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JabRefDesktop.java
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JabRefDesktop.java
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package org.jabref.gui.desktop;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.Locale;
import java.util.Optional;
import java.util.regex.Pattern;
import org.jabref.gui.Globals;
import org.jabref.gui.JabRefGUI;
import org.jabref.gui.desktop.os.DefaultDesktop;
import org.jabref.gui.desktop.os.Linux;
import org.jabref.gui.desktop.os.NativeDesktop;
import org.jabref.gui.desktop.os.OSX;
import org.jabref.gui.desktop.os.Windows;
import org.jabref.gui.externalfiletype.ExternalFileType;
import org.jabref.gui.externalfiletype.ExternalFileTypes;
import org.jabref.logic.l10n.Localization;
import org.jabref.logic.util.OS;
import org.jabref.model.database.BibDatabaseContext;
import org.jabref.model.entry.field.Field;
import org.jabref.model.entry.field.StandardField;
import org.jabref.model.entry.identifier.DOI;
import org.jabref.model.entry.identifier.Eprint;
import org.jabref.model.util.FileHelper;
import org.jabref.preferences.JabRefPreferences;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* TODO: Replace by http://docs.oracle.com/javase/7/docs/api/java/awt/Desktop.html
* http://stackoverflow.com/questions/18004150/desktop-api-is-not-supported-on-the-current-platform
*/
public class JabRefDesktop {
private static final Logger LOGGER = LoggerFactory.getLogger(JabRefDesktop.class);
private static final NativeDesktop NATIVE_DESKTOP = getNativeDesktop();
private static final Pattern REMOTE_LINK_PATTERN = Pattern.compile("[a-z]+://.*");
private JabRefDesktop() {
}
/**
* Open a http/pdf/ps viewer for the given link string.
*/
public static void openExternalViewer(BibDatabaseContext databaseContext, String initialLink, Field initialField)
throws IOException {
String link = initialLink;
Field field = initialField;
if (StandardField.PS.equals(field) || StandardField.PDF.equals(field)) {
// Find the default directory for this field type:
List<Path> directories = databaseContext.getFileDirectories(Globals.prefs.getFilePreferences());
Optional<Path> file = FileHelper.find(link, directories);
// Check that the file exists:
if (file.isEmpty() || !Files.exists(file.get())) {
throw new IOException("File not found (" + field + "): '" + link + "'.");
}
link = file.get().toAbsolutePath().toString();
// Use the correct viewer even if pdf and ps are mixed up:
String[] split = file.get().getFileName().toString().split("\\.");
if (split.length >= 2) {
if ("pdf".equalsIgnoreCase(split[split.length - 1])) {
field = StandardField.PDF;
} else if ("ps".equalsIgnoreCase(split[split.length - 1])
|| ((split.length >= 3) && "ps".equalsIgnoreCase(split[split.length - 2]))) {
field = StandardField.PS;
}
}
} else if (StandardField.DOI.equals(field)) {
openDoi(link);
return;
} else if (StandardField.EPRINT.equals(field)) {
link = Eprint.build(link).map(Eprint::getURIAsASCIIString).orElse(link);
// should be opened in browser
field = StandardField.URL;
}
if (StandardField.URL.equals(field)) {
openBrowser(link);
} else if (StandardField.PS.equals(field)) {
try {
NATIVE_DESKTOP.openFile(link, StandardField.PS.getName());
} catch (IOException e) {
LOGGER.error("An error occurred on the command: " + link, e);
}
} else if (StandardField.PDF.equals(field)) {
try {
NATIVE_DESKTOP.openFile(link, StandardField.PDF.getName());
} catch (IOException e) {
LOGGER.error("An error occurred on the command: " + link, e);
}
} else {
LOGGER.info("Message: currently only PDF, PS and HTML files can be opened by double clicking");
}
}
private static void openDoi(String doi) throws IOException {
String link = DOI.parse(doi).map(DOI::getURIAsASCIIString).orElse(doi);
openBrowser(link);
}
/**
* Open an external file, attempting to use the correct viewer for it.
*
* @param databaseContext The database this file belongs to.
* @param link The filename.
* @return false if the link couldn't be resolved, true otherwise.
*/
public static boolean openExternalFileAnyFormat(final BibDatabaseContext databaseContext, String link,
final Optional<ExternalFileType> type)
throws IOException {
if (REMOTE_LINK_PATTERN.matcher(link.toLowerCase(Locale.ROOT)).matches()) {
openExternalFilePlatformIndependent(type, link);
return true;
}
Optional<Path> file = FileHelper.find(databaseContext, link, Globals.prefs.getFilePreferences());
if (file.isPresent() && Files.exists(file.get())) {
// Open the file:
String filePath = file.get().toString();
openExternalFilePlatformIndependent(type, filePath);
} else {
// No file matched the name, try to open it directly using the given app
openExternalFilePlatformIndependent(type, link);
}
return true;
}
private static void openExternalFilePlatformIndependent(Optional<ExternalFileType> fileType, String filePath)
throws IOException {
if (fileType.isPresent()) {
String application = fileType.get().getOpenWithApplication();
if (application.isEmpty()) {
NATIVE_DESKTOP.openFile(filePath, fileType.get().getExtension());
} else {
NATIVE_DESKTOP.openFileWithApplication(filePath, application);
}
} else {
// File type is not given and therefore no application specified
// Let the OS handle the opening of the file
NATIVE_DESKTOP.openFile(filePath, "");
}
}
/**
* Opens a file browser of the folder of the given file. If possible, the file is selected
*
* @param fileLink the location of the file
* @throws IOException
*/
public static void openFolderAndSelectFile(Path fileLink) throws IOException {
if (fileLink == null) {
return;
}
boolean usingDefault = Globals.prefs.getBoolean(JabRefPreferences.USE_DEFAULT_FILE_BROWSER_APPLICATION);
if (usingDefault) {
NATIVE_DESKTOP.openFolderAndSelectFile(fileLink);
} else {
String absolutePath = fileLink.toAbsolutePath().getParent().toString();
String command = Globals.prefs.get(JabRefPreferences.FILE_BROWSER_COMMAND);
if (!command.isEmpty()) {
command = command.replaceAll("\\s+", " "); // normalize white spaces
// replace the placeholder if used
command = command.replace("%DIR", absolutePath);
String[] subcommands = command.split(" ");
LOGGER.info("Executing command \"" + command + "\"...");
try {
new ProcessBuilder(subcommands).start();
} catch (IOException exception) {
LOGGER.error("Open File Browser", exception);
JabRefGUI.getMainFrame().getDialogService().notify(Localization.lang("Error occured while executing the command \"%0\".", command));
}
}
}
}
/**
* Opens the given URL using the system browser
*
* @param url the URL to open
*/
public static void openBrowser(String url) throws IOException {
Optional<ExternalFileType> fileType = ExternalFileTypes.getInstance().getExternalFileTypeByExt("html");
openExternalFilePlatformIndependent(fileType, url);
}
public static void openBrowser(URI url) throws IOException {
openBrowser(url.toASCIIString());
}
/**
* Opens the url with the users standard Browser.
* If that fails a popup will be shown to instruct the user to open the link manually
* and the link gets copied to the clipboard
* @param url the URL to open
*/
public static void openBrowserShowPopup(String url) {
try {
openBrowser(url);
} catch (IOException exception) {
Globals.clipboardManager.setContent(url);
LOGGER.error("Could not open browser", exception);
String couldNotOpenBrowser = Localization.lang("Could not open browser.");
String openManually = Localization.lang("Please open %0 manually.", url);
String copiedToClipboard = Localization.lang("The link has been copied to the clipboard.");
JabRefGUI.getMainFrame().getDialogService().notify(couldNotOpenBrowser);
JabRefGUI.getMainFrame().getDialogService().showErrorDialogAndWait(couldNotOpenBrowser, couldNotOpenBrowser + "\n" + openManually + "\n" + copiedToClipboard);
}
}
/**
* Opens a new console starting on the given file location
* <p>
* If no command is specified in {@link Globals}, the default system console will be executed.
*
* @param file Location the console should be opened at.
*/
public static void openConsole(File file) throws IOException {
if (file == null) {
return;
}
String absolutePath = file.toPath().toAbsolutePath().getParent().toString();
boolean usingDefault = Globals.prefs.getBoolean(JabRefPreferences.USE_DEFAULT_CONSOLE_APPLICATION);
if (usingDefault) {
NATIVE_DESKTOP.openConsole(absolutePath);
} else {
String command = Globals.prefs.get(JabRefPreferences.CONSOLE_COMMAND);
command = command.trim();
if (!command.isEmpty()) {
command = command.replaceAll("\\s+", " "); // normalize white spaces
command = command.replace("%DIR", absolutePath); // replace the placeholder if used
String[] subcommands = command.split(" ");
LOGGER.info("Executing command \"" + command + "\"...");
JabRefGUI.getMainFrame().getDialogService().notify(Localization.lang("Executing command \"%0\"...", command));
try {
new ProcessBuilder(subcommands).start();
} catch (IOException exception) {
LOGGER.error("Open console", exception);
JabRefGUI.getMainFrame().getDialogService().notify(Localization.lang("Error occured while executing the command \"%0\".", command));
}
}
}
}
// TODO: Move to OS.java
public static NativeDesktop getNativeDesktop() {
if (OS.WINDOWS) {
return new Windows();
} else if (OS.OS_X) {
return new OSX();
} else if (OS.LINUX) {
return new Linux();
}
return new DefaultDesktop();
}
}