public void testRegion() throws Exception {
IJavaProject jproj = createJavaProject("RegionTest");
IProject proj = jproj.getProject();
IPath projPath = proj.getFullPath();
IPath root = projPath.append("src");
for (int idx = 0; idx < 1000; idx++) {
this.env.addClass(
root, "test", "Foo" + idx, "package test;\n\n" + "public class Foo" + idx + " {\n" + "}");
}
this.env.fullBuild();
for (int idx = 0; idx < 10; idx++) {
startMeasuring();
Region region = new Region();
IPackageFragment[] fragments = jproj.getPackageFragments();
for (IPackageFragment next : fragments) {
IJavaElement[] children = next.getChildren();
for (IJavaElement nextChild : children) {
region.add(nextChild);
}
}
stopMeasuring();
}
// Commit
commitMeasurements();
assertPerformance();
}
private static void tryDeletingAllJavaChildren(IPackageFragment pack) throws CoreException {
IJavaElement[] kids = pack.getChildren();
for (int i = 0; i < kids.length; i++) {
if (kids[i] instanceof ISourceManipulation) {
if (kids[i].exists() && !kids[i].isReadOnly()) JavaProjectHelper.delete(kids[i]);
}
}
}
/**
* This method passes through all the java packages and calls the filter callback passed on each
* package found.
*
* <p>If true is returned on the callback, the children of each package (classes) will also be
* visited, otherwise, they'll be skipped.
*/
private void filterJavaPackages(IFilter filter) {
IClasspathEntry[] rawClasspath;
try {
rawClasspath = this.javaProject.getRawClasspath();
FastStringBuffer buffer = new FastStringBuffer();
for (IClasspathEntry entry : rawClasspath) {
int entryKind = entry.getEntryKind();
IClasspathEntry resolvedClasspathEntry = JavaCore.getResolvedClasspathEntry(entry);
if (entryKind != IClasspathEntry.CPE_CONTAINER) {
// ignore if it's in the system classpath...
IPackageFragmentRoot[] roots =
javaProject.findPackageFragmentRoots(resolvedClasspathEntry);
// get the package roots
for (IPackageFragmentRoot root : roots) {
IJavaElement[] children = root.getChildren();
// get the actual packages
for (IJavaElement child : children) {
IPackageFragment childPackage = (IPackageFragment) child;
String elementName = childPackage.getElementName();
// and if the java package is 'accepted'
if (filter.accept(elementName, root, childPackage)) {
buffer.clear();
buffer.append(elementName);
int packageNameLen = buffer.length();
if (packageNameLen > 0) {
buffer.append('.');
packageNameLen++;
}
// traverse its classes
for (IJavaElement class_ : childPackage.getChildren()) {
buffer.append(FullRepIterable.getFirstPart(class_.getElementName()));
filter.accept(buffer.toString(), root, class_);
buffer.setCount(
packageNameLen); // leave only the package part for the next append
}
}
}
}
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public IJavaElement getElementAtConsideringSibling(int position) throws JavaModelException {
IPackageFragment fragment = (IPackageFragment) getParent();
PackageFragmentRoot root =
(PackageFragmentRoot) fragment.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
SourceMapper mapper = root.getSourceMapper();
if (mapper == null) {
return null;
} else {
int index = this.name.indexOf('$');
int prefixLength = index < 0 ? this.name.length() : index;
IType type = null;
int start = -1;
int end = Integer.MAX_VALUE;
IJavaElement[] children = fragment.getChildren();
for (int i = 0; i < children.length; i++) {
String childName = children[i].getElementName();
int childIndex = childName.indexOf('$');
int childPrefixLength = childIndex < 0 ? childName.indexOf('.') : childIndex;
if (prefixLength == childPrefixLength
&& this.name.regionMatches(0, childName, 0, prefixLength)) {
IClassFile classFile = (IClassFile) children[i];
// ensure this class file's buffer is open so that source ranges are computed
classFile.getBuffer();
SourceRange range = mapper.getSourceRange(classFile.getType());
if (range == SourceMapper.UNKNOWN_RANGE) continue;
int newStart = range.getOffset();
int newEnd = newStart + range.getLength() - 1;
if (newStart > start && newEnd < end && newStart <= position && newEnd >= position) {
type = classFile.getType();
start = newStart;
end = newEnd;
}
}
}
if (type != null) {
return findElement(type, position, mapper);
}
return null;
}
}
/**
* Returns the children of <code>source</code> which are affected by this operation. If <code>
* source</code> is a <code>K_SOURCE</code>, these are the <code>.java</code> files, if it is a
* <code>K_BINARY</code>, they are the <code>.class</code> files.
*/
private IResource[] collectResourcesOfInterest(IPackageFragment source)
throws JavaModelException {
IJavaElement[] children = source.getChildren();
int childOfInterest = IJavaElement.COMPILATION_UNIT;
if (source.getKind() == IPackageFragmentRoot.K_BINARY) {
childOfInterest = IJavaElement.CLASS_FILE;
}
ArrayList correctKindChildren = new ArrayList(children.length);
for (int i = 0; i < children.length; i++) {
IJavaElement child = children[i];
if (child.getElementType() == childOfInterest) {
correctKindChildren.add(((JavaElement) child).resource());
}
}
// Gather non-java resources
Object[] nonJavaResources = source.getNonJavaResources();
int actualNonJavaResourceCount = 0;
for (int i = 0, max = nonJavaResources.length; i < max; i++) {
if (nonJavaResources[i] instanceof IResource) actualNonJavaResourceCount++;
}
IResource[] actualNonJavaResources = new IResource[actualNonJavaResourceCount];
for (int i = 0, max = nonJavaResources.length, index = 0; i < max; i++) {
if (nonJavaResources[i] instanceof IResource)
actualNonJavaResources[index++] = (IResource) nonJavaResources[i];
}
if (actualNonJavaResourceCount != 0) {
int correctKindChildrenSize = correctKindChildren.size();
IResource[] result = new IResource[correctKindChildrenSize + actualNonJavaResourceCount];
correctKindChildren.toArray(result);
System.arraycopy(
actualNonJavaResources, 0, result, correctKindChildrenSize, actualNonJavaResourceCount);
return result;
} else {
IResource[] result = new IResource[correctKindChildren.size()];
correctKindChildren.toArray(result);
return result;
}
}
private void checkForJavaDependencies(IPluginModelBase[] models, IProgressMonitor monitor) {
try {
if (!fProject.hasNature(JavaCore.NATURE_ID)) return;
IJavaProject jProject = JavaCore.create(fProject);
IPackageFragment[] packageFragments =
PluginJavaSearchUtil.collectPackageFragments(models, jProject, true);
monitor.beginTask("", packageFragments.length); // $NON-NLS-1$
SearchEngine engine = new SearchEngine();
for (int i = 0; i < packageFragments.length; i++) {
if (monitor.isCanceled()) break;
IPackageFragment pkgFragment = packageFragments[i];
monitor.subTask(
PDEUIMessages.DependencyExtentOperation_inspecting
+ " "
+ pkgFragment.getElementName()); // $NON-NLS-1$
if (pkgFragment.hasChildren()) {
IJavaElement[] children = pkgFragment.getChildren();
for (int j = 0; j < children.length; j++) {
if (monitor.isCanceled()) break;
IJavaElement child = children[j];
IType[] types = new IType[0];
if (child instanceof IClassFile) {
types = new IType[] {((IClassFile) child).getType()};
} else if (child instanceof ICompilationUnit) {
types = ((ICompilationUnit) child).getTypes();
}
if (types.length > 0)
searchForTypesUsed(
engine, child, types, PluginJavaSearchUtil.createSeachScope(jProject));
}
}
monitor.worked(1);
}
} catch (CoreException e) {
} finally {
monitor.done();
}
}
protected IPath componentPathForPackage(IPackageFragment _selection) {
try {
LocatePlugin locate = LocatePlugin.getDefault();
for (IJavaElement element : _selection.getChildren()) {
String componentName = locate.fileNameWithoutExtension(element.getElementName());
LocalizedComponentsLocateResult result =
locate.getLocalizedComponentsLocateResult(
_selection.getJavaProject().getProject(), componentName);
IFolder[] components = result.getComponents();
if (components.length > 0) {
IContainer selectionPath = components[0].getParent();
return selectionPath.getFullPath();
}
}
} catch (CoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (LocateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
/**
* Recursively traverses all children of fragment. Looks for files that end in the cal extension
* (.cal). If a file is found, it is added to a set and returned.
*
* @param fragment
* @return the set of cal files below this package fragment
*/
private Set<IStorage> internalGetSources(IPackageFragment fragment) {
Set<IStorage> calSources = new HashSet<IStorage>();
try {
Object[] nonJavaChildren = fragment.getNonJavaResources();
for (final Object child : nonJavaChildren) {
if (child instanceof IStorage && ((IStorage) child).getName().endsWith(CAL_EXTENSION)) {
calSources.add((IStorage) child);
}
}
IJavaElement[] children = fragment.getChildren();
for (final IJavaElement child : children) {
if (child.getElementType() == IJavaElement.PACKAGE_FRAGMENT) {
calSources.addAll(internalGetSources((IPackageFragment) child));
}
}
} catch (JavaModelException e) {
Util.log(e, "Error getting CAL Sources");
}
return calSources;
}
