private boolean tryToReloadApplication() {
try {
final Application app = ApplicationManager.getApplication();
if (app.isDisposed()) return false;
final HashSet<Pair<VirtualFile, StateStorage>> causes =
new HashSet<Pair<VirtualFile, StateStorage>>(myChangedApplicationFiles);
if (causes.isEmpty()) return true;
final boolean[] reloadOk = {false};
final LinkedHashSet<String> components = new LinkedHashSet<String>();
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
@Override
public void run() {
try {
reloadOk[0] =
((ApplicationImpl) app).getStateStore().reload(causes, components);
} catch (StateStorageException e) {
Messages.showWarningDialog(
ProjectBundle.message("project.reload.failed", e.getMessage()),
ProjectBundle.message("project.reload.failed.title"));
} catch (IOException e) {
Messages.showWarningDialog(
ProjectBundle.message("project.reload.failed", e.getMessage()),
ProjectBundle.message("project.reload.failed.title"));
}
}
});
if (!reloadOk[0] && !components.isEmpty()) {
String message = "Application components were changed externally and cannot be reloaded:\n";
for (String component : components) {
message += component + "\n";
}
final boolean canRestart = ApplicationManager.getApplication().isRestartCapable();
message += "Would you like to " + (canRestart ? "restart " : "shutdown ");
message += ApplicationNamesInfo.getInstance().getProductName() + "?";
if (Messages.showYesNoDialog(
message, "Application Configuration Reload", Messages.getQuestionIcon())
== Messages.YES) {
for (Pair<VirtualFile, StateStorage> cause : causes) {
StateStorage stateStorage = cause.getSecond();
if (stateStorage instanceof XmlElementStorage) {
((XmlElementStorage) stateStorage).disableSaving();
}
}
ApplicationManagerEx.getApplicationEx().restart(true);
}
}
return reloadOk[0];
} finally {
myChangedApplicationFiles.clear();
}
}
@NotNull
private VirtualFilePointer create(
@Nullable("null means the pointer will be created from the (not null) url") VirtualFile file,
@Nullable("null means url has to be computed from the (not-null) file path") String url,
@NotNull Disposable parentDisposable,
@Nullable VirtualFilePointerListener listener) {
VirtualFileSystem fileSystem;
String protocol;
String path;
if (file == null) {
int protocolEnd = url.indexOf(URLUtil.SCHEME_SEPARATOR);
if (protocolEnd == -1) {
protocol = null;
fileSystem = null;
} else {
protocol = url.substring(0, protocolEnd);
fileSystem = myVirtualFileManager.getFileSystem(protocol);
}
path = url.substring(protocolEnd + URLUtil.SCHEME_SEPARATOR.length());
} else {
fileSystem = file.getFileSystem();
protocol = fileSystem.getProtocol();
path = file.getPath();
url = VirtualFileManager.constructUrl(protocol, path);
}
if (fileSystem == TEMP_FILE_SYSTEM) {
// for tests, recreate always
VirtualFile found = file == null ? VirtualFileManager.getInstance().findFileByUrl(url) : file;
return new IdentityVirtualFilePointer(found, url);
}
boolean isJar = fileSystem == JAR_FILE_SYSTEM;
if (fileSystem != LOCAL_FILE_SYSTEM && !isJar) {
// we are unable to track alien file systems for now
VirtualFile found =
fileSystem == null
? null
: file != null ? file : VirtualFileManager.getInstance().findFileByUrl(url);
// if file is null, this pointer will never be alive
return getOrCreateIdentity(url, found);
}
if (file == null) {
String cleanPath = cleanupPath(path, isJar);
// if newly created path is the same as substringed from url one then the url did not change,
// we can reuse it
//noinspection StringEquality
if (cleanPath != path) {
url = VirtualFileManager.constructUrl(protocol, cleanPath);
path = cleanPath;
}
}
// else url has come from VirtualFile.getPath() and is good enough
VirtualFilePointerImpl pointer =
getOrCreate(parentDisposable, listener, path, Pair.create(file, url));
DelegatingDisposable.registerDisposable(parentDisposable, pointer);
return pointer;
}
@NotNull
private VirtualFilePointer create(
@Nullable VirtualFile file,
@NotNull String url,
@NotNull final Disposable parentDisposable,
@Nullable VirtualFilePointerListener listener) {
String protocol;
IVirtualFileSystem fileSystem;
if (file == null) {
protocol = VirtualFileManager.extractProtocol(url);
fileSystem = myVirtualFileManager.getFileSystem(protocol);
} else {
protocol = null;
fileSystem = file.getFileSystem();
}
if (fileSystem == myTempFileSystem) {
// for tests, recreate always
VirtualFile found = file == null ? VirtualFileManager.getInstance().findFileByUrl(url) : file;
return new IdentityVirtualFilePointer(found, url);
}
if (fileSystem != myLocalFileSystem && !(fileSystem instanceof ArchiveFileSystem)) {
// we are unable to track alien file systems for now
VirtualFile found =
fileSystem == null
? null
: file != null ? file : VirtualFileManager.getInstance().findFileByUrl(url);
// if file is null, this pointer will never be alive
return getOrCreateIdentity(url, found);
}
String path;
if (file == null) {
path = VirtualFileManager.extractPath(url);
path = cleanupPath(path, protocol, fileSystem);
url = VirtualFileManager.constructUrl(protocol, path);
} else {
path = file.getPath();
// url has come from VirtualFile.getUrl() and is good enough
}
VirtualFilePointerImpl pointer =
getOrCreate(parentDisposable, listener, path, Pair.create(file, url));
DelegatingDisposable.registerDisposable(parentDisposable, pointer);
return pointer;
}