private long getContainerTimestamp(TypeNameMatch match) {
try {
IType type = match.getType();
IResource resource = type.getResource();
if (resource != null) {
URI location = resource.getLocationURI();
if (location != null) {
IFileInfo info = EFS.getStore(location).fetchInfo();
if (info.exists()) {
// The element could be removed from the build path. So check
// if the Java element still exists.
IJavaElement element = JavaCore.create(resource);
if (element != null && element.exists()) return info.getLastModified();
}
}
} else { // external JAR
IPackageFragmentRoot root = match.getPackageFragmentRoot();
if (root.exists()) {
IFileInfo info = EFS.getLocalFileSystem().getStore(root.getPath()).fetchInfo();
if (info.exists()) {
return info.getLastModified();
}
}
}
} catch (CoreException e) {
// Fall through
}
return IResource.NULL_STAMP;
}
private boolean isVisible(TypeNameMatch curr, ICompilationUnit cu) {
int flags = curr.getModifiers();
if (Flags.isPrivate(flags)) {
return false;
}
if (Flags.isPublic(flags) || Flags.isProtected(flags)) {
return true;
}
return curr.getPackageName().equals(cu.getParent().getElementName());
}
public synchronized TypeNameMatch[] getFilteredTypeInfos(TypeInfoFilter filter) {
Collection values = getValues();
List result = new ArrayList();
for (Iterator iter = values.iterator(); iter.hasNext(); ) {
TypeNameMatch type = (TypeNameMatch) iter.next();
if ((filter == null || filter.matchesHistoryElement(type))
&& !TypeFilter.isFiltered(type.getFullyQualifiedName())) result.add(type);
}
Collections.reverse(result);
return (TypeNameMatch[]) result.toArray(new TypeNameMatch[result.size()]);
}
protected void setAttributes(Object object, Element typeElement) {
TypeNameMatch type = (TypeNameMatch) object;
String handleId = type.getType().getHandleIdentifier();
typeElement.setAttribute(NODE_HANDLE, handleId);
typeElement.setAttribute(NODE_MODIFIERS, Integer.toString(type.getModifiers()));
Long timestamp = (Long) fTimestampMapping.get(type);
if (timestamp == null) {
typeElement.setAttribute(NODE_TIMESTAMP, Long.toString(IResource.NULL_STAMP));
} else {
typeElement.setAttribute(NODE_TIMESTAMP, timestamp.toString());
}
}
private boolean isOfKind(TypeNameMatch curr, int typeKinds, boolean is50OrHigher) {
int flags = curr.getModifiers();
if (Flags.isAnnotation(flags)) {
return is50OrHigher && ((typeKinds & SimilarElementsRequestor.ANNOTATIONS) != 0);
}
if (Flags.isEnum(flags)) {
return is50OrHigher && ((typeKinds & SimilarElementsRequestor.ENUMS) != 0);
}
if (Flags.isInterface(flags)) {
return (typeKinds & SimilarElementsRequestor.INTERFACES) != 0;
}
return (typeKinds & SimilarElementsRequestor.CLASSES) != 0;
}
/*
* Finds a type by the simple name. From AddImportsOperation
*/
private TypeNameMatch[] findAllTypes(
String simpleTypeName,
IJavaSearchScope searchScope,
SimpleName nameNode,
IProgressMonitor monitor,
ICompilationUnit cu)
throws JavaModelException {
boolean is50OrHigher = JavaModelUtil.is50OrHigher(cu.getJavaProject());
int typeKinds = SimilarElementsRequestor.ALL_TYPES;
if (nameNode != null) {
typeKinds = ASTResolving.getPossibleTypeKinds(nameNode, is50OrHigher);
}
ArrayList<TypeNameMatch> typeInfos = new ArrayList<TypeNameMatch>();
TypeNameMatchCollector requestor = new TypeNameMatchCollector(typeInfos);
new SearchEngine()
.searchAllTypeNames(
null,
0,
simpleTypeName.toCharArray(),
SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE,
getSearchForConstant(typeKinds),
searchScope,
requestor,
IJavaSearchConstants.FORCE_IMMEDIATE_SEARCH,
monitor);
ArrayList<TypeNameMatch> typeRefsFound = new ArrayList<TypeNameMatch>(typeInfos.size());
for (int i = 0, len = typeInfos.size(); i < len; i++) {
TypeNameMatch curr = typeInfos.get(i);
if (curr.getPackageName().length() > 0) { // do not suggest imports from the default package
if (isOfKind(curr, typeKinds, is50OrHigher) && isVisible(curr, cu)) {
typeRefsFound.add(curr);
}
}
}
return typeRefsFound.toArray(new TypeNameMatch[typeRefsFound.size()]);
}
private synchronized void internalCheckConsistency(IProgressMonitor monitor)
throws OperationCanceledException {
// Setting fNeedsConsistencyCheck is necessary here since
// markAsInconsistent isn't synchronized.
fNeedsConsistencyCheck = true;
List typesToCheck = new ArrayList(getKeys());
monitor.beginTask(CorextMessages.TypeInfoHistory_consistency_check, typesToCheck.size());
monitor.setTaskName(CorextMessages.TypeInfoHistory_consistency_check);
for (Iterator iter = typesToCheck.iterator(); iter.hasNext(); ) {
TypeNameMatch type = (TypeNameMatch) iter.next();
long currentTimestamp = getContainerTimestamp(type);
Long lastTested = (Long) fTimestampMapping.get(type);
if (lastTested != null
&& currentTimestamp != IResource.NULL_STAMP
&& currentTimestamp == lastTested.longValue()
&& !isContainerDirty(type)) continue;
try {
IType jType = type.getType();
if (jType == null || !jType.exists()) {
remove(type);
} else {
// copy over the modifiers since they may have changed
int modifiers = jType.getFlags();
if (modifiers != type.getModifiers()) {
replace(type, SearchEngine.createTypeNameMatch(jType, modifiers));
} else {
fTimestampMapping.put(type, new Long(currentTimestamp));
}
}
} catch (JavaModelException e) {
remove(type);
}
if (monitor.isCanceled()) throw new OperationCanceledException();
monitor.worked(1);
}
monitor.done();
fNeedsConsistencyCheck = false;
}
public boolean isContainerDirty(TypeNameMatch match) {
ICompilationUnit cu = match.getType().getCompilationUnit();
if (cu == null) {
return false;
}
IResource resource = cu.getResource();
ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
ITextFileBuffer textFileBuffer =
manager.getTextFileBuffer(resource.getFullPath(), LocationKind.IFILE);
if (textFileBuffer != null) {
return textFileBuffer.isDirty();
}
return false;
}
@Override
protected String extract(TypeNameMatch match) {
return match.getPackageName();
}
private void collectProposals(
IJavaProject project, String name, Collection<DefaultClasspathFixProposal> proposals)
throws CoreException {
int idx = name.lastIndexOf('.');
char[] packageName =
idx != -1 ? name.substring(0, idx).toCharArray() : null; // no package provided
char[] typeName = name.substring(idx + 1).toCharArray();
if (typeName.length == 1 && typeName[0] == '*') {
typeName = null;
}
IJavaSearchScope scope = SearchEngine.createWorkspaceScope();
ArrayList<TypeNameMatch> res = new ArrayList<TypeNameMatch>();
TypeNameMatchCollector requestor = new TypeNameMatchCollector(res);
int matchMode = SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE;
new SearchEngine()
.searchAllTypeNames(
packageName,
matchMode,
typeName,
matchMode,
IJavaSearchConstants.TYPE,
scope,
requestor,
IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH,
null);
if (res.isEmpty()) {
return;
}
HashSet<Object> addedClaspaths = new HashSet<Object>();
for (int i = 0; i < res.size(); i++) {
TypeNameMatch curr = res.get(i);
IType type = curr.getType();
if (type != null) {
IPackageFragmentRoot root =
(IPackageFragmentRoot) type.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
try {
IClasspathEntry entry = root.getRawClasspathEntry();
if (entry == null) {
continue;
}
IJavaProject other = root.getJavaProject();
int entryKind = entry.getEntryKind();
if ((entry.isExported() || entryKind == IClasspathEntry.CPE_SOURCE)
&& addedClaspaths.add(other)) {
IClasspathEntry newEntry = JavaCore.newProjectEntry(other.getPath());
Change change = ClasspathFixProposal.newAddClasspathChange(project, newEntry);
if (change != null) {
String[] args = {
BasicElementLabels.getResourceName(other.getElementName()),
BasicElementLabels.getResourceName(project.getElementName())
};
String label =
Messages.format(
CorrectionMessages.ReorgCorrectionsSubProcessor_addcp_project_description,
args);
String desc = label;
DefaultClasspathFixProposal proposal =
new DefaultClasspathFixProposal(
label, change, desc, IProposalRelevance.ADD_PROJECT_TO_BUILDPATH);
proposals.add(proposal);
}
}
if (entryKind == IClasspathEntry.CPE_CONTAINER) {
IPath entryPath = entry.getPath();
if (isNonProjectSpecificContainer(entryPath)) {
addLibraryProposal(project, root, entry, addedClaspaths, proposals);
} else {
try {
IClasspathContainer classpathContainer =
JavaCore.getClasspathContainer(entryPath, root.getJavaProject());
if (classpathContainer != null) {
IClasspathEntry entryInContainer =
JavaModelUtil.findEntryInContainer(classpathContainer, root.getPath());
if (entryInContainer != null) {
addLibraryProposal(project, root, entryInContainer, addedClaspaths, proposals);
}
}
} catch (CoreException e) {
// ignore
}
}
} else if ((entryKind == IClasspathEntry.CPE_LIBRARY
|| entryKind == IClasspathEntry.CPE_VARIABLE)) {
addLibraryProposal(project, root, entry, addedClaspaths, proposals);
}
} catch (JavaModelException e) {
// ignore
}
}
}
}
