| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.hot.sds;
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| 3 |
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| 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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| 6 | import java.awt.event.ActionEvent;
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| 7 | import java.io.File;
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| 8 | import java.io.FileOutputStream;
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| 9 | import java.io.IOException;
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| 10 | import java.io.OutputStream;
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| 11 | import java.io.OutputStreamWriter;
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| 12 | import java.io.PrintWriter;
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| 13 | import java.io.Writer;
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| 14 |
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| 15 | import javax.swing.JOptionPane;
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| 16 |
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| 17 | import org.openstreetmap.josm.Main;
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| 18 | import org.openstreetmap.josm.data.osm.IPrimitive;
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| 19 | import org.openstreetmap.josm.gui.layer.Layer;
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| 20 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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| 21 | import org.openstreetmap.josm.tools.Logging;
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| 22 | import org.openstreetmap.josm.tools.Utils;
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| 23 |
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| 24 | public class SdsSaveAction extends SdsDiskAccessAction {
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| 25 |
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| 26 | public SdsSaveAction() {
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| 27 | super(tr("Save..."), "sds_save", tr("Save the current separate data store information to a file."),
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| 28 | null);
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| 29 | }
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| 30 |
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| 31 | @Override
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| 32 | public void actionPerformed(ActionEvent e) {
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| 33 | if (!isEnabled())
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| 34 | return;
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| 35 | doSave();
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| 36 | }
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| 37 |
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| 38 | public boolean doSave() {
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| 39 | Layer layer = null;
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| 40 | if (getLayerManager().getActiveLayer() instanceof OsmDataLayer)
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| 41 | layer = getLayerManager().getActiveLayer();
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| 42 |
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| 43 | if (layer == null)
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| 44 | return false;
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| 45 | return doSave(layer);
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| 46 | }
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| 47 |
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| 48 | public boolean doSave(Layer iLayer) {
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| 49 | if (iLayer == null)
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| 50 | return false;
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| 51 | if (!(iLayer instanceof OsmDataLayer))
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| 52 | return false;
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| 53 | OsmDataLayer layer = (OsmDataLayer) iLayer;
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| 54 |
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| 55 | File file = createAndOpenSaveFileChooser(tr("Save SDS file"));
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| 56 |
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| 57 | if (file == null)
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| 58 | return false;
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| 59 |
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| 60 | File tmpFile = null;
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| 61 |
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| 62 | try {
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| 63 |
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| 64 | if (file.exists()) {
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| 65 | tmpFile = new File(file.getPath() + "~");
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| 66 | Utils.copyFile(file, tmpFile);
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| 67 | }
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| 68 |
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| 69 | OutputStream out = new FileOutputStream(file);
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| 70 | Writer writer = new OutputStreamWriter(out, "UTF-8");
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| 71 |
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| 72 | layer.data.getReadLock().lock();
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| 73 | try (SdsWriter w = new SdsWriter(new PrintWriter(writer))) {
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| 74 | w.header();
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| 75 | for (IPrimitive p : layer.data.allNonDeletedPrimitives()) {
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| 76 | w.write(p, p.getKeys());
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| 77 | }
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| 78 | w.footer();
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| 79 | } finally {
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| 80 | layer.data.getReadLock().unlock();
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| 81 | }
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| 82 | // FIXME - how to close?
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| 83 | if (!Main.pref.getBoolean("save.keepbackup", false) && (tmpFile != null)) {
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| 84 | tmpFile.delete();
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| 85 | }
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| 86 | } catch (IOException e) {
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| 87 | Logging.error(e);
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| 88 | JOptionPane.showMessageDialog(
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| 89 | Main.parent,
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| 90 | tr("<html>An error occurred while saving.<br>Error is:<br>{0}</html>", e.getMessage()),
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| 91 | tr("Error"),
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| 92 | JOptionPane.ERROR_MESSAGE
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| 93 | );
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| 94 |
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| 95 | try {
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| 96 | // if the file save failed, then the tempfile will not
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| 97 | // be deleted. So, restore the backup if we made one.
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| 98 | if (tmpFile != null && tmpFile.exists()) {
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| 99 | Utils.copyFile(tmpFile, file);
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| 100 | }
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| 101 | } catch (IOException e2) {
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| 102 | Logging.error(e2);
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| 103 | JOptionPane.showMessageDialog(
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| 104 | Main.parent,
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| 105 | tr("<html>An error occurred while restoring backup file.<br>Error is:<br>{0}</html>", e2.getMessage()),
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| 106 | tr("Error"),
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| 107 | JOptionPane.ERROR_MESSAGE
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| 108 | );
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| 109 | }
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| 110 | }
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| 111 | return true;
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| 112 | }
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| 113 | }
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