@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;
}
public static String getUrlForLibraryRoot(@NotNull File libraryRoot) {
String path = FileUtil.toSystemIndependentName(libraryRoot.getAbsolutePath());
if (FileTypeManager.getInstance().getFileTypeByFileName(libraryRoot.getName())
== FileTypes.ARCHIVE) {
return VirtualFileManager.constructUrl(
JarFileSystem.getInstance().getProtocol(), path + JarFileSystem.JAR_SEPARATOR);
} else {
return VirtualFileManager.constructUrl(LocalFileSystem.getInstance().getProtocol(), path);
}
}
@Nullable
private static VirtualFile getHelpFile(final PsiElement element) {
final XmlTag xmlTag = PsiTreeUtil.getParentOfType(element, XmlTag.class);
if (xmlTag == null) {
return null;
}
final AntDomElement antElement = AntSupport.getAntDomElement(xmlTag);
if (antElement == null) {
return null;
}
final AntDomProject antProject = antElement.getAntProject();
if (antProject == null) {
return null;
}
final AntInstallation installation = antProject.getAntInstallation();
if (installation == null) {
return null; // not configured properly and bundled installation missing
}
final String antHomeDir = AntInstallation.HOME_DIR.get(installation.getProperties());
if (antHomeDir == null) {
return null;
}
@NonNls String path = antHomeDir + "/docs/manual";
String url;
if (new File(path).exists()) {
url =
VirtualFileManager.constructUrl(
LocalFileSystem.PROTOCOL, FileUtil.toSystemIndependentName(path));
} else {
path = antHomeDir + "/docs.zip";
if (new File(path).exists()) {
url =
VirtualFileManager.constructUrl(
JarFileSystem.PROTOCOL,
FileUtil.toSystemIndependentName(path)
+ JarFileSystem.JAR_SEPARATOR
+ "docs/manual");
} else {
return null;
}
}
final VirtualFile documentationRoot = VirtualFileManager.getInstance().findFileByUrl(url);
if (documentationRoot == null) {
return null;
}
return getHelpFile(antElement, documentationRoot);
}
private String dubImportPath(String rootPath) {
String pathUrl = VirtualFileManager.constructUrl(LocalFileSystem.PROTOCOL, rootPath);
VirtualFile file = VirtualFileManager.getInstance().findFileByUrl(pathUrl);
if (file == null) {
return null;
}
final List<String> sourcesDir = new ArrayList<>();
VfsUtilCore.visitChildrenRecursively(
file,
new VirtualFileVisitor() {
@Override
public boolean visitFile(@NotNull VirtualFile file) {
if (file.isDirectory()) {
if (file.getName().equals("source")) {
sourcesDir.add("source");
}
if (file.getName().equals("src")) {
sourcesDir.add("src");
}
}
return true;
}
});
return sourcesDir.isEmpty() ? null : rootPath + File.separator + sourcesDir.get(0);
}
@NotNull
private static List<VirtualFile> findClasses(File file, boolean isJre) {
List<VirtualFile> result = ContainerUtil.newArrayList();
VirtualFileManager fileManager = VirtualFileManager.getInstance();
String path = file.getPath();
if (JrtFileSystem.isModularJdk(path)) {
String url =
VirtualFileManager.constructUrl(
JrtFileSystem.PROTOCOL,
FileUtil.toSystemIndependentName(path) + JrtFileSystem.SEPARATOR);
for (String module : JrtFileSystem.listModules(path)) {
ContainerUtil.addIfNotNull(result, fileManager.findFileByUrl(url + module));
}
}
for (File root : JavaSdkUtil.getJdkClassesRoots(file, isJre)) {
String url = VfsUtil.getUrlForLibraryRoot(root);
ContainerUtil.addIfNotNull(result, fileManager.findFileByUrl(url));
}
Collections.sort(result, (o1, o2) -> o1.getPath().compareTo(o2.getPath()));
return result;
}
@NotNull
private VirtualFilePointer create(
@Nullable VirtualFile file,
@NotNull String url,
@NotNull final Disposable parentDisposable,
@Nullable VirtualFilePointerListener listener) {
String protocol;
VirtualFileSystem fileSystem;
if (file == null) {
protocol = VirtualFileManager.extractProtocol(url);
fileSystem = myVirtualFileManager.getFileSystem(protocol);
} else {
protocol = null;
fileSystem = file.getFileSystem();
}
if (fileSystem == TempFileSystem.getInstance()) {
// for tests, recreate always since
VirtualFile found =
fileSystem == null
? null
: file != null ? file : VirtualFileManager.getInstance().findFileByUrl(url);
return new IdentityVirtualFilePointer(found, url);
}
if (fileSystem != LocalFileSystem.getInstance() && fileSystem != JarFileSystem.getInstance()) {
// 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);
url = VirtualFileManager.constructUrl(protocol, path);
} else {
path = file.getPath();
// url has come from VirtualFile.getUrl() and is good enough
}
VirtualFilePointerImpl pointer = getOrCreate(file, url, parentDisposable, listener, path);
int newCount = pointer.incrementUsageCount();
if (newCount == 1) {
Disposer.register(parentDisposable, pointer);
} else {
// already registered
register(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;
}
public static void addLibrary(
Module module, String libName, String libDir, String[] classRoots, String[] sourceRoots) {
String proto =
(classRoots.length > 0 ? classRoots[0] : sourceRoots[0]).endsWith(".jar!/")
? JarFileSystem.PROTOCOL
: LocalFileSystem.PROTOCOL;
String parentUrl = VirtualFileManager.constructUrl(proto, libDir);
List<String> classesUrls = new ArrayList<>();
List<String> sourceUrls = new ArrayList<>();
for (String classRoot : classRoots) {
classesUrls.add(parentUrl + classRoot);
}
for (String sourceRoot : sourceRoots) {
sourceUrls.add(parentUrl + sourceRoot);
}
ModuleRootModificationUtil.addModuleLibrary(module, libName, classesUrls, sourceUrls);
}
@NotNull
public static String pathToUrl(@NonNls @NotNull String path) {
return VirtualFileManager.constructUrl(StandardFileSystems.FILE_PROTOCOL, path);
}
