Examples with IClassFile org.eclipse.jdt.core.IClassFile used on opensource projects

Example 26 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project eclipse.jdt.ls by eclipse.

the class ReferencesHandler method findReferences.

public List<Location> findReferences(ReferenceParams param, IProgressMonitor monitor) {
    final List<Location> locations = new ArrayList<>();
    try {
        IJavaElement elementToSearch = JDTUtils.findElementAtSelection(JDTUtils.resolveTypeRoot(param.getTextDocument().getUri()), param.getPosition().getLine(), param.getPosition().getCharacter(), this.preferenceManager, monitor);
        if (elementToSearch == null) {
            return locations;
        }
        SearchEngine engine = new SearchEngine();
        SearchPattern pattern = SearchPattern.createPattern(elementToSearch, IJavaSearchConstants.REFERENCES);
        engine.search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() }, createSearchScope(), new SearchRequestor() {

            @Override
            public void acceptSearchMatch(SearchMatch match) throws CoreException {
                Object o = match.getElement();
                if (o instanceof IJavaElement) {
                    IJavaElement element = (IJavaElement) o;
                    ICompilationUnit compilationUnit = (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
                    Location location = null;
                    if (compilationUnit != null) {
                        location = JDTUtils.toLocation(compilationUnit, match.getOffset(), match.getLength());
                    } else {
                        IClassFile cf = (IClassFile) element.getAncestor(IJavaElement.CLASS_FILE);
                        if (cf != null && cf.getSourceRange() != null) {
                            location = JDTUtils.toLocation(cf, match.getOffset(), match.getLength());
                        }
                    }
                    if (location != null) {
                        locations.add(location);
                    }
                }
            }
        }, monitor);
    } catch (CoreException e) {
        JavaLanguageServerPlugin.logException("Find references failure ", e);
    }
    return locations;
}

Example 27 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project eclipse.jdt.ls by eclipse.

the class ContentProviderManager method getContent.

private String getContent(Object source, String cacheKey, Class<? extends IContentProvider> providerType, IProgressMonitor monitor) {
    URI uri = source instanceof URI ? (URI) source : null;
    List<ContentProviderDescriptor> matches = findMatchingProviders(uri);
    if (monitor.isCanceled()) {
        return EMPTY_CONTENT;
    }
    int previousPriority = -1;
    for (ContentProviderDescriptor match : matches) {
        IContentProvider contentProvider = match.getContentProvider();
        if (!providerType.isInstance(contentProvider)) {
            JavaLanguageServerPlugin.logError("Unable to load " + providerType.getSimpleName() + " class for " + match.id);
            continue;
        }
        if (monitor.isCanceled()) {
            return EMPTY_CONTENT;
        }
        if (previousPriority == match.priority) {
            requestPreferredProvider(match.priority, matches);
        }
        try {
            contentProvider.setPreferences(preferenceManager.getPreferences());
            String content = null;
            if (uri != null) {
                content = contentProvider.getContent(uri, monitor);
            } else if (source instanceof IClassFile) {
                content = ((IDecompiler) contentProvider).getSource((IClassFile) source, monitor);
            }
            if (monitor.isCanceled()) {
                return EMPTY_CONTENT;
            } else if (content != null) {
                return content;
            }
        } catch (Exception e) {
            JavaLanguageServerPlugin.logException("Error getting content via " + match.id, e);
        }
        previousPriority = match.priority;
    }
    return EMPTY_CONTENT;
}

Example 28 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project eclipse.jdt.ls by eclipse.

the class JDTUtils method toLocation.

/**
 * Creates a location for a given java element.
 * Element can be a {@link ICompilationUnit} or {@link IClassFile}
 *
 * @param element
 * @return location or null
 * @throws JavaModelException
 */
public static Location toLocation(IJavaElement element) throws JavaModelException {
    ICompilationUnit unit = (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
    IClassFile cf = (IClassFile) element.getAncestor(IJavaElement.CLASS_FILE);
    if (unit == null && cf == null) {
        return null;
    }
    if (element instanceof ISourceReference) {
        ISourceRange nameRange = getNameRange(element);
        if (SourceRange.isAvailable(nameRange)) {
            if (cf == null) {
                return toLocation(unit, nameRange.getOffset(), nameRange.getLength());
            } else {
                return toLocation(cf, nameRange.getOffset(), nameRange.getLength());
            }
        }
    }
    return null;
}

Example 29 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project eclipse.jdt.ls by eclipse.

the class JDTUtils method resolveClassFile.

/**
 * Given the uri returns a {@link IClassFile}.
 * May return null if it can not resolve the uri to a
 * library.
 *
 * @see #toLocation(IClassFile, int, int)
 * @param uri with 'jdt' scheme
 * @return class file
 */
public static IClassFile resolveClassFile(URI uri) {
    if (uri != null && JDT_SCHEME.equals(uri.getScheme()) && "contents".equals(uri.getAuthority())) {
        String handleId = uri.getQuery();
        IJavaElement element = JavaCore.create(handleId);
        IClassFile cf = (IClassFile) element.getAncestor(IJavaElement.CLASS_FILE);
        return cf;
    }
    return null;
}

Example 30 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project flux by eclipse.

the class Repository method getClasspathResource.

public void getClasspathResource(JSONObject request) {
    try {
        final int callbackID = request.getInt("callback_id");
        final String sender = request.getString("requestSenderID");
        final String projectName = request.getString("project");
        final String resourcePath = request.getString("resource");
        final String username = request.getString("username");
        ConnectedProject connectedProject = this.syncedProjects.get(projectName);
        if (this.username.equals(username) && connectedProject != null) {
            String typeName = resourcePath.substring("classpath:/".length());
            if (typeName.endsWith(".class")) {
                typeName = typeName.substring(0, typeName.length() - ".class".length());
            }
            typeName = typeName.replace('/', '.');
            IJavaProject javaProject = JavaCore.create(connectedProject.getProject());
            if (javaProject != null) {
                IType type = javaProject.findType(typeName);
                IClassFile classFile = type.getClassFile();
                if (classFile != null && classFile.getSourceRange() != null) {
                    JSONObject message = new JSONObject();
                    message.put("callback_id", callbackID);
                    message.put("requestSenderID", sender);
                    message.put("username", this.username);
                    message.put("project", projectName);
                    message.put("resource", resourcePath);
                    message.put("readonly", true);
                    String content = classFile.getSource();
                    message.put("content", content);
                    message.put("type", "file");
                    messagingConnector.send("getResourceResponse", message);
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}