Examples of org.eclipse.jdt.core.IJavaElement

org.eclipse.jdt.core.IJavaElement
Common protocol for all elements provided by the Java model. Java model elements are exposed to clients as handles to the actual underlying element. The Java model may hand out any number of handles for each element. Handles that refer to the same element are guaranteed to be equal, but not necessarily identical.
Methods annotated as "handle-only" do not require underlying elements to exist. Methods that require underlying elements to exist throw a JavaModelException when an underlying element is missing. JavaModelException.isDoesNotExist can be used to recognize this common special case.
@noimplement This interface is not intended to be implemented by clients.

                    ICompilationUnit.NO_AST,
                    false /* don't force problem detection */,
                    null /* use primary owner */,
                    null /* no progress monitor */);
            }
            IJavaElement ref = workingCopy.getElementAt(selection.getOffset());
            if (ref != null) {
                return ref;
            }
        } else if (input instanceof IClassFile) {
            IClassFile iClass = (IClassFile) input;
            IJavaElement ref = iClass.getElementAt(selection.getOffset());
            if (ref != null) {
                // If we are in the inner class, try to refine search result now
                if(ref instanceof IType){
                    IType type = (IType) ref;
                    IClassFile classFile = type.getClassFile();

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    /**
     * @param javaElement
     * @return null, if javaElement is top level class
     */
    private static IType getFirstAncestor(IJavaElement javaElement) {
        IJavaElement parent = javaElement;
        if (javaElement.getElementType() == IJavaElement.TYPE) {
            parent = javaElement.getParent();
        }
        if (parent != null) {
            return (IType) parent.getAncestor(IJavaElement.TYPE);
        }
        return null;
    }

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        return null;
    }


    private static IJavaElement getLastAncestor(IJavaElement javaElement,
        int elementType) {
        IJavaElement lastFound = null;
        if (elementType == javaElement.getElementType()) {
            lastFound = javaElement;
        }
        IJavaElement parent = javaElement.getParent();
        if (parent == null) {
            return lastFound;
        }
        IJavaElement ancestor = parent.getAncestor(elementType);
        if (ancestor != null) {
            return getLastAncestor(ancestor, elementType);
        }
        return lastFound;
    }

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    private static int getTopAncestorDistance(IJavaElement javaElement,
        IJavaElement topAncestor) {
        if (topAncestor == javaElement) {
            return 0;
        }
        IJavaElement ancestor = getFirstAncestor(javaElement);
        if (ancestor != null) {
            return 1 + getTopAncestorDistance(ancestor, topAncestor);
        }
        // this is not possible, if ancestor exist - which return value we should use?
        return -1;

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        IJavaElement topAncestor) {
        if (javaElement.getElementType() == IJavaElement.TYPE
            && !isAnonymousType(javaElement)) {
            return javaElement;
        }
        IJavaElement parent = javaElement.getParent();
        if (parent == null) {
            return topAncestor;
        }
        IJavaElement ancestor = parent.getAncestor(IJavaElement.TYPE);
        if (ancestor != null) {
            return getFirstNonAnonymous(ancestor, topAncestor);
        }
        return topAncestor;
    }

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     */
    private static boolean isAnyParentLocal(IJavaElement elt, IJavaElement topParent) {
        if(isLocal(elt)){
            return true;
        }
        IJavaElement parent = elt.getParent();
        while(parent != null && parent != topParent){
            if(isLocal(parent)){
                return true;
            }
            parent = parent.getParent();
        }
        return false;
    }

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    /**
     * @param innerType should be inner type.
     * @return true, if given element is a type defined in the initializer block
     */
    private static boolean isFromInitBlock(IType type) {
        IJavaElement ancestor = type.getAncestor(IJavaElement.INITIALIZER);
        return ancestor != null;
    }

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            packagePath = getPackageOutputPath(javaElement);
        } catch (JavaModelException e) {
            BytecodeOutlinePlugin.log(e, IStatus.ERROR);
            return "";
        }
        IJavaElement ancestor = getLastAncestor(javaElement, IJavaElement.TYPE);
        StringBuffer sb = new StringBuffer(packagePath);
        sb.append(File.separator);
        sb.append(getClassName(javaElement, ancestor));
        sb.append(".class"); //$NON-NLS-1$
        return sb.toString();

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            .getAncestor(IJavaElement.CLASS_FILE);
        InputStream is = null;


        // existing read-only class files
        if (classFile != null) {
            IJavaElement jarParent = classFile.getParent();
            // TODO dirty hack to be sure, that package is from jar -
            // because JarPackageFragment is not public class, we cannot
            // use instanceof here
            boolean isJar = jarParent != null
                && jarParent.getClass().getName()
                    .endsWith("JarPackageFragment"); //$NON-NLS-1$
            if (isJar) {
                is = createStreamFromJar(classFile);
            } else {
                is = createStreamFromClass(classFile);

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     */
    private static void collectAllAnonymous(List list, IParent parent,
        boolean allowNested) throws JavaModelException {
        IJavaElement[] children = parent.getChildren();
        for (int i = 0; i < children.length; i++) {
            IJavaElement childElem = children[i];
            if (isAnonymousType(childElem)) {
                list.add(childElem);
            }
            if (childElem instanceof IParent) {
                if(allowNested || !(childElem instanceof IType)) {

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