal) { String oldVal = this.apiKey; this.apiKey = newVal; firePropertyChange("apiKey", oldVal, newVal); if (!newVal.equals(oldVal)) { this.setUserId(null); this.setAuthStatus(""); } } public String getServer() { return server; } public void setServer(String newVal) { String oldVal = this.server; this.server = newVal; firePropertyChange("server", oldVal, newVal); if (!newVal.equals(oldVal)) { this.setUserId(null); this.setAuthStatus(""); } } public String getDatasetId() { return datasetId; } public void setDatasetId(String newVal) { String oldVal = this.datasetId; this.datasetId = newVal; firePropertyChange("datasetId", oldVal, newVal); } public String getStatus() { return status; } public void setStatus(String newVal) { String oldVal = this.status; this.status = newVal; firePropertyChange("status", oldVal, newVal); } public Integer getUserId() { return userId; } public void setUserId(Integer newVal) { Integer oldVal = this.userId; this.userId = newVal; firePropertyChange("userId", oldVal, newVal); } public String getAuthStatus() { return authStatus; } public void setAuthStatus(String newVal) { String oldVal = this.authStatus; this.authStatus = newVal; firePropertyChange("authStatus", oldVal, newVal); } public boolean getDone() { return done; } public void setDone(boolean newVal) { boolean oldVal = this.done; this.done = newVal; firePropertyChange("done", oldVal, newVal); } } private final class CredentialsChecker implements Runnable { private final ExportInfo d_info; public CredentialsChecker(ExportInfo info) { d_info = info; } @Override public void run() { try { d_info.setAuthStatus("Checking credentials..."); HttpGet get = new HttpGet(new URIBuilder(d_info.getServer()).setPath("/whoami").build()); get.setHeader("X-Auth-Application-Key", d_info.apiKey); HttpResponse response = HttpClients.createDefault().execute(get); StatusLine statusLine = response.getStatusLine(); if (statusLine.getStatusCode() == 200) { ObjectMapper mapper = new ObjectMapper(); Map<?, ?> parsed = mapper.readValue(response.getEntity().getContent(), Map.class); d_info.setUserId((Integer) parsed.get("id")); d_info.setAuthStatus( "Authenticated as " + parsed.get("firstName") + " " + parsed.get("lastName")); } else { d_info.setAuthStatus("Authentication failed: " + statusLine.getStatusCode() + " " + statusLine.getReasonPhrase()); } } catch (Exception e) { d_info.setAuthStatus("Error: " + e.getMessage()); e.printStackTrace(); } } } private final class Exporter implements Runnable { private final ExportInfo d_info; private Exporter(ExportInfo info) { d_info = info; } @Override public void run() { try { d_info.setStatus("Generating XML..."); ByteArrayOutputStream os = new ByteArrayOutputStream(); d_mgr.saveXMLDomain(os); String xml = new String(os.toByteArray(), StandardCharsets.UTF_8); d_info.setStatus("Converting to RDF..."); String rdf = AddisToRdfFactory.create().convert(xml, DATASET_URI_PREFIX + d_info.getDatasetId(), d_info.getName(), d_info.getTitle()); d_info.setStatus("Uploading RDF..."); URI writeDatasetUri = new URIBuilder(d_info.getServer()) .setPath("/users/" + d_info.getUserId() + "/datasets/" + d_info.getDatasetId()) .setParameter("commitTitle", "Exported from ADDIS 1.x").build(); HttpPost post = new HttpPost(writeDatasetUri); post.setHeader("Content-Type", "text/trig"); post.setHeader("X-Auth-Application-Key", d_info.apiKey); post.setEntity(new ByteArrayEntity(rdf.getBytes())); HttpResponse response = HttpClients.createDefault().execute(post); StatusLine statusLine = response.getStatusLine(); if (statusLine.getStatusCode() == 200 || statusLine.getStatusCode() == 201) { d_info.setStatus("Export complete"); d_info.setDone(true); } else { d_info.setStatus( "Export failed: " + statusLine.getStatusCode() + " " + statusLine.getReasonPhrase()); } } catch (Exception e) { d_info.setStatus("Error: " + e.getMessage()); e.printStackTrace(); } } } private DomainManager d_mgr; private static final String DATASET_URI_PREFIX = "http://trials.drugis.org/datasets/"; public Addis2ExportDialog(JFrame parent, DomainManager mgr) { super(parent, "Export to ADDIS 2", true); d_mgr = mgr; final ExportInfo info = new ExportInfo(); Addis2ExportView view = new Addis2ExportView(new PresentationModel<ExportInfo>(info), new CredentialsChecker(info), new Exporter(info)); info.addPropertyChangeListener(new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent evt) { if (evt.getPropertyName().equals("done") && evt.getNewValue().equals(true)) { JOptionPane.showMessageDialog(Addis2ExportDialog.this, "Dataset successfully exported to ADDIS 2"); Addis2ExportDialog.this.dispose(); } } }); add(view.buildPanel()); pack(); } }