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

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.core.tests.codeselect.AbstractITDAwareCodeSelectionTests.java

License:Open Source License

protected void validateCodeSelect(ICompilationUnit unit, IRegion region, String expectedSrcFile,
        String expectedSignature) throws Exception {
    IJavaElement[] result = unit.codeSelect(region.getOffset(), region.getLength());
    assertEquals("Should have found exactly one hyperlink", 1, result.length);
    IJavaElement elt = result[0];
    assertTrue("Java element " + elt.getHandleIdentifier() + " should exist", elt.exists());
    String actualSrcFile = elt.getResource().getFullPath().toString();
    assertTrue("Element found is in the wrong source file:\n" + "   expected: " + expectedSrcFile + "\n"
            + "   found:    " + actualSrcFile, actualSrcFile.endsWith(expectedSrcFile));
    assertEquals("Element found has wrong signature", expectedSignature, getSignature(elt));
}

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From source file:org.eclipse.ajdt.core.tests.model.InpathRelationshipsTests.java

License:Open Source License

public void testInPathRelationshipsNonDefault() throws Exception {
    IFile file = target.getFile("src/snippet/AdvisesLinked.aj");
    AJCompilationUnit unit = (AJCompilationUnit) AspectJCore.create(file);
    Set /*IType*/ targetTypes = gatherTargetTypesNonDefault();
    Map relationships = model.getRelationshipsForFile(unit);
    assertEquals("Should have found 15 relationships in the compilation unit", 15, relationships.size());
    for (Iterator allRelsIter = relationships.values().iterator(); allRelsIter.hasNext();) {
        List rels = (List) allRelsIter.next();
        for (Iterator relsIter = rels.iterator(); relsIter.hasNext();) {
            IRelationship rel = (IRelationship) relsIter.next();
            for (Iterator targetIter = rel.getTargets().iterator(); targetIter.hasNext();) {
                String targetHandle = (String) targetIter.next();
                IJavaElement elt = model.programElementToJavaElement(targetHandle);
                assertTrue("Java element should exist: " + elt.getHandleIdentifier(), elt.exists());
                targetTypes.remove(elt);
            }//w w w. j av a  2  s  . c o m
        }
    }

    assertTrue("The following types should have been a target of an ITD:\n" + printTargetTypes(targetTypes),
            targetTypes.size() == 0);
}

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From source file:org.eclipse.ajdt.core.tests.model.InpathRelationshipsTests.java

License:Open Source License

public void testInPathRelationshipsDefault() throws Exception {
    IFile file = target.getFile("src/AdvisesLinkedDefault.aj");
    AJCompilationUnit unit = (AJCompilationUnit) AspectJCore.create(file);
    Set /*IType*/ targetTypes = gatherTargetTypesDefault();
    Map relationships = model.getRelationshipsForFile(unit);
    assertEquals("Should have found 15 relationships in the compilation unit", 15, relationships.size());
    for (Iterator allRelsIter = relationships.values().iterator(); allRelsIter.hasNext();) {
        List rels = (List) allRelsIter.next();
        for (Iterator relsIter = rels.iterator(); relsIter.hasNext();) {
            IRelationship rel = (IRelationship) relsIter.next();
            for (Iterator targetIter = rel.getTargets().iterator(); targetIter.hasNext();) {
                String targetHandle = (String) targetIter.next();
                IJavaElement elt = model.programElementToJavaElement(targetHandle);
                assertTrue("Java element should exist: " + elt.getHandleIdentifier(), elt.exists());
                targetTypes.remove(elt);
            }//from ww w  . ja v  a 2  s.  c  om
        }
    }

    assertTrue("The following types should have been a target of an ITD:\n" + printTargetTypes(targetTypes),
            targetTypes.size() == 0);
}

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From source file:org.eclipse.ajdt.core.tests.model.MultipleProjectModelTests.java

License:Open Source License

private void roundTripCheck(IType otherType, IJavaElement orig) throws JavaModelException {
    assertTrue("Should exist: " + orig.getHandleIdentifier(), orig.exists());
    assertEquals(otherType, orig.getParent());
    assertTrue("" + orig + " should be a child of " + otherType, isAChildOf(otherType, orig));

    IProgramElement ipe = model.javaElementToProgramElement(orig);
    assertNotSame(IHierarchy.NO_STRUCTURE, ipe);

    orig = model.programElementToJavaElement(ipe);
    assertTrue("Should exist: " + orig.getHandleIdentifier(), orig.exists());
    assertEquals(otherType, orig.getParent());
    assertTrue("" + orig + " should be a child of " + otherType, isAChildOf(otherType, orig));
}

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From source file:org.eclipse.ajdt.core.tests.problemfinding.ITITProblemFinderTests.java

License:Apache License

protected void checkModel() throws JavaModelException {
    AJProjectModelFacade model = AJProjectModelFactory.getInstance().getModelForJavaElement(proj);
    IType cityType = proj.findType("p.City");
    List<IJavaElement> rels = model.getRelationshipsForElement(cityType,
            AJRelationshipManager.ASPECT_DECLARATIONS, false);
    assertEquals("Should have found exactly one relationship to target type\n" + rels, 1, rels.size());
    IJavaElement elt = rels.get(0);
    assertTrue("Relationship should be to a type " + elt, elt instanceof IType);
    assertTrue("Element should exist " + elt, elt.exists());
    assertEquals("wrong name for element", "Keys", elt.getElementName());

    rels = model.getRelationshipsForElement(elt, AJRelationshipManager.DECLARED_ON, false);
    assertEquals("Should have found exactly one relationship to target type\n" + rels, 1, rels.size());
    assertEquals(cityType, rels.get(0));

    assertEquals("Should have exactly 2 relationships in the entire project", 2,
            model.getRelationshipsForProject(AJRelationshipManager.getAllRelationshipTypes()).size());
}

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From source file:org.eclipse.ajdt.internal.corext.util.OpenTypeHistory.java

License:Open Source License

private long getContainerTimestamp(TypeNameMatch match) {
    try {//from  ww w.  ja  v  a 2  s.  c om
        IType type = match.getType();
        IResource resource = type.getResource();
        if (resource != null) {
            URI location = resource.getLocationURI();
            if (location != null) {
                IFileInfo info = EFS.getStore(location).fetchInfo();
                if (info.exists()) {
                    // The element could be removed from the build path. So check
                    // if the Java element still exists.
                    IJavaElement element = JavaCore.create(resource);
                    if (element != null && element.exists())
                        return info.getLastModified();
                }
            }
        } else { // external JAR
            IPackageFragmentRoot root = match.getPackageFragmentRoot();
            IFileInfo info = EFS.getLocalFileSystem().getStore(root.getPath()).fetchInfo();
            if (info.exists()) {
                return info.getLastModified();
            }
        }
    } catch (CoreException e) {
        // Fall through
    }
    return IResource.NULL_STAMP;
}

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From source file:org.eclipse.ajdt.internal.ui.editor.actions.AJOrganizeImportsAction.java

License:Open Source License

private ICompilationUnit[] getCompilationUnits(IStructuredSelection selection) {
    HashSet result = new HashSet();
    Object[] selected = selection.toArray();
    for (int i = 0; i < selected.length; i++) {
        try {//w w w . j a  v  a 2s . co m
            if (selected[i] instanceof IJavaElement) {
                IJavaElement elem = (IJavaElement) selected[i];
                if (elem.exists()) {

                    switch (elem.getElementType()) {
                    case IJavaElement.TYPE:
                        if (elem.getParent().getElementType() == IJavaElement.COMPILATION_UNIT) {
                            result.add(elem.getParent());
                        }
                        break;
                    case IJavaElement.COMPILATION_UNIT:
                        result.add(elem);
                        break;
                    case IJavaElement.IMPORT_CONTAINER:
                        result.add(elem.getParent());
                        break;
                    case IJavaElement.PACKAGE_FRAGMENT:
                        collectCompilationUnits((IPackageFragment) elem, result);
                        break;
                    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
                        collectCompilationUnits((IPackageFragmentRoot) elem, result);
                        break;
                    case IJavaElement.JAVA_PROJECT:
                        IPackageFragmentRoot[] roots = ((IJavaProject) elem).getPackageFragmentRoots();
                        for (int k = 0; k < roots.length; k++) {
                            collectCompilationUnits(roots[k], result);
                        }
                        break;
                    }
                }
            } else if (selected[i] instanceof LogicalPackage) {
                IPackageFragment[] packageFragments = ((LogicalPackage) selected[i]).getFragments();
                for (int k = 0; k < packageFragments.length; k++) {
                    IPackageFragment pack = packageFragments[k];
                    if (pack.exists()) {
                        collectCompilationUnits(pack, result);
                    }
                }
            }
        } catch (JavaModelException e) {
            if (JavaModelUtil.isExceptionToBeLogged(e))
                JavaPlugin.log(e);
        }
    }
    return (ICompilationUnit[]) result.toArray(new ICompilationUnit[result.size()]);
}

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From source file:org.eclipse.ajdt.internal.ui.editor.actions.AJOrganizeImportsAction.java

License:Open Source License

private boolean isEnabled(IStructuredSelection selection) {
    Object[] selected = selection.toArray();
    for (int i = 0; i < selected.length; i++) {
        try {//from   w  w w  . j a  v a  2 s  .c o m
            if (selected[i] instanceof IJavaElement) {
                IJavaElement elem = (IJavaElement) selected[i];
                if (elem.exists()) {
                    switch (elem.getElementType()) {
                    case IJavaElement.TYPE:
                        return elem.getParent().getElementType() == IJavaElement.COMPILATION_UNIT; // for browsing perspective
                    case IJavaElement.COMPILATION_UNIT:
                        return true;
                    case IJavaElement.IMPORT_CONTAINER:
                        return true;
                    case IJavaElement.PACKAGE_FRAGMENT:
                    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
                        IPackageFragmentRoot root = (IPackageFragmentRoot) elem
                                .getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
                        return (root.getKind() == IPackageFragmentRoot.K_SOURCE);
                    case IJavaElement.JAVA_PROJECT:
                        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=65638
                        return true;
                    }
                }
            } else if (selected[i] instanceof LogicalPackage) {
                return true;
            }
        } catch (JavaModelException e) {
            if (!e.isDoesNotExist()) {
                JavaPlugin.log(e);
            }
        }
    }
    return false;
}

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From source file:org.eclipse.ajdt.internal.ui.markers.UpdateAJMarkers.java

License:Open Source License

private void addMarkersForFiles(IProgressMonitor monitor) {
    SubProgressMonitor subMonitor = new SubProgressMonitor(monitor, sourceFiles.length);
    for (int i = 0; i < sourceFiles.length; i++) {
        IJavaElement unit = JavaCore.create(sourceFiles[i]);
        if (unit != null && unit.exists() && unit instanceof ICompilationUnit) {
            subMonitor.subTask("Add markers for " + unit.getElementName());
            addMarkersForFile((ICompilationUnit) unit, sourceFiles[i]);
            fileCount++;//from   w w  w .  j a  v a2  s  .  co  m
        }
        if (subMonitor.isCanceled()) {
            throw new OperationCanceledException();
        }
        subMonitor.worked(1);
    }
}

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From source file:org.eclipse.ajdt.internal.ui.refactoring.ITDRenameRefactoringProcessor.java

License:Open Source License

private RefactoringStatus initialize(JavaRefactoringArguments extended) {
    final String handle = extended.getAttribute(JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT);
    if (handle != null) {
        final IJavaElement element = JavaRefactoringDescriptorUtil.handleToElement(extended.getProject(),
                handle, false);/*from   w  w w. j  a va2s.  c o m*/
        if (element == null || !element.exists() || !(element instanceof IntertypeElement)) {
            return JavaRefactoringDescriptorUtil.createInputFatalStatus(element, getProcessorName(),
                    IJavaRefactorings.RENAME_FIELD);
        } else {
            itd = (IntertypeElement) element;
        }
    } else {
        return RefactoringStatus.createFatalErrorStatus(
                Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
                        JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT));
    }
    final String name = extended.getAttribute(JavaRefactoringDescriptorUtil.ATTRIBUTE_NAME);
    if (name != null && !"".equals(name)) { //$NON-NLS-1$
        setNewElementName(name);
    } else {
        return RefactoringStatus.createFatalErrorStatus(
                Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
                        JavaRefactoringDescriptorUtil.ATTRIBUTE_NAME));
    }
    final String references = extended.getAttribute(JavaRefactoringDescriptorUtil.ATTRIBUTE_REFERENCES);
    if (references != null) {
        updateReferences = Boolean.valueOf(references).booleanValue();
    } else {
        return RefactoringStatus.createFatalErrorStatus(
                Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
                        JavaRefactoringDescriptorUtil.ATTRIBUTE_REFERENCES));
    }
    return new RefactoringStatus();
}

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