/**
* Create rename refactoring session.
*
* @param settings rename settings
* @return the rename refactoring session
* @throws CoreException when RenameSupport can't be created
* @throws RefactoringException when Java element was not found
*/
@POST
@Path("rename/create")
@Produces("application/json")
@Consumes("application/json")
public RenameRefactoringSession createRenameRefactoring(CreateRenameRefactoring settings)
throws CoreException, RefactoringException {
IJavaProject javaProject = model.getJavaProject(settings.getProjectPath());
IJavaElement elementToRename;
ICompilationUnit cu = null;
switch (settings.getType()) {
case COMPILATION_UNIT:
elementToRename = javaProject.findType(settings.getPath()).getCompilationUnit();
break;
case PACKAGE:
elementToRename =
javaProject.findPackageFragment(new org.eclipse.core.runtime.Path(settings.getPath()));
break;
case JAVA_ELEMENT:
cu = javaProject.findType(settings.getPath()).getCompilationUnit();
elementToRename = getSelectionElement(cu, settings.getOffset());
break;
default:
elementToRename = null;
}
if (elementToRename == null) {
throw new RefactoringException("Can't find java element to rename.");
}
return manager.createRenameRefactoring(
elementToRename, cu, settings.getOffset(), settings.isRefactorLightweight());
}
/** @see AbstractJavaSearchScope#packageFragmentRoot(String, int, String) */
public IPackageFragmentRoot packageFragmentRoot(
String resourcePathString, int jarSeparatorIndex, String jarPath) {
int index = -1;
boolean isJarFile = jarSeparatorIndex != -1;
if (isJarFile) {
// internal or external jar (case 3, 4, or 5)
String relativePath = resourcePathString.substring(jarSeparatorIndex + 1);
index = indexOf(jarPath, relativePath);
} else {
// resource in workspace (case 1 or 2)
index = indexOf(resourcePathString);
}
if (index >= 0) {
int idx = this.projectIndexes[index];
String projectPath = idx == -1 ? null : (String) this.projectPaths.get(idx);
if (projectPath != null) {
IJavaProject project =
JavaCore.create(ResourcesPlugin.getWorkspace().getRoot().getProject(projectPath));
if (isJarFile) {
IResource resource = JavaModel.getWorkspaceTarget(new Path(jarPath));
if (resource != null) return project.getPackageFragmentRoot(resource);
return project.getPackageFragmentRoot(jarPath);
}
Object target =
JavaModel.getWorkspaceTarget(
new Path(this.containerPaths[index] + '/' + this.relativePaths[index]));
if (target != null) {
if (target instanceof IProject) {
return project.getPackageFragmentRoot((IProject) target);
}
IJavaElement element = JavaModelManager.create((IResource) target, project);
return (IPackageFragmentRoot) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
}
}
}
return null;
}
public String toString() {
StringBuffer result = new StringBuffer("JavaSearchScope on "); // $NON-NLS-1$
if (this.elements != null) {
result.append("["); // $NON-NLS-1$
for (int i = 0, length = this.elements.size(); i < length; i++) {
JavaElement element = (JavaElement) this.elements.get(i);
result.append("\n\t"); // $NON-NLS-1$
result.append(element.toStringWithAncestors());
}
result.append("\n]"); // $NON-NLS-1$
} else {
if (this.pathsCount == 0) {
result.append("[empty scope]"); // $NON-NLS-1$
} else {
result.append("["); // $NON-NLS-1$
String[] paths = new String[this.relativePaths.length];
int index = 0;
for (int i = 0; i < this.relativePaths.length; i++) {
String path = this.relativePaths[i];
if (path == null) continue;
String containerPath;
if (ExternalFoldersManager.isInternalPathForExternalFolder(
new Path(this.containerPaths[i]))) {
Object target = JavaModel.getWorkspaceTarget(new Path(this.containerPaths[i]));
containerPath = ((IFolder) target).getLocation().toOSString();
} else {
containerPath = this.containerPaths[i];
}
if (path.length() > 0) {
paths[index++] = containerPath + '/' + path;
} else {
paths[index++] = containerPath;
}
}
System.arraycopy(paths, 0, paths = new String[index], 0, index);
Util.sort(paths);
for (int i = 0; i < index; i++) {
result.append("\n\t"); // $NON-NLS-1$
result.append(paths[i]);
}
result.append("\n]"); // $NON-NLS-1$
}
}
return result.toString();
}
/**
* Create move refactoring session.
*
* @param cmr move settings, contains resource paths to move.
* @return refactoring session id.
* @throws JavaModelException when JavaModel has a failure
* @throws RefactoringException when impossible to create move refactoring session
*/
@POST
@Path("move/create")
@Consumes("application/json")
@Produces("text/plain")
public String createMoveRefactoring(CreateMoveRefactoring cmr)
throws JavaModelException, RefactoringException {
IJavaProject javaProject = model.getJavaProject(cmr.getProjectPath());
IJavaElement[] javaElements;
try {
Function<ElementToMove, IJavaElement> map =
javaElement -> {
try {
if (javaElement.isPack()) {
return javaProject.findPackageFragment(
new org.eclipse.core.runtime.Path(javaElement.getPath()));
} else {
return javaProject.findType(javaElement.getPath()).getCompilationUnit();
}
} catch (JavaModelException e) {
throw new IllegalArgumentException(e);
}
};
javaElements = cmr.getElements().stream().map(map).toArray(IJavaElement[]::new);
} catch (IllegalArgumentException e) {
if (e.getCause() instanceof JavaModelException) {
throw (JavaModelException) e.getCause();
} else {
throw e;
}
}
if (RefactoringAvailabilityTester.isMoveAvailable(new IResource[0], javaElements)) {
return manager.createMoveRefactoringSession(javaElements);
}
throw new RefactoringException("Can't create move refactoring.");
}
/**
* Add a path to current java search scope or all project fragment roots if null. Use project
* resolved classpath to retrieve and store access restriction on each classpath entry. Recurse if
* dependent projects are found.
*
* @param javaProject Project used to get resolved classpath entries
* @param pathToAdd Path to add in case of single element or null if user want to add all project
* package fragment roots
* @param includeMask Mask to apply on classpath entries
* @param projectsToBeAdded Set to avoid infinite recursion
* @param visitedProjects Set to avoid adding twice the same project
* @param referringEntry Project raw entry in referring project classpath
* @throws JavaModelException May happen while getting java model info
*/
void add(
JavaProject javaProject,
IPath pathToAdd,
int includeMask,
HashSet projectsToBeAdded,
HashSet visitedProjects,
IClasspathEntry referringEntry)
throws JavaModelException {
IProject project = javaProject.getProject();
if (!project.isAccessible() || !visitedProjects.add(project)) return;
IPath projectPath = project.getFullPath();
String projectPathString = projectPath.toString();
addEnclosingProjectOrJar(projectPath);
IClasspathEntry[] entries = javaProject.getResolvedClasspath();
IJavaModel model = javaProject.getJavaModel();
JavaModelManager.PerProjectInfo perProjectInfo = javaProject.getPerProjectInfo();
for (int i = 0, length = entries.length; i < length; i++) {
IClasspathEntry entry = entries[i];
AccessRuleSet access = null;
ClasspathEntry cpEntry = (ClasspathEntry) entry;
if (referringEntry != null) {
// Add only exported entries.
// Source folder are implicitly exported.
if (!entry.isExported() && entry.getEntryKind() != IClasspathEntry.CPE_SOURCE) {
continue;
}
cpEntry = cpEntry.combineWith((ClasspathEntry) referringEntry);
// cpEntry = ((ClasspathEntry)referringEntry).combineWith(cpEntry);
}
access = cpEntry.getAccessRuleSet();
switch (entry.getEntryKind()) {
case IClasspathEntry.CPE_LIBRARY:
IClasspathEntry rawEntry = null;
Map rootPathToRawEntries = perProjectInfo.rootPathToRawEntries;
if (rootPathToRawEntries != null) {
rawEntry = (IClasspathEntry) rootPathToRawEntries.get(entry.getPath());
}
if (rawEntry == null) break;
rawKind:
switch (rawEntry.getEntryKind()) {
case IClasspathEntry.CPE_LIBRARY:
case IClasspathEntry.CPE_VARIABLE:
if ((includeMask & APPLICATION_LIBRARIES) != 0) {
IPath path = entry.getPath();
if (pathToAdd == null || pathToAdd.equals(path)) {
Object target = JavaModel.getTarget(path, false /*don't check existence*/);
if (target instanceof IFolder) // case of an external folder
path = ((IFolder) target).getFullPath();
String pathToString =
path.getDevice() == null ? path.toString() : path.toOSString();
add(
projectPath.toString(),
"",
pathToString,
false /*not a package*/,
access); //$NON-NLS-1$
addEnclosingProjectOrJar(entry.getPath());
}
}
break;
case IClasspathEntry.CPE_CONTAINER:
IClasspathContainer container =
JavaCore.getClasspathContainer(rawEntry.getPath(), javaProject);
if (container == null) break;
switch (container.getKind()) {
case IClasspathContainer.K_APPLICATION:
if ((includeMask & APPLICATION_LIBRARIES) == 0) break rawKind;
break;
case IClasspathContainer.K_SYSTEM:
case IClasspathContainer.K_DEFAULT_SYSTEM:
if ((includeMask & SYSTEM_LIBRARIES) == 0) break rawKind;
break;
default:
break rawKind;
}
IPath path = entry.getPath();
if (pathToAdd == null || pathToAdd.equals(path)) {
Object target = JavaModel.getTarget(path, false /*don't check existence*/);
if (target instanceof IFolder) // case of an external folder
path = ((IFolder) target).getFullPath();
String pathToString =
path.getDevice() == null ? path.toString() : path.toOSString();
add(
projectPath.toString(),
"",
pathToString,
false /*not a package*/,
access); //$NON-NLS-1$
addEnclosingProjectOrJar(entry.getPath());
}
break;
}
break;
case IClasspathEntry.CPE_PROJECT:
if ((includeMask & REFERENCED_PROJECTS) != 0) {
IPath path = entry.getPath();
if (pathToAdd == null || pathToAdd.equals(path)) {
JavaProject referencedProject = (JavaProject) model.getJavaProject(path.toOSString());
if (!projectsToBeAdded.contains(
referencedProject)) { // do not recurse if depending project was used to create
// the scope
add(
referencedProject,
null,
includeMask,
projectsToBeAdded,
visitedProjects,
cpEntry);
}
}
}
break;
case IClasspathEntry.CPE_SOURCE:
if ((includeMask & SOURCES) != 0) {
IPath path = entry.getPath();
if (pathToAdd == null || pathToAdd.equals(path)) {
add(
projectPath.toString(),
Util.relativePath(path, projectPath.segmentCount() /*remove project segment*/),
projectPathString,
false /*not a package*/,
access);
}
}
break;
}
}
}
/*
* Compute the list of paths which are keying index files.
*/
private void initializeIndexLocations() {
IPath[] projectsAndJars = this.searchScope.enclosingProjectsAndJars();
IndexManager manager = JavaModelManager.getIndexManager();
SimpleSet locations = new SimpleSet();
IJavaElement focus = MatchLocator.projectOrJarFocus(this.pattern);
if (focus == null) {
for (int i = 0; i < projectsAndJars.length; i++) {
IPath path = projectsAndJars[i];
Object target = JavaModel.getTarget(path, false /*don't check existence*/);
if (target instanceof IFolder) // case of an external folder
path = ((IFolder) target).getFullPath();
locations.add(manager.computeIndexLocation(path));
}
} else {
try {
// See whether the state builder might be used to reduce the number of index locations
// find the projects from projectsAndJars that see the focus then walk those projects
// looking for the jars from projectsAndJars
int length = projectsAndJars.length;
JavaProject[] projectsCanSeeFocus = new JavaProject[length];
SimpleSet visitedProjects = new SimpleSet(length);
int projectIndex = 0;
SimpleSet externalLibsToCheck = new SimpleSet(length);
ObjectVector superTypes = new ObjectVector();
IJavaElement[] focuses = getFocusedElementsAndTypes(this.pattern, focus, superTypes);
char[][][] focusQualifiedNames = null;
boolean isAutoBuilding = ResourcesPlugin.getWorkspace().getDescription().isAutoBuilding();
if (isAutoBuilding && focus instanceof IJavaProject) {
focusQualifiedNames = getQualifiedNames(superTypes);
}
IJavaModel model = JavaModelManager.getJavaModelManager().getJavaModel();
for (int i = 0; i < length; i++) {
IPath path = projectsAndJars[i];
JavaProject project = (JavaProject) getJavaProject(path, model);
if (project != null) {
visitedProjects.add(project);
if (canSeeFocus(focuses, project, focusQualifiedNames)) {
locations.add(manager.computeIndexLocation(path));
projectsCanSeeFocus[projectIndex++] = project;
}
} else {
externalLibsToCheck.add(path);
}
}
for (int i = 0; i < projectIndex && externalLibsToCheck.elementSize > 0; i++) {
IClasspathEntry[] entries = projectsCanSeeFocus[i].getResolvedClasspath();
for (int j = entries.length; --j >= 0; ) {
IClasspathEntry entry = entries[j];
if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
IPath path = entry.getPath();
if (externalLibsToCheck.remove(path) != null) {
Object target = JavaModel.getTarget(path, false /*don't check existence*/);
if (target instanceof IFolder) // case of an external folder
path = ((IFolder) target).getFullPath();
locations.add(manager.computeIndexLocation(path));
}
}
}
}
// jar files can be included in the search scope without including one of the projects that
// references them, so scan all projects that have not been visited
if (externalLibsToCheck.elementSize > 0) {
IJavaProject[] allProjects = model.getJavaProjects();
for (int i = 0, l = allProjects.length;
i < l && externalLibsToCheck.elementSize > 0;
i++) {
JavaProject project = (JavaProject) allProjects[i];
if (!visitedProjects.includes(project)) {
IClasspathEntry[] entries = project.getResolvedClasspath();
for (int j = entries.length; --j >= 0; ) {
IClasspathEntry entry = entries[j];
if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
IPath path = entry.getPath();
if (externalLibsToCheck.remove(path) != null) {
Object target = JavaModel.getTarget(path, false /*don't check existence*/);
if (target instanceof IFolder) // case of an external folder
path = ((IFolder) target).getFullPath();
locations.add(manager.computeIndexLocation(path));
}
}
}
}
}
}
} catch (JavaModelException e) {
// ignored
}
}
this.indexLocations = new IPath[locations.elementSize];
Object[] values = locations.values;
int count = 0;
for (int i = values.length; --i >= 0; )
if (values[i] != null) this.indexLocations[count++] = (IPath) values[i];
}