| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.wizards.datatransfer; |
| |
| import java.io.*; |
| import java.util.*; |
| |
| /** |
| * This class provides information regarding the structure and |
| * content of specified file system File objects. |
| */ |
| public class FileSystemStructureProvider implements IImportStructureProvider { |
| |
| /** |
| * Holds a singleton instance of this class. |
| */ |
| public final static FileSystemStructureProvider INSTANCE = new FileSystemStructureProvider(); |
| /** |
| * Creates an instance of <code>FileSystemStructureProvider</code>. |
| */ |
| private FileSystemStructureProvider() { |
| super(); |
| } |
| /* (non-Javadoc) |
| * Method declared on IImportStructureProvider |
| */ |
| public List getChildren(Object element) { |
| File folder = (File) element; |
| String[] children = folder.list(); |
| int childrenLength = children == null ? 0 : children.length; |
| List result = new ArrayList(childrenLength); |
| |
| for (int i = 0; i < childrenLength; i++) |
| result.add(new File(folder, children[i])); |
| |
| return result; |
| } |
| /* (non-Javadoc) |
| * Method declared on IImportStructureProvider |
| */ |
| public InputStream getContents(Object element) { |
| try { |
| return new FileInputStream((File)element); |
| } catch (FileNotFoundException e) { |
| return null; |
| } |
| } |
| /* (non-Javadoc) |
| * Method declared on IImportStructureProvider |
| */ |
| public String getFullPath(Object element) { |
| return ((File)element).getPath(); |
| } |
| /* (non-Javadoc) |
| * Method declared on IImportStructureProvider |
| */ |
| public String getLabel(Object element) { |
| |
| //Get the name - if it is empty then return the path as it is a file root |
| File file = (File) element; |
| String name = file.getName(); |
| if (name.length() == 0) |
| return file.getPath(); |
| else |
| return name; |
| } |
| /* (non-Javadoc) |
| * Method declared on IImportStructureProvider |
| */ |
| public boolean isFolder(Object element) { |
| return ((File)element).isDirectory(); |
| } |
| } |