Example usage for org.eclipse.jdt.internal.core ClasspathEntry rootID

Introduction

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

Prototype

String rootID

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Usage

From source file:org.eclipse.jdt.internal.core.JavaProject.java

License:Open Source License

/**
 * Internal computation of an expanded classpath. It will eliminate duplicates, and produce copies
 * of exported or restricted classpath entries to avoid possible side-effects ever after.
 *///from   w  w w.j av a  2 s  .  c  om
private void computeExpandedClasspath(ClasspathEntry referringEntry, HashSet rootIDs,
        ObjectVector accumulatedEntries) throws JavaModelException {

    String projectRootId = rootID();
    if (rootIDs.contains(projectRootId)) {
        return; // break cycles if any
    }
    rootIDs.add(projectRootId);

    IClasspathEntry[] resolvedClasspath = getResolvedClasspath();

    IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
    boolean isInitialProject = referringEntry == null;
    for (int i = 0, length = resolvedClasspath.length; i < length; i++) {
        ClasspathEntry entry = (ClasspathEntry) resolvedClasspath[i];
        if (isInitialProject || entry.isExported()) {
            String rootID = entry.rootID();
            if (rootIDs.contains(rootID)) {
                continue;
            }
            // combine restrictions along the project chain
            ClasspathEntry combinedEntry = entry.combineWith(referringEntry);
            accumulatedEntries.add(combinedEntry);

            // recurse in project to get all its indirect exports (only consider exported entries from there on)
            if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT) {
                IResource member = workspaceRoot.findMember(entry.getPath());
                if (member != null && member.getType() == IResource.PROJECT) { // double check if bound to project (23977)
                    IProject projRsc = (IProject) member;
                    if (JavaProject.hasJavaNature(projRsc)) {
                        JavaProject javaProject = (JavaProject) JavaCore.create(projRsc);
                        javaProject.computeExpandedClasspath(combinedEntry, rootIDs, accumulatedEntries);
                    }
                }
            } else {
                rootIDs.add(rootID);
            }
        }
    }
}

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