/**
* Returns the reason for why the Javadoc of the Java element could not be retrieved.
*
* @param element whose Javadoc could not be retrieved
* @param root the root of the Java element
* @return the String message for why the Javadoc could not be retrieved for the Java element or
* <code>null</code> if the Java element is from a source container
* @since 3.9
*/
public static String getExplanationForMissingJavadoc(
IJavaElement element, IPackageFragmentRoot root) {
String message = null;
try {
boolean isBinary = (root.exists() && root.getKind() == IPackageFragmentRoot.K_BINARY);
if (isBinary) {
boolean hasAttachedJavadoc = JavaDocLocations.getJavadocBaseLocation(element) != null;
boolean hasAttachedSource = root.getSourceAttachmentPath() != null;
IOpenable openable = element.getOpenable();
boolean hasSource = openable.getBuffer() != null;
// Provide hint why there's no Java doc
if (!hasAttachedSource && !hasAttachedJavadoc)
message = CorextMessages.JavaDocLocations_noAttachments;
else if (!hasAttachedJavadoc && !hasSource)
message = CorextMessages.JavaDocLocations_noAttachedJavadoc;
else if (!hasAttachedSource) message = CorextMessages.JavaDocLocations_noAttachedSource;
else if (!hasSource) message = CorextMessages.JavaDocLocations_noInformation;
}
} catch (JavaModelException e) {
message = CorextMessages.JavaDocLocations_error_gettingJavadoc;
JavaPlugin.log(e);
}
return message;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jdt.internal.ui.wizards.TypedElementSelectionValidator#
* isSelectedValid(java.lang.Object)
*/
@Override
public boolean isSelectedValid(Object element) {
boolean isValid = false;
try {
if (element instanceof IJavaProject) {
IJavaProject jproject = (IJavaProject) element;
IPath path = jproject.getProject().getFullPath();
isValid = (jproject.findPackageFragmentRoot(path) != null);
} else if (element instanceof IPackageFragmentRoot) {
IPackageFragmentRoot packageFragmentRoot = (IPackageFragmentRoot) element;
boolean isSrc = (packageFragmentRoot.getKind() == IPackageFragmentRoot.K_SOURCE);
boolean isGen =
packageFragmentRoot.getElementName().equals(IAndroidConstants.GEN_SRC_FOLDER)
&& (packageFragmentRoot.getParent() instanceof IJavaProject);
isValid = isSrc && !isGen;
} else {
isValid = true;
}
} catch (JavaModelException e) {
AndmoreLogger.error(ElementTreeValidator.class, e.getLocalizedMessage(), e);
}
return isValid;
}
protected IPackageFragmentRoot getFragmentRoot(IJavaElement elem) {
IPackageFragmentRoot initRoot = null;
if (elem != null) {
initRoot = (IPackageFragmentRoot) elem.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
try {
if (initRoot == null || initRoot.getKind() != IPackageFragmentRoot.K_SOURCE) {
IJavaProject jproject = elem.getJavaProject();
if (jproject != null) {
initRoot = null;
if (jproject.exists()) {
IPackageFragmentRoot[] roots = jproject.getPackageFragmentRoots();
for (int i = 0; i < roots.length; i++) {
if (roots[i].getKind() == IPackageFragmentRoot.K_SOURCE) {
initRoot = roots[i];
break;
}
}
}
if (initRoot == null) {
initRoot = jproject.getPackageFragmentRoot(jproject.getResource());
}
}
}
} catch (JavaModelException e) {
// TODO
e.printStackTrace();
}
}
return initRoot;
}
public static URL getJavadocBaseLocation(IJavaElement element) throws JavaModelException {
if (element.getElementType() == IJavaElement.JAVA_PROJECT) {
return getProjectJavadocLocation((IJavaProject) element);
}
IPackageFragmentRoot root = JavaModelUtil.getPackageFragmentRoot(element);
if (root == null) {
return null;
}
if (root.getKind() == IPackageFragmentRoot.K_BINARY) {
IClasspathEntry entry = root.getResolvedClasspathEntry();
URL javadocLocation = getLibraryJavadocLocation(entry);
if (javadocLocation != null) {
return getLibraryJavadocLocation(entry);
}
entry = root.getRawClasspathEntry();
switch (entry.getEntryKind()) {
case IClasspathEntry.CPE_LIBRARY:
case IClasspathEntry.CPE_VARIABLE:
return getLibraryJavadocLocation(entry);
default:
return null;
}
} else {
return getProjectJavadocLocation(root.getJavaProject());
}
}
/**
* Initializes the source folder field with a valid package fragment root. The package fragment
* root is computed from the given Java element.
*
* @param elem the Java element used to compute the initial package fragment root used as the
* source folder
*/
protected void initContainerPage(IJavaElement elem) {
IPackageFragmentRoot initRoot = null;
if (elem != null) {
initRoot = JavaModelUtil.getPackageFragmentRoot(elem);
try {
if (initRoot == null || initRoot.getKind() != IPackageFragmentRoot.K_SOURCE) {
IJavaProject jproject = elem.getJavaProject();
if (jproject != null) {
initRoot = null;
if (jproject.exists()) {
IPackageFragmentRoot[] roots = jproject.getPackageFragmentRoots();
for (int i = 0; i < roots.length; i++) {
if (roots[i].getKind() == IPackageFragmentRoot.K_SOURCE) {
initRoot = roots[i];
break;
}
}
}
if (initRoot == null) {
initRoot = jproject.getPackageFragmentRoot(jproject.getResource());
}
}
}
} catch (JavaModelException e) {
JavaPlugin.log(e);
}
}
setPackageFragmentRoot(initRoot, true);
}
protected List<String> getSourceFolders(IProject project) {
List<String> result = new ArrayList<String>();
IJavaProject javaProject = JavaCore.create(project);
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
try {
for (IPackageFragmentRoot packageFragmentRoot : javaProject.getPackageFragmentRoots()) {
if (packageFragmentRoot.getKind() == IPackageFragmentRoot.K_SOURCE) {
IPath path = packageFragmentRoot.getPath();
IFolder folder = root.getFolder(path);
String location = folder.getLocation().toString();
if (!location.contains("src-gen")) {
result.add(location);
}
}
}
for (IProject referencedProject : javaProject.getProject().getReferencedProjects()) {
if (referencedProject.isAccessible() && referencedProject.hasNature(JavaCore.NATURE_ID)) {
result.addAll(getSourceFolders(referencedProject));
}
}
} catch (JavaModelException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (CoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return result;
}
private ISourceFileLocator createSourceFileLocator(IPackageFragmentRoot root)
throws JavaModelException {
if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
return new SourceFolderSourceFileLocator(root);
} else {
return new LibrarySourceFileLocator(root);
}
}
private void collectCompilationUnits(IPackageFragmentRoot root, Collection result)
throws JavaModelException {
if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
IJavaElement[] children = root.getChildren();
for (int i = 0; i < children.length; i++) {
collectCompilationUnits((IPackageFragment) children[i], result);
}
}
}
/**
* This method will return the first source folder of the Java project
*
* @param javaProject - the java project where the source folder needs to be indentified
* @return
* @throws JavaModelException
*/
public static IPackageFragmentRoot getSourceFolder(IJavaProject javaProject)
throws JavaModelException {
for (IPackageFragmentRoot root : javaProject.getPackageFragmentRoots()) {
if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
return root;
}
}
return null;
}
public static ISourceLocation findLocation(IPackageFragmentRoot root) throws JavaModelException {
if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
IPath path = EclEmmaCorePlugin.getAbsolutePath(root.getPath());
return new SourceLocation(path, new Path(IPackageFragmentRoot.DEFAULT_PACKAGEROOT_PATH));
} else {
IPath path = root.getSourceAttachmentPath();
if (path != null) {
path = EclEmmaCorePlugin.getAbsolutePath(path);
return new SourceLocation(path, root.getSourceAttachmentRootPath());
} else {
return null;
}
}
}
/**
* Get the source folder for the project
*
* @param project
*/
private IPackageFragmentRoot[] getPackageFragmentRoots(IProject project) {
IJavaProject p = JavaCore.create(project);
List<IPackageFragmentRoot> result = new ArrayList<IPackageFragmentRoot>();
try {
IPackageFragmentRoot[] candidates = p.getAllPackageFragmentRoots();
for (IPackageFragmentRoot candidate : candidates) {
if (candidate.getKind() == IPackageFragmentRoot.K_SOURCE) {
result.add(candidate);
}
}
} catch (JavaModelException e) {
}
return result.toArray(new IPackageFragmentRoot[] {});
}
private IStatus validateClassFile() {
IPackageFragmentRoot root = getPackageFragmentRoot();
try {
if (root.getKind() != IPackageFragmentRoot.K_BINARY)
return new JavaModelStatus(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, root);
} catch (JavaModelException e) {
return e.getJavaModelStatus();
}
IJavaProject project = getJavaProject();
return JavaConventions.validateClassFileName(
getElementName(),
project.getOption(JavaCore.COMPILER_SOURCE, true),
project.getOption(JavaCore.COMPILER_COMPLIANCE, true));
}
public static List<ICompilationUnit> collectCompilationUnits(IJavaProject project)
throws JavaModelException {
List<ICompilationUnit> result = new ArrayList<ICompilationUnit>();
IPackageFragmentRoot[] roots = project.getAllPackageFragmentRoots();
for (int i = 0; i < roots.length; ++i) {
IPackageFragmentRoot root = roots[i];
if (IPackageFragmentRoot.K_SOURCE == root.getKind()) {
collectCompilationUnits(result, root);
}
}
return result;
}
/*
* @param projects a collection of IJavaProject
* @return Array of IPackageFragmentRoot, one element for each packageFragmentRoot which lies within a project in <code> projects </code> .
*/
private static IPackageFragmentRoot[] getAllScopeElements(
IJavaProject project, boolean onlySourceRoots) throws JavaModelException {
Collection<IJavaProject> referencingProjects = getReferencingProjects(project);
List<IPackageFragmentRoot> result = new ArrayList<IPackageFragmentRoot>();
for (Iterator<IJavaProject> it = referencingProjects.iterator(); it.hasNext(); ) {
IJavaProject javaProject = it.next();
IPackageFragmentRoot[] roots = javaProject.getPackageFragmentRoots();
// Add all package fragment roots except archives
for (int i = 0; i < roots.length; i++) {
IPackageFragmentRoot root = roots[i];
if (!onlySourceRoots || root.getKind() == IPackageFragmentRoot.K_SOURCE) result.add(root);
}
}
return result.toArray(new IPackageFragmentRoot[result.size()]);
}
/** Attempts to set the defaults values from the given {@link UriPathTemplateCategory} */
private void setDefaultValues(final UriPathTemplateCategory category) {
final IJavaProject javaProject = category.getJavaProject();
try {
final IPackageFragmentRoot[] packageFragmentRoots = javaProject.getAllPackageFragmentRoots();
for (IPackageFragmentRoot packageFragmentRoot : packageFragmentRoots) {
if (packageFragmentRoot.getKind() == IPackageFragmentRoot.K_SOURCE) {
setPackageFragmentRoot(packageFragmentRoot, true);
break;
}
}
} catch (JavaModelException e) {
Logger.error(
"Failed to set the default values from project '" + javaProject.getElementName() + "'",
e);
}
}
private boolean isEnabled(IStructuredSelection selection) {
Object[] selected = selection.toArray();
for (int i = 0; i < selected.length; i++) {
try {
if (selected[i] instanceof IJavaElement) {
IJavaElement elem = (IJavaElement) selected[i];
if (elem.exists()) {
switch (elem.getElementType()) {
case IJavaElement.TYPE:
return elem.getParent().getElementType()
== IJavaElement.COMPILATION_UNIT; // for browsing perspective
case IJavaElement.COMPILATION_UNIT:
return true;
case IJavaElement.IMPORT_CONTAINER:
return true;
case IJavaElement.PACKAGE_FRAGMENT:
case IJavaElement.PACKAGE_FRAGMENT_ROOT:
IPackageFragmentRoot root =
(IPackageFragmentRoot) elem.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
return (root.getKind() == IPackageFragmentRoot.K_SOURCE);
case IJavaElement.JAVA_PROJECT:
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=65638
return true;
}
}
} else if (selected[i] instanceof LogicalPackage) {
return true;
} else if (selected[i] instanceof IWorkingSet) {
IWorkingSet workingSet = (IWorkingSet) selected[i];
return IWorkingSetIDs.JAVA.equals(workingSet.getId());
}
} catch (JavaModelException e) {
if (!e.isDoesNotExist()) {
JavaPlugin.log(e);
}
}
}
return false;
}
private static URL findResourceURL(
IJavaProject javaProject, Set<IJavaProject> visited, boolean isFirstProject, String name) {
if (visited.contains(javaProject)) return null;
visited.add(javaProject);
try {
IPath outPath =
javaProject
.getProject()
.getLocation()
.removeLastSegments(1)
.append(javaProject.getOutputLocation());
outPath = outPath.addTrailingSeparator();
{
URL url = toURL(outPath.append(name));
if (url != null) {
return url;
}
}
for (IPackageFragmentRoot fragment : javaProject.getPackageFragmentRoots()) {
if (fragment.getKind() == IPackageFragmentRoot.K_SOURCE) {
URL url = toURL(fragment.getResource().getLocation().append(name));
if (url != null) {
return url;
}
}
}
// urls.add(out);
IClasspathEntry[] entries = javaProject.getResolvedClasspath(true);
for (IClasspathEntry entry : entries) {
switch (entry.getEntryKind()) {
case IClasspathEntry.CPE_LIBRARY:
{
// TODO
IClasspathEntry resolveEntry = JavaCore.getResolvedClasspathEntry(entry);
File file = resolveEntry.getPath().toFile();
IPath path = resolveEntry.getPath();
if (!file.exists()) {
String projectName = path.segment(0);
IProject project =
javaProject.getProject().getWorkspace().getRoot().getProject(projectName);
path = project.getLocation().append(path.removeFirstSegments(1));
}
String spec = "jar:file:" + path.toString() + "!/" + name;
try {
URL url2 = new URL(spec);
url2.getContent();
return url2;
} catch (Exception e) {
}
}
break;
case IClasspathEntry.CPE_CONTAINER:
break;
case IClasspathEntry.CPE_VARIABLE:
{
{
// TODO
URL url = toURL(outPath.append(name));
if (url != null) {
return url;
}
}
}
break;
case IClasspathEntry.CPE_PROJECT:
{
if (isFirstProject || entry.isExported()) {
URL url = findResourceURL(getJavaProject(entry), visited, false, name);
if (url != null) {
return url;
}
}
break;
}
}
}
} catch (JavaModelException e) {
e.printStackTrace();
}
return null;
}
/**
* This method is a hook which gets called after the source folder's text input field has changed.
* This default implementation updates the model and returns an error status. The underlying model
* is only valid if the returned status is OK.
*
* @return the model's error status
*/
protected IStatus containerChanged() {
StatusInfo status = new StatusInfo();
fCurrRoot = null;
String str = getPackageFragmentRootText();
if (str.length() == 0) {
status.setError(NewWizardMessages.NewContainerWizardPage_error_EnterContainerName);
return status;
}
IPath path = new Path(str);
IResource res = fWorkspaceRoot.findMember(path);
if (res != null) {
int resType = res.getType();
if (resType == IResource.PROJECT || resType == IResource.FOLDER) {
IProject proj = res.getProject();
if (!proj.isOpen()) {
status.setError(
Messages.format(
NewWizardMessages.NewContainerWizardPage_error_ProjectClosed,
BasicElementLabels.getPathLabel(proj.getFullPath(), false)));
return status;
}
IJavaProject jproject = JavaCore.create(proj);
fCurrRoot = jproject.getPackageFragmentRoot(res);
if (res.exists()) {
if (res.isVirtual()) {
status.setError(NewWizardMessages.NewContainerWizardPage_error_FolderIsVirtual);
return status;
}
try {
if (!proj.hasNature(JavaCore.NATURE_ID)) {
if (resType == IResource.PROJECT) {
status.setError(NewWizardMessages.NewContainerWizardPage_warning_NotAJavaProject);
} else {
status.setWarning(
NewWizardMessages.NewContainerWizardPage_warning_NotInAJavaProject);
}
return status;
}
if (fCurrRoot.isArchive()) {
status.setError(
Messages.format(
NewWizardMessages.NewContainerWizardPage_error_ContainerIsBinary,
BasicElementLabels.getPathLabel(path, false)));
return status;
}
if (fCurrRoot.getKind() == IPackageFragmentRoot.K_BINARY) {
status.setWarning(
Messages.format(
NewWizardMessages.NewContainerWizardPage_warning_inside_classfolder,
BasicElementLabels.getPathLabel(path, false)));
} else if (!jproject.isOnClasspath(fCurrRoot)) {
status.setWarning(
Messages.format(
NewWizardMessages.NewContainerWizardPage_warning_NotOnClassPath,
BasicElementLabels.getPathLabel(path, false)));
}
} catch (JavaModelException e) {
status.setWarning(NewWizardMessages.NewContainerWizardPage_warning_NotOnClassPath);
} catch (CoreException e) {
status.setWarning(NewWizardMessages.NewContainerWizardPage_warning_NotAJavaProject);
}
}
return status;
} else {
status.setError(
Messages.format(
NewWizardMessages.NewContainerWizardPage_error_NotAFolder,
BasicElementLabels.getPathLabel(path, false)));
return status;
}
} else {
status.setError(
Messages.format(
NewWizardMessages.NewContainerWizardPage_error_ContainerDoesNotExist,
BasicElementLabels.getPathLabel(path, false)));
return status;
}
}
public JavadocHelpContext(IContext context, Object[] elements) throws JavaModelException {
Assert.isNotNull(elements);
if (context instanceof IContext2) fTitle = ((IContext2) context).getTitle();
List helpResources = new ArrayList();
String javadocSummary = null;
for (int i = 0; i < elements.length; i++) {
if (elements[i] instanceof IJavaElement) {
IJavaElement element = (IJavaElement) elements[i];
// if element isn't on the build path skip it
if (!ActionUtil.isOnBuildPath(element)) continue;
// Create Javadoc summary
if (BUG_85721_FIXED) {
if (javadocSummary == null) {
javadocSummary = retrieveText(element);
if (javadocSummary != null) {
String elementLabel =
JavaElementLabels.getTextLabel(element, JavaElementLabels.ALL_DEFAULT);
// FIXME: needs to be NLSed once the code becomes active
javadocSummary =
"<b>Javadoc for "
+ elementLabel
+ ":</b><br>"
+ javadocSummary; //$NON-NLS-1$//$NON-NLS-2$
}
} else {
javadocSummary = ""; // no Javadoc summary for multiple selection //$NON-NLS-1$
}
}
URL url = JavaUI.getJavadocLocation(element, true);
if (url == null || doesNotExist(url)) {
IPackageFragmentRoot root = JavaModelUtil.getPackageFragmentRoot(element);
if (root != null) {
url = JavaUI.getJavadocBaseLocation(element);
if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
element = element.getJavaProject();
} else {
element = root;
}
url = JavaUI.getJavadocLocation(element, false);
}
}
if (url != null) {
IHelpResource javaResource = new JavaUIHelpResource(element, getURLString(url));
helpResources.add(javaResource);
}
}
}
// Add static help topics
if (context != null) {
IHelpResource[] resources = context.getRelatedTopics();
if (resources != null) {
for (int j = 0; j < resources.length; j++) {
helpResources.add(resources[j]);
}
}
}
fHelpResources =
(IHelpResource[]) helpResources.toArray(new IHelpResource[helpResources.size()]);
if (context != null) fText = context.getText();
if (BUG_85721_FIXED) {
if (javadocSummary != null && javadocSummary.length() > 0) {
if (fText != null) fText = context.getText() + "<br><br>" + javadocSummary; // $NON-NLS-1$
else fText = javadocSummary;
}
}
if (fText == null) fText = ""; // $NON-NLS-1$
}