Java Code Examples for org.eclipse.jdt.core.JavaModelException#getMessage()

/**
 * Resolve the Java element at the selected position.
 * @return the resolved Java element information.
 */
public static Object resolveElementAtSelection(List<Object> arguments, IProgressMonitor monitor) throws DebugException {
    if (arguments == null || arguments.size() < 3) {
        return Collections.emptyList();
    }

    String uri = (String) arguments.get(0);
    int line = (int) Math.round((double) arguments.get(1));
    int column = (int) Math.round((double) arguments.get(2));
    final ICompilationUnit unit = JDTUtils.resolveCompilationUnit(uri);
    try {
        IJavaElement element = JDTUtils.findElementAtSelection(unit, line, column,
                JavaLanguageServerPlugin.getPreferencesManager(), monitor);
        if (element instanceof IMethod) {
            return new JavaElement(((IMethod) element).getDeclaringType().getFullyQualifiedName(),
                element.getJavaProject().getProject().getName(),
                ((IMethod) element).isMainMethod());
        } else if (element instanceof IType) {
            return new JavaElement(((IType) element).getFullyQualifiedName(),
                element.getJavaProject().getProject().getName(),
                ResolveMainMethodHandler.getMainMethod((IType) element) != null);
        }
    } catch (JavaModelException e) {
        throw new DebugException("Failed to resolve the selected element information: " + e.getMessage(), e);
    }

    return null;
}
 

public IJavaElement getSelectedResource(IStructuredSelection selection) {
	IJavaElement elem = null;
	if(selection != null && !selection.isEmpty()){
		Object o = selection.getFirstElement();
		elem = Adapters.adapt(o, IJavaElement.class);
		if(elem == null){
			elem = getPackage(o);
		}
	}
	if (elem == null) {
		IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
		IWorkbenchPart part = activePage.getActivePart();
		if (part instanceof ContentOutline) {
			part= activePage.getActiveEditor();
		}
		if (part instanceof XtextEditor) {
			IXtextDocument doc = ((XtextEditor)part).getDocument();
			IFile file = Adapters.adapt(doc, IFile.class);
			elem = getPackage(file);
		}
	}
	if (elem == null || elem.getElementType() == IJavaElement.JAVA_MODEL) {
		try {
			IJavaProject[] projects= JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()).getJavaProjects();
			if (projects.length == 1) {
				elem= projects[0];
			}
		} catch (JavaModelException e) {
			throw new RuntimeException(e.getMessage());
		}
	}
	return elem;
}
 

/** Replies the Java element that corresponds to the given selection.
 *
 * @param selection the current selection.
 * @return the Java element.
 */
@SuppressWarnings("static-method")
public IJavaElement getSelectedResource(IStructuredSelection selection) {
	IJavaElement elem = null;
	if (selection != null && !selection.isEmpty()) {
		final Object object = selection.getFirstElement();
		if (object instanceof IAdaptable) {
			final IAdaptable adaptable = (IAdaptable) object;
			elem = adaptable.getAdapter(IJavaElement.class);
			if (elem == null) {
				elem = getPackage(adaptable);
			}
		}
	}
	if (elem == null) {
		final IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
		IWorkbenchPart part = activePage.getActivePart();
		if (part instanceof ContentOutline) {
			part = activePage.getActiveEditor();
		}
		if (part instanceof XtextEditor) {
			final IXtextDocument doc = ((XtextEditor) part).getDocument();
			final IFile file = doc.getAdapter(IFile.class);
			elem = getPackage(file);
		}
	}
	if (elem == null || elem.getElementType() == IJavaElement.JAVA_MODEL) {
		try {
			final IJavaProject[] projects = JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()).getJavaProjects();
			if (projects.length == 1) {
				elem = projects[0];
			}
		} catch (JavaModelException e) {
			throw new RuntimeException(e.getMessage());
		}
	}
	return elem;
}
 

@Override
protected IStatus run(final IProgressMonitor monitor) {
    if (groovyCompilationUnit == null || !groovyCompilationUnit.exists()) {
        return Status.CANCEL_STATUS;
    }
    try {
        findDependencies();
    } catch (final JavaModelException e) {
        return new Status(Status.ERROR, Activator.PLUGIN_ID, e.getMessage(), e);
    }
    return Status.OK_STATUS;
}
 

public static Result listSourcePaths() {
	List<SourcePath> sourcePathList = new ArrayList<>();
	IProject[] projects = ProjectUtils.getAllProjects();
	for (IProject project : projects) {
		if (!ProjectsManager.DEFAULT_PROJECT_NAME.equals(project.getName()) && ProjectUtils.isJavaProject(project)) {
			try {
				IPath[] paths = ProjectUtils.listSourcePaths(JavaCore.create(project));
				for (IPath path : paths) {
					IPath entryPath = path;
					String projectName = project.getName();
					String projectType = "General";
					if (ProjectUtils.isMavenProject(project)) {
						projectType = "Maven";
					}

					if (ProjectUtils.isGradleProject(project)) {
						projectType = "Gradle";
					}

					IContainer projectRoot = project;
					if (!ProjectUtils.isVisibleProject(project)) {
						projectType = "Workspace";
						IFolder workspaceLinkFolder = project.getFolder(ProjectUtils.WORKSPACE_LINK);
						if (!workspaceLinkFolder.isLinked()) {
							continue;
						}

						projectRoot = workspaceLinkFolder;
					}

					IPath relativePath = entryPath.makeRelativeTo(projectRoot.getFullPath());
					IPath location = projectRoot.getRawLocation().append(relativePath);
					IPath displayPath = getWorkspacePath(location);
					sourcePathList.add(new SourcePath(location != null ? location.toOSString() : "",
						displayPath != null ? displayPath.toOSString() : entryPath.toOSString(),
						entryPath.toOSString(),
						projectName,
						projectType));
				}
			} catch (JavaModelException e) {
				JavaLanguageServerPlugin.logException("Failed to resolve the existing source paths in current workspace.", e);
				return new ListCommandResult(false, e.getMessage());
			}
		}
	}

	return new ListCommandResult(true, null, sourcePathList.toArray(new SourcePath[0]));
}