[Target Explorer] enable quick filter

1 files changed, 596 insertions, 579 deletions

diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/model/FSTreeNode.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/model/FSTreeNode.java
index 104f97c41..16265e42c 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/model/FSTreeNode.java
+++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/model/FSTreeNode.java
@@ -35,6 +35,7 @@ import org.eclipse.tcf.protocol.Protocol;
 import org.eclipse.tcf.services.IFileSystem;
 import org.eclipse.tcf.services.IFileSystem.DirEntry;
 import org.eclipse.tcf.services.IFileSystem.FileAttrs;
+import org.eclipse.tcf.te.core.interfaces.IFilterable;
 import org.eclipse.tcf.te.runtime.callback.Callback;
 import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
 import org.eclipse.tcf.te.tcf.core.concurrent.CallbackMonitor;
@@ -57,604 +58,620 @@ import org.eclipse.tcf.te.tcf.filesystem.core.nls.Messages;
  * <b>Note:</b> Node construction and child list access is limited to the TCF
  * event dispatch thread.
  */
-public final class FSTreeNode extends AbstractTreeNode implements Cloneable {
-	// The constant to access the Windows Attributes.
-	private static final String KEY_WIN32_ATTRS = "Win32Attrs"; //$NON-NLS-1$
-
-	/**
-	 * The tree node file system attributes
-	 */
-	public IFileSystem.FileAttrs attr = null;
-
-	/**
-	 * Create a folder node using the specified parent node, the directory entry
-	 * and the flag to indicate if it is a root node.
-	 * 
-	 * @param parentNode The parent node.
-	 * @param entry The directory entry.
-	 * @param entryIsRootNode If this folder is root folder.
-	 */
-	public FSTreeNode(FSTreeNode parentNode, DirEntry entry, boolean entryIsRootNode) {
-		Assert.isNotNull(entry);
-		IFileSystem.FileAttrs attrs = entry.attrs;
-
-		this.attr = attrs;
-		this.name = entry.filename;
-		if (attrs == null || attrs.isDirectory()) {
-			this.type = entryIsRootNode ? "FSRootDirNode" : "FSDirNode"; //$NON-NLS-1$ //$NON-NLS-2$
-		} else if (attrs.isFile()) {
-			this.type = "FSFileNode"; //$NON-NLS-1$
-		}
-		this.parent = parentNode;
-		this.peerNode = parentNode.peerNode;
-		Assert.isTrue(Protocol.isDispatchThread());
-	}
-	
-	/**
-	 * Constructor.
-	 */
-	public FSTreeNode() {
-		Assert.isTrue(Protocol.isDispatchThread());
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * @see java.lang.Object#clone()
-	 */
-	@Override
-	public Object clone() {
-		if (Protocol.isDispatchThread()) {
-			FSTreeNode clone = new FSTreeNode();
-			clone.childrenQueried = childrenQueried;
-			clone.childrenQueryRunning = childrenQueryRunning;
-			clone.name = name;
-			clone.parent = parent;
-			clone.peerNode = peerNode;
-			clone.type = type;
-			if (attr != null) {
-				Map<String, Object> attributes = new HashMap<String, Object>(attr.attributes);
-				clone.attr = new IFileSystem.FileAttrs(attr.flags, attr.size, attr.uid, attr.gid, attr.permissions, attr.atime, attr.mtime, attributes);
-			} else {
-				clone.attr = null;
-			}
-			return clone;
-		}
-		final Object[] objects = new Object[1];
-		Protocol.invokeAndWait(new Runnable() {
-
-			@Override
-			public void run() {
-				objects[0] = FSTreeNode.this.clone();
-			}
-		});
-		return objects[0];
-	}
-
-	/**
-	 * Change the file/folder's write permission.
-	 * @param b true if the agent is granted with its write permission.
-	 */
-	public void setWritable(boolean b) {
-		UserAccount account = getUserAccount(peerNode);
-		if (account != null && attr != null) {
-			int bit;
-			if (attr.uid == account.getEUID()) {
-				bit = IFileSystem.S_IWUSR;
-			} else if (attr.gid == account.getEGID()) {
-				bit = IFileSystem.S_IWGRP;
-			} else {
-				bit = IFileSystem.S_IWOTH;
-			}
-			int permissions = attr.permissions;
-			setPermissions(b ? (permissions | bit):(permissions & ~ bit));
-		}
-    }
-
-	/**
-	 * Set the file's permissions.
-	 * @param permissions The new permissions.
-	 */
-	public void setPermissions(int permissions) {
-		attr = new IFileSystem.FileAttrs(attr.flags, attr.size, attr.uid, attr.gid, permissions, attr.atime, attr.mtime, attr.attributes);
-    }
-	
-	/**
-	 * Returns the children outside of TCF thread.
-	 * 
-	 * @return The children list.
-	 */
-	@SuppressWarnings("unchecked")
+public final class FSTreeNode extends AbstractTreeNode implements Cloneable, IFilterable {
+    // The constant to access the Windows Attributes.
+    private static final String KEY_WIN32_ATTRS = "Win32Attrs"; //$NON-NLS-1$
+
+    /**
+     * The tree node file system attributes
+     */
+    public IFileSystem.FileAttrs attr = null;
+
+    /**
+     * Create a folder node using the specified parent node, the directory entry
+     * and the flag to indicate if it is a root node.
+     * 
+     * @param parentNode The parent node.
+     * @param entry The directory entry.
+     * @param entryIsRootNode If this folder is root folder.
+     */
+    public FSTreeNode(FSTreeNode parentNode, DirEntry entry, boolean entryIsRootNode) {
+        Assert.isNotNull(entry);
+        IFileSystem.FileAttrs attrs = entry.attrs;
+
+        this.attr = attrs;
+        this.name = entry.filename;
+        if (attrs == null || attrs.isDirectory()) {
+            this.type = entryIsRootNode ? "FSRootDirNode" : "FSDirNode"; //$NON-NLS-1$ //$NON-NLS-2$
+        } else if (attrs.isFile()) {
+            this.type = "FSFileNode"; //$NON-NLS-1$
+        }
+        this.parent = parentNode;
+        this.peerNode = parentNode.peerNode;
+        Assert.isTrue(Protocol.isDispatchThread());
+    }
+
+    /**
+     * Constructor.
+     */
+    public FSTreeNode() {
+        Assert.isTrue(Protocol.isDispatchThread());
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see java.lang.Object#clone()
+     */
+    @Override
+    public Object clone() {
+        if (Protocol.isDispatchThread()) {
+            FSTreeNode clone = new FSTreeNode();
+            clone.childrenQueried = childrenQueried;
+            clone.childrenQueryRunning = childrenQueryRunning;
+            clone.name = name;
+            clone.parent = parent;
+            clone.peerNode = peerNode;
+            clone.type = type;
+            if (attr != null) {
+                Map<String, Object> attributes = new HashMap<String, Object>(attr.attributes);
+                clone.attr = new IFileSystem.FileAttrs(attr.flags, attr.size, attr.uid, attr.gid, attr.permissions, attr.atime, attr.mtime, attributes);
+            } else {
+                clone.attr = null;
+            }
+            return clone;
+        }
+        final Object[] objects = new Object[1];
+        Protocol.invokeAndWait(new Runnable() {
+
+            @Override
+            public void run() {
+                objects[0] = FSTreeNode.this.clone();
+            }
+        });
+        return objects[0];
+    }
+
+    /**
+     * Change the file/folder's write permission.
+     * @param b true if the agent is granted with its write permission.
+     */
+    public void setWritable(boolean b) {
+        UserAccount account = getUserAccount(peerNode);
+        if (account != null && attr != null) {
+            int bit;
+            if (attr.uid == account.getEUID()) {
+                bit = IFileSystem.S_IWUSR;
+            } else if (attr.gid == account.getEGID()) {
+                bit = IFileSystem.S_IWGRP;
+            } else {
+                bit = IFileSystem.S_IWOTH;
+            }
+            int permissions = attr.permissions;
+            setPermissions(b ? (permissions | bit):(permissions & ~ bit));
+        }
+    }
+
+    /**
+     * Set the file's permissions.
+     * @param permissions The new permissions.
+     */
+    public void setPermissions(int permissions) {
+        attr = new IFileSystem.FileAttrs(attr.flags, attr.size, attr.uid, attr.gid, permissions, attr.atime, attr.mtime, attr.attributes);
+    }
+
+    /**
+     * Returns the children outside of TCF thread.
+     * 
+     * @return The children list.
+     */
+    @SuppressWarnings("unchecked")
     @Override
-	public List<FSTreeNode> getChildren() {
-		return (List<FSTreeNode>) super.getChildren();
-	}
-
-	/**
-	 * Return if the node is a Windows file/folder node.
-	 *
-	 * @return true if it is a Windows node, or else false.
-	 */
-	public boolean isWindowsNode() {
-		if (attr != null && attr.attributes != null) {
-			return attr.attributes.containsKey(KEY_WIN32_ATTRS);
-		}
-		if (peerNode != null) {
-			String OSName = TargetPropertyTester.getOSName(peerNode);
-			if(OSName != null){
-				return OSName.startsWith("Windows"); //$NON-NLS-1$
-			}
-		}
-		synchronized (children) {
-			if (!children.isEmpty()) {
-				for (AbstractTreeNode treeNode : children) {
-					FSTreeNode node = (FSTreeNode) treeNode;
-					if(node.hasOSInfo()) return node.isWindowsNode();
-				}
-			}
-		}
-		if(parent != null) {
-			return ((FSTreeNode)parent).isWindowsNode();
-		}
-		return false;
-	}
-	
-	/**
-	 * If this node has OS information.
-	 * 
-	 * @return true if it has.
-	 */
-	private boolean hasOSInfo() {
-		return attr != null && attr.attributes != null || 
-				peerNode != null && TargetPropertyTester.getOSName(peerNode)!= null;
-	}
-
-	/**
-	 * Return if the node is a file.
-	 *
-	 * @return true if it is a file, or else false.
-	 */
-	public boolean isFile() {
-		if (attr != null) return attr.isFile();
-		if (type != null) return type.equals("FSFileNode"); //$NON-NLS-1$
-		return false;
-	}
-
-	/**
-	 * Return if the node is a directory.
-	 *
-	 * @return true if it is a directory, or else false.
-	 */
-	public boolean isDirectory() {
-		if (attr != null) return attr.isDirectory();
-		if (type != null) return type.endsWith("DirNode"); //$NON-NLS-1$
-		return false;
-	}
-
-	/**
-	 * Return if the attribute specified by the mask bit is turned on.
-	 *
-	 * @param bit
-	 *            The attribute's mask bit.
-	 * @return true if it is on, or else false.
-	 */
-	public boolean isWin32AttrOn(int bit) {
-		if (attr != null && attr.attributes.get(KEY_WIN32_ATTRS) instanceof Integer) {
-			Integer win32Attrs = (Integer) attr.attributes.get(KEY_WIN32_ATTRS);
-			return (win32Attrs.intValue() & bit) != 0;
-		}
-		return false;
-	}
-
-	/**
-	 * Set the attribute specified by the mask bit to on or off.
-	 * @param bit The attribute's mask bit.
-	 * @param on The flag if the bit should be turned on or off.
-	 */
-	public void setWin32Attr(int bit, boolean on) {
-		if (attr != null && attr.attributes.get(KEY_WIN32_ATTRS) instanceof Integer) {
-			int win32attr = ((Integer) attr.attributes.get(KEY_WIN32_ATTRS)).intValue();
-			win32attr = on ? (win32attr | bit) : (win32attr & ~bit);
-			attr.attributes.put(KEY_WIN32_ATTRS, Integer.valueOf(win32attr));
-		}
-	}
-
-	/**
-	 * Get the file's win32 attributes.
-	 * @return The file's win32 attributes.
-	 */
-	public int getWin32Attrs() {
-		if (attr != null && attr.attributes.get(KEY_WIN32_ATTRS) instanceof Integer) {
-			return ((Integer) attr.attributes.get(KEY_WIN32_ATTRS)).intValue();
-		}
-	    return 0;
-    }
-
-	/**
-	 * Return if this file/folder is hidden.
-	 *
-	 * @return true if it is hidden, or else false.
-	 */
-	public boolean isHidden() {
-		return isWin32AttrOn(IWindowsFileAttributes.FILE_ATTRIBUTE_HIDDEN);
-	}
-
-	/**
-	 * Set the file/folder hidden attribute's value.
-	 * @param hidden The new value.
-	 */
-	public void setHidden(boolean hidden) {
-		setWin32Attr(IWindowsFileAttributes.FILE_ATTRIBUTE_HIDDEN, hidden);
-    }
-
-	/**
-	 * Return if this file/folder is read-only.
-	 *
-	 * @return true if it is read-only, or else false.
-	 */
-	public boolean isReadOnly() {
-		return isWin32AttrOn(IWindowsFileAttributes.FILE_ATTRIBUTE_READONLY);
-	}
-
-	/**
-	 * Set the file/folder read-only attribute's value.
-	 * @param readOnly The new value.
-	 */
-	public void setReadOnly(boolean readOnly) {
-		setWin32Attr(IWindowsFileAttributes.FILE_ATTRIBUTE_READONLY, readOnly);
-    }
-
-	/**
-	 * Get the location of a file/folder node using the format of the file
-	 * system's platform.
-	 *
-	 * @param parentNode
-	 *            The file/folder node.
-	 * @return The location of the file/folder.
-	 */
-	public String getLocation() {
-		return getLocation(false);
-	}
-
-	/**
-	 * Get the location of a file/folder.
-	 *
-	 * @param cross
-	 *            If the format is cross-platform.
-	 * @return The path to the file/folder.
-	 */
-	public String getLocation(boolean cross) {
-		if(isRoot()) {
-			if(cross) {
-				if(isWindowsNode()) {
-					return name.substring(0, name.length() - 1) + "/"; //$NON-NLS-1$
-				}
-			}
-			return name;
-		}
-		String pLoc = getParent().getLocation(cross);
-		if(getParent().isRoot()) {
-			return pLoc + name;
-		}
-		String pathSep = (!cross && isWindowsNode()) ? "\\" : "/"; //$NON-NLS-1$ //$NON-NLS-2$
-		return pLoc + pathSep + name;
-	}
-
-	/**
-	 * Get the URL of the file or folder. The URL's format is created in the
-	 * following way: tcf:/<TCF_AGENT_ID>/remote/path/to/the/resource... See
-	 * {@link TcfURLConnection#TcfURLConnection(URL)}
-	 *
-	 * @see TcfURLStreamHandlerService#parseURL(URL, String, int, int)
-	 * @see #getLocationURI()
-	 * @return The URL of the file/folder.
-	 */
-	public URL getLocationURL() {
-		try {
-			String id = peerNode.getPeerId();
-			String path = getLocation(true);
-			String location = TcfURLConnection.PROTOCOL_SCHEMA + ":/" + id + (path.startsWith("/") ? path : "/" + path); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
-			return new URL(location);
-		} catch (MalformedURLException e) {
-			assert false;
-			return null;
-		}
-	}
-	
-	/**
-	 * Get the URI of the file or folder. The URI's format is created in the
-	 * following way: tcf:/<TCF_AGENT_ID>/remote/path/to/the/resource...
-	 *
-	 * @return The URI of the file/folder.
-	 */
-	public URI getLocationURI() {
-		try {
-			String id = peerNode.getPeerId();
-			String path = getEncodedURIPath();
-			String location = TcfURLConnection.PROTOCOL_SCHEMA + ":/" + id + (path.startsWith("/") ? path : "/" + path); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
-			return new URI(location);
-		}
-		catch (URISyntaxException e) {
-			assert false;
-			return null;
-		}
-	}
-	
-	/**
-	 * Encode each segment of the path to a URI compatible name,
-	 * and get the URI encoded path.
-	 * 
-	 * @return The encoded path which is URI compatible.
-	 */
-	private String getEncodedURIPath() {
-		if(isRoot()) {
-			if(isWindowsNode()) {
-				return name.substring(0, name.length() - 1) + "/"; //$NON-NLS-1$
-			}
-			return name;
-		}
-		final AtomicReference<String> ref = new AtomicReference<String>();
-		SafeRunner.run(new ISafeRunnable(){
-			@Override
+    public List<FSTreeNode> getChildren() {
+        return (List<FSTreeNode>) super.getChildren();
+    }
+
+    /**
+     * Return if the node is a Windows file/folder node.
+     *
+     * @return true if it is a Windows node, or else false.
+     */
+    public boolean isWindowsNode() {
+        if (attr != null && attr.attributes != null) {
+            return attr.attributes.containsKey(KEY_WIN32_ATTRS);
+        }
+        if (peerNode != null) {
+            String OSName = TargetPropertyTester.getOSName(peerNode);
+            if(OSName != null){
+                return OSName.startsWith("Windows"); //$NON-NLS-1$
+            }
+        }
+        synchronized (children) {
+            if (!children.isEmpty()) {
+                for (AbstractTreeNode treeNode : children) {
+                    FSTreeNode node = (FSTreeNode) treeNode;
+                    if(node.hasOSInfo()) {
+                        return node.isWindowsNode();
+                    }
+                }
+            }
+        }
+        if(parent != null) {
+            return ((FSTreeNode)parent).isWindowsNode();
+        }
+        return false;
+    }
+
+    /**
+     * If this node has OS information.
+     * 
+     * @return true if it has.
+     */
+    private boolean hasOSInfo() {
+        return attr != null && attr.attributes != null ||
+            peerNode != null && TargetPropertyTester.getOSName(peerNode)!= null;
+    }
+
+    /**
+     * Return if the node is a file.
+     *
+     * @return true if it is a file, or else false.
+     */
+    public boolean isFile() {
+        if (attr != null) {
+            return attr.isFile();
+        }
+        if (type != null)
+        {
+            return type.equals("FSFileNode"); //$NON-NLS-1$
+        }
+        return false;
+    }
+
+    /**
+     * Return if the node is a directory.
+     *
+     * @return true if it is a directory, or else false.
+     */
+    public boolean isDirectory() {
+        if (attr != null) {
+            return attr.isDirectory();
+        }
+        if (type != null)
+        {
+            return type.endsWith("DirNode"); //$NON-NLS-1$
+        }
+        return false;
+    }
+
+    /**
+     * Return if the attribute specified by the mask bit is turned on.
+     *
+     * @param bit
+     *            The attribute's mask bit.
+     * @return true if it is on, or else false.
+     */
+    public boolean isWin32AttrOn(int bit) {
+        if (attr != null && attr.attributes.get(KEY_WIN32_ATTRS) instanceof Integer) {
+            Integer win32Attrs = (Integer) attr.attributes.get(KEY_WIN32_ATTRS);
+            return (win32Attrs.intValue() & bit) != 0;
+        }
+        return false;
+    }
+
+    /**
+     * Set the attribute specified by the mask bit to on or off.
+     * @param bit The attribute's mask bit.
+     * @param on The flag if the bit should be turned on or off.
+     */
+    public void setWin32Attr(int bit, boolean on) {
+        if (attr != null && attr.attributes.get(KEY_WIN32_ATTRS) instanceof Integer) {
+            int win32attr = ((Integer) attr.attributes.get(KEY_WIN32_ATTRS)).intValue();
+            win32attr = on ? (win32attr | bit) : (win32attr & ~bit);
+            attr.attributes.put(KEY_WIN32_ATTRS, Integer.valueOf(win32attr));
+        }
+    }
+
+    /**
+     * Get the file's win32 attributes.
+     * @return The file's win32 attributes.
+     */
+    public int getWin32Attrs() {
+        if (attr != null && attr.attributes.get(KEY_WIN32_ATTRS) instanceof Integer) {
+            return ((Integer) attr.attributes.get(KEY_WIN32_ATTRS)).intValue();
+        }
+        return 0;
+    }
+
+    /**
+     * Return if this file/folder is hidden.
+     *
+     * @return true if it is hidden, or else false.
+     */
+    public boolean isHidden() {
+        return isWin32AttrOn(IWindowsFileAttributes.FILE_ATTRIBUTE_HIDDEN);
+    }
+
+    /**
+     * Set the file/folder hidden attribute's value.
+     * @param hidden The new value.
+     */
+    public void setHidden(boolean hidden) {
+        setWin32Attr(IWindowsFileAttributes.FILE_ATTRIBUTE_HIDDEN, hidden);
+    }
+
+    /**
+     * Return if this file/folder is read-only.
+     *
+     * @return true if it is read-only, or else false.
+     */
+    public boolean isReadOnly() {
+        return isWin32AttrOn(IWindowsFileAttributes.FILE_ATTRIBUTE_READONLY);
+    }
+
+    /**
+     * Set the file/folder read-only attribute's value.
+     * @param readOnly The new value.
+     */
+    public void setReadOnly(boolean readOnly) {
+        setWin32Attr(IWindowsFileAttributes.FILE_ATTRIBUTE_READONLY, readOnly);
+    }
+
+    /**
+     * Get the location of a file/folder node using the format of the file
+     * system's platform.
+     *
+     * @param parentNode
+     *            The file/folder node.
+     * @return The location of the file/folder.
+     */
+    public String getLocation() {
+        return getLocation(false);
+    }
+
+    /**
+     * Get the location of a file/folder.
+     *
+     * @param cross
+     *            If the format is cross-platform.
+     * @return The path to the file/folder.
+     */
+    public String getLocation(boolean cross) {
+        if(isRoot()) {
+            if(cross) {
+                if(isWindowsNode()) {
+                    return name.substring(0, name.length() - 1) + "/"; //$NON-NLS-1$
+                }
+            }
+            return name;
+        }
+        String pLoc = getParent().getLocation(cross);
+        if(getParent().isRoot()) {
+            return pLoc + name;
+        }
+        String pathSep = (!cross && isWindowsNode()) ? "\\" : "/"; //$NON-NLS-1$ //$NON-NLS-2$
+        return pLoc + pathSep + name;
+    }
+
+    /**
+     * Get the URL of the file or folder. The URL's format is created in the
+     * following way: tcf:/<TCF_AGENT_ID>/remote/path/to/the/resource... See
+     * {@link TcfURLConnection#TcfURLConnection(URL)}
+     *
+     * @see TcfURLStreamHandlerService#parseURL(URL, String, int, int)
+     * @see #getLocationURI()
+     * @return The URL of the file/folder.
+     */
+    public URL getLocationURL() {
+        try {
+            String id = peerNode.getPeerId();
+            String path = getLocation(true);
+            String location = TcfURLConnection.PROTOCOL_SCHEMA + ":/" + id + (path.startsWith("/") ? path : "/" + path); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+            return new URL(location);
+        } catch (MalformedURLException e) {
+            assert false;
+            return null;
+        }
+    }
+
+    /**
+     * Get the URI of the file or folder. The URI's format is created in the
+     * following way: tcf:/<TCF_AGENT_ID>/remote/path/to/the/resource...
+     *
+     * @return The URI of the file/folder.
+     */
+    public URI getLocationURI() {
+        try {
+            String id = peerNode.getPeerId();
+            String path = getEncodedURIPath();
+            String location = TcfURLConnection.PROTOCOL_SCHEMA + ":/" + id + (path.startsWith("/") ? path : "/" + path); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+            return new URI(location);
+        }
+        catch (URISyntaxException e) {
+            assert false;
+            return null;
+        }
+    }
+
+    /**
+     * Encode each segment of the path to a URI compatible name,
+     * and get the URI encoded path.
+     * 
+     * @return The encoded path which is URI compatible.
+     */
+    private String getEncodedURIPath() {
+        if(isRoot()) {
+            if(isWindowsNode()) {
+                return name.substring(0, name.length() - 1) + "/"; //$NON-NLS-1$
+            }
+            return name;
+        }
+        final AtomicReference<String> ref = new AtomicReference<String>();
+        SafeRunner.run(new ISafeRunnable(){
+            @Override
             public void handleException(Throwable exception) {
-				// Ignore on purpose
+                // Ignore on purpose
             }
-			@Override
+            @Override
             public void run() throws Exception {
-				ref.set(URLEncoder.encode(name, "UTF-8")); //$NON-NLS-1$
+                ref.set(URLEncoder.encode(name, "UTF-8")); //$NON-NLS-1$
             }});
-		String segment = ref.get();
-		String pLoc = getParent().getEncodedURIPath();
-		if(getParent().isRoot()) {
-			return pLoc + segment;
-		}
-		return pLoc + "/" + segment; //$NON-NLS-1$
-	}
-
-	/**
-	 * If this node is a root node.
-	 *
-	 * @return true if this node is a root node.
-	 */
-	public boolean isRoot() {
-		return type != null && type.equals("FSRootDirNode"); //$NON-NLS-1$
-	}
-
-	/**
-	 * If this node is the system root.
-	 *
-	 * @return true if this node is the system root.
-	 */
-	@Override
-	public boolean isSystemRoot() {
-		return type != null && type.equals("FSRootNode"); //$NON-NLS-1$
-	}
-
-	/**
-	 * If this file is readable.
-	 *
-	 * @return true if it is readable.
-	 */
-	public boolean isReadable() {
-		UserAccount account = getUserAccount(peerNode);
-		if (account != null && attr != null) {
-			if (attr.uid == account.getEUID()) {
-				return (attr.permissions & IFileSystem.S_IRUSR) != 0;
-			} else if (attr.gid == account.getEGID()) {
-				return (attr.permissions & IFileSystem.S_IRGRP) != 0;
-			} else {
-				return (attr.permissions & IFileSystem.S_IROTH) != 0;
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * If the agent is the owner of this file/folder.
-	 *
-	 * @return true if the agent is the owner of this file/folder.
-	 */
-	public boolean isAgentOwner() {
-		UserAccount account = getUserAccount(peerNode);
-		if (account != null && attr != null) {
-			return attr.uid == account.getEUID();
-		}
-		return false;
-	}
-
-	/**
-	 * If this file is writable.
-	 *
-	 * @return true if it is writable.
-	 */
-	public boolean isWritable() {
-		UserAccount account = getUserAccount(peerNode);
-		if (account != null && attr != null) {
-			if (attr.uid == account.getEUID()) {
-				return (attr.permissions & IFileSystem.S_IWUSR) != 0;
-			} else if (attr.gid == account.getEGID()) {
-				return (attr.permissions & IFileSystem.S_IWGRP) != 0;
-			} else {
-				return (attr.permissions & IFileSystem.S_IWOTH) != 0;
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * If this file is executable.
-	 *
-	 * @return true if it is executable.
-	 */
-	public boolean isExecutable() {
-		UserAccount account = getUserAccount(peerNode);
-		if (account != null && attr != null) {
-			if (attr.uid == account.getEUID()) {
-				return (attr.permissions & IFileSystem.S_IXUSR) != 0;
-			} else if (attr.gid == account.getEGID()) {
-				return (attr.permissions & IFileSystem.S_IXGRP) != 0;
-			} else {
-				return (attr.permissions & IFileSystem.S_IXOTH) != 0;
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * Test if this file is a windows system file.
-	 *
-	 * @return true if it is a windows system file.
-	 */
-	public boolean isSystem() {
-		return !isRoot() && isWindowsNode() && isWin32AttrOn(IWindowsFileAttributes.FILE_ATTRIBUTE_SYSTEM);
-	}
-
-	/**
-	 * Get the type label of the file for displaying purpose.
-	 *
-	 * @return The type label text.
-	 */
-	public String getFileType() {
-		if (isRoot()) {
-			return Messages.FSTreeNode_TypeLocalDisk;
-		}
-		if (isDirectory()) {
-			return Messages.FSTreeNode_TypeFileFolder;
-		}
-		if (isSystem()) {
-			return Messages.FSTreeNode_TypeSystemFile;
-		}
-		IContentType contentType = Platform.getContentTypeManager().findContentTypeFor(name);
-		if (contentType != null) {
-			return contentType.getName();
-		}
-		int lastDot = name.lastIndexOf("."); //$NON-NLS-1$
-		if (lastDot == -1) {
-			return Messages.FSTreeNode_TypeUnknownFile;
-		}
-		return name.substring(lastDot + 1).toUpperCase() + " " + Messages.FSTreeNode_TypeFile; //$NON-NLS-1$
-    }
-
-	/**
-	 * Set the file's attributes and trigger property change event.
-	 * 
-	 * @param attrs The new attributes.
-	 */
-	public void setAttributes(FileAttrs attrs) {
-		FileAttrs oldAttrs = this.attr;
-		this.attr = attrs;
-		if (attrs != oldAttrs) {
-			firePropertyChange(new PropertyChangeEvent(this, "attributes", oldAttrs, attrs)); //$NON-NLS-1$
-		}
-	}
-	
-	/**
-	 * Get the local file's state of the specified tree node. The local file must exist
-	 * before calling this method to get its state.
-	 *
-	 * @param node The tree node whose local file state is going to retrieved.
-	 * @return The tree node's latest cache state.
-	 */
-	public CacheState getCacheState() {
-		File file = CacheManager.getCacheFile(this);
-		if (!file.exists()) return CacheState.consistent;
-		FileState digest = PersistenceManager.getInstance().getFileDigest(this);
-		return digest.getCacheState();
-	}
-
-	/**
-	 * Set the file's new name and trigger property change event.
-	 * 
-	 * @param name The new name.
-	 */
-	public void setName(String name) {
-		String oldName = this.name;
-		this.name = name;
-		if(name == null && oldName != null || name != null && !name.equals(oldName)) {
-			firePropertyChange(new PropertyChangeEvent(this, "name", oldName, name)); //$NON-NLS-1$
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * @see org.eclipse.tcf.te.tcf.filesystem.core.model.AbstractTreeNode#doCreateRefreshDoneOpenChannel(org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
-	 */
-	@Override
+        String segment = ref.get();
+        String pLoc = getParent().getEncodedURIPath();
+        if(getParent().isRoot()) {
+            return pLoc + segment;
+        }
+        return pLoc + "/" + segment; //$NON-NLS-1$
+    }
+
+    /**
+     * If this node is a root node.
+     *
+     * @return true if this node is a root node.
+     */
+    public boolean isRoot() {
+        return type != null && type.equals("FSRootDirNode"); //$NON-NLS-1$
+    }
+
+    /**
+     * If this node is the system root.
+     *
+     * @return true if this node is the system root.
+     */
+    @Override
+    public boolean isSystemRoot() {
+        return type != null && type.equals("FSRootNode"); //$NON-NLS-1$
+    }
+
+    /**
+     * If this file is readable.
+     *
+     * @return true if it is readable.
+     */
+    public boolean isReadable() {
+        UserAccount account = getUserAccount(peerNode);
+        if (account != null && attr != null) {
+            if (attr.uid == account.getEUID()) {
+                return (attr.permissions & IFileSystem.S_IRUSR) != 0;
+            } else if (attr.gid == account.getEGID()) {
+                return (attr.permissions & IFileSystem.S_IRGRP) != 0;
+            } else {
+                return (attr.permissions & IFileSystem.S_IROTH) != 0;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * If the agent is the owner of this file/folder.
+     *
+     * @return true if the agent is the owner of this file/folder.
+     */
+    public boolean isAgentOwner() {
+        UserAccount account = getUserAccount(peerNode);
+        if (account != null && attr != null) {
+            return attr.uid == account.getEUID();
+        }
+        return false;
+    }
+
+    /**
+     * If this file is writable.
+     *
+     * @return true if it is writable.
+     */
+    public boolean isWritable() {
+        UserAccount account = getUserAccount(peerNode);
+        if (account != null && attr != null) {
+            if (attr.uid == account.getEUID()) {
+                return (attr.permissions & IFileSystem.S_IWUSR) != 0;
+            } else if (attr.gid == account.getEGID()) {
+                return (attr.permissions & IFileSystem.S_IWGRP) != 0;
+            } else {
+                return (attr.permissions & IFileSystem.S_IWOTH) != 0;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * If this file is executable.
+     *
+     * @return true if it is executable.
+     */
+    public boolean isExecutable() {
+        UserAccount account = getUserAccount(peerNode);
+        if (account != null && attr != null) {
+            if (attr.uid == account.getEUID()) {
+                return (attr.permissions & IFileSystem.S_IXUSR) != 0;
+            } else if (attr.gid == account.getEGID()) {
+                return (attr.permissions & IFileSystem.S_IXGRP) != 0;
+            } else {
+                return (attr.permissions & IFileSystem.S_IXOTH) != 0;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Test if this file is a windows system file.
+     *
+     * @return true if it is a windows system file.
+     */
+    public boolean isSystem() {
+        return !isRoot() && isWindowsNode() && isWin32AttrOn(IWindowsFileAttributes.FILE_ATTRIBUTE_SYSTEM);
+    }
+
+    /**
+     * Get the type label of the file for displaying purpose.
+     *
+     * @return The type label text.
+     */
+    public String getFileType() {
+        if (isRoot()) {
+            return Messages.FSTreeNode_TypeLocalDisk;
+        }
+        if (isDirectory()) {
+            return Messages.FSTreeNode_TypeFileFolder;
+        }
+        if (isSystem()) {
+            return Messages.FSTreeNode_TypeSystemFile;
+        }
+        IContentType contentType = Platform.getContentTypeManager().findContentTypeFor(name);
+        if (contentType != null) {
+            return contentType.getName();
+        }
+        int lastDot = name.lastIndexOf("."); //$NON-NLS-1$
+        if (lastDot == -1) {
+            return Messages.FSTreeNode_TypeUnknownFile;
+        }
+        return name.substring(lastDot + 1).toUpperCase() + " " + Messages.FSTreeNode_TypeFile; //$NON-NLS-1$
+    }
+
+    /**
+     * Set the file's attributes and trigger property change event.
+     * 
+     * @param attrs The new attributes.
+     */
+    public void setAttributes(FileAttrs attrs) {
+        FileAttrs oldAttrs = this.attr;
+        this.attr = attrs;
+        if (attrs != oldAttrs) {
+            firePropertyChange(new PropertyChangeEvent(this, "attributes", oldAttrs, attrs)); //$NON-NLS-1$
+        }
+    }
+
+    /**
+     * Get the local file's state of the specified tree node. The local file must exist
+     * before calling this method to get its state.
+     *
+     * @param node The tree node whose local file state is going to retrieved.
+     * @return The tree node's latest cache state.
+     */
+    public CacheState getCacheState() {
+        File file = CacheManager.getCacheFile(this);
+        if (!file.exists()) {
+            return CacheState.consistent;
+        }
+        FileState digest = PersistenceManager.getInstance().getFileDigest(this);
+        return digest.getCacheState();
+    }
+
+    /**
+     * Set the file's new name and trigger property change event.
+     * 
+     * @param name The new name.
+     */
+    public void setName(String name) {
+        String oldName = this.name;
+        this.name = name;
+        if(name == null && oldName != null || name != null && !name.equals(oldName)) {
+            firePropertyChange(new PropertyChangeEvent(this, "name", oldName, name)); //$NON-NLS-1$
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see org.eclipse.tcf.te.tcf.filesystem.core.model.AbstractTreeNode#doCreateRefreshDoneOpenChannel(org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
+     */
+    @Override
     protected DoneOpenChannel doCreateRefreshDoneOpenChannel(final ICallback callback) {
-		final FileState digest = PersistenceManager.getInstance().getFileDigest(this);
-		ICallback cb = new Callback(){
-			@Override
+        final FileState digest = PersistenceManager.getInstance().getFileDigest(this);
+        ICallback cb = new Callback(){
+            @Override
             protected void internalDone(Object caller, IStatus status) {
-				if (status.isOK() && caller instanceof OpTargetFileDigest) {
-					digest.updateTargetDigest(((OpTargetFileDigest) caller).getDigest());
-				}
-				if (callback != null) callback.done(caller, status);
+                if (status.isOK() && caller instanceof OpTargetFileDigest) {
+                    digest.updateTargetDigest(((OpTargetFileDigest) caller).getDigest());
+                }
+                if (callback != null) {
+                    callback.done(caller, status);
+                }
             }
-		};
-		return new RefreshStateDoneOpenChannel(this, cb);
+        };
+        return new RefreshStateDoneOpenChannel(this, cb);
     }
 
-	/*
-	 * (non-Javadoc)
-	 * @see org.eclipse.tcf.te.tcf.filesystem.core.model.AbstractTreeNode#doCreateQueryDoneOpenChannel()
-	 */
-	@Override
+    /*
+     * (non-Javadoc)
+     * @see org.eclipse.tcf.te.tcf.filesystem.core.model.AbstractTreeNode#doCreateQueryDoneOpenChannel()
+     */
+    @Override
     protected DoneOpenChannel doCreateQueryDoneOpenChannel(ICallback callback) {
-	    return new QueryDoneOpenChannel(this, callback);
+        return new QueryDoneOpenChannel(this, callback);
     }
-	
-	/**
-	 * Override the queryChildren to refresh the second level children upon expanding.
-	 */
-	@Override
+
+    /**
+     * Override the queryChildren to refresh the second level children upon expanding.
+     */
+    @Override
     public void queryChildren() {
-		queryChildren(new Callback(){
-			@Override
+        queryChildren(new Callback(){
+            @Override
             protected void internalDone(Object caller, IStatus status) {
-				refreshChildren();
+                refreshChildren();
             }
-		});
-    }
-
-	/*
-	 * (non-Javadoc)
-	 * @see org.eclipse.tcf.te.tcf.filesystem.core.model.AbstractTreeNode#getParent()
-	 */
-	@Override
-	public FSTreeNode getParent() {
-		return (FSTreeNode) parent;
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * @see org.eclipse.tcf.te.tcf.filesystem.core.model.AbstractTreeNode#refreshChildren()
-	 */
-	@Override
+        });
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see org.eclipse.tcf.te.tcf.filesystem.core.model.AbstractTreeNode#getParent()
+     */
+    @Override
+    public FSTreeNode getParent() {
+        return (FSTreeNode) parent;
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see org.eclipse.tcf.te.tcf.filesystem.core.model.AbstractTreeNode#refreshChildren()
+     */
+    @Override
     public void refreshChildren() {
-		List<FSTreeNode> children = getChildren();
-		if(!children.isEmpty()) {
-			ICallback callback = new Callback(){
-				@Override
+        List<FSTreeNode> children = getChildren();
+        if(!children.isEmpty()) {
+            ICallback callback = new Callback(){
+                @Override
                 protected void internalDone(Object caller, IStatus status) {
-					queryDone();
+                    queryDone();
+                }
+            };
+            final CallbackMonitor monitor = new CallbackMonitor(callback);
+            for(FSTreeNode child : children) {
+                if((child.isRoot() || child.isDirectory()) && !child.childrenQueried && !child.childrenQueryRunning) {
+                    monitor.lock(child.uniqueId);
                 }
-			};
-			final CallbackMonitor monitor = new CallbackMonitor(callback);
-			for(FSTreeNode child : children) {
-				if((child.isRoot() || child.isDirectory()) && !child.childrenQueried && !child.childrenQueryRunning) {
-					monitor.lock(child.uniqueId);
-				}
-			}
-			for(FSTreeNode child : children) {
-				if((child.isRoot() || child.isDirectory()) && !child.childrenQueried && !child.childrenQueryRunning) {
-					final UUID uuid = child.uniqueId;
-					child.queryChildren(new Callback(){
-						@Override
+            }
+            for(FSTreeNode child : children) {
+                if((child.isRoot() || child.isDirectory()) && !child.childrenQueried && !child.childrenQueryRunning) {
+                    final UUID uuid = child.uniqueId;
+                    child.queryChildren(new Callback(){
+                        @Override
                         protected void internalDone(Object caller, IStatus status) {
-							monitor.unlock(uuid, status);
+                            monitor.unlock(uuid, status);
                         }
-					});
-				}
-			}
-		}
+                    });
+                }
+            }
+        }
     }
 }