List of usage examples for org.eclipse.jdt.internal.core.util HashtableOfArrayToObject size
public int size()
From source file:com.codenvy.ide.ext.java.server.internal.core.JarPackageFragmentRoot.java
License:Open Source License
/** * Compute the package fragment children of this package fragment root. * These are all of the directory zip entries, and any directories implied * by the path of class files contained in the jar of this package fragment root. */// w w w . java2s. c om protected boolean computeChildren(OpenableElementInfo info, File underlyingResource) throws JavaModelException { HashtableOfArrayToObject rawPackageInfo = new HashtableOfArrayToObject(); IJavaElement[] children; ZipFile jar = null; try { // Object file = JavaModel.getTarget(getPath(), true); // long level = Util.getJdkLevel(file); String compliance = CompilerOptions.VERSION_1_8; jar = getJar(); // always create the default package rawPackageInfo.put(CharOperation.NO_STRINGS, new ArrayList[] { EMPTY_LIST, EMPTY_LIST }); for (Enumeration e = jar.entries(); e.hasMoreElements();) { ZipEntry member = (ZipEntry) e.nextElement(); initRawPackageInfo(rawPackageInfo, member.getName(), member.isDirectory(), compliance); } // loop through all of referenced packages, creating package fragments if necessary // and cache the entry names in the rawPackageInfo table children = new IJavaElement[rawPackageInfo.size()]; int index = 0; for (int i = 0, length = rawPackageInfo.keyTable.length; i < length; i++) { String[] pkgName = (String[]) rawPackageInfo.keyTable[i]; if (pkgName == null) continue; children[index++] = getPackageFragment(pkgName); } } catch (CoreException e) { if (e.getCause() instanceof ZipException) { // not a ZIP archive, leave the children empty Util.log(IStatus.ERROR, "Invalid ZIP archive: " + toStringWithAncestors()); //$NON-NLS-1$ children = NO_ELEMENTS; } else if (e instanceof JavaModelException) { throw (JavaModelException) e; } else { throw new JavaModelException(e); } } finally { manager.closeZipFile(jar); } info.setChildren(children); ((JarPackageFragmentRootInfo) info).rawPackageInfo = rawPackageInfo; return true; }
From source file:com.codenvy.ide.ext.java.server.internal.core.NameLookup.java
License:Open Source License
public NameLookup(IPackageFragmentRoot[] packageFragmentRoots, HashtableOfArrayToObject packageFragments, ICompilationUnit[] workingCopies, Map rootToResolvedEntries, JavaModelManager manager) { this.manager = manager; long start = -1; if (VERBOSE) { Util.verbose(" BUILDING NameLoopkup"); //$NON-NLS-1$ Util.verbose(" -> pkg roots size: " + (packageFragmentRoots == null ? 0 : packageFragmentRoots.length)); //$NON-NLS-1$ Util.verbose(" -> pkgs size: " + (packageFragments == null ? 0 : packageFragments.size())); //$NON-NLS-1$ Util.verbose(" -> working copy size: " + (workingCopies == null ? 0 : workingCopies.length)); //$NON-NLS-1$ start = System.currentTimeMillis(); }//from ww w. j a v a 2 s .c o m this.packageFragmentRoots = packageFragmentRoots; if (workingCopies == null) { this.packageFragments = packageFragments; } else { // clone tables as we're adding packages from working copies try { this.packageFragments = (HashtableOfArrayToObject) packageFragments.clone(); } catch (CloneNotSupportedException e1) { // ignore (implementation of HashtableOfArrayToObject supports cloning) } this.typesInWorkingCopies = new HashMap(); HashtableOfObjectToInt rootPositions = new HashtableOfObjectToInt(); for (int i = 0, length = packageFragmentRoots.length; i < length; i++) { rootPositions.put(packageFragmentRoots[i], i); } for (int i = 0, length = workingCopies.length; i < length; i++) { ICompilationUnit workingCopy = workingCopies[i]; PackageFragment pkg = (PackageFragment) workingCopy.getParent(); IPackageFragmentRoot root = (IPackageFragmentRoot) pkg.getParent(); int rootPosition = rootPositions.get(root); if (rootPosition == -1) continue; // working copy is not visible from this project (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=169970) HashMap typeMap = (HashMap) this.typesInWorkingCopies.get(pkg); if (typeMap == null) { typeMap = new HashMap(); this.typesInWorkingCopies.put(pkg, typeMap); } try { IType[] types = workingCopy.getTypes(); int typeLength = types.length; if (typeLength == 0) { String typeName = Util.getNameWithoutJavaLikeExtension(workingCopy.getElementName()); typeMap.put(typeName, NO_TYPES); } else { for (int j = 0; j < typeLength; j++) { IType type = types[j]; String typeName = type.getElementName(); Object existing = typeMap.get(typeName); if (existing == null) { typeMap.put(typeName, type); } else if (existing instanceof IType) { typeMap.put(typeName, new IType[] { (IType) existing, type }); } else { IType[] existingTypes = (IType[]) existing; int existingTypeLength = existingTypes.length; System.arraycopy(existingTypes, 0, existingTypes = new IType[existingTypeLength + 1], 0, existingTypeLength); existingTypes[existingTypeLength] = type; typeMap.put(typeName, existingTypes); } } } } catch (JavaModelException e) { // working copy doesn't exist -> ignore } // add root of package fragment to cache String[] pkgName = pkg.names; Object existing = this.packageFragments.get(pkgName); if (existing == null || existing == JavaProjectElementInfo.NO_ROOTS) { this.packageFragments.put(pkgName, root); // ensure super packages (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=119161) // are also in the map JavaProjectElementInfo.addSuperPackageNames(pkgName, this.packageFragments); } else { if (existing instanceof PackageFragmentRoot) { int exisitingPosition = rootPositions.get(existing); if (rootPosition != exisitingPosition) { // if not equal this.packageFragments.put(pkgName, exisitingPosition < rootPosition ? new IPackageFragmentRoot[] { (PackageFragmentRoot) existing, root } : new IPackageFragmentRoot[] { root, (PackageFragmentRoot) existing }); } } else { // insert root in the existing list IPackageFragmentRoot[] roots = (IPackageFragmentRoot[]) existing; int rootLength = roots.length; int insertionIndex = 0; for (int j = 0; j < rootLength; j++) { int existingPosition = rootPositions.get(roots[j]); if (rootPosition > existingPosition) { // root is after this index insertionIndex = j; } else if (rootPosition == existingPosition) { // root already in the existing list insertionIndex = -1; break; } else if (rootPosition < existingPosition) { // root is before this index (thus it is at the insertion index) break; } } if (insertionIndex != -1) { IPackageFragmentRoot[] newRoots = new IPackageFragmentRoot[rootLength + 1]; System.arraycopy(roots, 0, newRoots, 0, insertionIndex); newRoots[insertionIndex] = root; System.arraycopy(roots, insertionIndex, newRoots, insertionIndex + 1, rootLength - insertionIndex); this.packageFragments.put(pkgName, newRoots); } } } } } this.rootToResolvedEntries = rootToResolvedEntries; if (VERBOSE) { Util.verbose(" -> spent: " + (System.currentTimeMillis() - start) + "ms"); //$NON-NLS-1$ //$NON-NLS-2$ } }