Example usage for org.eclipse.jdt.core ITypeRoot getSourceRange

Introduction

In this page you can find the example usage for org.eclipse.jdt.core ITypeRoot getSourceRange.

Prototype

ISourceRange getSourceRange() throws JavaModelException;

Source Link

Document

Returns the source range associated with this element.

Usage

From source file:org.eclipse.recommenders.internal.rcp.JavaElementSelections.java

License:Open Source License

private static boolean isInvalidSelection(ITypeRoot root, final int offset) {
    try {/* w ww  .ja v a 2 s.c om*/
        if (!root.exists()) {
            return true;
        }
        // check whether the type root is part of an package fragment root. If not, it's an invalid selection and
        // all resolutions are likely to fail. Thus, return true (=invalid):
        IJavaElement ancestor = root.getAncestor(IJavaProject.PACKAGE_FRAGMENT_ROOT);
        if (!ancestor.exists()) {
            return true;
        }
        ISourceRange range = root.getSourceRange();
        return range == null || offset < 0 || offset > range.getLength();
    } catch (Exception e) {
        log(ERROR_EXCEPTION_WHILE_CHECKING_OFFSETS, e);
        return false;
    }
}

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From source file:org.eclipse.recommenders.internal.rcp.JavaSelectionUtilsTest.java

License:Open Source License

@Test
public void testInvalidSelections02_withSourceRange() throws JavaModelException {
    ITypeRoot mock = mock(ITypeRoot.class);
    when(mock.getSourceRange()).thenReturn(new SourceRange(0, 100));
    assertEquals(absent(), JavaElementSelections.resolveJavaElementFromTypeRootInEditor(mock, -1));
    assertEquals(absent(), JavaElementSelections.resolveJavaElementFromTypeRootInEditor(mock, 0));
    assertEquals(absent(),/*from w  w  w. j  a va 2s. c o  m*/
            JavaElementSelections.resolveJavaElementFromTypeRootInEditor(mock, Integer.MAX_VALUE));
}

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