Example usage for org.eclipse.jdt.internal.core JavaProject getProjectCache

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core JavaProject getProjectCache.

Prototype

@Deprecated
    public ProjectCache getProjectCache() throws JavaModelException 

Source Link

Usage

From source file:com.codenvy.ide.ext.java.server.internal.core.JavaProjectElementInfo.java

License:Open Source License

NameLookup newNameLookup(JavaProject project, ICompilationUnit[] workingCopies) {
    ProjectCache cache = getProjectCache(project);
    HashtableOfArrayToObject allPkgFragmentsCache = cache.allPkgFragmentsCache;
    if (allPkgFragmentsCache == null) {
        //         HashMap rootInfos = project.manager.deltaState.roots;
        IPackageFragmentRoot[] allRoots = cache.allPkgFragmentRootsCache;
        int length = allRoots.length;
        allPkgFragmentsCache = new HashtableOfArrayToObject();
        for (int i = 0; i < length; i++) {
            IPackageFragmentRoot root = allRoots[i];
            DeltaProcessor.RootInfo rootInfo = null;//(DeltaProcessor.RootInfo) rootInfos.get(root.getPath());
            JavaProject rootProject = project;//rootInfo == null ? project : rootInfo.project;
            HashSetOfArray fragmentsCache;
            if (rootProject.equals(project)) {
                // retrieve package fragments cache from this project
                fragmentsCache = (HashSetOfArray) cache.pkgFragmentsCaches.get(root);
            } else {
                // retrieve package fragments  cache from the root's project
                ProjectCache rootProjectCache;
                try {
                    rootProjectCache = rootProject.getProjectCache();
                } catch (JavaModelException e) {
                    // project doesn't exit
                    continue;
                }//ww w. j a v a  2s. c om
                fragmentsCache = (HashSetOfArray) rootProjectCache.pkgFragmentsCaches.get(root);
            }
            if (fragmentsCache == null) { // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=183833
                fragmentsCache = new HashSetOfArray();
                initializePackageNames(root, fragmentsCache);
            }
            Object[][] set = fragmentsCache.set;
            for (int j = 0, length2 = set.length; j < length2; j++) {
                String[] pkgName = (String[]) set[j];
                if (pkgName == null)
                    continue;
                Object existing = allPkgFragmentsCache.get(pkgName);
                if (existing == null || existing == NO_ROOTS) {
                    allPkgFragmentsCache.put(pkgName, root);
                    // ensure super packages (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=119161)
                    // are also in the map
                    addSuperPackageNames(pkgName, allPkgFragmentsCache);
                } else {
                    if (existing instanceof PackageFragmentRoot) {
                        allPkgFragmentsCache.put(pkgName,
                                new IPackageFragmentRoot[] { (PackageFragmentRoot) existing, root });
                    } else {
                        IPackageFragmentRoot[] roots = (IPackageFragmentRoot[]) existing;
                        int rootLength = roots.length;
                        System.arraycopy(roots, 0, roots = new IPackageFragmentRoot[rootLength + 1], 0,
                                rootLength);
                        roots[rootLength] = root;
                        allPkgFragmentsCache.put(pkgName, roots);
                    }
                }
            }
        }
        cache.allPkgFragmentsCache = allPkgFragmentsCache;
    }
    return new NameLookup(cache.allPkgFragmentRootsCache, cache.allPkgFragmentsCache, workingCopies,
            cache.rootToResolvedEntries, project.getJavaModelManager());
}

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