Example usage for org.eclipse.jdt.core ITypeRoot codeSelect

Introduction

In this page you can find the example usage for org.eclipse.jdt.core ITypeRoot codeSelect.

Prototype

IJavaElement[] codeSelect(int offset, int length) throws JavaModelException;

Source Link

Document

Returns the Java elements corresponding to the given selected text in this compilation unit.

Usage

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

License:MIT License

public List<JavaElement> ProcessQuickInfoRequest(String fileParseContents, String typeRootId,
        int cursorPosition) throws Exception {
    if (ActiveTypeRoots.containsKey(typeRootId)) {
        ITypeRoot cu = ActiveTypeRoots.get(typeRootId);
        cu.getBuffer().setContents(fileParseContents.toCharArray());
        IJavaElement[] elements = cu.codeSelect(cursorPosition, 0);

        List<JavaElement> ret = new ArrayList<JavaElement>();

        long flags = JavaElementLabelComposer.ALL_FULLY_QUALIFIED | JavaElementLabelComposer.ALL_DEFAULT
                | JavaElementLabelComposer.M_PRE_RETURNTYPE | JavaElementLabelComposer.F_PRE_TYPE_SIGNATURE;
        for (IJavaElement element : elements) {
            StringBuffer buffer = new StringBuffer();
            JavaElementLabelComposer composer = new JavaElementLabelComposer(buffer);

            composer.appendElementLabel(element, flags);
            System.out.println(element.getPath().toString());

            JavaElement.Builder b = JavaElement.newBuilder().setDefinition(buffer.toString());

            String javaDoc = null;
            try {
                javaDoc = element.getAttachedJavadoc(null);
            } catch (JavaModelException jme) {
                jme.printStackTrace();//from  ww  w  .jav a2  s.  co  m
            }
            if (javaDoc != null)
                b.setJavaDoc(javaDoc);
            ret.add(b.build());
        }
        return ret;
    }
    return null;
}

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

License:MIT License

public List<FindDefinitionResponse.JavaElement> ProcessFindDefinintionRequest(String fileParseContents,
        String typeRootId, int cursorPosition) throws Exception {
    if (ActiveTypeRoots.containsKey(typeRootId)) {
        ITypeRoot cu = ActiveTypeRoots.get(typeRootId);
        cu.getBuffer().setContents(fileParseContents.toCharArray());
        IJavaElement[] elements = cu.codeSelect(cursorPosition, 0);

        List<FindDefinitionResponse.JavaElement> ret = new ArrayList<FindDefinitionResponse.JavaElement>();
        for (IJavaElement element : elements) {
            String definition = element.toString();
            String path = element.getResource() != null ? element.getResource().getLocation().toOSString()
                    : element.getPath().toOSString();
            //String path = element.getPath().makeAbsolute().toOSString(); // element.getPath().toString();

            boolean isAvailable = false;
            int posStart = -1;
            int posLength = 0;
            String contents = null;
            String classFileName = null;
            IClassFile classFileObj = null;

            ISourceReference srcRef = (ISourceReference) element;
            if (srcRef != null) {
                ISourceRange range = srcRef.getSourceRange();
                if (SourceRange.isAvailable(range)) {
                    isAvailable = true;/*from ww w .j  av a  2 s  .  co m*/
                    posStart = range.getOffset();
                    posLength = range.getLength();

                    //if (path.endsWith(".jar"))
                    //{
                    IOpenable op = element.getOpenable();
                    if (op != null && op instanceof IClassFile) {
                        IBuffer buff = op.getBuffer();
                        classFileObj = (IClassFile) op;
                        classFileName = classFileObj.getElementName();
                        contents = buff.getContents();
                    }
                    //}
                }
            }

            FindDefinitionResponse.JavaElement.Builder retItem = FindDefinitionResponse.JavaElement.newBuilder()
                    .setDefinition(definition).setFilePath(path).setHasSource(isAvailable)
                    .setPositionStart(posStart).setPositionLength(posLength);

            if (contents != null) {
                //int hashCode = classFileObj.hashCode();
                String handle = classFileObj.getHandleIdentifier();
                ActiveTypeRoots.put(handle, classFileObj);

                retItem.setFileName(classFileName);
                retItem.setTypeRootIdentifier(TypeRootIdentifier.newBuilder().setHandle(handle).build());
            }
            System.out.println(retItem.toString());
            if (contents != null) {
                retItem.setFileContents(contents);
            }
            ret.add(retItem.build());
        }
        return ret;
    }
    return null;
}

---

From source file:net.harawata.mybatipse.mybatis.JavaHyperlinkDetector.java

License:Open Source License

@Override
public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region,
        boolean canShowMultipleHyperlinks) {
    IHyperlink[] links = null;/* w  ww  .  ja v  a 2 s.  c  o  m*/
    ITextEditor editor = (ITextEditor) getAdapter(ITextEditor.class);
    IEditorInput input = editor.getEditorInput();
    IJavaElement element = (IJavaElement) input.getAdapter(IJavaElement.class);
    ITypeRoot typeRoot = (ITypeRoot) element.getAdapter(ITypeRoot.class);
    try {
        IJavaElement[] srcElements = typeRoot.codeSelect(region.getOffset(), region.getLength());
        if (srcElements.length == 1) {
            IJavaElement srcElement = srcElements[0];
            switch (srcElement.getElementType()) {
            case IJavaElement.METHOD:
                links = getLinks(typeRoot, null, "//*[@id='" + srcElement.getElementName() + "']", region);
                break;
            case IJavaElement.TYPE:
                links = getLinks(typeRoot, null, "//mapper", region);
                break;
            default:
                break;
            }
        }
    } catch (JavaModelException e) {
        Activator.log(Status.ERROR, e.getMessage(), e);
    }
    return links;
}

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From source file:org.eclipse.recommenders.internal.rcp.JavaElementSelections.java

License:Open Source License

/**
 * Returns the {@link IJavaElement} at the given offset. If no {@link IJavaElement} is selected, the innermost
 * enclosing {@link IJavaElement} is returned (e.g., the declaring method or type). If both selection resolutions
 * fail, {@link Optional#absent()} is returned.
 *//*ww  w  .  jav a  2  s .  co  m*/
public static Optional<IJavaElement> resolveJavaElementFromTypeRootInEditor(final ITypeRoot root,
        final int offset) {
    ensureIsNotNull(root);
    try {
        if (isInvalidSelection(root, offset)) {
            return absent();
        }

        // try resolve elements at current offset
        final IJavaElement[] elements = root.codeSelect(offset, 0);
        if (elements.length > 0) {
            // return java element under cursor/selection start
            return of(elements[0]);
        } else {
            // XXX MB: decided against selection changes because these
            // frequent changes were too disturbing
            return absent();
            // ignore that for a while:

            // // if no java element has been selected, return the innermost
            // Java element enclosing a given offset.
            // // This might evaluate to null.
            // IJavaElement enclosingElement = root.getElementAt(offset);
            // if (enclosingElement == null) {
            // // selection occurred in empty space somewhere before the
            // type declaration.
            // // return type-root then.
            // enclosingElement = root;
            // }
            // return of(enclosingElement);
        }
    } catch (final Exception e) {
        // actually, these can happen when using snipmatch's in-editor completion.
        // fractions of seconds seem potentially to lead to this exception, thus, we swallow them here.
        if (!isInvalidSelection(root, offset)) {
            log(ERROR_FAILED_TO_RESOLVE_SELECTION, root.getHandleIdentifier(), offset, e);
        }
        return absent();
    }
}

---

From source file:org.jboss.tools.cdi.deltaspike.text.ext.AuthorizerHyperlinkDetector.java

License:Open Source License

public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region,
        boolean canShowMultipleHyperlinks) {
    this.region = region;
    this.viewer = textViewer;

    ITextEditor textEditor = (ITextEditor) getAdapter(ITextEditor.class);
    if (region == null || !canShowMultipleHyperlinks || !(textEditor instanceof JavaEditor))
        return null;

    int offset = region.getOffset();

    ITypeRoot input = EditorUtility.getEditorInputJavaElement(textEditor, false);
    if (input == null)
        return null;

    document = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput());
    IRegion wordRegion = JavaWordFinder.findWord(document, offset);
    if (wordRegion == null)
        return null;

    IProject project = null;//from  w w w  .j ava2s  . c  o  m

    project = input.getJavaProject().getProject();

    if (project == null)
        return null;

    CDICoreNature cdiNature = CDIUtil.getCDINatureWithProgress(project);
    if (cdiNature == null)
        return null;

    IJavaElement[] elements = null;
    IType annotationType = null;

    try {
        elements = input.codeSelect(wordRegion.getOffset(), wordRegion.getLength());
        if (elements == null)
            return null;
        if (elements.length != 1)
            return null;

        ArrayList<IHyperlink> hyperlinks = new ArrayList<IHyperlink>();
        int position = 0;
        if (elements[0] instanceof IType) {
            annotationType = (IType) elements[0];
            if (!annotationType.isAnnotation()) {
                annotationType = null;
            }
            elements[0] = input.getElementAt(wordRegion.getOffset());
            if (elements[0] == null)
                return null;

            if (elements[0] instanceof IMethod) {
                position = offset;
            }
        }

        findAuthorizerMethods(cdiNature, elements[0], annotationType, position, input.getPath(), hyperlinks);

        if (hyperlinks != null && !hyperlinks.isEmpty()) {
            return (IHyperlink[]) hyperlinks.toArray(new IHyperlink[hyperlinks.size()]);
        }
    } catch (JavaModelException jme) {
        DeltaspikeCorePlugin.getDefault().logError(jme);
    }
    return null;
}

---

From source file:org.jboss.tools.cdi.seam.text.ext.hyperlink.GenericInjectedPointHyperlinkDetector.java

License:Open Source License

public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region,
        boolean canShowMultipleHyperlinks) {
    this.region = region;
    this.viewer = textViewer;

    ITextEditor textEditor = (ITextEditor) getAdapter(ITextEditor.class);
    if (region == null || !canShowMultipleHyperlinks || !(textEditor instanceof JavaEditor))
        return null;

    int offset = region.getOffset();

    ITypeRoot input = EditorUtility.getEditorInputJavaElement(textEditor, false);
    if (input == null)
        return null;

    document = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput());
    IRegion wordRegion = JavaWordFinder.findWord(document, offset);
    if (wordRegion == null)
        return null;

    IProject project = null;/*w w w. j  a v  a 2 s . c o  m*/

    project = input.getJavaProject().getProject();

    if (project == null)
        return null;

    CDICoreNature cdiNature = CDIUtil.getCDINatureWithProgress(project);
    if (cdiNature == null)
        return null;

    IJavaElement[] elements = null;

    try {
        elements = input.codeSelect(wordRegion.getOffset(), wordRegion.getLength());
        if (elements == null)
            return null;
        if (elements.length != 1)
            return null;

        ArrayList<IHyperlink> hyperlinks = new ArrayList<IHyperlink>();
        int position = 0;
        if (elements[0] instanceof IType) {
            elements[0] = input.getElementAt(wordRegion.getOffset());
            if (elements[0] == null)
                return null;

            if (elements[0] instanceof IMethod) {
                position = offset;
            }
        }

        findInjectedBeans(cdiNature, elements[0], position, input.getPath(), hyperlinks);

        if (hyperlinks != null && !hyperlinks.isEmpty()) {
            return (IHyperlink[]) hyperlinks.toArray(new IHyperlink[hyperlinks.size()]);
        }
    } catch (JavaModelException jme) {
        CDISeamExtPlugin.getDefault().logError(jme);
    }
    return null;
}

---

From source file:org.jboss.tools.cdi.text.ext.hyperlink.EventAndObserverMethodHyperlinkDetector.java

License:Open Source License

public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region,
        boolean canShowMultipleHyperlinks) {
    ITextEditor textEditor = (ITextEditor) getAdapter(ITextEditor.class);
    if (region == null || !(textEditor instanceof JavaEditor))
        return null;

    if (textEditor.getEditorInput() instanceof IFileEditorInput) {
        file = ((IFileEditorInput) textEditor.getEditorInput()).getFile();
    }//w w w . j  av  a2  s .c o m

    int offset = region.getOffset();

    ITypeRoot input = EditorUtility.getEditorInputJavaElement(textEditor, true);
    if (input == null)
        return null;

    IDocument document = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput());
    IRegion wordRegion = JavaWordFinder.findWord(document, offset);
    if (wordRegion == null)
        return null;

    IProject project = null;

    project = input.getJavaProject().getProject();

    if (project == null)
        return null;

    CDICoreNature cdiNature = CDIUtil.getCDINatureWithProgress(project);
    if (cdiNature == null)
        return null;

    IJavaElement[] elements = null;

    try {
        elements = input.codeSelect(wordRegion.getOffset(), wordRegion.getLength());

        if (elements == null)
            return null;

        if (elements.length != 1)
            return null;

        ArrayList<IHyperlink> hyperlinks = new ArrayList<IHyperlink>();
        int position = 0;

        if (elements[0] instanceof IType) {
            elements[0] = input.getElementAt(wordRegion.getOffset());

            if (elements[0] == null)
                return null;

            if (elements[0] instanceof IMethod) {
                position = offset;
            }
        }
        ICDIProject cdiProject = CDIUtil.getCDIProject(file, cdiNature, textEditor.isDirty());
        if (cdiProject != null) {
            IInjectionPoint injectionPoint = findInjectedPoint(cdiProject, elements[0], position,
                    input.getPath());
            Set<IParameter> param = findObserverParameter(cdiProject, elements[0], offset, input.getPath());
            if (injectionPoint != null) {
                Collection<IObserverMethod> observerMethods = cdiProject.resolveObserverMethods(injectionPoint);

                if (observerMethods.size() == 1) {
                    hyperlinks.add(
                            new ObserverMethodHyperlink(region, observerMethods.iterator().next(), document));
                } else if (observerMethods.size() > 0) {
                    hyperlinks.add(
                            new ObserverMethodListHyperlink(textViewer, region, observerMethods, document));
                }

            } else if (param != null) {
                Set<IInjectionPoint> events = new HashSet<IInjectionPoint>();
                for (IParameter p : param)
                    events.addAll(cdiProject.findObservedEvents(p));

                if (events.size() == 1) {
                    hyperlinks.add(new EventHyperlink(region, events.iterator().next(), document));
                } else if (events.size() > 0) {
                    hyperlinks.add(new EventListHyperlink(textViewer, region, events, document));
                }
            }
        }

        if (hyperlinks != null && !hyperlinks.isEmpty()) {
            return (IHyperlink[]) hyperlinks.toArray(new IHyperlink[hyperlinks.size()]);
        }
    } catch (JavaModelException jme) {
        CDIExtensionsPlugin.getDefault().logError(jme);
    }
    return null;
}

---

From source file:org.jboss.tools.cdi.text.ext.hyperlink.InjectedPointHyperlinkDetector.java

License:Open Source License

public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region,
        boolean canShowMultipleHyperlinks) {
    this.region = region;
    this.viewer = textViewer;

    ITextEditor textEditor = (ITextEditor) getAdapter(ITextEditor.class);
    if (region == null || !(textEditor instanceof JavaEditor))
        return null;

    if (textEditor.getEditorInput() instanceof IFileEditorInput) {
        file = ((IFileEditorInput) textEditor.getEditorInput()).getFile();
    }//from   w w w. j  a v a 2 s .c  om

    int offset = region.getOffset();

    ITypeRoot input = EditorUtility.getEditorInputJavaElement(textEditor, true);
    if (input == null)
        return null;

    document = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput());
    IRegion wordRegion = JavaWordFinder.findWord(document, offset);
    if (wordRegion == null)
        return null;

    IProject project = null;

    project = input.getJavaProject().getProject();

    if (project == null)
        return null;

    CDICoreNature cdiNature = CDIUtil.getCDINatureWithProgress(project);
    if (cdiNature == null)
        return null;

    IJavaElement[] elements = null;

    try {
        elements = input.codeSelect(wordRegion.getOffset(), wordRegion.getLength());
        if (elements == null)
            return null;

        if (elements.length != 1)
            return null;

        ArrayList<IHyperlink> hyperlinks = new ArrayList<IHyperlink>();
        int position = 0;
        if (elements[0] instanceof IType) {
            elements[0] = input.getElementAt(wordRegion.getOffset());

            if (elements[0] == null)
                return null;

            if (elements[0] instanceof IMethod) {
                position = offset;
            }
        }

        findInjectedBeans(cdiNature, elements[0], position, input.getPath(), hyperlinks, textEditor.isDirty());

        if (hyperlinks != null && !hyperlinks.isEmpty()) {
            return (IHyperlink[]) hyperlinks.toArray(new IHyperlink[hyperlinks.size()]);
        }
    } catch (JavaModelException jme) {
        CDIExtensionsPlugin.getDefault().logError(jme);
    }
    return null;
}

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From source file:org.jboss.tools.cdi.text.ext.hyperlink.ProducerDisposerHyperlinkDetector.java

License:Open Source License

public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region,
        boolean canShowMultipleHyperlinks) {
    ITextEditor textEditor = (ITextEditor) getAdapter(ITextEditor.class);
    if (region == null || !(textEditor instanceof JavaEditor))
        return null;

    if (textEditor.getEditorInput() instanceof IFileEditorInput) {
        file = ((IFileEditorInput) textEditor.getEditorInput()).getFile();
    }/*from  w  w  w.j  a  v  a2s.c  om*/

    int offset = region.getOffset();

    ITypeRoot input = EditorUtility.getEditorInputJavaElement(textEditor, true);
    if (input == null)
        return null;

    IDocument document = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput());
    IRegion wordRegion = JavaWordFinder.findWord(document, offset);
    if (wordRegion == null)
        return null;

    IProject project = null;

    project = input.getJavaProject().getProject();

    if (project == null)
        return null;

    Collection<IBean> beans = getBeans(project, input.getPath(), textEditor.isDirty());

    if (beans == null)
        return null;

    IJavaElement[] elements = null;

    try {
        elements = input.codeSelect(wordRegion.getOffset(), wordRegion.getLength());

        if (elements == null)
            return null;
        if (elements.length != 1)
            return null;

        ArrayList<IHyperlink> hyperlinks = new ArrayList<IHyperlink>();
        if (elements[0] instanceof IType) {
            if (CDIConstants.PRODUCES_ANNOTATION_TYPE_NAME
                    .equals(((IType) elements[0]).getFullyQualifiedName())) {
                elements[0] = input.getElementAt(wordRegion.getOffset());

                if (elements[0] == null)
                    return null;
            }
        }

        if (elements[0] instanceof IMethod) {
            for (IBean bean : beans) {
                if (bean instanceof IClassBean) {
                    IProducerMethod producer = getProducer((IClassBean) bean, (IMethod) elements[0]);
                    if (producer != null) {
                        List<IMethod> disposers = findDisposerMethods(producer);
                        for (IMethod method : disposers) {
                            hyperlinks.add(new DisposerHyperlink(region, method, document));
                        }
                    } else {
                        IBeanMethod disposer = getDisposer((IClassBean) bean, (IMethod) elements[0]);
                        if (disposer != null) {
                            List<IMethod> producers = findProducerMethods((IClassBean) bean, disposer);
                            for (IMethod method : producers) {
                                hyperlinks.add(new ProducerHyperlink(region, method, document));
                            }
                        }
                    }
                }
            }
        }

        if (hyperlinks != null && !hyperlinks.isEmpty()) {
            return (IHyperlink[]) hyperlinks.toArray(new IHyperlink[hyperlinks.size()]);
        }
    } catch (JavaModelException jme) {
        CDIExtensionsPlugin.getDefault().logError(jme);
    }
    return null;
}

---

From source file:org.jboss.tools.vscode.java.internal.handlers.NavigateToDefinitionHandler.java

License:Open Source License

private Location computeDefinitonNavigation(ITypeRoot unit, int line, int column) {
    try {/*from   w w  w  .j a  va  2 s.c  o  m*/
        IJavaElement[] elements = unit.codeSelect(JsonRpcHelpers.toOffset(unit.getBuffer(), line, column), 0);

        if (elements == null || elements.length != 1)
            return null;
        IJavaElement element = elements[0];
        ICompilationUnit compilationUnit = (ICompilationUnit) element
                .getAncestor(IJavaElement.COMPILATION_UNIT);
        IClassFile cf = (IClassFile) element.getAncestor(IJavaElement.CLASS_FILE);
        if (compilationUnit != null || (cf != null && cf.getSourceRange() != null)) {
            return JDTUtils.toLocation(element);
        }
        return null;

    } catch (JavaModelException e) {
        JavaLanguageServerPlugin.logException("Problem with codeSelect for" + unit.getElementName(), e);
    }
    return null;
}

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