Example usage for org.eclipse.jdt.core IJavaElement exists

List of usage examples for org.eclipse.jdt.core IJavaElement exists

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Introduction

In this page you can find the example usage for org.eclipse.jdt.core IJavaElement exists.

Prototype

boolean exists();

Source Link

Document

Returns whether this Java element exists in the model.

Usage

From source file:org.eclipse.ajdt.internal.ui.wizards.exports.AJJarPackageWizard.java

License:Open Source License

private void addResource(List selectedElements, IResource resource) {
    IJavaElement je = JavaCore.create(resource);
    if (je != null && je.exists() && je.getElementType() == IJavaElement.COMPILATION_UNIT)
        selectedElements.add(je);//from   w  w  w  . j  a v a 2 s.  c  om
    else
        selectedElements.add(resource);
}

From source file:org.eclipse.ajdt.internal.ui.wizards.exports.AJJarPackageWizardPage.java

License:Open Source License

protected void setupBasedOnInitialSelections() {
    Iterator iterator = fInitialSelection.iterator();
    while (iterator.hasNext()) {
        Object selectedElement = iterator.next();

        if (selectedElement instanceof IResource && !((IResource) selectedElement).isAccessible())
            continue;

        if (selectedElement instanceof IJavaElement && !((IJavaElement) selectedElement).exists())
            continue;

        if (selectedElement instanceof ICompilationUnit || selectedElement instanceof IClassFile
                || selectedElement instanceof IFile)
            fInputGroup.initialCheckListItem(selectedElement);
        else {//from w  ww  . j  a va  2s.  c om
            if (selectedElement instanceof IFolder) {
                // Convert resource to Java element if possible
                IJavaElement je = JavaCore.create((IResource) selectedElement);
                if (je != null && je.exists() && je.getJavaProject().isOnClasspath((IResource) selectedElement))
                    selectedElement = je;
            }
            fInputGroup.initialCheckTreeItem(selectedElement);
        }
    }

    TreeItem[] items = fInputGroup.getTree().getItems();
    int i = 0;
    while (i < items.length && !items[i].getChecked())
        i++;
    if (i < items.length) {
        fInputGroup.getTree().setSelection(new TreeItem[] { items[i] });
        fInputGroup.getTree().showSelection();
        fInputGroup.populateListViewer(items[i].getData());
    }
}

From source file:org.eclipse.ajdt.internal.ui.wizards.exports.StandardJavaElementContentProvider.java

License:Open Source License

/**
 * Note: This method is for internal use only. Clients should not call this method.
 *///w ww. java 2  s  .c o m
protected Object internalGetParent(Object element) {

    // try to map resources to the containing package fragment
    if (element instanceof IResource) {
        IResource parent = ((IResource) element).getParent();
        IJavaElement jParent = JavaCore.create(parent);
        // http://bugs.eclipse.org/bugs/show_bug.cgi?id=31374
        if (jParent != null && jParent.exists())
            return jParent;
        return parent;
    } else if (element instanceof IJavaElement) {
        IJavaElement parent = ((IJavaElement) element).getParent();
        // for package fragments that are contained in a project package fragment
        // we have to skip the package fragment root as the parent.
        if (element instanceof IPackageFragment) {
            return skipProjectPackageFragmentRoot((IPackageFragmentRoot) parent);
        }
        return parent;
    }
    return null;
}

From source file:org.eclipse.ajdt.mylyn.ui.AspectJUIBridge.java

License:Open Source License

@Override
public void open(IInteractionElement node) {
    IJavaElement javaElement = AspectJCore.create(node.getHandleIdentifier());
    if (javaElement == null || !javaElement.exists())
        return;//from   w w w  .ja  v  a2s. com
    try {
        IEditorPart part = JavaUI.openInEditor(javaElement);
        JavaUI.revealInEditor(part, javaElement);
    } catch (Throwable t) {
        StatusHandler.fail(new Status(IStatus.ERROR, AspectJStructureBridgePlugin.PLUGIN_ID,
                "Could not open editor for: " + node, t));
    }
}

From source file:org.eclipse.che.jdt.refactoring.ccp.MoveTest.java

License:Open Source License

public void move(IJavaElement[] javaElements, IResource[] resources, IResource destination,
        IJavaElement javaDestination, int location, boolean confirmAll, boolean providesUndo) throws Exception {
    assertNotNull(javaElements);//  www . ja  v a2  s  . com
    assertNotNull(resources);
    assertTrue((destination != null || javaDestination != null)
            && (destination == null || javaDestination == null));

    if (javaDestination != null) {
        assertTrue(javaDestination.exists());
    } else {
        assertTrue(destination.exists());
    }
    for (int i = 0; i < resources.length; i++) {
        assertTrue(resources[i].exists());
    }

    IMovePolicy policy = ReorgPolicyFactory.createMovePolicy(resources, javaElements);
    assertTrue(policy.canEnable());

    JavaMoveProcessor processor = new JavaMoveProcessor(policy);
    if (javaDestination != null) {
        assertTrue(processor
                .setDestination(ReorgDestinationFactory.createDestination(javaDestination, location)).isOK());
    } else {
        RefactoringStatus status = processor
                .setDestination(ReorgDestinationFactory.createDestination(destination, location));
        assertTrue(status.getSeverity() <= RefactoringStatus.INFO);
    }

    Refactoring ref = new MoveRefactoring(processor);

    processor.setCreateTargetQueries(new ICreateTargetQueries() {
        @Override
        public ICreateTargetQuery createNewPackageQuery() {
            throw new UnsupportedOperationException("createNewPackageQuery");
        }
    });
    if (confirmAll) {
        processor.setReorgQueries(new ConfirmAllQuery());
    } else {
        processor.setReorgQueries(new ConfirmNoneQuery());
    }

    performRefactoring(ref, providesUndo);
}

From source file:org.eclipse.che.jdt.refactoring.RenameTypeTest.java

License:Open Source License

private void checkMappedSimilarElementsExist(Refactoring ref) {
    RenameTypeProcessor rtp = (RenameTypeProcessor) ((RenameRefactoring) ref).getProcessor();
    IJavaElementMapper mapper = (IJavaElementMapper) rtp.getAdapter(IJavaElementMapper.class);
    IJavaElement[] similarElements = rtp.getSimilarElements();
    if (similarElements == null)
        return;//from   w w w.  ja va  2s.  co m
    for (int i = 0; i < similarElements.length; i++) {
        IJavaElement element = similarElements[i];
        if (!(element instanceof ILocalVariable)) {
            IJavaElement newElement = mapper.getRefactoredJavaElement(element);
            assertTrue(newElement.exists());
            assertFalse(element.exists());
        }
    }

}

From source file:org.eclipse.che.jdt.refactoring.RenameTypeTest.java

License:Open Source License

private void checkMappers(Refactoring refactoring, IType type, String newCUName,
        IJavaElement[] someClassMembers) {
    RenameTypeProcessor rtp = (RenameTypeProcessor) ((RenameRefactoring) refactoring).getProcessor();

    ICompilationUnit newUnit = (ICompilationUnit) rtp.getRefactoredJavaElement(type.getCompilationUnit());
    assertTrue(newUnit.exists());/* w  w  w. java 2  s.c om*/
    assertTrue(newUnit.getElementName().equals(newCUName));

    IFile newFile = (IFile) rtp.getRefactoredResource(type.getResource());
    assertTrue(newFile.exists());
    assertTrue(newFile.getName().equals(newCUName));

    if ((type.getParent().getElementType() == IJavaElement.COMPILATION_UNIT)
            && type.getCompilationUnit().getElementName().equals(type.getElementName() + ".java")) {
        assertFalse(type.getCompilationUnit().exists());
        assertFalse(type.getResource().exists());
    }

    IPackageFragment oldPackage = (IPackageFragment) type.getCompilationUnit().getParent();
    IPackageFragment newPackage = (IPackageFragment) rtp.getRefactoredJavaElement(oldPackage);
    assertEquals(oldPackage, newPackage);

    for (int i = 0; i < someClassMembers.length; i++) {
        IMember member = (IMember) someClassMembers[i];
        IJavaElement refactoredMember = rtp.getRefactoredJavaElement(member);
        if (member instanceof IMethod && member.getElementName().equals(type.getElementName()))
            continue; // constructor
        assertTrue(refactoredMember.exists());
        assertEquals(member.getElementName(), refactoredMember.getElementName());
        assertFalse(refactoredMember.equals(member));
    }
}

From source file:org.eclipse.che.plugin.java.server.jdt.refactoring.RenameTypeTest.java

License:Open Source License

private void checkMappedSimilarElementsExist(Refactoring ref) {
    RenameTypeProcessor rtp = (RenameTypeProcessor) ((RenameRefactoring) ref).getProcessor();
    IJavaElementMapper mapper = (IJavaElementMapper) rtp.getAdapter(IJavaElementMapper.class);
    IJavaElement[] similarElements = rtp.getSimilarElements();
    if (similarElements == null)
        return;/*  ww  w .j  a va 2 s  . c  o m*/
    for (int i = 0; i < similarElements.length; i++) {
        IJavaElement element = similarElements[i];
        if (!(element instanceof ILocalVariable)) {
            IJavaElement newElement = mapper.getRefactoredJavaElement(element);
            TestCase.assertTrue(newElement.exists());
            Assert.assertFalse(element.exists());
        }
    }

}

From source file:org.eclipse.che.plugin.java.server.jdt.refactoring.RenameTypeTest.java

License:Open Source License

private void checkMappers(Refactoring refactoring, IType type, String newCUName,
        IJavaElement[] someClassMembers) {
    RenameTypeProcessor rtp = (RenameTypeProcessor) ((RenameRefactoring) refactoring).getProcessor();

    ICompilationUnit newUnit = (ICompilationUnit) rtp.getRefactoredJavaElement(type.getCompilationUnit());
    TestCase.assertTrue(newUnit.exists());
    TestCase.assertTrue(newUnit.getElementName().equals(newCUName));

    IFile newFile = (IFile) rtp.getRefactoredResource(type.getResource());
    TestCase.assertTrue(newFile.exists());
    TestCase.assertTrue(newFile.getName().equals(newCUName));

    if ((type.getParent().getElementType() == IJavaElement.COMPILATION_UNIT)
            && type.getCompilationUnit().getElementName().equals(type.getElementName() + ".java")) {
        Assert.assertFalse(type.getCompilationUnit().exists());
        Assert.assertFalse(type.getResource().exists());
    }//from w  w  w.  j  ava2 s . co m

    IPackageFragment oldPackage = (IPackageFragment) type.getCompilationUnit().getParent();
    IPackageFragment newPackage = (IPackageFragment) rtp.getRefactoredJavaElement(oldPackage);
    Assert.assertEquals(oldPackage, newPackage);

    for (int i = 0; i < someClassMembers.length; i++) {
        IMember member = (IMember) someClassMembers[i];
        IJavaElement refactoredMember = rtp.getRefactoredJavaElement(member);
        if (member instanceof IMethod && member.getElementName().equals(type.getElementName()))
            continue; // constructor
        TestCase.assertTrue(refactoredMember.exists());
        Assert.assertEquals(member.getElementName(), refactoredMember.getElementName());
        Assert.assertFalse(refactoredMember.equals(member));
    }
}

From source file:org.eclipse.contribution.xref.internal.ui.utils.XRefUIUtils.java

License:Open Source License

public static List getXRefAdapterListForJavaElement(IJavaElement javaElement, boolean showParentCrosscutting) {
    List xrefAdapterList = new ArrayList();
    if (javaElement != null && !javaElement.exists()) {
        return xrefAdapterList;
    }//from w  w w .j a v  a 2  s .  co m
    // if we've selected outside a javaElement, for example before
    // the aspect declaration, or we've opted to show crosscutting for
    // the entire file then want to return a list of everything.
    if (javaElement != null && (showParentCrosscutting || selectedOutsideJavaElement)) {

        ICompilationUnit parent = (ICompilationUnit) javaElement.getAncestor(IJavaElement.COMPILATION_UNIT);
        if (parent != null) {
            try {
                IType[] types = parent.getAllTypes();
                for (int i = 0; i < types.length; i++) {
                    if ((types[i] instanceof SourceType)
                            && (types[i].getParent() instanceof ICompilationUnit)) {
                        IAdaptable a = types[i];
                        if (a != null) {
                            xrefAdapterList.add(a.getAdapter(IXReferenceAdapter.class));
                        }
                    }
                }
            } catch (JavaModelException e) {
            }
        }
    } else {
        IAdaptable a = javaElement;
        if (a != null) {
            xrefAdapterList.add(a.getAdapter(IXReferenceAdapter.class));
        }
    }
    selectedOutsideJavaElement = false;
    return xrefAdapterList;
}