Java tutorial
/* Copyright (C) 2003-2015 JabRef contributors. 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 2 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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package net.sf.jabref.external.push; import java.io.IOException; import java.io.InputStream; import java.util.List; import javax.swing.Icon; import javax.swing.JCheckBox; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; import net.sf.jabref.Globals; import net.sf.jabref.JabRefExecutorService; import net.sf.jabref.MetaData; import net.sf.jabref.gui.BasePanel; import net.sf.jabref.gui.IconTheme; import net.sf.jabref.logic.l10n.Localization; import net.sf.jabref.logic.util.OS; import net.sf.jabref.model.database.BibDatabase; import net.sf.jabref.model.entry.BibEntry; import net.sf.jabref.preferences.JabRefPreferences; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * Created by IntelliJ IDEA. User: alver Date: Jan 14, 2006 Time: 4:55:23 PM */ public class PushToEmacs extends AbstractPushToApplication implements PushToApplication { private static final Log LOGGER = LogFactory.getLog(PushToEmacs.class); private final JTextField additionalParams = new JTextField(30); private final JCheckBox useEmacs23 = new JCheckBox(); @Override public String getApplicationName() { return "Emacs"; } @Override public Icon getIcon() { return IconTheme.getImage("emacs"); } @Override public JPanel getSettingsPanel() { additionalParams.setText(Globals.prefs.get(JabRefPreferences.EMACS_ADDITIONAL_PARAMETERS)); useEmacs23.setSelected(Globals.prefs.getBoolean(JabRefPreferences.EMACS_23)); return super.getSettingsPanel(); } @Override public void storeSettings() { super.storeSettings(); Globals.prefs.put(JabRefPreferences.EMACS_ADDITIONAL_PARAMETERS, additionalParams.getText()); Globals.prefs.putBoolean(JabRefPreferences.EMACS_23, useEmacs23.isSelected()); } @Override protected void initSettingsPanel() { super.initSettingsPanel(); builder.appendRows("2dlu, p, 2dlu, p"); builder.add(Localization.lang("Additional parameters") + ":").xy(1, 3); builder.add(additionalParams).xy(3, 3); builder.add(Localization.lang("Use EMACS 23 insertion string") + ":").xy(1, 5); builder.add(useEmacs23).xy(3, 5); settings = builder.build(); } @Override public void pushEntries(BibDatabase database, List<BibEntry> entries, String keys, MetaData metaData) { couldNotConnect = false; couldNotCall = false; notDefined = false; initParameters(); commandPath = Globals.prefs.get(commandPathPreferenceKey); if ((commandPath == null) || commandPath.trim().isEmpty()) { notDefined = true; return; } commandPath = Globals.prefs.get(commandPathPreferenceKey); String[] addParams = Globals.prefs.get(JabRefPreferences.EMACS_ADDITIONAL_PARAMETERS).split(" "); try { String[] com = new String[addParams.length + 2]; com[0] = commandPath; System.arraycopy(addParams, 0, com, 1, addParams.length); String prefix; String suffix; if (Globals.prefs.getBoolean(JabRefPreferences.EMACS_23)) { prefix = "(with-current-buffer (window-buffer) (insert "; suffix = "))"; } else { prefix = "(insert "; suffix = ")"; } com[com.length - 1] = OS.WINDOWS ? // Windows gnuclient escaping: // java string: "(insert \\\"\\\\cite{Blah2001}\\\")"; // so cmd receives: (insert \"\\cite{Blah2001}\") // so emacs receives: (insert "\cite{Blah2001}") prefix.concat("\\\"\\" + getCiteCommand().replaceAll("\\\\", "\\\\\\\\") + "{" + keys + "}\\\"") .concat(suffix) : // Linux gnuclient escaping: // java string: "(insert \"\\\\cite{Blah2001}\")" // so sh receives: (insert "\\cite{Blah2001}") // so emacs receives: (insert "\cite{Blah2001}") prefix.concat("\"" + getCiteCommand().replaceAll("\\\\", "\\\\\\\\") + "{" + keys + "}\"") .concat(suffix); final Process p = Runtime.getRuntime().exec(com); JabRefExecutorService.INSTANCE.executeAndWait(() -> { try (InputStream out = p.getErrorStream()) { int c; StringBuilder sb = new StringBuilder(); try { while ((c = out.read()) != -1) { sb.append((char) c); } } catch (IOException e) { LOGGER.warn("Could not read from stderr.", e); } // Error stream has been closed. See if there were any errors: if (!sb.toString().trim().isEmpty()) { LOGGER.warn("Push to Emacs error: " + sb); couldNotConnect = true; } } catch (IOException e) { LOGGER.warn("File problem.", e); } }); } catch (IOException excep) { couldNotCall = true; LOGGER.warn("Problem pushing to Emacs.", excep); } } @Override public void operationCompleted(BasePanel panel) { if (couldNotConnect) { JOptionPane.showMessageDialog(panel.frame(), "<HTML>" + Localization.lang("Could not connect to a running gnuserv process. Make sure that " + "Emacs or XEmacs is running,<BR>and that the server has been started " + "(by running the command 'server-start'/'gnuserv-start').") + "</HTML>", Localization.lang("Error"), JOptionPane.ERROR_MESSAGE); } else if (couldNotCall) { JOptionPane.showMessageDialog(panel.frame(), Localization.lang("Could not run the gnuclient/emacsclient program. Make sure you have " + "the emacsclient/gnuclient program installed and available in the PATH."), Localization.lang("Error"), JOptionPane.ERROR_MESSAGE); } else { super.operationCompleted(panel); } } @Override protected void initParameters() { commandPathPreferenceKey = JabRefPreferences.EMACS_PATH; } @Override protected String getCommandName() { return "gnuclient " + Localization.lang("or") + " emacsclient"; } }