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:at.bestsolution.efxclipse.tooling.ui.wizards.AbstractNewJDTElementWizard.java

License:Open Source License

protected IJavaElement getInitialJavaElement(IStructuredSelection selection) {
    IJavaElement jelem = null;
    if (selection != null && !selection.isEmpty()) {
        Object selectedElement = selection.getFirstElement();
        if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;

            jelem = (IJavaElement) adaptable.getAdapter(IJavaElement.class);
            if (jelem == null || !jelem.exists()) {
                jelem = null;//  www.ja  va  2 s. c  o  m
                IResource resource = (IResource) adaptable.getAdapter(IResource.class);
                if (resource != null && resource.getType() != IResource.ROOT) {
                    while (jelem == null && resource.getType() != IResource.PROJECT) {
                        resource = resource.getParent();
                        jelem = (IJavaElement) resource.getAdapter(IJavaElement.class);
                    }
                    if (jelem == null) {
                        jelem = JavaCore.create(resource); // java project
                    }
                }
            }
        }
    }

    return jelem;
}

From source file:at.bestsolution.javafx.ide.jdt.internal.JavaClassResourceService.java

License:Open Source License

private IJavaElement getInitialJavaElement(IContainer container) {
    IJavaElement jelem = null;
    Object selectedElement = container;
    if (selectedElement instanceof IAdaptable) {
        IAdaptable adaptable = (IAdaptable) selectedElement;

        jelem = (IJavaElement) adaptable.getAdapter(IJavaElement.class);
        if (jelem == null || !jelem.exists()) {
            jelem = null;/*from w ww .j a va2  s  . c o m*/
            IResource resource = (IResource) adaptable.getAdapter(IResource.class);
            if (resource != null && resource.getType() != IResource.ROOT) {
                while (jelem == null && resource.getType() != IResource.PROJECT) {
                    resource = resource.getParent();
                    jelem = (IJavaElement) resource.getAdapter(IJavaElement.class);
                }
                if (jelem == null) {
                    jelem = JavaCore.create(resource); // java project
                }
            }
        }
    }
    return jelem;
}

From source file:bndtools.internal.pkgselection.SearchUtils.java

License:Open Source License

/**
 * @param match/*w ww . j  av  a  2  s  . c  om*/
 * @return the enclosing {@link ICompilationUnit} of the given match, or null iff none
 */
public static ICompilationUnit getCompilationUnit(SearchMatch match) {
    IJavaElement enclosingElement = getEnclosingJavaElement(match);
    if (enclosingElement != null) {
        if (enclosingElement instanceof ICompilationUnit)
            return (ICompilationUnit) enclosingElement;
        ICompilationUnit cu = (ICompilationUnit) enclosingElement.getAncestor(IJavaElement.COMPILATION_UNIT);
        if (cu != null)
            return cu;
    }

    IJavaElement jElement = JavaCore.create(match.getResource());
    if (jElement != null && jElement.exists() && jElement.getElementType() == IJavaElement.COMPILATION_UNIT)
        return (ICompilationUnit) jElement;
    return null;
}

From source file:br.ufmg.dcc.tabuleta.model.io.EclipseHandleConverter.java

License:Open Source License

private IJavaElement attemptTranslation(String pHandle) {
    IJavaElement lInitial = JavaCore.create(pHandle);
    IJavaElement lReturn = lInitial;
    if ((lReturn == null) || !(lReturn.exists())) {
        // Try to adapt handle
        IProject lCurrentProject = Converter.getJavaProject().getProject();
        lReturn = JavaCore.create(adaptHandle(pHandle, lCurrentProject));

        if ((lReturn != null) && (lReturn.exists())) {
            return lReturn;
        } else {/*from   w  ww  .  j  a  v a 2 s . co m*/
            // Try all the dependents
            try {
                IProject[] lReferencedProjects = lCurrentProject.getReferencedProjects();
                for (IProject lChild : lReferencedProjects) {
                    lReturn = JavaCore.create(adaptHandle(pHandle, lChild));
                    if ((lReturn != null) && (lReturn.exists())) {
                        return lReturn;
                    }
                }
            } catch (CoreException lException) {
                lReturn = lInitial;
            }
        }
    }
    return lInitial;
}

From source file:br.ufmg.dcc.tabuleta.views.components.ConcernModelContentProvider.java

License:Open Source License

private Object[] buildDynamicStructure() {
    List<ConcernNode> lReturn = new ArrayList<ConcernNode>();
    for (String lConcernName : aConcernModel.getConcernNames()) {
        Map<Object, IConcernMapperViewNode> lMap = new HashMap<Object, IConcernMapperViewNode>();
        aNodeMap.put(lConcernName, lMap);
        ConcernNode lConcernNode = new ConcernNode(lConcernName);
        lConcernNode.setParent(aConcernModel);
        lReturn.add(lConcernNode);/*from ww w  .  ja  v  a  2  s  .  c o  m*/
        for (Object lConcernElement : aConcernModel.getAllElements(lConcernName)) {
            if (lConcernElement instanceof IJavaElement) {
                IJavaElement lJavaElement = (IJavaElement) lConcernElement;
                if (lJavaElement.exists()) {
                    addToMap(lMap, lJavaElement, lConcernNode);
                } else {
                    if (Tabuleta.getDefault().getPreferenceStore()
                            .getBoolean(ConcernMapperPreferencePage.P_SHOW_INCONSISTENT_ELEMENTS)) {
                        addToMap(lMap, lJavaElement, lConcernNode);
                    }
                }
            }
        }
    }
    return lReturn.toArray();
}

From source file:cideplus.ui.astview.ASTView.java

License:Open Source License

protected void performParseBindingFromElement() {
    InputDialog dialog = new InputDialog(getSite().getShell(), "Parse Binding from Java Element",
            "IJavaElement#getHandleIdentifier():", "", null);
    if (dialog.open() != Window.OK)
        return;//from  w  w  w  .  ja  v a2s  .com

    String handleIdentifier = dialog.getValue();
    IJavaElement handle = JavaCore.create(handleIdentifier);

    Object viewerInput = fViewer.getInput();
    ASTAttribute item;
    if (handle == null) {
        item = new Error(viewerInput, "handleIdentifier not resolved: " + handleIdentifier, null);
    } else if (!handle.exists()) {
        item = new Error(viewerInput, "element does not exist: " + handleIdentifier, null);
    } else if (handle.getJavaProject() == null) {
        item = new Error(viewerInput, "getJavaProject() is null: " + handleIdentifier, null);
    } else {
        IJavaProject project = handle.getJavaProject();
        ASTParser parser = ASTParser.newParser(fCurrentASTLevel);
        parser.setProject(project);
        IBinding[] bindings = parser.createBindings(new IJavaElement[] { handle }, null);
        String name = handleIdentifier + ": " + Binding.getBindingLabel(bindings[0]);
        item = new Binding(viewerInput, name, bindings[0], true);
    }
    fViewer.add(viewerInput, item);
    fViewer.setSelection(new StructuredSelection(item), true);
}

From source file:cn.ieclipse.adt.ext.helpers.ProjectHelper.java

License:Apache License

/**
 * Utility method to inspect a selection to find a Java element.
 * // ww  w.  j  av a2s .c  o  m
 * @param selection
 *            the selection to be inspected
 * @return a Java element to be used as the initial selection, or
 *         <code>null</code>, if no Java element exists in the given
 *         selection
 */
public static IJavaElement getInitialJavaElement(IStructuredSelection selection) {
    IJavaElement jelem = null;
    if (selection != null && !selection.isEmpty()) {
        Object selectedElement = selection.getFirstElement();
        System.out.println(selectedElement.getClass());
        if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;

            jelem = (IJavaElement) adaptable.getAdapter(IJavaElement.class);
            if (jelem == null || !jelem.exists()) {
                jelem = null;
                IResource resource = (IResource) adaptable.getAdapter(IResource.class);
                if (resource != null && resource.getType() != IResource.ROOT) {
                    while (jelem == null && resource.getType() != IResource.PROJECT) {
                        resource = resource.getParent();
                        jelem = (IJavaElement) resource.getAdapter(IJavaElement.class);
                    }
                    if (jelem == null) {
                        jelem = JavaCore.create(resource); // java project
                    }
                }
            }
        }
    }
    return jelem;
}

From source file:cn.ieclipse.aorm.eclipse.helpers.ProjectHelper.java

License:Apache License

/**
 * Utility method to inspect a selection to find a Java element.
 * /*from   ww  w . j  a v a  2 s.co  m*/
 * @param selection
 *            the selection to be inspected
 * @return a Java element to be used as the initial selection, or
 *         <code>null</code>, if no Java element exists in the given
 *         selection
 */
public static IJavaElement getInitialJavaElement(IStructuredSelection selection) {
    IJavaElement jelem = null;
    if (selection != null && !selection.isEmpty()) {
        Object selectedElement = selection.getFirstElement();
        if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;

            jelem = (IJavaElement) adaptable.getAdapter(IJavaElement.class);
            if (jelem == null || !jelem.exists()) {
                jelem = null;
                IResource resource = (IResource) adaptable.getAdapter(IResource.class);
                if (resource != null && resource.getType() != IResource.ROOT) {
                    while (jelem == null && resource.getType() != IResource.PROJECT) {
                        resource = resource.getParent();
                        jelem = (IJavaElement) resource.getAdapter(IJavaElement.class);
                    }
                    if (jelem == null) {
                        jelem = JavaCore.create(resource); // java project
                    }
                }
            }
        }
    }
    return jelem;
}

From source file:coloredide.astview.ASTView.java

License:Open Source License

protected void performCreateBindingFromElement() {
    InputDialog dialog = new InputDialog(getSite().getShell(), "Create Binding from Java Element",
            "IJavaElement#getHandleIdentifier():", "", null);
    if (dialog.open() != Window.OK)
        return;//from w w  w .  ja v a 2  s.c om

    String handleIdentifier = dialog.getValue();
    IJavaElement handle = JavaCore.create(handleIdentifier);

    Object viewerInput = fViewer.getInput();
    ASTAttribute item;
    if (handle == null) {
        item = new Error(viewerInput, "handleIdentifier not resolved: " + handleIdentifier, null);
    } else if (!handle.exists()) {
        item = new Error(viewerInput, "element does not exist: " + handleIdentifier, null);
    } else if (handle.getJavaProject() == null) {
        item = new Error(viewerInput, "getJavaProject() is null: " + handleIdentifier, null);
    } else {
        IJavaProject project = handle.getJavaProject();
        ASTParser parser = ASTParser.newParser(ColoredIDEPlugin.AST_VERSION);
        parser.setProject(project);
        IBinding[] bindings = parser.createBindings(new IJavaElement[] { handle }, null);
        item = new Binding(viewerInput, handleIdentifier, bindings[0], true);
    }
    fViewer.add(viewerInput, item);
    fViewer.setSelection(new StructuredSelection(item), true);
}

From source file:com.android.ide.eclipse.adt.internal.editors.manifest.model.UiPackageAttributeNode.java

License:Open Source License

/**
 * Displays and handles a "Create Package Wizard".
 *
 * This is invoked by doLabelClick() when clicking on the hyperlink label with an
 * empty package text field./*  www . ja  v  a2  s .  c  o  m*/
 */
private void createNewPackage() {
    OpenNewPackageWizardAction action = new OpenNewPackageWizardAction();

    IProject project = getProject();
    action.setSelection(new StructuredSelection(project));
    action.run();

    IJavaElement element = action.getCreatedElement();
    if (element != null && element.exists() && element.getElementType() == IJavaElement.PACKAGE_FRAGMENT) {
        setPackageTextField((IPackageFragment) element);
    }
}