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

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

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Introduction

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

Prototype

String getElementName();

Source Link

Document

Returns the name of this element.

Usage

From source file:org.eclipse.linuxtools.changelog.parsers.java.JavaParser.java

License:Open Source License

/**
 * @see IParserChangeLogContrib#parseCurrentFunction(IEditorPart)
 *//*from w ww.j  a  va2  s.c om*/
public String parseCurrentFunction(IEditorInput input, int offset) throws CoreException {

    String currentElementName;
    int elementType;

    // Get the working copy and connect to input.
    IWorkingCopyManager manager = JavaUI.getWorkingCopyManager();
    manager.connect(input);

    // Retrieve the Java Element in question.
    // The following internal access is done because the getWorkingCopy() method
    // for the WorkingCopyManager returns null for StorageEditorInput, however,
    // there is a working copy available through the ICompilationUnitDocumentProvider.
    //      ICompilationUnit workingCopy = manager.getWorkingCopy(input);
    ICompilationUnitDocumentProvider x = (ICompilationUnitDocumentProvider) JavaUI.getDocumentProvider();
    // Retrieve the Java Element in question.
    ICompilationUnit workingCopy = x.getWorkingCopy(input);

    if (workingCopy == null)
        return "";

    IJavaElement method = workingCopy.getElementAt(offset);

    manager.disconnect(input);

    // no element selected
    if (method == null)
        return "";

    // Get the current element name, to test it.
    currentElementName = method.getElementName();

    // Element doesn't have a name. Can go no further.
    if (currentElementName == null)
        return "";

    // Get the Element Type to test.
    elementType = method.getElementType();

    switch (elementType) {
    case IJavaElement.METHOD:
    case IJavaElement.FIELD:
        break;
    case IJavaElement.COMPILATION_UNIT:
        return "";
    case IJavaElement.INITIALIZER:
        return STATIC_INITIALIZER_NAME;

    // So it's not a method, field, type, or static initializer. Where are we?
    default:
        IJavaElement tmpMethodType;
        if (((tmpMethodType = method.getAncestor(IJavaElement.METHOD)) == null)
                && ((tmpMethodType = method.getAncestor(IJavaElement.TYPE)) == null)) {
            return "";
        } else {
            // In a class, but not in a method. Return class name instead.
            method = tmpMethodType;
            currentElementName = method.getElementName();
        }
    }

    // Build all ancestor classes.
    // Append all ancestor class names to string

    IJavaElement tmpParent = method.getParent();
    boolean firstLoop = true;

    while (tmpParent != null) {
        IJavaElement tmpParentClass = tmpParent.getAncestor(IJavaElement.TYPE);
        if (tmpParentClass != null) {
            String tmpParentClassName = tmpParentClass.getElementName();
            if (tmpParentClassName == null)
                return "";
            currentElementName = tmpParentClassName + "." + currentElementName;
        } else {
            // cut root class name
            int rootClassPos = currentElementName.indexOf(".");
            if (rootClassPos >= 0)
                currentElementName = currentElementName.substring(rootClassPos + 1);
            if (firstLoop)
                return "";
            else
                return currentElementName;
        }
        tmpParent = tmpParentClass.getParent();
        firstLoop = false;

    }

    return "";
}

From source file:org.eclipse.linuxtools.internal.changelog.parsers.java.JavaParser.java

License:Open Source License

@Override
public String parseCurrentFunction(IEditorInput input, int offset) throws CoreException {

    String currentElementName;/* ww w  . j ava2 s. c om*/
    int elementType;

    // Get the working copy and connect to input.
    IWorkingCopyManager manager = JavaUI.getWorkingCopyManager();
    manager.connect(input);

    // Retrieve the Java Element in question.
    // The following internal access is done because the getWorkingCopy()
    // method
    // for the WorkingCopyManager returns null for StorageEditorInput,
    // however,
    // there is a working copy available through the
    // ICompilationUnitDocumentProvider.
    ICompilationUnitDocumentProvider x = (ICompilationUnitDocumentProvider) JavaUI.getDocumentProvider();
    // Retrieve the Java Element in question.
    ICompilationUnit workingCopy = x.getWorkingCopy(input);

    if (workingCopy == null) {
        return "";
    }

    IJavaElement method = workingCopy.getElementAt(offset);

    manager.disconnect(input);

    // no element selected
    if (method == null) {
        return "";
    }

    // Get the current element name, to test it.
    currentElementName = method.getElementName();

    // Element doesn't have a name. Can go no further.
    if (currentElementName == null) {
        return "";
    }

    // Get the Element Type to test.
    elementType = method.getElementType();

    switch (elementType) {
    case IJavaElement.METHOD:
    case IJavaElement.FIELD:
        break;
    case IJavaElement.COMPILATION_UNIT:
        return "";
    case IJavaElement.INITIALIZER:
        return STATIC_INITIALIZER_NAME;

    // So it's not a method, field, type, or static initializer. Where
    // are we?
    default:
        IJavaElement tmpMethodType;
        if (((tmpMethodType = method.getAncestor(IJavaElement.METHOD)) == null)
                && ((tmpMethodType = method.getAncestor(IJavaElement.TYPE)) == null)) {
            return "";
        } else {
            // In a class, but not in a method. Return class name instead.
            method = tmpMethodType;
            currentElementName = method.getElementName();
        }
    }

    // Build all ancestor classes.
    // Append all ancestor class names to string

    IJavaElement tmpParent = method.getParent();
    boolean firstLoop = true;

    while (tmpParent != null) {
        IJavaElement tmpParentClass = tmpParent.getAncestor(IJavaElement.TYPE);
        if (tmpParentClass != null) {
            String tmpParentClassName = tmpParentClass.getElementName();
            if (tmpParentClassName == null) {
                return "";
            }
            currentElementName = tmpParentClassName + "." + currentElementName;
        } else {
            // cut root class name
            int rootClassPos = currentElementName.indexOf('.');
            if (rootClassPos >= 0) {
                currentElementName = currentElementName.substring(rootClassPos + 1);
            }
            if (firstLoop) {
                return "";
            } else {
                return currentElementName;
            }
        }
        tmpParent = tmpParentClass.getParent();
        firstLoop = false;

    }

    return "";
}

From source file:org.eclipse.modisco.java.discoverer.internal.io.library.binding.JavaModelDelegateBindingFactory.java

License:Open Source License

/**
 * Returns the MoDisco {@link Binding} corresponding to the Java entity
 * represented by the Java Model element.
 * /*from   ww w. jav a2  s .c o  m*/
 * @param element
 *            the Java Model element
 * @param visitor
 *            the {@code ClassFileParser}
 * @return the MoDisco {@code Binding}
 */
public Binding getBindingForElement(final IJavaElement element, final ClassFileParser visitor) {
    Binding result = null;
    try {
        result = getBinding(element, visitor);
    } catch (JavaModelException e) {
        IStatus status = new Status(IStatus.WARNING, JavaActivator.PLUGIN_ID, e.getException().getMessage(), e);
        JavaActivator.getDefault().getLog().log(status);
    }
    if (result == null) {
        result = new UnresolvedBinding(element.getElementName());
    }
    return result;
}

From source file:org.eclipse.modisco.java.discoverer.internal.serialization.ElementsToAnalyzeSerializer.java

License:Open Source License

public String serialize(final ElementsToAnalyze elementsToAnalyze) {
    try {/*from   www .  j  av a2  s .  c om*/
        StringBuilder builder = new StringBuilder();
        IJavaProject javaProject = elementsToAnalyze.getJavaProject();
        if (javaProject == null) {
            return ""; //$NON-NLS-1$
        }

        builder.append(escape(javaProject.getElementName()));
        builder.append(ElementsToAnalyzeSerializer.SEPARATOR1);

        Set<Object> elementsToDiscover = elementsToAnalyze.getElementsToDiscover();
        boolean first = true;
        for (Object object : elementsToDiscover) {
            if (!first) {
                builder.append(ElementsToAnalyzeSerializer.SEPARATOR1);
            }
            first = false;

            if (object instanceof IJavaProject) {
                IJavaProject javaProject2 = (IJavaProject) object;
                builder.append(ElementsToAnalyzeSerializer.PROJECT_PREFIX);
                builder.append(escape(javaProject2.getElementName()));
            } else if (object instanceof IJavaElement) {
                IJavaElement javaElement = (IJavaElement) object;
                builder.append(ElementsToAnalyzeSerializer.ELEMENT_PREFIX);
                builder.append(escape(javaElement.getJavaProject().getElementName()));
                builder.append(ElementsToAnalyzeSerializer.SEPARATOR3);
                builder.append(escape(javaElement.getElementName()));
                builder.append(ElementsToAnalyzeSerializer.SEPARATOR3);
                builder.append(escape(javaElement.getPath().toString()));
            } else {
                MoDiscoLogger.logError("Unexpected element: " + object.getClass().getName(), //$NON-NLS-1$
                        JavaActivator.getDefault());
                continue;
            }

            Map<String, Object> discoveryOptions = elementsToAnalyze.getDiscoveryOptions(object);
            for (Entry<String, Object> entry : discoveryOptions.entrySet()) {

                builder.append(ElementsToAnalyzeSerializer.SEPARATOR2);
                builder.append(escape(entry.getKey()));
                builder.append(ElementsToAnalyzeSerializer.SEPARATOR2);
                ISerializer<?> serializer2 = ISerializationRegistry.INSTANCE
                        .getSerializerFor(entry.getValue().getClass());
                if (serializer2 != null) {
                    String serialized2 = ISerializationService.INSTANCE.serialize(entry.getValue());
                    if (serialized2 != null) {
                        builder.append(escape(serialized2));
                    }
                } else {
                    MoDiscoLogger.logError("No serializer for: " + entry.getValue().getClass().getName(), //$NON-NLS-1$
                            JavaActivator.getDefault());
                }
            }
        }

        return builder.toString();
    } catch (Exception e) {
        MoDiscoLogger.logError(e, "Error serializing elements to analyze", //$NON-NLS-1$
                JavaActivator.getDefault());
        return ""; //$NON-NLS-1$
    }
}

From source file:org.eclipse.modisco.java.discoverer.internal.serialization.ElementsToAnalyzeSerializer.java

License:Open Source License

public ElementsToAnalyze deserialize(final String serializedValue) {
    try {/*ww  w .j av  a2 s.  c  o  m*/
        String[] elements = serializedValue.split("\\" + ElementsToAnalyzeSerializer.SEPARATOR1); //$NON-NLS-1$

        ElementsToAnalyze elementsToAnalyze = new ElementsToAnalyze(getJavaProject(unescape(elements[0])));

        for (int i = 1; i < elements.length; i++) {
            String element = elements[i];
            if (element.startsWith(ElementsToAnalyzeSerializer.PROJECT_PREFIX)) {
                String[] elementParts = element.substring(ElementsToAnalyzeSerializer.PROJECT_PREFIX.length())
                        .split("\\" + ElementsToAnalyzeSerializer.SEPARATOR2); //$NON-NLS-1$
                String projectName2 = unescape(elementParts[0]);
                IJavaProject javaProject = getJavaProject(projectName2);
                elementsToAnalyze.addElementToDiscover(javaProject);
                fillMapWithRemainingParts(elementParts, elementsToAnalyze.getDiscoveryOptions(javaProject));
            } else if (element.startsWith(ElementsToAnalyzeSerializer.ELEMENT_PREFIX)) {
                String[] elementParts = element.substring(ElementsToAnalyzeSerializer.ELEMENT_PREFIX.length())
                        .split("\\" + ElementsToAnalyzeSerializer.SEPARATOR2); //$NON-NLS-1$
                String elementName = elementParts[0];
                String[] parts = elementName.split("\\" //$NON-NLS-1$
                        + ElementsToAnalyzeSerializer.SEPARATOR3);
                IJavaProject containingProject = getJavaProject(unescape(parts[0]));
                for (IJavaElement javaElement : containingProject.getChildren()) {
                    if (unescape(parts[1]).equals(javaElement.getElementName())
                            && new Path(unescape(parts[2])).equals(javaElement.getPath())) {
                        elementsToAnalyze.addElementToDiscover(javaElement);
                        fillMapWithRemainingParts(elementParts,
                                elementsToAnalyze.getDiscoveryOptions(javaElement));
                        break;
                    }
                }
            } else {
                MoDiscoLogger.logError("unhandled element", JavaActivator.getDefault()); //$NON-NLS-1$
            }

        }

        return elementsToAnalyze;
    } catch (Exception e) {
        MoDiscoLogger.logError(e, "Error deserializing elements to analyze", //$NON-NLS-1$
                JavaActivator.getDefault());
        return new ElementsToAnalyze(null);
    }
}

From source file:org.eclipse.mylyn.internal.java.ui.JavaEditingMonitor.java

License:Open Source License

/**
 * Only public for testing. Note: Two sequential selections on the same element are deemed to be an edit of the
 * selection as this is the best guess that can be made. See bug 252306.
 *///  w ww . j  a  v  a 2 s .  c  o  m
@Override
public void handleWorkbenchPartSelection(IWorkbenchPart part, ISelection selection,
        boolean contributeToContext) {
    try {
        IJavaElement selectedElement = null;
        if (selection instanceof StructuredSelection) {
            StructuredSelection structuredSelection = (StructuredSelection) selection;

            if (structuredSelection.equals(currentSelection)) {
                return;
            }
            currentSelection = structuredSelection;

            for (Iterator<?> iterator = structuredSelection.iterator(); iterator.hasNext();) {
                Object selectedObject = iterator.next();
                if (selectedObject instanceof IJavaElement) {
                    IJavaElement checkedElement = checkIfAcceptedAndPromoteIfNecessary(
                            (IJavaElement) selectedObject);
                    if (checkedElement == null) {
                        return;
                    } else {
                        selectedElement = checkedElement;
                    }
                }
                if (selectedElement != null) {
                    super.handleElementSelection(part, selectedElement, contributeToContext);
                }
            }
        } else {
            if (selection instanceof TextSelection && part instanceof JavaEditor) {
                currentEditor = (JavaEditor) part;
                TextSelection textSelection = (TextSelection) selection;
                selectedElement = SelectionConverter.resolveEnclosingElement(currentEditor, textSelection);
                if (selectedElement instanceof IPackageDeclaration) {
                    // HACK: ignoring these selections
                    return;
                }
                IJavaElement[] resolved = SelectionConverter.codeResolve(currentEditor);
                if (resolved != null && resolved.length == 1 && !resolved[0].equals(selectedElement)) {
                    lastResolvedElement = resolved[0];
                }

                boolean selectionResolved = false;
                if (selectedElement instanceof IMethod && lastSelectedElement instanceof IMethod) {
                    // navigation between two elements
                    if (lastResolvedElement != null && lastSelectedElement != null
                            && lastResolvedElement.equals(selectedElement)
                            && !lastSelectedElement.equals(lastResolvedElement)) {
                        super.handleNavigation(part, selectedElement, JavaReferencesProvider.ID,
                                contributeToContext);
                        selectionResolved = true;
                    } else if (lastSelectedElement != null && lastSelectedElement.equals(lastResolvedElement)
                            && !lastSelectedElement.equals(selectedElement)) {
                        super.handleNavigation(part, selectedElement, JavaReferencesProvider.ID,
                                contributeToContext);
                        selectionResolved = true;
                    }
                } else if (selectedElement != null && lastSelectedElement != null
                        && !lastSelectedElement.equals(selectedElement)) {
                    if (lastSelectedElement.getElementName().equals(selectedElement.getElementName())) {
                        // navigation between two elements
                        if (selectedElement instanceof IMethod && lastSelectedElement instanceof IMethod) {
                            super.handleNavigation(part, selectedElement, JavaImplementorsProvider.ID,
                                    contributeToContext);
                            selectionResolved = true;
                        } else if (selectedElement instanceof IType && lastSelectedElement instanceof IType) {
                            super.handleNavigation(part, selectedElement, JavaImplementorsProvider.ID,
                                    contributeToContext);
                            selectionResolved = true;
                        }
                    }
                }
                if (selectedElement != null) {
                    // selection of an element
                    if (!selectionResolved && selectedElement.equals(lastSelectedElement)) {
                        super.handleElementEdit(part, selectedElement, contributeToContext);
                    } else if (!selectedElement.equals(lastSelectedElement)) {
                        super.handleElementSelection(part, selectedElement, contributeToContext);
                    }
                }

                IJavaElement checkedElement = checkIfAcceptedAndPromoteIfNecessary(selectedElement);
                if (checkedElement == null) {
                    return;
                } else {
                    selectedElement = checkedElement;
                }
            }
        }
        if (selectedElement != null) {
            lastSelectedElement = selectedElement;
        }
    } catch (JavaModelException e) {
        // ignore, fine to fail to resolve an element if the model is not up-to-date
    } catch (Throwable t) {
        StatusHandler.log(new Status(IStatus.ERROR, JavaUiBridgePlugin.ID_PLUGIN,
                "Failed to update model based on selection", t)); //$NON-NLS-1$
    }
}

From source file:org.eclipse.mylyn.internal.monitor.monitors.SelectionMonitor.java

License:Open Source License

private String obfuscateJavaElementHandle(IJavaElement javaElement) {
    try {// w  w  w .ja  va  2  s .c  o  m
        StringBuffer obfuscatedPath = new StringBuffer();
        IResource resource;
        resource = (IResource) javaElement.getUnderlyingResource();
        if (resource != null && (resource instanceof IFile)) {
            IFile file = (IFile) resource;
            obfuscatedPath.append(obfuscator.obfuscateResourcePath(file.getProjectRelativePath()));
            obfuscatedPath.append(':');
            obfuscatedPath.append(obfuscator.obfuscateString(javaElement.getElementName()));
            return obfuscatedPath.toString();
        } else {
            return obfuscator.obfuscateString(javaElement.getHandleIdentifier());
        }
    } catch (JavaModelException e) {
        // ignore non-existing element
    }
    return ID_JAVA_UNKNOWN;
}

From source file:org.eclipse.mylyn.internal.sandbox.ui.editors.TaskEditorDropTarget.java

License:Open Source License

@Override
public void drop(DropTargetEvent event) {
    StringBuilder shouldDropText = new StringBuilder();
    // this concern may also go to IResourceHyperlinkExtension by adding something like IResourceHyperlinkExtension.drop(DropTargetEvent)?
    if (TextTransfer.getInstance().isSupportedType(event.currentDataType) && (event.data instanceof String)) {
        shouldDropText.append((String) event.data);
    } else if (JavaUI.getJavaElementClipboardTransfer().isSupportedType(event.currentDataType)
            && (event.data instanceof IJavaElement[])) {

        IJavaElement[] elements = (IJavaElement[]) event.data;

        for (IJavaElement element : elements) {
            shouldDropText.append(ResourceHyperlinkExtensions.getGeneratedPrefix("java")
                    + element.getElementName() + addCommaIfNeeded(elements, element));
        }//from   w  w  w . j ava 2  s .co m

    } else if (ResourceTransfer.getInstance().isSupportedType(event.currentDataType)
            && (event.data instanceof IResource[])) {
        IResource[] elements = (IResource[]) event.data;
        for (IResource element : elements) {
            String fullName = element.getName();
            int sep_pos = fullName.lastIndexOf(".");

            if (sep_pos != -1) {
                String fileName = fullName.substring(0, sep_pos);
                String fileType = fullName.substring(sep_pos + 1);

                // decide file type by file extension
                String generatedPrefix = ResourceHyperlinkExtensions.getGeneratedPrefix(fileType.toLowerCase());

                if (generatedPrefix != null) {
                    shouldDropText
                            .append(generatedPrefix + " " + fileName + addCommaIfNeeded(elements, element));
                } else {
                    // cannot decide the file type, then use default
                    shouldDropText.append(ResourceHyperlinkExtensions.getDefaultPrefix() + " "
                            + element.getFullPath().toString().substring(1)
                            + addCommaIfNeeded(elements, element));
                }
            }

        }
    }

    if (shouldDropText.length() > 0) {
        dropTextToCurrentPosition(shouldDropText.toString());
    }
}

From source file:org.eclipse.mylyn.java.ui.views.ProblemsFieldJavaElement.java

License:Open Source License

public String getValue(Object obj) {
    if (obj == null || !(obj instanceof ConcreteMarker)) {
        return ""; //$NON-NLS-1$
    }//  ww  w. jav  a  2s . c o  m
    ConcreteMarker marker = (ConcreteMarker) obj;
    IJavaElement javaElement = JavaUiUtil.getJavaElement(marker);//SearchUtil.getJavaElement(marker);
    if (javaElement == null) {
        return marker.getResourceName();
    } else {
        String name;
        if (javaElement instanceof IMember && javaElement.getParent() != null
                && !(javaElement.getParent() instanceof ICompilationUnit)) {
            name = javaElement.getParent().getElementName() + "." + javaElement.getElementName();
        } else {
            name = javaElement.getElementName();
        }
        return name;
    }
}

From source file:org.eclipse.mylyn.ui.views.support.DoiDecoratingTableLabelProvider.java

License:Open Source License

public String getColumnText(Object object, int index) {
    if (object instanceof TaskscapeNode) {
        TaskscapeNode node = (TaskscapeNode) object;
        if (node.getKind().equals(ITaskscapeNode.Kind.Java)) {
            IJavaElement element = JavaCore.create(node.getElementHandle());
            if (element != null) {
                String label = element.getElementName();
                return label + " (" + node.getDegreeOfInterest().getDegreeOfInterest().getDoiValue() + ")";
            } else {
                return "<missing element>";
            }/*from  w w w .j a va2 s. com*/
        } else {
            return node.getElementHandle();
        }
    } else if (object instanceof TaskscapeEdge) {
        TaskscapeEdge edge = (TaskscapeEdge) object;
        return edge.toString();
    }
    return "? " + object;
}