public boolean openLink() {
frame.output(Localization.lang("External viewer called") + ".");
try {
ExternalFileType type = fileType;
if (this.fileType == null) {
if (this.fieldName == null) {
// We don't already know the file type, so we try to deduce it from the extension:
File file = new File(link);
// We try to check the extension for the file:
String name = file.getName();
int pos = name.indexOf('.');
String extension =
(pos >= 0) && (pos < (name.length() - 1))
? name.substring(pos + 1).trim().toLowerCase()
: null;
// Now we know the extension, check if it is one we know about:
type = ExternalFileTypes.getInstance().getExternalFileTypeByExt(extension);
fileType = type;
} else {
JabRefDesktop.openExternalViewer(
frame.getCurrentBasePanel().getBibDatabaseContext().getMetaData(), link, fieldName);
return true;
}
}
if (type instanceof UnknownExternalFileType) {
return JabRefDesktop.openExternalFileUnknown(
frame, entry, metaData, link, (UnknownExternalFileType) type);
} else {
return JabRefDesktop.openExternalFileAnyFormat(metaData, link, type);
}
} catch (IOException e1) {
// See if we should show an error message concerning the application to open the
// link with. We check if the file type is set, and if the file type has a non-empty
// application link. If that link is referred by the error message, we can assume
// that the problem is in the open-with-application setting:
if ((fileType != null)
&& (fileType.getOpenWith() != null)
&& !fileType.getOpenWith().isEmpty()
&& e1.getMessage().contains(fileType.getOpenWith())) {
JOptionPane.showMessageDialog(
frame,
Localization.lang(
"Unable to open link. "
+ "The application '%0' associated with the file type '%1' could not be called.",
fileType.getOpenWith(), fileType.getName()),
Localization.lang("Could not open link"),
JOptionPane.ERROR_MESSAGE);
return false;
}
LOGGER.warn("Unable to open link", e1);
}
return false;
}
private void setValues(ExternalFileType entry) {
name.setText(entry.getName());
extension.setText(entry.getExtension());
mimeType.setText(entry.getMimeType());
application.setText(entry.getOpenWith());
icon.setIcon(entry.getIcon());
if (application.getText().isEmpty()) {
useDefault.setSelected(true);
} else {
other.setSelected(true);
}
selectedIcon = null;
}