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

Introduction

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

Prototype

IJavaElement getAncestor(int ancestorType);

Source Link

Document

Returns this Java element or the first ancestor of this element that has the given type.

Usage

From source file:org.seasar.s2junit4plugin.wizard.NewS2JUnit4TypeWizardPage.java

License:Apache License

/**
 * Initializes all fields provided by the page with a given selection.
 * /*  w w w .  ja  v  a  2s.  c  om*/
 * @param elem the selection used to initialize this page or <code>
 * null</code> if no selection was available
 */
protected void initTypePage(IJavaElement elem) {
    String initSuperclass = "java.lang.Object"; //$NON-NLS-1$
    ArrayList initSuperinterfaces = new ArrayList(5);

    IJavaProject project = null;
    IPackageFragment pack = null;
    IType enclosingType = null;

    if (elem != null) {
        // evaluate the enclosing type
        project = elem.getJavaProject();
        pack = (IPackageFragment) elem.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
        IType typeInCU = (IType) elem.getAncestor(IJavaElement.TYPE);
        if (typeInCU != null) {
            if (typeInCU.getCompilationUnit() != null) {
                enclosingType = typeInCU;
            }
        } else {
            ICompilationUnit cu = (ICompilationUnit) elem.getAncestor(IJavaElement.COMPILATION_UNIT);
            if (cu != null) {
                enclosingType = cu.findPrimaryType();
            }
        }

        try {
            IType type = null;
            if (elem.getElementType() == IJavaElement.TYPE) {
                type = (IType) elem;
                if (type.exists()) {
                    String superName = S2JUnit4SuperInterfaceSelectionDialog.getNameWithTypeParameters(type);
                    if (type.isInterface()) {
                        initSuperinterfaces.add(superName);
                    } else {
                        initSuperclass = superName;
                    }
                }
            }
        } catch (JavaModelException e) {
            JavaPlugin.log(e);
            // ignore this exception now
        }
    }

    String typeName = ""; //$NON-NLS-1$

    ITextSelection selection = getCurrentTextSelection();
    if (selection != null) {
        String text = selection.getText();
        if (text != null && validateJavaTypeName(text, project).isOK()) {
            typeName = text;
        }
    }

    setPackageFragment(pack, true);
    setEnclosingType(enclosingType, true);
    setEnclosingTypeSelection(false, true);

    setTypeName(typeName, true);
    setSuperClass(initSuperclass, true);
    setSuperInterfaces(initSuperinterfaces, true);

    setAddComments(StubUtility.doAddComments(project), true); // from project or workspace
}

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From source file:org.springframework.ide.eclipse.data.jdt.core.EntityPropertyCompletionProposals.java

License:Open Source License

@Override
public List<ICompletionProposal> computeCompletionProposals(ContentAssistInvocationContext context,
        IProgressMonitor monitor) {/*ww w  . j  a v  a  2s .c  om*/

    if (!(context instanceof JavaContentAssistInvocationContext)) {
        return Collections.emptyList();
    }

    JavaContentAssistInvocationContext javaContext = (JavaContentAssistInvocationContext) context;

    if (!SpringCoreUtils.isSpringProject(javaContext.getProject().getProject())) {
        return Collections.emptyList();
    }

    if (javaContext.getCoreContext() == null) {
        return Collections.emptyList();
    }

    ICompilationUnit cu = javaContext.getCompilationUnit();

    try {
        int invocationOffset = context.getInvocationOffset();
        IJavaElement element = cu.getElementAt(invocationOffset);

        if (element instanceof SourceMethod) {
            return computeCompletionProposals((SourceMethod) element, javaContext);
        } else {
            if (element != null) {
                IType type = (IType) element.getAncestor(IJavaElement.TYPE);
                if (type != null) {
                    return computeCompletionProposals(type, javaContext);
                }
            }
        }

    } catch (JavaModelException e) {

    }

    return Collections.emptyList();
}

---

From source file:org.springframework.tooling.jdt.ls.extension.JavaLocationHandler.java

License:Open Source License

@SuppressWarnings("unchecked")
@Override/*w  ww.jav  a 2 s  .co m*/
public Object executeCommand(String commandId, List<Object> arguments, IProgressMonitor monitor)
        throws Exception {
    Location location = null;
    Map<String, Object> obj = (Map<String, Object>) arguments.get(0);
    String uri = (String) obj.get("projectUri");
    URI projectUri = URI.create(uri);
    String bindingKey = (String) obj.get("bindingKey");
    Boolean lookInOtherProjects = (Boolean) obj.get("lookInOtherProjects");
    IJavaElement element = JavaData.findElement(projectUri, bindingKey, lookInOtherProjects);
    if (element != null) {
        location = JDTUtils.toLocation(element);
        if (location == null) {
            IClassFile cf = (IClassFile) element.getAncestor(IJavaElement.CLASS_FILE);
            if (cf != null) {
                location = JDTUtils.toLocation(cf);
            }
        }
    }
    return location;
}

---

From source file:org.springsource.ide.eclipse.commons.frameworks.ui.internal.utils.SelectionUtils.java

License:Open Source License

public static IType getType(IStructuredSelection selection) {
    try {//from   www. j  a v  a  2  s.c o  m
        Object element = selection.getFirstElement();
        if (element instanceof IJavaElement) {
            IJavaElement javaElement = (IJavaElement) element;
            IType type = (IType) javaElement.getAncestor(IJavaElement.TYPE);
            if (type != null) {
                return type;
            }
            if (javaElement instanceof ICompilationUnit) {
                //Also handle case where a compilatuon unit is selected, in this case, get the
                //first type declared in it.
                ICompilationUnit compUnit = (ICompilationUnit) javaElement;
                IType[] types = compUnit.getAllTypes();
                if (types != null && types.length > 0) {
                    return types[0];
                }
            }
        }
    } catch (Exception e) {
        FrameworkCoreActivator.logError("Error getting Java Type from selection", e);
    }
    return null;
}

---

From source file:org.springsource.ide.eclipse.commons.frameworks.ui.internal.utils.SelectionUtils.java

License:Open Source License

private static IPackageFragment getPackageFragment(IJavaElement element) {
    return (IPackageFragment) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
}

---

From source file:org.summer.dsl.model.ui.navigation.LinkToOriginDetector.java

License:Open Source License

public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region,
        boolean canShowMultipleHyperlinks) {
    try {/*from w w  w .  java  2  s  .  co m*/
        // very pessimistic guards - most things should never happen
        ITextEditor textEditor = (ITextEditor) getAdapter(ITextEditor.class);
        if (textEditor == null)
            return null;
        IEditorInput editorInput = textEditor.getEditorInput();
        if (editorInput == null)
            return null;
        IJavaElement adaptedJavaElement = (IJavaElement) Platform.getAdapterManager().getAdapter(editorInput,
                IJavaElement.class);
        if (adaptedJavaElement == null)
            return null;
        ICompilationUnit compilationUnit = (ICompilationUnit) adaptedJavaElement
                .getAncestor(IJavaElement.COMPILATION_UNIT);
        if (compilationUnit == null)
            return null;
        try {
            IRegion selectedWord = org.eclipse.jdt.internal.ui.text.JavaWordFinder
                    .findWord(textViewer.getDocument(), region.getOffset());
            // the actual implementation - find the referenced Java type under the cursor and link
            // to its origin if it's contained in a 'derived' resource
            IJavaElement[] javaElements = compilationUnit.codeSelect(selectedWord.getOffset(),
                    selectedWord.getLength());
            for (IJavaElement javaElement : javaElements) {
                /**
                 * if IDE 3.8 is available the default 'Open Declaration' navigation will already open the original editor
                 * So we don't need the additional hyperlinks.
                 */
                boolean provideHyperlinkOnReferences = !is_ORG_ECLIPSE_UI_IDE_3_8_Enabled()
                        || compilationUnit.equals(((IMember) javaElement).getCompilationUnit());
                if (javaElement instanceof IMember && provideHyperlinkOnReferences) {
                    IMember selectedMember = (IMember) javaElement;
                    IResource resource = selectedMember.getResource();
                    if (resource instanceof IFile) {
                        ITrace traceToSource = traceInformation.getTraceToSource((IStorage) resource);
                        if (traceToSource == null) {
                            return null;
                        }
                        Iterable<ILocationInResource> sourceInformation = traceToSource
                                .getAllAssociatedLocations(
                                        new TextRegion(selectedWord.getOffset(), selectedWord.getLength()));
                        List<ILocationInResource> sourceInformationAsList = Lists
                                .newArrayList(sourceInformation);
                        if (!canShowMultipleHyperlinks && sourceInformationAsList.size() > 1)
                            return null;
                        List<LinkToOrigin> result = Lists
                                .newArrayListWithCapacity(sourceInformationAsList.size());
                        for (ILocationInResource source : sourceInformationAsList) {
                            try {
                                URI resourceURI = source.getAbsoluteResourceURI();
                                if (resourceURI != null) {
                                    IResourceServiceProvider serviceProvider = serviceProviderRegistry
                                            .getResourceServiceProvider(resourceURI);
                                    if (serviceProvider == null)
                                        return null;
                                    LinkToOriginProvider provider = serviceProvider
                                            .get(LinkToOriginProvider.class);
                                    LinkToOrigin hyperlink = provider.createLinkToOrigin(source, selectedWord,
                                            selectedMember, compilationUnit, result);
                                    if (hyperlink != null) {
                                        result.add(hyperlink);
                                    }
                                }
                            } catch (IllegalArgumentException e) {
                                /* invalid URI - ignore */ }
                        }
                        if (result.isEmpty())
                            return null;
                        return result.toArray(new IHyperlink[result.size()]);
                    }
                }
            }
            return null;
        } catch (JavaModelException e) {
            return null;
        }
    } catch (Throwable t) {
        return null;
    }
}

---

From source file:org.switchyard.tools.ui.wizards.NewBeanServiceClassWizardPage.java

License:Open Source License

/**
 * @param selection the current selection
 *///w  w w  .  j  a va2  s .c  o m
public void init(IStructuredSelection selection) {
    IJavaElement elem = getInitialJavaElement(selection);
    ICompilationUnit cu = elem == null ? null
            : (ICompilationUnit) elem.getAncestor(IJavaElement.COMPILATION_UNIT);
    if (cu != null) {
        elem = cu.findPrimaryType();
    }
    initContainerPage(getInitialContainerElement(selection, elem));
    initTypePage(elem);
    List<String> superInterfaces = getSuperInterfaces();
    if (superInterfaces.size() > 0) {
        initServiceInterface(superInterfaces.get(0));
    }
    setModifiers(Flags.AccPublic, false);
    _createTestClassButton.setSelection(false);
    doStatusUpdate();
}

---

From source file:org.switchyard.tools.ui.wizards.NewServiceTestClassWizardPage.java

License:Open Source License

/**
 * @param selection the current selection
 *//*  ww  w.j  a v a  2  s . com*/
public void init(IStructuredSelection selection) {
    IJavaElement elem = getInitialJavaElement(selection);
    ICompilationUnit cu = elem == null ? null
            : (ICompilationUnit) elem.getAncestor(IJavaElement.COMPILATION_UNIT);
    if (cu != null) {
        elem = cu.findPrimaryType();
    }
    initContainerPage(getInitialContainerElement(selection, elem));
    initTypePage(elem);
    // clear out super types
    setSuperClass("", true); //$NON-NLS-1$
    setSuperInterfaces(Collections.<String>emptyList(), true);
    setModifiers(Flags.AccPublic, false);
    if (getTypeName().length() == 0) {
        String simpleServiceInterfaceName = getSimpleServiceInterfaceName();
        if (simpleServiceInterfaceName.length() > 0) {
            _oldTypeName = createDefaultClassName();
            setTypeName(_oldTypeName, true);
        }
    }
    if (_mavenProjectFacade != null) {
        IPath[] testSourcePaths = _mavenProjectFacade.getTestCompileSourceLocations();
        if (testSourcePaths != null && testSourcePaths.length > 0) {
            setPackageFragmentRoot(
                    getJavaProject().getPackageFragmentRoot(_project.getFolder(testSourcePaths[0])), true);
        }
    }
    setSuperInterfaces(Collections.<String>emptyList(), false);
    doStatusUpdate();
}

---

From source file:x10dt.ui.wizards.NewX10PackageWizardPage.java

License:Open Source License

/**
 * The wizard owning this page is responsible for calling this method with the current selection. The selection is used to
 * initialize the fields of the wizard page.
 * /*from   ww  w  .  j a  v a 2s . c  om*/
 * @param selection
 *          used to initialize the fields
 */
public void init(IStructuredSelection selection) {
    IJavaElement jelem = getInitialJavaElement(selection);

    initContainerPage(jelem);
    String pName = ""; //$NON-NLS-1$
    if (jelem != null) {
        IPackageFragment pf = (IPackageFragment) jelem.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
        if (pf != null && !pf.isDefaultPackage())
            pName = pf.getElementName();
    }
    setPackageText(pName, true);
    updateStatus(new IStatus[] { fContainerStatus, fPackageStatus });
}

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