tools/remotetools/org.eclipse.ptp.remotetools.core/src/org/eclipse/ptp/remotetools/internal/ssh/PathTools.java - ptp/org.eclipse.ptp - Git at Google

 /******************************************************************************
  * Copyright (c) 2006 IBM Corporation.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - Initial Implementation
  *
  *****************************************************************************/
 package org.eclipse.ptp.remotetools.internal.ssh;

 import java.awt.geom.IllegalPathStateException;
 import java.text.CharacterIterator;
 import java.text.StringCharacterIterator;

 import org.eclipse.ptp.remotetools.core.IRemotePathTools;
 import org.eclipse.ptp.remotetools.core.messages.Messages;


 public class PathTools implements IRemotePathTools {
 	private static final String rootPath = "/"; //$NON-NLS-1$
 	ExecutionManager executionManager;

 	public PathTools(ExecutionManager manager) {
 		this.executionManager = manager;
 	}

 	public String rootPath() {
 		return new String(rootPath);
 	}

 	public boolean isRoot(String path) {
 		if (path == null) throw new IllegalPathStateException();
 		return path.equals(rootPath);
 	}

 	public boolean isAbsolute(String path) {
 		if (path == null) throw new IllegalPathStateException();
 		return path.startsWith("/"); //$NON-NLS-1$
 	}

 	public boolean isRelative(String path) {
 		if (path == null) throw new IllegalPathStateException();
 		return ! path.startsWith("/"); //$NON-NLS-1$
 	}

 	public boolean isLeave(String path) {
 		if (path == null) throw new IllegalPathStateException();
 		return ! (isRoot(path) || path.endsWith("/")); //$NON-NLS-1$
 	}

 	public String leave(String path) {
 		if (path == null) throw new IllegalPathStateException();
 		if (isRoot(path)) return rootPath();
 		if (isLeave(path)) {
 			return path.substring(0, path.length()-1);
 		} else {
 			return new String(path);
 		}
 	}

 	public String canonicalize(String path) {
 		/*
 		 * Remove "." (current directory)
 		 * Remove "a/.." (parent directory)
 		 * Remove "//" (empty directory)
 		 */
 		if (path == null) throw new IllegalPathStateException();
 		if (isRoot(path)) return rootPath();

 		/*
 		 * Split the path an remeber properties.
 		 */
 		String segments[] = split(path);
 		boolean absolute = isAbsolute(path);
 		boolean leave = isLeave(path);

 		return canonicalize(segments, absolute, leave);
 	}

 	private String canonicalize(String segments[], boolean absolute, boolean leave) {
 		int lastPosition = 0;
 		int currentPosition = 0;
 		int currentSize = segments.length;
 		while (currentPosition < segments.length) {
 			String segment = segments[currentPosition];
 			if (segment.equals(".") || segment.equals("")) { //$NON-NLS-1$ //$NON-NLS-2$
 				// Skip segment
 				currentPosition++;
 				continue;
 			} else if (segment.equals("..")) { //$NON-NLS-1$
 				if (lastPosition == 0) {
 					if (absolute) {
 						// Ignore, the parent of the root is the root itself.
 						currentPosition++;
 					} else {
 						// Keep, since the path is relative.
 						if (currentPosition > lastPosition) {
 							segments[lastPosition] = segments[currentPosition];
 						}
 						lastPosition++;
 						currentPosition++;
 					}
 				} else {
 					// Remove the segment and the parent, if the parent is not already ".."
 					String segment2 = segments[lastPosition-1];
 					if (segment2.equals("..")) { //$NON-NLS-1$
 						// Keep
 						if (currentPosition > lastPosition) {
 							segments[lastPosition] = segments[currentPosition];
 						}
 						lastPosition++;
 						currentPosition++;
 					} else {
 						// Remove parent
 						lastPosition--;
 						currentPosition++;
 					}
 				}
 			} else {
 				// Keep
 				if (currentPosition > lastPosition) {
 					segments[lastPosition] = segments[currentPosition];
 				}
 				lastPosition++;
 				currentPosition++;
 			}
 		}
 		currentSize = lastPosition;

 		/*
 		 * Rebuild the path as a string.
 		 */
 		return unsplit(segments, 0, currentSize-1, absolute, leave);
 	}

 	public String join(String base, String path) {
 		if (base == null) throw new IllegalPathStateException();
 		if (path == null) throw new IllegalPathStateException();
 		if (isAbsolute(path)) return canonicalize(path);
 		String s1[] = split(base);
 		String s2[] = split(path);
 		String s[] = new String[s1.length + s2.length];
 		System.arraycopy(s1, 0, s, 0, s1.length);
 		System.arraycopy(s2, 0, s, s1.length, s2.length);
 		boolean absolute = isAbsolute(base);
 		boolean leave = isLeave(path);
 		return canonicalize(s,absolute,leave);
 	}

 	public String parent(String path) {
 		if (path == null) throw new IllegalPathStateException();
 		if (isRoot(path)) return rootPath();
 		return join(path, ".."); //$NON-NLS-1$
 	}

 	private String [] split (String path) {
 		if (isRoot(path)) {
 			return new String[0];
 		}
 		int start = 0;
 		int end = path.length();
 		if (isAbsolute(path)) {
 			// Ignore trailing "/"
 			start++;
 		}
 		if (! isLeave(path)) {
 			// Ignore ending "/"
 			end--;
 		}
 		return path.substring(start, end).split("/"); //$NON-NLS-1$
 	}

 	private String unsplit(String[] segments, int start, int end, boolean absolute, boolean leave) {
 		String result = null;
 		int segmentCount = end-start+1;
 		if (segmentCount <= 0) {
 			if (absolute) {
 				return rootPath;
 			} else {
 				return ""; //$NON-NLS-1$
 			}
 		}
 		if (absolute) {
 			result = "/"; //$NON-NLS-1$
 		} else {
 			result = ""; //$NON-NLS-1$
 		}
 		for (int i = start; i <= end; i++) {
 			if (i != start) {
 				result += "/"; //$NON-NLS-1$
 			}
 			result += segments[i];
 		}
 		if (! leave) {
 			if (segmentCount > 0) {
 				result += "/"; //$NON-NLS-1$
 			}
 		}
 		return result;
 	}

 	public String quote(String path, boolean full) {
 		StringBuffer buffer = new StringBuffer();
 		StringCharacterIterator iter = new StringCharacterIterator(path);
 		for (char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
 			switch (c) {
 			case '(':
 			case ')':
 			case '[':
 			case ']':
 			case '{':
 			case '}':
 			case '|':
 			case '\\':
 			case '*':
 			case '&':
 			case '^':
 			case '%':
 			case '$':
 			case '#':
 			case '@':
 			case '!':
 			case '~':
 			case '`':
 			case '\'':
 			case '"':
 			case ':':
 			case ';':
 			case '?':
 			case '<':
 			case '>':
 			case ',':
 			case '\n':
 				if (full) {
 					buffer.append('\\');
 				}
 				buffer.append(c);
 				continue;
 			case ' ':
 				buffer.append('\\');
 				buffer.append(c);
 				continue;
 			default:
 				buffer.append(c);
 				continue;
 			}
 		}
 		return buffer.toString();
 	}

 	public static void main(String[] args) {
 		IRemotePathTools tools = new PathTools(null);
 		System.out.println(tools.rootPath());
 		System.out.println();
 		System.out.println(tools.isRoot("/")); //$NON-NLS-1$
 		System.out.println(tools.isRoot("/a")); //$NON-NLS-1$
 		System.out.println(tools.isRoot("/a/")); //$NON-NLS-1$
 		System.out.println(tools.isRoot("a")); //$NON-NLS-1$
 		System.out.println();
 		System.out.println(tools.isAbsolute("/")); //$NON-NLS-1$
 		System.out.println(tools.isAbsolute("/a")); //$NON-NLS-1$
 		System.out.println(tools.isAbsolute("/a/")); //$NON-NLS-1$
 		System.out.println(tools.isAbsolute("a")); //$NON-NLS-1$
 		System.out.println();
 		System.out.println(tools.isRelative("/")); //$NON-NLS-1$
 		System.out.println(tools.isRelative("/a")); //$NON-NLS-1$
 		System.out.println(tools.isRelative("/a/")); //$NON-NLS-1$
 		System.out.println(tools.isRelative("a")); //$NON-NLS-1$
 		System.out.println();
 		System.out.println(tools.isLeave("/")); //$NON-NLS-1$
 		System.out.println(tools.isLeave("/a")); //$NON-NLS-1$
 		System.out.println(tools.isLeave("/a/")); //$NON-NLS-1$
 		System.out.println(tools.isLeave("a")); //$NON-NLS-1$
 		System.out.println();
 		System.out.println(tools.parent("/")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a/b")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a/")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a/.")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a/..")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a//")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a/b/")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a/b/.")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a/b/..")); //$NON-NLS-1$
 		System.out.println(tools.parent("/a/b//")); //$NON-NLS-1$
 		System.out.println(tools.parent("/..")); //$NON-NLS-1$
 		System.out.println(tools.parent("/.")); //$NON-NLS-1$
 		System.out.println();
 		System.out.println(tools.parent("")); //$NON-NLS-1$
 		System.out.println(tools.parent("a")); //$NON-NLS-1$
 		System.out.println(tools.parent("a/b")); //$NON-NLS-1$
 		System.out.println(tools.parent(Messages.PathTools_47));
 		System.out.println(tools.parent("a/.")); //$NON-NLS-1$
 		System.out.println(tools.parent("a/..")); //$NON-NLS-1$
 		System.out.println(tools.parent("a//")); //$NON-NLS-1$
 		System.out.println(tools.parent("a/b/")); //$NON-NLS-1$
 		System.out.println(tools.parent("a/b/.")); //$NON-NLS-1$
 		System.out.println(tools.parent("a/b/..")); //$NON-NLS-1$
 		System.out.println(tools.parent("a/b//")); //$NON-NLS-1$
 		System.out.println(tools.parent("..")); //$NON-NLS-1$
 		System.out.println(tools.parent(".")); //$NON-NLS-1$
 		System.out.println();
 		System.out.println(tools.join("b", "a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b", "..")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b", ".")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b", "")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b", "/")); //$NON-NLS-1$ //$NON-NLS-2$

 		System.out.println(tools.join("b/", "a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b/", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b/", "..")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b/", ".")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b/", "")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("b/", "/")); //$NON-NLS-1$ //$NON-NLS-2$

 		System.out.println(tools.join(".", "a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join(".", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join(".", "..")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join(".", ".")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join(".", "")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join(".", "/")); //$NON-NLS-1$ //$NON-NLS-2$

 		System.out.println(tools.join("..", "a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("..", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("..", "..")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("..", ".")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("..", "")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("..", "/")); //$NON-NLS-1$ //$NON-NLS-2$

 		System.out.println(tools.join("", "a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("", "..")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("", ".")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("", "")); //$NON-NLS-1$ //$NON-NLS-2$
 		System.out.println(tools.join("", "/")); //$NON-NLS-1$ //$NON-NLS-2$

 	}

 }
	/******************************************************************************
	* Copyright (c) 2006 IBM Corporation.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - Initial Implementation
	*
	*****************************************************************************/
	package org.eclipse.ptp.remotetools.internal.ssh;

	import java.awt.geom.IllegalPathStateException;
	import java.text.CharacterIterator;
	import java.text.StringCharacterIterator;

	import org.eclipse.ptp.remotetools.core.IRemotePathTools;
	import org.eclipse.ptp.remotetools.core.messages.Messages;


	public class PathTools implements IRemotePathTools {
	private static final String rootPath = "/"; //$NON-NLS-1$
	ExecutionManager executionManager;

	public PathTools(ExecutionManager manager) {
	this.executionManager = manager;
	}

	public String rootPath() {
	return new String(rootPath);
	}

	public boolean isRoot(String path) {
	if (path == null) throw new IllegalPathStateException();
	return path.equals(rootPath);
	}

	public boolean isAbsolute(String path) {
	if (path == null) throw new IllegalPathStateException();
	return path.startsWith("/"); //$NON-NLS-1$
	}

	public boolean isRelative(String path) {
	if (path == null) throw new IllegalPathStateException();
	return ! path.startsWith("/"); //$NON-NLS-1$
	}

	public boolean isLeave(String path) {
	if (path == null) throw new IllegalPathStateException();
	return ! (isRoot(path) \|\| path.endsWith("/")); //$NON-NLS-1$
	}

	public String leave(String path) {
	if (path == null) throw new IllegalPathStateException();
	if (isRoot(path)) return rootPath();
	if (isLeave(path)) {
	return path.substring(0, path.length()-1);
	} else {
	return new String(path);
	}
	}

	public String canonicalize(String path) {
	/*
	* Remove "." (current directory)
	* Remove "a/.." (parent directory)
	* Remove "//" (empty directory)
	*/
	if (path == null) throw new IllegalPathStateException();
	if (isRoot(path)) return rootPath();

	/*
	* Split the path an remeber properties.
	*/
	String segments[] = split(path);
	boolean absolute = isAbsolute(path);
	boolean leave = isLeave(path);

	return canonicalize(segments, absolute, leave);
	}

	private String canonicalize(String segments[], boolean absolute, boolean leave) {
	int lastPosition = 0;
	int currentPosition = 0;
	int currentSize = segments.length;
	while (currentPosition < segments.length) {
	String segment = segments[currentPosition];
	if (segment.equals(".") \|\| segment.equals("")) { //$NON-NLS-1$ //$NON-NLS-2$
	// Skip segment
	currentPosition++;
	continue;
	} else if (segment.equals("..")) { //$NON-NLS-1$
	if (lastPosition == 0) {
	if (absolute) {
	// Ignore, the parent of the root is the root itself.
	currentPosition++;
	} else {
	// Keep, since the path is relative.
	if (currentPosition > lastPosition) {
	segments[lastPosition] = segments[currentPosition];
	}
	lastPosition++;
	currentPosition++;
	}
	} else {
	// Remove the segment and the parent, if the parent is not already ".."
	String segment2 = segments[lastPosition-1];
	if (segment2.equals("..")) { //$NON-NLS-1$
	// Keep
	if (currentPosition > lastPosition) {
	segments[lastPosition] = segments[currentPosition];
	}
	lastPosition++;
	currentPosition++;
	} else {
	// Remove parent
	lastPosition--;
	currentPosition++;
	}
	}
	} else {
	// Keep
	if (currentPosition > lastPosition) {
	segments[lastPosition] = segments[currentPosition];
	}
	lastPosition++;
	currentPosition++;
	}
	}
	currentSize = lastPosition;

	/*
	* Rebuild the path as a string.
	*/
	return unsplit(segments, 0, currentSize-1, absolute, leave);
	}

	public String join(String base, String path) {
	if (base == null) throw new IllegalPathStateException();
	if (path == null) throw new IllegalPathStateException();
	if (isAbsolute(path)) return canonicalize(path);
	String s1[] = split(base);
	String s2[] = split(path);
	String s[] = new String[s1.length + s2.length];
	System.arraycopy(s1, 0, s, 0, s1.length);
	System.arraycopy(s2, 0, s, s1.length, s2.length);
	boolean absolute = isAbsolute(base);
	boolean leave = isLeave(path);
	return canonicalize(s,absolute,leave);
	}

	public String parent(String path) {
	if (path == null) throw new IllegalPathStateException();
	if (isRoot(path)) return rootPath();
	return join(path, ".."); //$NON-NLS-1$
	}

	private String [] split (String path) {
	if (isRoot(path)) {
	return new String[0];
	}
	int start = 0;
	int end = path.length();
	if (isAbsolute(path)) {
	// Ignore trailing "/"
	start++;
	}
	if (! isLeave(path)) {
	// Ignore ending "/"
	end--;
	}
	return path.substring(start, end).split("/"); //$NON-NLS-1$
	}

	private String unsplit(String[] segments, int start, int end, boolean absolute, boolean leave) {
	String result = null;
	int segmentCount = end-start+1;
	if (segmentCount <= 0) {
	if (absolute) {
	return rootPath;
	} else {
	return ""; //$NON-NLS-1$
	}
	}
	if (absolute) {
	result = "/"; //$NON-NLS-1$
	} else {
	result = ""; //$NON-NLS-1$
	}
	for (int i = start; i <= end; i++) {
	if (i != start) {
	result += "/"; //$NON-NLS-1$
	}
	result += segments[i];
	}
	if (! leave) {
	if (segmentCount > 0) {
	result += "/"; //$NON-NLS-1$
	}
	}
	return result;
	}

	public String quote(String path, boolean full) {
	StringBuffer buffer = new StringBuffer();
	StringCharacterIterator iter = new StringCharacterIterator(path);
	for (char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
	switch (c) {
	case '(':
	case ')':
	case '[':
	case ']':
	case '{':
	case '}':
	case '\|':
	case '\\':
	case '*':
	case '&':
	case '^':
	case '%':
	case '$':
	case '#':
	case '@':
	case '!':
	case '~':
	case '`':
	case '\'':
	case '"':
	case ':':
	case ';':
	case '?':
	case '<':
	case '>':
	case ',':
	case '\n':
	if (full) {
	buffer.append('\\');
	}
	buffer.append(c);
	continue;
	case ' ':
	buffer.append('\\');
	buffer.append(c);
	continue;
	default:
	buffer.append(c);
	continue;
	}
	}
	return buffer.toString();
	}

	public static void main(String[] args) {
	IRemotePathTools tools = new PathTools(null);
	System.out.println(tools.rootPath());
	System.out.println();
	System.out.println(tools.isRoot("/")); //$NON-NLS-1$
	System.out.println(tools.isRoot("/a")); //$NON-NLS-1$
	System.out.println(tools.isRoot("/a/")); //$NON-NLS-1$
	System.out.println(tools.isRoot("a")); //$NON-NLS-1$
	System.out.println();
	System.out.println(tools.isAbsolute("/")); //$NON-NLS-1$
	System.out.println(tools.isAbsolute("/a")); //$NON-NLS-1$
	System.out.println(tools.isAbsolute("/a/")); //$NON-NLS-1$
	System.out.println(tools.isAbsolute("a")); //$NON-NLS-1$
	System.out.println();
	System.out.println(tools.isRelative("/")); //$NON-NLS-1$
	System.out.println(tools.isRelative("/a")); //$NON-NLS-1$
	System.out.println(tools.isRelative("/a/")); //$NON-NLS-1$
	System.out.println(tools.isRelative("a")); //$NON-NLS-1$
	System.out.println();
	System.out.println(tools.isLeave("/")); //$NON-NLS-1$
	System.out.println(tools.isLeave("/a")); //$NON-NLS-1$
	System.out.println(tools.isLeave("/a/")); //$NON-NLS-1$
	System.out.println(tools.isLeave("a")); //$NON-NLS-1$
	System.out.println();
	System.out.println(tools.parent("/")); //$NON-NLS-1$
	System.out.println(tools.parent("/a")); //$NON-NLS-1$
	System.out.println(tools.parent("/a/b")); //$NON-NLS-1$
	System.out.println(tools.parent("/a/")); //$NON-NLS-1$
	System.out.println(tools.parent("/a/.")); //$NON-NLS-1$
	System.out.println(tools.parent("/a/..")); //$NON-NLS-1$
	System.out.println(tools.parent("/a//")); //$NON-NLS-1$
	System.out.println(tools.parent("/a/b/")); //$NON-NLS-1$
	System.out.println(tools.parent("/a/b/.")); //$NON-NLS-1$
	System.out.println(tools.parent("/a/b/..")); //$NON-NLS-1$
	System.out.println(tools.parent("/a/b//")); //$NON-NLS-1$
	System.out.println(tools.parent("/..")); //$NON-NLS-1$
	System.out.println(tools.parent("/.")); //$NON-NLS-1$
	System.out.println();
	System.out.println(tools.parent("")); //$NON-NLS-1$
	System.out.println(tools.parent("a")); //$NON-NLS-1$
	System.out.println(tools.parent("a/b")); //$NON-NLS-1$
	System.out.println(tools.parent(Messages.PathTools_47));
	System.out.println(tools.parent("a/.")); //$NON-NLS-1$
	System.out.println(tools.parent("a/..")); //$NON-NLS-1$
	System.out.println(tools.parent("a//")); //$NON-NLS-1$
	System.out.println(tools.parent("a/b/")); //$NON-NLS-1$
	System.out.println(tools.parent("a/b/.")); //$NON-NLS-1$
	System.out.println(tools.parent("a/b/..")); //$NON-NLS-1$
	System.out.println(tools.parent("a/b//")); //$NON-NLS-1$
	System.out.println(tools.parent("..")); //$NON-NLS-1$
	System.out.println(tools.parent(".")); //$NON-NLS-1$
	System.out.println();
	System.out.println(tools.join("b", "a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b", "..")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b", ".")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b", "")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b", "/")); //$NON-NLS-1$ //$NON-NLS-2$

	System.out.println(tools.join("b/", "a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b/", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b/", "..")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b/", ".")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b/", "")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("b/", "/")); //$NON-NLS-1$ //$NON-NLS-2$

	System.out.println(tools.join(".", "a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join(".", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join(".", "..")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join(".", ".")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join(".", "")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join(".", "/")); //$NON-NLS-1$ //$NON-NLS-2$

	System.out.println(tools.join("..", "a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("..", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("..", "..")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("..", ".")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("..", "")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("..", "/")); //$NON-NLS-1$ //$NON-NLS-2$

	System.out.println(tools.join("", "a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("", "/a")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("", "..")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("", ".")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("", "")); //$NON-NLS-1$ //$NON-NLS-2$
	System.out.println(tools.join("", "/")); //$NON-NLS-1$ //$NON-NLS-2$

	}

	}