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

Introduction

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

Prototype

IResource getResource();

Source Link

Document

Returns the innermost resource enclosing this element.

Usage

From source file:de.ovgu.cide.language.jdt.editor.ColoredCompilationUnitEditor.java

License:Open Source License

public ColoredSourceFile getSourceFile() {
    ITypeRoot java = getInputJavaElement();
    assert java != null;
    assert java.getResource() instanceof IFile;
    IFile file = (IFile) java.getResource();
    if (file != null) {
        IFeatureModel featureModel;/*ww  w.j a va2s.  c o m*/
        try {
            featureModel = FeatureModelManager.getInstance().getFeatureModel(file.getProject());
        } catch (FeatureModelNotFoundException e) {
            e.printStackTrace();
            assert false : e;
            return null;
        }
        return ColoredSourceFile.getColoredSourceFile(file, featureModel);
    }
    return null;
}

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From source file:org.eclipse.ajdt.core.model.AJProjectModelFacade.java

License:Open Source License

/**
 * In this method, we are not sure we can do better than 
 * finding the Class file or compilation unit, even if 
 * more information is supplied in the handle.
 * We do our best effort//ww w  .ja v  a  2s. c o  m
 */
private IJavaElement getElementFromClassFile(String jHandle) {
    HandleInfo handleInfo = qualifiedNameFromBinaryHandle(jHandle);
    if (handleInfo == null) {
        AspectJPlugin.getDefault().getLog().log(new Status(IStatus.WARNING, AspectJPlugin.PLUGIN_ID,
                "Could not find type root for " + jHandle));
        return ERROR_JAVA_ELEMENT;
    }

    try {
        if (handleInfo.isPackageFragment()) {
            IPackageFragment[] frags = findFragment(JavaCore.create(project), handleInfo);
            if (frags != null && frags.length > 0) {
                // there may be multiple package fragments with the same name
                // in different roots.  If so, always (arbitrarily) return the first
                return frags[0];
            }
        }

        // this gives us the type in the current project.
        // However, the type may actually be source coming from another project
        ITypeRoot typeRoot = getCUFromQualifiedName(handleInfo);
        IJavaElement candidate;

        if (typeRoot instanceof ICompilationUnit) {
            // we're in luck...
            // all this work has taken us straight to the compilation unit

            candidate = findElementInCU(handleInfo, (ICompilationUnit) typeRoot);

        } else {
            // we have a class file.
            // search the rest of the workspace for this type
            IResource file = typeRoot.getResource();
            IClassFile classFile = (IClassFile) typeRoot;

            // try to find the source
            if (file != null && !file.getFileExtension().equals("jar")) {
                candidate = findElementInBinaryFolder(handleInfo, classFile);
            } else { // we have a class file in a jar
                candidate = findElementInJar(handleInfo, classFile);
            }
        }
        if (candidate != null) {
            return candidate;
        } else {
            return ERROR_JAVA_ELEMENT;
        }
    } catch (JavaModelException e) {
        AspectJPlugin.getDefault().getLog().log(new Status(IStatus.WARNING, AspectJPlugin.PLUGIN_ID,
                "Could not find type root for " + jHandle, e));
        return ERROR_JAVA_ELEMENT;
    } catch (NullPointerException e) {
        AspectJPlugin.getDefault().getLog().log(new Status(IStatus.WARNING, AspectJPlugin.PLUGIN_ID,
                "Could not find type root for " + jHandle, e));
        return ERROR_JAVA_ELEMENT;
    }
}

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From source file:org.eclipse.che.plugin.java.server.JavaNavigation.java

License:Open Source License

/**
 * Get the compilation unit representation of the java file.
 *
 * @param javaProject//from   www .j  a  v a 2 s.  c  o m
 *         path to the project which is contained class file
 * @param fqn
 *         fully qualified name of the class file
 * @param isShowingInheritedMembers
 *         <code>true</code> iff inherited members are shown
 * @return instance of {@link CompilationUnit}
 * @throws JavaModelException
 *         when JavaModel has a failure
 */
public CompilationUnit getCompilationUnitByPath(IJavaProject javaProject, String fqn,
        boolean isShowingInheritedMembers) throws JavaModelException {
    IType type = javaProject.findType(fqn);
    CompilationUnit compilationUnit = DtoFactory.newDto(CompilationUnit.class);
    ITypeRoot unit;
    if (type.isBinary()) {
        unit = type.getClassFile();
        compilationUnit.setPath(((IClassFile) unit).getType().getFullyQualifiedName());
    } else {
        unit = type.getCompilationUnit();
        compilationUnit.setProjectPath(unit.getJavaProject().getPath().toOSString());
        compilationUnit.setPath(unit.getResource().getFullPath().toOSString());
    }

    compilationUnit.setElementName(unit.getElementName());
    compilationUnit.setHandleIdentifier(unit.getHandleIdentifier());
    compilationUnit.setLabel(org.eclipse.jdt.ui.JavaElementLabels.getElementLabel(unit,
            org.eclipse.jdt.ui.JavaElementLabels.ALL_DEFAULT));
    List<Type> types = new ArrayList<>(1);
    Type dtoType = convertToDTOType(type);
    dtoType.setPrimary(true);
    types.add(dtoType);
    compilationUnit.setTypes(types);

    if (isShowingInheritedMembers) {
        compilationUnit.setSuperTypes(calculateSuperTypes(type));
    }

    return compilationUnit;
}

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From source file:org.grails.ide.eclipse.editor.actions.UrlMappingHyperlinkDetector.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;
    }/* w w  w.j a  va 2  s  .  com*/

    //        IAction openAction= textEditor.getAction("OpenEditor"); //$NON-NLS-1$
    //        if (!(openAction instanceof SelectionDispatchAction)) {
    //            return null;
    //        }
    //        
    ITypeRoot input = EditorUtility.getEditorInputJavaElement(textEditor, false);
    if (input == null) {
        return null;
    }

    if (!(input instanceof GroovyCompilationUnit)) {
        return null;
    }

    IResource resource = input.getResource();
    // we could get more specific and check to make sure that the file is 
    // in the proper package and source folder and in a grails project, but I think
    // it is useful here to have this functionality more widely available.
    if (resource == null || !resource.getName().equals("UrlMappings.groovy")) {
        return null;
    }

    GroovyCompilationUnit unit = (GroovyCompilationUnit) input;
    ModuleNode moduleNode = unit.getModuleNode();
    if (moduleNode == null) {
        return null;
    }

    ClassNode mappingClass = findMappingsClass(moduleNode);
    if (mappingClass == null) {
        return null;
    }

    FieldNode mappings = mappingClass.getField("mappings");
    if (mappings == null) {
        return null;
    }

    int offset = region.getOffset();
    if (mappings.getStart() > offset || mappings.getEnd() < offset) {
        return null;
    }
    Expression expression = mappings.getInitialExpression();
    if (!(expression instanceof ClosureExpression)) {
        return null;
    }
    Statement body = ((ClosureExpression) expression).getCode();
    if (!(body instanceof BlockStatement) || ((BlockStatement) body).getStatements() == null) {
        return null;
    }
    // now we know that we have a hyperlink request inside of a UrlMappings.mapping field.
    // we can do the real work now.
    return findMappingLinks(((BlockStatement) body).getStatements(), offset, unit);
}

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

License:Open Source License

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

    int offset = region.getOffset();

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

    IDocument document = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput());

    IResource r = input.getResource();
    if (!(r instanceof IFile) || !r.exists() || r.getName().endsWith(".jar")) {
        return null;
    }//  w w  w  .ja va2  s.  co m
    IFile file = (IFile) r;

    try {

        IJavaElement element = input.getElementAt(offset);
        if (element != null) {
            if (element instanceof IField) {
                IAnnotation annotation = CDIMarkerResolutionUtils.findAnnotation(element,
                        RESOURCE_ANNOTATION_30);
                if (annotation == null || !annotation.exists()) {
                    annotation = CDIMarkerResolutionUtils.findAnnotation(element, RESOURCE_ANNOTATION_31);
                }
                if (annotation != null && annotation.exists()) {
                    IRegion annotationRegion = getAnnotationRegion(document, annotation);
                    String text = getValue(annotation);
                    if (text != null) {
                        return new IHyperlink[] {
                                new CDISeamResourceLoadingHyperlink(file, document, annotationRegion, text) };
                    }
                }
            }
        }
    } catch (CoreException ex) {
        CDISeamExtPlugin.getDefault().logError(ex);
    } catch (BadLocationException ex) {
        CDISeamExtPlugin.getDefault().logError(ex);
    }

    return null;
}

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From source file:org.jboss.tools.jst.jsp.jspeditor.info.JavaStringELInfoHover.java

License:Open Source License

public Object getHoverInfo2(ITextViewer textViewer, IRegion region) {
    // find a region of __java_string, if we're in it - use it
    IDocument document = textViewer == null ? null : textViewer.getDocument();
    if (document == null)
        return null;

    int rangeStart = -1;
    int rangeLength = 0;
    IToken rangeToken = null;/*from w  w w .  jav a  2  s .c  o  m*/
    FastJavaPartitionScanner scanner = new FastJavaPartitionScanner();
    scanner.setRange(document, 0, document.getLength());
    while (true) {
        IToken token = scanner.nextToken();
        if (token == null || token.isEOF())
            break;
        int start = scanner.getTokenOffset();
        int length = scanner.getTokenLength();
        int end = start + length;
        if (start <= region.getOffset() && end >= region.getOffset()) {
            rangeStart = start;
            rangeLength = length;
            rangeToken = token;
            break;
        }
        if (start > region.getOffset())
            break;
    }

    if (rangeToken == null || rangeStart == -1 || rangeLength <= 0
            || !IJavaPartitions.JAVA_STRING.equals(rangeToken.getData()))
        return null;

    // OK. We've found JAVA_STRING token  
    // Check that the position is in the EL 
    if (!checkStartPosition(document, region.getOffset()))
        return null;

    // Calculate and prepare KB-query parameters
    String text = null;
    try {
        text = document.get(rangeStart, rangeLength);
    } catch (BadLocationException e) {
        JspEditorPlugin.getPluginLog().logError(e);
    }
    int inValueOffset = region.getOffset() - rangeStart;

    ELParser p = ELParserUtil.getJbossFactory().createParser();
    ELModel model = p.parse(text);

    ELInvocationExpression ie = ELUtil.findExpression(model, inValueOffset);// ELExpression
    if (ie == null)
        return null;

    ITypeRoot input = getEditorInputJavaElement();
    if (input == null)
        return null;

    IResource r = input.getResource();
    if (!(r instanceof IFile) || !r.exists() || r.getName().endsWith(".jar")) { //$NON-NLS-1$
        return null;
    }
    IFile file = (IFile) r;

    ELContext context = PageContextFactory.createPageContext(file, JavaCore.JAVA_SOURCE_CONTENT_TYPE);

    ELResolver[] resolvers = context.getElResolvers();

    for (int i = 0; resolvers != null && i < resolvers.length; i++) {
        ELResolution resolution = resolvers[i] == null ? null
                : resolvers[i].resolve(context, ie, region.getOffset() + region.getLength());
        if (resolution == null)
            continue;

        ELSegment segment = resolution.getLastSegment();
        if (segment == null || !segment.isResolved())
            continue;

        if (segment instanceof JavaMemberELSegmentImpl) {
            JavaMemberELSegmentImpl jmSegment = (JavaMemberELSegmentImpl) segment;

            IJavaElement[] javaElements = jmSegment.getAllJavaElements();
            if (javaElements == null || javaElements.length == 0) {
                if (jmSegment.getJavaElement() == null)
                    continue;

                javaElements = new IJavaElement[] { jmSegment.getJavaElement() };
            }
            if (javaElements == null || javaElements.length == 0)
                continue;

            return JavaStringELInfoHover.getHoverInfo2Internal(javaElements, true);
        } else if (segment instanceof MessagePropertyELSegmentImpl) {
            MessagePropertyELSegmentImpl mpSegment = (MessagePropertyELSegmentImpl) segment;
            String baseName = mpSegment.getBaseName();
            String propertyName = mpSegment.isBundle() ? null
                    : StringUtil.trimQuotes(segment.getToken().getText());
            String hoverText = ELProposalProcessor.getELMessagesHoverInternal(baseName, propertyName,
                    (List<XModelObject>) mpSegment.getObjects());
            StringBuffer buffer = new StringBuffer(hoverText);

            HTMLPrinter.insertPageProlog(buffer, 0, getStyleSheet());
            HTMLPrinter.addPageEpilog(buffer);

            return new ELInfoHoverBrowserInformationControlInput(null, new IJavaElement[0], buffer.toString(),
                    0);
        }
    }

    return null;
}

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From source file:org.jboss.tools.jst.web.ui.internal.editor.info.JavaStringELInfoHover.java

License:Open Source License

public Object getHoverInfo2(ITextViewer textViewer, IRegion region) {
    // find a region of __java_string, if we're in it - use it
    IDocument document = textViewer == null ? null : textViewer.getDocument();
    if (document == null)
        return null;

    int rangeStart = -1;
    int rangeLength = 0;
    IToken rangeToken = null;//  w  w  w. j  a  va2  s .  c o  m
    FastJavaPartitionScanner scanner = new FastJavaPartitionScanner();
    scanner.setRange(document, 0, document.getLength());
    while (true) {
        IToken token = scanner.nextToken();
        if (token == null || token.isEOF())
            break;
        int start = scanner.getTokenOffset();
        int length = scanner.getTokenLength();
        int end = start + length;
        if (start <= region.getOffset() && end >= region.getOffset()) {
            rangeStart = start;
            rangeLength = length;
            rangeToken = token;
            break;
        }
        if (start > region.getOffset())
            break;
    }

    if (rangeToken == null || rangeStart == -1 || rangeLength <= 0
            || !IJavaPartitions.JAVA_STRING.equals(rangeToken.getData()))
        return null;

    // OK. We've found JAVA_STRING token  
    // Check that the position is in the EL 
    if (!checkStartPosition(document, region.getOffset()))
        return null;

    // Calculate and prepare KB-query parameters
    String text = null;
    try {
        text = document.get(rangeStart, rangeLength);
    } catch (BadLocationException e) {
        WebUiPlugin.getDefault().logError(e);
    }
    int inValueOffset = region.getOffset() - rangeStart;

    ELParser p = ELParserUtil.getJbossFactory().createParser();
    ELModel model = p.parse(text);

    ELInvocationExpression ie = ELUtil.findExpression(model, inValueOffset);// ELExpression
    if (ie == null)
        return null;

    ITypeRoot input = getEditorInputJavaElement();
    if (input == null)
        return null;

    IResource r = input.getResource();
    if (!(r instanceof IFile) || !r.exists() || r.getName().endsWith(".jar")) { //$NON-NLS-1$
        return null;
    }
    IFile file = (IFile) r;

    ELContext context = PageContextFactory.createPageContext(file, JavaCore.JAVA_SOURCE_CONTENT_TYPE);

    ELResolver[] resolvers = context.getElResolvers();

    for (int i = 0; resolvers != null && i < resolvers.length; i++) {
        ELResolution resolution = resolvers[i] == null ? null
                : resolvers[i].resolve(context, ie, region.getOffset() + region.getLength());
        if (resolution == null)
            continue;

        ELSegment segment = resolution.getLastSegment();
        if (segment == null || !segment.isResolved())
            continue;

        if (segment instanceof JavaMemberELSegmentImpl) {
            JavaMemberELSegmentImpl jmSegment = (JavaMemberELSegmentImpl) segment;

            IJavaElement[] javaElements = jmSegment.getAllJavaElements();
            if (javaElements == null || javaElements.length == 0) {
                if (jmSegment.getJavaElement() == null)
                    continue;

                javaElements = new IJavaElement[] { jmSegment.getJavaElement() };
            }
            if (javaElements == null || javaElements.length == 0)
                continue;

            Arrays.sort(javaElements, ELProposalProcessor.CASE_INSENSITIVE_ORDER);
            return ELInfoHover.getHoverInfo(javaElements, null);
        } else if (segment instanceof MessagePropertyELSegmentImpl) {
            MessagePropertyELSegmentImpl mpSegment = (MessagePropertyELSegmentImpl) segment;
            return ELInfoHover.getHoverInfo(mpSegment.getBaseName(), mpSegment.getBaseName(),
                    mpSegment.getObjects(), null);
        }
    }

    return null;
}

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