Java Code Examples for org.eclipse.core.resources.IWorkspaceRoot#getFileForLocation()

/**
 * get the IResource corresponding to the given file. Given file does not
 * need to exist.
 * 
 * @param file
 * @param isDirectory
 *            if true, an IContainer will be returned, otherwise an IFile
 *            will be returned
 * @return
 */
public static IResource getResource(File file, boolean isDirectory) {
	if (file == null) return null;
    IWorkspace workspace = ResourcesPlugin.getWorkspace();
    IWorkspaceRoot workspaceRoot = workspace.getRoot();

    IPath pathEclipse = new Path(file.getAbsolutePath());

    IResource resource = null;

    if (isDirectory) {
        resource = workspaceRoot.getContainerForLocation(pathEclipse);
    } else {
        resource = workspaceRoot.getFileForLocation(pathEclipse);
    }
    return resource;
}
 

/** @return a {@link IFile} for the given absolute file {@link URI} */
static public IFile convertFileUriToPlatformFile(org.eclipse.emf.common.util.URI fileUri) {
	if (fileUri.isFile()) {
		String fileString = fileUri.toFileString();
		IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
		IPath iPath = org.eclipse.core.runtime.Path.fromOSString(fileString);
		if (iPath != null) {
			IFile iFile = root.getFileForLocation(iPath);
			return iFile;
		}
	}
	return null;
}
 

public Object organizeImports(List<Object> arguments) throws CoreException {
	WorkspaceEdit edit = new WorkspaceEdit();
	if (arguments != null && !arguments.isEmpty() && arguments.get(0) instanceof String) {
		final String fileUri = (String) arguments.get(0);
		final IPath rootPath = ResourceUtils.filePathFromURI(fileUri);
		if (rootPath == null) {
			throw new CoreException(new Status(IStatus.ERROR, IConstants.PLUGIN_ID, "URI is not found"));
		}
		final IWorkspaceRoot wsroot = ResourcesPlugin.getWorkspace().getRoot();
		IResource resource = wsroot.getFileForLocation(rootPath);
		if (resource == null) {
			resource = wsroot.getContainerForLocation(rootPath);
		}
		if (resource != null) {
			final OrganizeImportsCommand command = new OrganizeImportsCommand();
			int type = resource.getType();
			switch (type) {
				case IResource.PROJECT:
					edit = command.organizeImportsInProject(resource.getAdapter(IProject.class));
					break;
				case IResource.FOLDER:
					edit = command.organizeImportsInDirectory(fileUri, resource.getProject());
					break;
				case IResource.FILE:
					edit = command.organizeImportsInFile(fileUri);
					break;
				default://This can only be IResource.ROOT. Which is not relevant to jdt.ls
					// do nothing allow to return the empty WorkspaceEdit.
					break;
			}
		}
	}
	return edit;
}
 

/**
 * @param path
 *            - absolute path to the element
 * @return
 */
public static IFile getWorkspaceFile(IPath path) {
    IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();

    try {
        return root.getFileForLocation(path);
    } catch (Exception e) {
        return null;
    }
}
 

/**
 * 获取相对于项目的相对路径
 * @param absolutePath
 * @return
 */
public String getFullPath(String absolutePath) {
	// UNDO 合并后的文件好像不能转换回原文件，这里还需完善。
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	IFile iFile = root.getFileForLocation(Path.fromOSString(absolutePath));
	return iFile.getFullPath().toOSString();
}
 

public static boolean validateXliffFile(String fileLocalPath) {
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	IFile file = root.getFileForLocation(URIUtil.toPath(new File(fileLocalPath).toURI()));
	if (file == null) {
		Shell shell = Display.getDefault().getActiveShell();
		MessageDialog.openError(shell, Messages.getString("file.XLFValidator.msgTitle"),
				Messages.getString("file.XLFValidator.msg9"));
		return false;
	}
	return validateXliffFile(file);
}
 

public static boolean validateXliffFile(File file) {
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	IFile ifile = root.getFileForLocation(URIUtil.toPath(file.toURI()));
	if (ifile == null) {
		Shell shell = Display.getDefault().getActiveShell();
		MessageDialog.openError(shell, Messages.getString("file.XLFValidator.msgTitle"),
				Messages.getString("file.XLFValidator.msg9"));
		return false;
	}
	return validateXliffFile(ifile);
}
 

/**
 * 获取相对于项目的相对路径
 * @param absolutePath
 * @return
 */
public String getFullPath(String absolutePath) {
	// UNDO 合并后的文件好像不能转换回原文件，这里还需完善。
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	IFile iFile = root.getFileForLocation(Path.fromOSString(absolutePath));
	return iFile.getFullPath().toOSString();
}
 

public static boolean validateXliffFile(String fileLocalPath) {
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	IFile file = root.getFileForLocation(URIUtil.toPath(new File(fileLocalPath).toURI()));
	if (file == null) {
		Shell shell = Display.getDefault().getActiveShell();
		MessageDialog.openError(shell, Messages.getString("file.XLFValidator.msgTitle"),
				Messages.getString("file.XLFValidator.msg9"));
		return false;
	}
	return validateXliffFile(file);
}
 

public static boolean validateXliffFile(File file) {
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	IFile ifile = root.getFileForLocation(URIUtil.toPath(file.toURI()));
	if (ifile == null) {
		Shell shell = Display.getDefault().getActiveShell();
		MessageDialog.openError(shell, Messages.getString("file.XLFValidator.msgTitle"),
				Messages.getString("file.XLFValidator.msg9"));
		return false;
	}
	return validateXliffFile(ifile);
}
 

private CPListElement[] doOpenExternalJarFileDialog(CPListElement existing, Object parent) {
	String lastUsedPath;
	if (existing != null) {
		lastUsedPath= existing.getPath().removeLastSegments(1).toOSString();
	} else {
		lastUsedPath= fDialogSettings.get(IUIConstants.DIALOGSTORE_LASTEXTJAR);
		if (lastUsedPath == null) {
			lastUsedPath= ""; //$NON-NLS-1$
		}
	}
	String title= (existing == null) ? PreferencesMessages.UserLibraryPreferencePage_browsejar_new_title : PreferencesMessages.UserLibraryPreferencePage_browsejar_edit_title;

	FileDialog dialog= new FileDialog(getShell(), existing == null ? SWT.MULTI : SWT.SINGLE);
	dialog.setText(title);
	dialog.setFilterExtensions(ArchiveFileFilter.ALL_ARCHIVES_FILTER_EXTENSIONS);
	dialog.setFilterPath(lastUsedPath);
	if (existing != null) {
		dialog.setFileName(existing.getPath().lastSegment());
	}

	String res= dialog.open();
	if (res == null) {
		return null;
	}
	String[] fileNames= dialog.getFileNames();
	int nChosen= fileNames.length;

	IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();

	IPath filterPath= Path.fromOSString(dialog.getFilterPath());
	CPListElement[] elems= new CPListElement[nChosen];
	for (int i= 0; i < nChosen; i++) {
		IPath path= filterPath.append(fileNames[i]).makeAbsolute();

		IFile file= root.getFileForLocation(path); // support internal JARs: bug 133191
		if (file != null) {
			path= file.getFullPath();
		}

		CPListElement curr= new CPListElement(parent, null, IClasspathEntry.CPE_LIBRARY, path, file);
		curr.setAttribute(CPListElement.SOURCEATTACHMENT, BuildPathSupport.guessSourceAttachment(curr));
		curr.setAttribute(CPListElement.JAVADOC, BuildPathSupport.guessJavadocLocation(curr));
		elems[i]= curr;
	}
	fDialogSettings.put(IUIConstants.DIALOGSTORE_LASTEXTJAR, dialog.getFilterPath());

	return elems;
}