Example usage for org.eclipse.jdt.internal.core JavaModelManager determineIfOnClasspath

Introduction

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

Prototype

public static IJavaElement determineIfOnClasspath(IResource resource, IJavaProject project) 

Source Link

Document

Returns the package fragment root represented by the resource, or the package fragment the given resource is located in, or null if the given resource is not on the classpath of the given project.

Usage

From source file:org.eclipse.ajdt.core.javaelements.CompilationUnitTools.java

License:Open Source License

public static PackageFragment getParentPackage(IFile ajFile) {
    IJavaProject jp = JavaCore.create(ajFile.getProject());
    IJavaElement elem = JavaModelManager.determineIfOnClasspath(ajFile, jp);
    if (elem == null) {
        //not on classpath -> default package
        IPackageFragmentRoot root = jp.getPackageFragmentRoot(ajFile.getParent());
        elem = root.getPackageFragment(IPackageFragment.DEFAULT_PACKAGE_NAME);
    }/*from   ww  w .  jav a 2s  .c o  m*/
    if (elem instanceof PackageFragment) {
        return (PackageFragment) elem;
    }
    //should never happen

    return null;
}

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From source file:org.jboss.tools.common.EclipseUtil.java

License:Open Source License

/**
 * Returns compilation unit for file, if it exists in Java model, otherwise returns null.
 * /* ww  w . j  a v a2 s.  c o  m*/
 * @param f
 * @return compilation unit for file, if it exists in Java model, otherwise null
 * @throws CoreException
 */
public static ICompilationUnit getCompilationUnit(IFile f) {
    IJavaProject jp = getJavaProject(f.getProject());
    if (jp != null) {
        IPackageFragment pkg = (IPackageFragment) JavaModelManager.determineIfOnClasspath(f, jp);
        if (pkg != null) {
            ICompilationUnit result = pkg.getCompilationUnit(f.getName());
            return (result.exists()) ? result : null;
        }
    }
    return null;
}

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