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

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

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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:com.google.gdt.eclipse.designer.smart.actions.SmartGwtPropertyTester.java

License:Open Source License

/**
 * Tests property, can throw {@link Exception}.
 *//*from   w ww.j  a v  a2 s.  co  m*/
private static boolean testEx(Object receiver, String property) throws Exception {
    // prepare IJavaElement
    final IJavaElement element;
    if (receiver instanceof IAdaptable) {
        element = (IJavaElement) ((IAdaptable) receiver).getAdapter(IJavaElement.class);
    } else {
        element = null;
    }
    // Java tests
    {
        // prepare java element
        if (element == null || !element.exists()) {
            return false;
        }
        // do tests
        if (PROPERTY_IS_CONFIGURED.equals(property)) {
            IJavaProject javaProject = element.getJavaProject();
            boolean hasJar = javaProject.findType("com.smartgwt.client.widgets.BaseWidget") != null;
            if (hasJar) {
                IJavaElement pkg = element.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
                if (pkg != null) {
                    IResource resource = pkg.getUnderlyingResource();
                    ModuleDescription module = Utils.getSingleModule(resource);
                    return module != null && Utils.inheritsModule(module, "com.smartgwt.SmartGwt");
                }
            }
            return false;
        }
    }
    // unknown property
    throw new IllegalArgumentException(
            MessageFormat.format("Illegal property '{0}' for '{1}'.", property, receiver));
}

From source file:com.google.gdt.eclipse.designer.wizards.model.mvp.ViewWizard.java

License:Open Source License

public void init(IWorkbench workbench, IStructuredSelection selection) {
    try {//from  www.  ja v a  2s  .  c  o m
        Object selectedObject = selection.getFirstElement();
        if (selectedObject instanceof IJavaElement) {
            IJavaElement element = (IJavaElement) selectedObject;
            initialPkg = (IPackageFragment) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
        }
    } catch (Throwable e) {
        DesignerPlugin.log(e);
    }
}

From source file:com.google.gdt.eclipse.designer.wizards.model.service.ServiceWizard.java

License:Open Source License

public void init(IWorkbench workbench, IStructuredSelection selection) {
    if (selection != null) {
        Object selectedObject = selection.getFirstElement();
        // convert resource to Java model object
        if (selectedObject instanceof IResource) {
            IResource resource = (IResource) selectedObject;
            selectedObject = JavaCore.create(resource);
        }/*  w  w  w  .j a v a  2s  .c om*/
        // prepare selected package
        if (selectedObject instanceof IJavaElement) {
            IJavaElement selectedJavaElement = (IJavaElement) selectedObject;
            m_selectedPackage = (IPackageFragment) selectedJavaElement
                    .getAncestor(IJavaElement.PACKAGE_FRAGMENT);
        } else {
            m_selectedPackage = null;
        }
    }
}

From source file:com.google.gdt.eclipse.designer.wizards.ui.JUnitWizardPage.java

License:Open Source License

private void handleSelectClassUnderTest(IJavaElement element) {
    try {//from w  ww. j a  v a2s . com
        if (element == null || !element.exists() || element.getJavaProject() == null) {
            setErrorState();
        } else {
            IJavaProject javaProject = element.getJavaProject();
            if (Utils.isGWTProject(javaProject)) {
                IPackageFragmentRoot testSourceFragmentRoot = handleTestSourceFolder(javaProject);
                IPackageFragment elementPackage = handleTestPackage(element, testSourceFragmentRoot);
                // handle class under test
                IType classUnderTestType = (IType) element.getAncestor(IJavaElement.TYPE);
                if (classUnderTestType == null) {
                    ICompilationUnit compilationUnit = (ICompilationUnit) element
                            .getAncestor(IJavaElement.COMPILATION_UNIT);
                    if (compilationUnit != null) {
                        classUnderTestType = compilationUnit.findPrimaryType();
                    }
                }
                if (classUnderTestType == null) {
                    setErrorState();
                } else {
                    m_classUnderTestField.setText(classUnderTestType.getFullyQualifiedName());
                    setTypeName(classUnderTestType.getElementName() + "Test", true);
                    m_classUnderTestStatus = new Status(IStatus.OK, Activator.PLUGIN_ID, IStatus.OK, null,
                            null);
                    //
                    ModuleDescription module = Utils.getSingleModule(elementPackage);
                    if (module == null) {
                        setErrorState(
                                "GWT module for " + classUnderTestType.getFullyQualifiedName() + " not found.");
                    } else {
                        m_moduleId = module.getId();
                    }
                }
            } else {
                setErrorState();
            }
        }
    } catch (Throwable e) {
        DesignerPlugin.log(e);
        setErrorState("InternalError: " + e.getMessage());
    } finally {
        doStatusUpdate();
    }
}

From source file:com.google.gdt.eclipse.designer.wizards.ui.JUnitWizardPage.java

License:Open Source License

private IPackageFragment handleTestPackage(IJavaElement element, IPackageFragmentRoot testSourceFragmentRoot)
        throws Exception {
    IPackageFragment testPackage = null;
    IPackageFragment elementPackage = (IPackageFragment) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
    if (elementPackage != null) {
        testPackage = testSourceFragmentRoot.getPackageFragment(elementPackage.getElementName());
        if (testPackage == null || !testPackage.exists()) {
            testPackage = testSourceFragmentRoot.createPackageFragment(elementPackage.getElementName(), true,
                    null);/* w w w .  ja va2s .co m*/
        }
    }
    //
    setPackageFragment(testPackage, true);
    return elementPackage;
}

From source file:com.google.gwt.eclipse.core.wizards.NewModuleWizardPage.java

License:Open Source License

protected void initModulePage(IStructuredSelection selection) {
    IJavaElement jelem = getInitialJavaElement(selection);

    initContainerPage(jelem);//from  w ww  . j  a  v  a  2  s. com

    String pName = "";
    if (jelem != null) {
        IPackageFragment pf = (IPackageFragment) jelem.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
        if (pf != null) {
            pName = pf.getElementName();
        }
    }

    modulePackageField.setText(pName);

    modulePackageCompletionProcessor.setPackageFragmentRoot(getPackageFragmentRoot());

    moduleCreateElementsCheckboxes.setSelection(CLIENT_PACKAGE_CHECKBOX_GROUP_INDEX, true);
    moduleCreateElementsCheckboxes.setSelection(PUBLIC_PATH_CHECKBOX_GROUP_INDEX, true);

    doFieldChange(CONTAINER, null);
}

From source file:com.google.inject.tools.ideplugin.eclipse.EclipseJavaElement.java

License:Apache License

private String getType(IJavaElement element, String signature) {
    try {/*from ww w  . j a v a  2 s  .c o  m*/
        IType type = null;
        ICompilationUnit compilationUnit = (ICompilationUnit) element
                .getAncestor(IJavaElement.COMPILATION_UNIT);
        if (compilationUnit != null) {
            type = compilationUnit.getAllTypes()[0];

        } else {
            IClassFile classFile = (IClassFile) element.getAncestor(IJavaElement.CLASS_FILE);
            if (classFile != null) {
                type = classFile.getType();
            }
        }
        String resolvedSignature = TypeUtil.resolveTypeSignature(type, signature, false);
        String className = getClassNameFromResolvedSignature(resolvedSignature);
        return className;
    } catch (Throwable e) {
        return null;
    }
}

From source file:com.iw.plugins.spindle.ui.wizards.factories.ClassFactory.java

License:Mozilla Public License

/**
 * Examines a string and returns the first line delimiter found.
 *//*from   w  ww.  j  a  va  2s  . co m*/
public static String getLineDelimiterUsed(IJavaElement elem) throws JavaModelException {
    ICompilationUnit cu = (ICompilationUnit) elem.getAncestor(IJavaElement.COMPILATION_UNIT);
    if (cu != null && cu.exists()) {
        IBuffer buf = cu.getBuffer();
        int length = buf.getLength();
        for (int i = 0; i < length; i++) {
            char ch = buf.getChar(i);
            if (ch == SWT.CR) {
                if (i + 1 < length) {
                    if (buf.getChar(i + 1) == SWT.LF) {
                        return "\r\n"; //$NON-NLS-1$
                    }
                }
                return "\r"; //$NON-NLS-1$
            } else if (ch == SWT.LF) {
                return "\n"; //$NON-NLS-1$
            }
        }
    }
    return System.getProperty("line.separator", "\n");
}

From source file:com.microsoft.javapkgsrv.JavaElementLabelComposer.java

License:Open Source License

/**
 * Appends the label for a Java element with the flags as defined by this class.
 *
 * @param element the element to render//www  .ja  v a 2 s.c o  m
 * @param flags the rendering flags.
 */
public void appendElementLabel(IJavaElement element, long flags) {
    int type = element.getElementType();
    IPackageFragmentRoot root = null;

    if (type != IJavaElement.JAVA_MODEL && type != IJavaElement.JAVA_PROJECT
            && type != IJavaElement.PACKAGE_FRAGMENT_ROOT)
        root = (IPackageFragmentRoot) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
    if (root != null && getFlag(flags, PREPEND_ROOT_PATH)) {
        appendPackageFragmentRootLabel(root, ROOT_QUALIFIED);
        fBuffer.append(CONCAT_STRING);
    }

    switch (type) {
    case IJavaElement.METHOD:
        appendMethodLabel((IMethod) element, flags);
        break;
    case IJavaElement.FIELD:
        appendFieldLabel((IField) element, flags);
        break;
    case IJavaElement.LOCAL_VARIABLE:
        appendLocalVariableLabel((ILocalVariable) element, flags);
        break;
    case IJavaElement.TYPE_PARAMETER:
        appendTypeParameterLabel((ITypeParameter) element, flags);
        break;
    case IJavaElement.INITIALIZER:
        appendInitializerLabel((IInitializer) element, flags);
        break;
    case IJavaElement.TYPE:
        appendTypeLabel((IType) element, flags);
        break;
    case IJavaElement.CLASS_FILE:
        appendClassFileLabel((IClassFile) element, flags);
        break;
    case IJavaElement.COMPILATION_UNIT:
        appendCompilationUnitLabel((ICompilationUnit) element, flags);
        break;
    case IJavaElement.PACKAGE_FRAGMENT:
        appendPackageFragmentLabel((IPackageFragment) element, flags);
        break;
    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
        appendPackageFragmentRootLabel((IPackageFragmentRoot) element, flags);
        break;
    case IJavaElement.IMPORT_CONTAINER:
    case IJavaElement.IMPORT_DECLARATION:
    case IJavaElement.PACKAGE_DECLARATION:
        appendDeclarationLabel(element, flags);
        break;
    case IJavaElement.JAVA_PROJECT:
    case IJavaElement.JAVA_MODEL:
        fBuffer.append(element.getElementName());
        break;
    default:
        fBuffer.append(element.getElementName());
    }

    if (root != null && getFlag(flags, APPEND_ROOT_PATH)) {
        int offset = fBuffer.length();
        fBuffer.append(CONCAT_STRING);
        appendPackageFragmentRootLabel(root, ROOT_QUALIFIED);
    }
}

From source file:com.siteview.mde.internal.core.JavaElementChangeListener.java

License:Open Source License

private void updateTable(IJavaElement element) {
    IJavaProject jProject = (IJavaProject) element.getAncestor(IJavaElement.JAVA_PROJECT);
    if (jProject != null) {
        IProject project = jProject.getProject();
        IMonitorModelBase model = MonitorRegistry.findModel(project);
        if (model != null) {
            String id = model.getMonitorBase().getId();
            if (id != null)
                fTable.put(id, Long.toString(System.currentTimeMillis()));
        }/*from   w w w.j  a  va 2  s  .  c o m*/
    }
}