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

Introduction

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

Prototype

public IClasspathEntry[] resolveClasspath(IClasspathEntry[] rawClasspath) throws JavaModelException 

Source Link

Usage

From source file:com.google.gdt.eclipse.core.ClasspathUtilities.java

License:Open Source License

/**
 * Return the raw classpath entry on the project's classpath that contributes
 * the given type to the project.//from  w  ww.ja  v a 2 s .  c  om
 * 
 * @param javaProject The java project
 * @param fullyQualifiedName The fully-qualified type name
 * @return The raw classpath entry that contributes the type to the project,
 *         or <code>null</code> if no such classpath entry can be found.
 * @throws JavaModelException
 */
public static IClasspathEntry findRawClasspathEntryFor(IJavaProject javaProject, String fullyQualifiedName)
        throws JavaModelException {
    IType type = javaProject.findType(fullyQualifiedName);
    if (type != null) {
        IPackageFragmentRoot packageFragmentRoot = (IPackageFragmentRoot) type
                .getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);

        JavaProject jProject = (JavaProject) javaProject;

        IClasspathEntry[] rawClasspath = javaProject.getRawClasspath();
        for (IClasspathEntry rawClasspathEntry : rawClasspath) {
            IClasspathEntry[] resolvedClasspath = jProject
                    .resolveClasspath(new IClasspathEntry[] { rawClasspathEntry });
            IPackageFragmentRoot[] computePackageFragmentRoots = jProject
                    .computePackageFragmentRoots(resolvedClasspath, true, null);
            if (Arrays.asList(computePackageFragmentRoots).contains(packageFragmentRoot)) {
                return rawClasspathEntry;
            }
        }

        return packageFragmentRoot.getRawClasspathEntry();
    }

    return null;
}

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