Target Explorer: File System: allow to override check permissions

Change-Id: Iedbe78e3e6cd15eceed91ea0742c95c43bc3e992
Signed-off-by: Pablo Torregrosa Paez <pablo.torregrosa@windriver.com>

4 files changed, 716 insertions, 693 deletions

diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/interfaces/runtime/IRuntimeModel.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/interfaces/runtime/IRuntimeModel.java
index 2df7d36d6..dfdee493a 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/interfaces/runtime/IRuntimeModel.java
+++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/interfaces/runtime/IRuntimeModel.java
@@ -26,10 +26,17 @@ import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNodeProvider;
  */
 public interface IRuntimeModel extends IModel, IPeerNodeProvider {
 
+	public static final int PERMISSIONS_MODE_DEFAULT = 0;
+	public static final int PERMISSIONS_MODE_USE_ALWAYS_OWNER = 1;
+	public static final int PERMISSIONS_MODE_ALWAYS_WRITABLE = 2;
+
 	static class Delegate {
 		public boolean filterRoot(DirEntry entry) {
 			return true;
 		}
+		public int getCheckPermissionsMode() {
+			return PERMISSIONS_MODE_DEFAULT;
+		}
 	}
 
 	/**
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNode.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNode.java
index ce95275c6..850bf534c 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNode.java
+++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNode.java
@@ -1,678 +1,703 @@
-/*******************************************************************************

- * Copyright (c) 2011, 2015 Wind River Systems, Inc. and others. 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:

- * Wind River Systems - initial API and implementation

- * William Chen (Wind River) - [345384] Provide property pages for remote file system nodes

- * William Chen (Wind River) - [352302]Opening a file in an editor depending on

- *                             the client's permissions.

- *******************************************************************************/

-package org.eclipse.tcf.te.tcf.filesystem.core.internal;

-

-import static java.util.Collections.singletonList;

-

-import java.beans.PropertyChangeEvent;

-import java.io.File;

-import java.io.OutputStream;

-import java.net.MalformedURLException;

-import java.net.URI;

-import java.net.URISyntaxException;

-import java.net.URL;

-import java.net.URLEncoder;

-import java.util.Arrays;

-import java.util.Comparator;

-import java.util.List;

-

-import org.eclipse.core.runtime.Assert;

-import org.eclipse.core.runtime.Platform;

-import org.eclipse.core.runtime.QualifiedName;

-import org.eclipse.core.runtime.content.IContentType;

-import org.eclipse.tcf.protocol.Protocol;

-import org.eclipse.tcf.services.IFileSystem;

-import org.eclipse.tcf.services.IFileSystem.FileAttrs;

-import org.eclipse.tcf.te.core.interfaces.IFilterable;

-import org.eclipse.tcf.te.core.interfaces.IPropertyChangeProvider;

-import org.eclipse.tcf.te.core.interfaces.IViewerInput;

-import org.eclipse.tcf.te.tcf.filesystem.core.activator.CorePlugin;

-import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IConfirmCallback;

-import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IOperation;

-import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IResultOperation;

-import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.runtime.IFSTreeNode;

-import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.runtime.IFSTreeNodeWorkingCopy;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpCopy;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpCopyLocal;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpCreateFile;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpCreateFolder;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpDelete;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpDownload;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpMove;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpRefresh;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpRename;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpUpload;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.testers.TargetPropertyTester;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.url.TcfURLConnection;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.url.TcfURLStreamHandlerService;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.CacheManager;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.ContentTypeHelper;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.FileState;

-import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.PersistenceManager;

-import org.eclipse.tcf.te.tcf.filesystem.core.model.CacheState;

-import org.eclipse.tcf.te.tcf.filesystem.core.model.RuntimeModel;

-import org.eclipse.tcf.te.tcf.filesystem.core.nls.Messages;

-import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;

-

-/**

- * Representation of a file system tree node.

- * <p>

- * <b>Note:</b> Node construction and child list access is limited to the TCF

- * event dispatch thread.

- */

-@SuppressWarnings("deprecation")

-public final class FSTreeNode extends FSTreeNodeBase implements IFilterable, org.eclipse.tcf.te.tcf.filesystem.core.model.FSTreeNode {

-	private static final QualifiedName EDITOR_KEY = new QualifiedName("org.eclipse.ui.internal.registry.ResourceEditorRegistry", "EditorProperty");//$NON-NLS-2$//$NON-NLS-1$

-	static final String KEY_WIN32_ATTRS = "Win32Attrs"; //$NON-NLS-1$

-	private static final Comparator<FSTreeNode> CMP_WIN = new Comparator<FSTreeNode>() {

-		@Override

-		public int compare(FSTreeNode o1, FSTreeNode o2) {

-			return o1.getName().compareToIgnoreCase(o2.getName());

-		}

-	};

-	private static final Comparator<FSTreeNode> CMP_UNIX = new Comparator<FSTreeNode>() {

-		@Override

-		public int compare(FSTreeNode o1, FSTreeNode o2) {

-			return o1.getName().compareTo(o2.getName());

-		}

-	};

-

-	public static final String NOSLASH_MARKER = "/./"; //$NON-NLS-1$

-

-	public static String addNoSlashMarker(String path) {

-		if (path.length() > 0 && path.charAt(0) != '/')

-			return NOSLASH_MARKER + path;

-		return path;

-	}

-

-	public static String stripNoSlashMarker(String path) {

-		if (path.startsWith(NOSLASH_MARKER))

-			return path.substring(NOSLASH_MARKER.length());

-		return path;

-	}

-

-

-

-	private FSTreeNode fParent;

-	private String fName;

-

-    private Type fType;

-    private IFileSystem.FileAttrs fAttributes;

-

-	private FSTreeNode[] fChildren = null;

-

-    private final RuntimeModel fRuntimeModel;

-	private final boolean fWindowsNode;

-	private long fRefreshTime;

-

-

-	public FSTreeNode(RuntimeModel runtimeModel, String name) {

-		fRuntimeModel = runtimeModel;

-		fParent = null;

-		fName = name;

-	    fAttributes = null;

-	    fType = Type.FILE_SYSTEM;

-	    fWindowsNode = isWindowsNode(getPeerNode());

-	    Assert.isTrue(Protocol.isDispatchThread());

-	}

-

-	private boolean isWindowsNode(IPeerNode peerNode) {

-        String osname = TargetPropertyTester.getOSName(peerNode);

-        if (osname != null){

-            return osname.startsWith("Windows"); //$NON-NLS-1$

-        }

-        return false;

-	}

-

-	public FSTreeNode(FSTreeNode parent, String name, boolean isRootDir, IFileSystem.FileAttrs attribs) {

-		fRuntimeModel = parent.getRuntimeModel();

-		fWindowsNode = parent.isWindowsNode() || (isRootDir && name.endsWith("\\")); //$NON-NLS-1$

-		fParent = parent;

-		fName = name;

-	    fAttributes = attribs;

-	    if (isRootDir) {

-	    	fType = Type.ROOT;

-	    } else {

-	    	fType = Type.DIRECTORY_OR_FILE;

-	    }

-	    Assert.isTrue(Protocol.isDispatchThread());

-	}

-

-	@Override

-	public String toString() {

-		return getClass().getSimpleName() + ": name=" + fName; //$NON-NLS-1$

-	}

-

-    @Override

-    public Object getAdapter(Class adapter) {

-		if (IViewerInput.class.equals(adapter)) {

-			return getPeerNode().getAdapter(adapter);

-		}

-		if (IPropertyChangeProvider.class.equals(adapter)) {

-			return getPeerNode().getAdapter(adapter);

-		}

-	    return super.getAdapter(adapter);

-    }

-

-	@Override

-	public RuntimeModel getRuntimeModel() {

-		return fRuntimeModel;

-	}

-

-	@Override

-	public IPeerNode getPeerNode() {

-		return fRuntimeModel.getPeerNode();

-	}

-

-	@Override

-	public UserAccount getUserAccount() {

-		return fRuntimeModel.getUserAccount();

-	}

-

-    @Override

-	public Type getType() {

-		return fType;

-	}

-

-    @Override

-	public boolean isWindowsNode() {

-    	return fWindowsNode;

-    }

-

-    @Override

-	public boolean isFile() {

-    	return fAttributes != null && fAttributes.isFile();

-    }

-

-    @Override

-	public boolean isDirectory() {

-    	switch(fType) {

-    	case FILE_SYSTEM:

-    		return false;

-    	case ROOT:

-    		return true;

-    	case DIRECTORY_OR_FILE:

-    		return fAttributes == null || fAttributes.isDirectory();

-    	}

-    	return false;

-    }

-

-    @Override

-    public boolean isRootDirectory() {

-    	return fType == Type.ROOT;

-    }

-

-    public FileAttrs getAttributes() {

-		return fAttributes;

-	}

-

-	@Override

-	protected int getWin32Attrs() {

-    	final FileAttrs attribs = fAttributes;

-    	if (attribs != null	&& attribs.attributes != null) {

-    		Object val = attribs.attributes.get(KEY_WIN32_ATTRS);

-    		if (val instanceof Integer) {

-    			return ((Integer) val).intValue();

-    		}

-    	}

-        return 0;

-    }

-

-    @Override

-	protected int getPermissions() {

-    	final FileAttrs attribs = fAttributes;

-    	if (attribs != null) {

-    		return attribs.permissions;

-    	}

-        return 0;

-    }

-

-    @Override

-	public String getLocation() {

-        return getLocation(false);

-    }

-

-    public String getLocation(boolean forceSlashes) {

-    	return getLocation(isWindowsNode() && !forceSlashes ? '\\' : '/', false);

-    }

-

-    private String getLocation(char separator, boolean encodeName) {

-		String name = getName();

-    	if (fType == Type.ROOT) {

-    		if (isWindowsNode() && name.charAt(name.length()-1) != separator) {

-    			return name.substring(0, name.length()-1) + separator;

-    		}

-            return name;

-    	}

-    	if (fParent == null)

-    		return name;

-

-

-    	String pLoc = fParent.getLocation(separator, encodeName);

-    	if (pLoc.length() == 0)

-    		return name;

-

-    	if (encodeName) {

-    		try {

-				name = URLEncoder.encode(getName(), "UTF-8"); //$NON-NLS-1$

-			} catch (Exception e) {

-				// Ignore

-			}

-    	}

-    	char lastChar = pLoc.charAt(pLoc.length()-1);

-    	if (lastChar != separator)

-    		return pLoc + separator + name;

-

-    	return pLoc + name;

-    }

-

-    /**

-     * Get the URL of the file or folder. The URL's format is created in the

-     * following way: tcf:/<peerName>/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.

-     */

-    @Override

-	public URL getLocationURL() {

-    	try {

-    		URI uri = getLocationURI();

-			return uri == null ? null : uri.toURL();

-        } catch (MalformedURLException e) {

-        	CorePlugin.logError("Cannot create tcf url", e); //$NON-NLS-1$

-        }

-		return null;

-    }

-

-    /**

-     * Get the URI of the file or folder. The URI's format is created in the

-     * following way: tcf:/<peerName>/remote/path/to/the/resource...

-     *

-     * @return The URI of the file/folder.

-     */

-    @Override

-	public URI getLocationURI() {

-        try {

-            String name = getPeerNode().getName();

-            String path = getLocation('/', true);

-            return new URI(TcfURLConnection.PROTOCOL_SCHEMA, name, addNoSlashMarker(path), null, null);

-        } catch (URISyntaxException e) {

-        	CorePlugin.logError("Cannot create tcf uri", e); //$NON-NLS-1$

-            return null;

-        }

-    }

-

-    /**

-     * Get the type label of the file for displaying purpose.

-     *

-     * @return The type label text.

-     */

-    @Override

-	public String getFileTypeLabel() {

-    	switch (fType) {

-    	case FILE_SYSTEM:

-    		return Messages.FSTreeNodeContentProvider_rootNodeLabel;

-    	case ROOT:

-            return Messages.FSTreeNode_TypeLocalDisk;

-    	case DIRECTORY_OR_FILE:

-    		break;

-    	}

-

-    	if (isDirectory())

-    		return Messages.FSTreeNode_TypeFileFolder;

-

-    	if (isSystemFile()) {

-    		return Messages.FSTreeNode_TypeSystemFile;

-        }

-        IContentType contentType = Platform.getContentTypeManager().findContentTypeFor(getName());

-        if (contentType != null) {

-            return contentType.getName();

-        }

-        int lastDot = getName().lastIndexOf("."); //$NON-NLS-1$

-        if (lastDot == -1) {

-            return Messages.FSTreeNode_TypeUnknownFile;

-        }

-        return getName().substring(lastDot + 1).toUpperCase() + " " + Messages.FSTreeNode_TypeFile; //$NON-NLS-1$

-    }

-

-

-    /**

-     * Get the local file's state of the specified tree node. The local file must exist

-     * before calling this method to get its state.

-     *

-     * @return The tree node's latest cache state.

-     */

-    @Override

-	public CacheState getCacheState() {

-        File file = CacheManager.getCacheFile(this);

-        if (!file.exists()) {

-            return CacheState.consistent;

-        }

-        FileState digest = PersistenceManager.getInstance().getFileDigest(this);

-        return digest.getCacheState();

-    }

-

-    @Override

-	public FSTreeNode getParent() {

-        return fParent;

-    }

-

-	@Override

-	public String getName() {

-		return fName;

-	}

-

-	@Override

-	public IFSTreeNodeWorkingCopy createWorkingCopy() {

-		return new FSTreeNodeWorkingCopy(this);

-	}

-

-	@Override

-	public boolean isFileSystem() {

-		return fType == Type.FILE_SYSTEM;

-	}

-

-	@Override

-	public long getAccessTime() {

-		if (fAttributes != null)

-			return fAttributes.atime;

-		return 0;

-	}

-

-	@Override

-	public long getModificationTime() {

-		if (fAttributes != null)

-			return fAttributes.mtime;

-		return 0;

-	}

-

-	@Override

-	public long getSize() {

-		if (fAttributes != null)

-			return fAttributes.size;

-		return 0;

-	}

-

-	@Override

-	public int getUID() {

-		if (fAttributes != null)

-			return fAttributes.uid;

-		return 0;

-	}

-

-	@Override

-	public int getGID() {

-		if (fAttributes != null)

-			return fAttributes.gid;

-		return 0;

-	}

-

-	@Override

-	public boolean isAncestorOf(IFSTreeNode node) {

-		while (node != null) {

-			if ((node = node.getParent()) == this)

-				return true;

-		}

-		return false;

-	}

-

-	@Override

-	public File getCacheFile() {

-		return CacheManager.getCacheFile(this);

-	}

-

-	@Override

-	public String getPreferredEditorID() {

-		return PersistenceManager.getInstance().getPersistentProperties(this).get(EDITOR_KEY);

-	}

-

-	@Override

-	public void setPreferredEditorID(String editorID) {

-		PersistenceManager.getInstance().getPersistentProperties(this).put(EDITOR_KEY, editorID);

-	}

-

-	@Override

-	public IContentType getContentType() {

-		return ContentTypeHelper.getContentType(this);

-	}

-

-	@Override

-	public boolean isBinaryFile() {

-		return ContentTypeHelper.isBinaryFile(this);

-	}

-

-	@Override

-	public FSTreeNode[] getChildren() {

-		return fChildren;

-	}

-

-	@Override

-	public IOperation operationRefresh(boolean recursive) {

-		return new OpRefresh(this, recursive);

-	}

-

-

-	@Override

-	public IOperation operationRename(String newName) {

-		return new OpRename(this, newName);

-	}

-

-	@Override

-	public IOperation operationUploadContent(File srcFile) {

-		if (srcFile == null)

-			srcFile = getCacheFile();

-

-		OpUpload upload =  new OpUpload(null);

-		upload.addUpload(srcFile, this);

-		return upload;

-	}

-

-	@Override

-	public IOperation operationDelete(IConfirmCallback readonlyCallback) {

-		return new OpDelete(singletonList(this), readonlyCallback);

-	}

-

-	@Override

-	public IOperation operationDownload(OutputStream output) {

-		return new OpDownload(this, output);

-	}

-

-	@Override

-	public IOperation operationDownload(File destinationFolder, IConfirmCallback confirmCallback) {

-		return new OpCopyLocal(singletonList(this), destinationFolder, confirmCallback);

-	}

-

-	@Override

-	public IOperation operationDropFiles(List<String> files, IConfirmCallback confirmCallback) {

-		OpUpload upload =  new OpUpload(confirmCallback);

-		for (String file : files) {

-			upload.addDrop(new File(file), this);

-		}

-		return upload;

-	}

-

-	@Override

-	public IOperation operationDropMove(List<IFSTreeNode> nodes, IConfirmCallback confirmCallback) {

-		return new OpMove(nodes, this, confirmCallback);

-	}

-

-	@Override

-	public IOperation operationDropCopy(List<IFSTreeNode> nodes, boolean cpPerm, boolean cpOwn,

-			IConfirmCallback moveCopyCallback) {

-		return new OpCopy(nodes, this, cpPerm, cpOwn, moveCopyCallback);

-	}

-

-	@Override

-	public IResultOperation<IFSTreeNode> operationNewFile(String name) {

-		return new OpCreateFile(this, name);

-	}

-

-	@Override

-	public IResultOperation<IFSTreeNode> operationNewFolder(String name) {

-		return new OpCreateFolder(this, name);

-	}

-

-	public void changeParent(FSTreeNode newParent) {

-		fParent = newParent;

-	}

-

-	public void changeName(String newName) {

-		fName = newName;

-	}

-

-	@Override

-	public FSTreeNode findChild(String name) {

-		return binarySearch(fChildren, name);

-	}

-

-	public void addNode(FSTreeNode newNode, boolean notify) {

-		final FSTreeNode[] children = fChildren;

-		if (children == null) {

-			setChildren(new FSTreeNode[] {newNode}, notify);

-		} else {

-			int ip = Arrays.binarySearch(children, newNode, getComparator());

-			if (ip >= 0) {

-				children[ip] = newNode;

-			} else {

-				ip = -ip - 1;

-				FSTreeNode[] newChildren = new FSTreeNode[children.length+1];

-				System.arraycopy(children, 0, newChildren, 0, ip);

-				newChildren[ip] = newNode;

-				System.arraycopy(children, ip, newChildren, ip+1, children.length-ip);

-				setChildren(newChildren, notify);

-			}

-		}

-	}

-

-	public void removeNode(FSTreeNode node, boolean notify) {

-		final FSTreeNode[] children = fChildren;

-		if (children == null)

-			return;

-

-		int ip = Arrays.binarySearch(children, node, getComparator());

-		if (ip < 0 || children[ip] != node)

-			return;

-

-		FSTreeNode[] newChildren = new FSTreeNode[children.length-1];

-		System.arraycopy(children, 0, newChildren, 0, ip);

-		System.arraycopy(children, ip+1, newChildren, ip, children.length-ip-1);

-		setChildren(newChildren, notify);

-	}

-

-	public void setContent(FSTreeNode[] children, boolean notify) {

-		setContent(children, notify, true);

-	}

-

-	public void setContent(FSTreeNode[] children, boolean notify, boolean updateRefreshTime) {

-		final Comparator<FSTreeNode> comparator = getComparator();

-		Arrays.sort(children, comparator);

-		if (fChildren != null) {

-			int j = 0;

-			for (int i=0; i<children.length; i++) {

-				FSTreeNode node = children[i];

-				for (; j<fChildren.length; j++) {

-					FSTreeNode old = fChildren[j];

-					int cmp = comparator.compare(old, node);

-					if (cmp == 0) {

-						old.setAttributes(node.fAttributes, false);

-						children[i] = old;

-						j++;

-						break;

-					} else if (cmp > 0) {

-						break;

-					}

-				}

-			}

-		}

-		if (updateRefreshTime) fRefreshTime = System.currentTimeMillis();

-		setChildren(children, notify);

-	}

-

-	private Comparator<FSTreeNode> getComparator() {

-		return isWindowsNode() ? CMP_WIN : CMP_UNIX;

-	}

-

-	private void setChildren(FSTreeNode[] children, boolean notify) {

-		Assert.isTrue(Protocol.isDispatchThread());

-	    FSTreeNode[] oldChildren = fChildren;

-	    fChildren = children;

-	    if (notify) {

-	    	notifyChange("children", oldChildren, children); //$NON-NLS-1$

-	    }

-	}

-

-	public void setAttributes(FileAttrs attrs, boolean notify) {

-	    FileAttrs oldAttrs = fAttributes;

-	    fAttributes = attrs;

-	    if (attrs != null && attrs.isFile())

-	    	fRefreshTime = System.currentTimeMillis();

-	    if (notify) {

-	    	notifyChange("attributes", oldAttrs, attrs); //$NON-NLS-1$

-	    }

-	}

-

-	public void notifyChange() {

-		notifyChange("children", null, null); //$NON-NLS-1$

-	}

-

-	private void notifyChange(String prop, Object oldValue, Object newValue) {

-        fRuntimeModel.firePropertyChanged(new PropertyChangeEvent(this, prop, oldValue, newValue));

-	}

-

-	@Override

-	public long getLastRefresh() {

-		return fRefreshTime;

-	}

-

-	private FSTreeNode binarySearch(final FSTreeNode[] children, String name) {

-		if (children == null)

-			return null;

-

-		boolean caseSensitive = !isWindowsNode();

-		int low = 0;

-		int high = children.length - 1;

-

-		while (low <= high) {

-			int mid = (low + high) >>> 1;

-			FSTreeNode midVal = children[mid];

-			int cmp = caseSensitive ? midVal.getName().compareTo(name) : midVal.getName().compareToIgnoreCase(name);

-			if (cmp < 0)

-				low = mid + 1;

-			else if (cmp > 0)

-				high = mid - 1;

-			else

-				return midVal;

-		}

-		return null;

-	}

-

-	@Override

-	public void setRevealOnConnect(boolean value) {

-		if (value) {

-			if (CorePlugin.getDefault().addToRevealOnConnect(getLocation(true))) {

-				notifyChange("favorites", Boolean.FALSE, Boolean.TRUE); //$NON-NLS-1$

-			}

-		} else {

-			if (CorePlugin.getDefault().removeFromRevealOnConnect(getLocation(true))) {

-				notifyChange("favorites", Boolean.TRUE, Boolean.FALSE); //$NON-NLS-1$

-			}

-		}

-	}

-

-	@Override

-	public boolean isRevealOnConnect() {

-		return CorePlugin.getDefault().isRevealOnConnect(getLocation(true));

-	}

-}

+/*******************************************************************************
+ * Copyright (c) 2011, 2015 Wind River Systems, Inc. and others. 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:
+ * Wind River Systems - initial API and implementation
+ * William Chen (Wind River) - [345384] Provide property pages for remote file system nodes
+ * William Chen (Wind River) - [352302]Opening a file in an editor depending on
+ *                             the client's permissions.
+ *******************************************************************************/
+package org.eclipse.tcf.te.tcf.filesystem.core.internal;
+
+import static java.util.Collections.singletonList;
+
+import java.beans.PropertyChangeEvent;
+import java.io.File;
+import java.io.OutputStream;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.QualifiedName;
+import org.eclipse.core.runtime.content.IContentType;
+import org.eclipse.tcf.protocol.Protocol;
+import org.eclipse.tcf.services.IFileSystem;
+import org.eclipse.tcf.services.IFileSystem.FileAttrs;
+import org.eclipse.tcf.te.core.interfaces.IFilterable;
+import org.eclipse.tcf.te.core.interfaces.IPropertyChangeProvider;
+import org.eclipse.tcf.te.core.interfaces.IViewerInput;
+import org.eclipse.tcf.te.tcf.filesystem.core.activator.CorePlugin;
+import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IConfirmCallback;
+import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IOperation;
+import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IResultOperation;
+import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.runtime.IFSTreeNode;
+import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.runtime.IFSTreeNodeWorkingCopy;
+import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.runtime.IRuntimeModel;
+import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.runtime.IUserAccount;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpCopy;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpCopyLocal;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpCreateFile;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpCreateFolder;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpDelete;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpDownload;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpMove;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpRefresh;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpRename;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpUpload;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.testers.TargetPropertyTester;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.url.TcfURLConnection;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.url.TcfURLStreamHandlerService;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.CacheManager;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.ContentTypeHelper;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.FileState;
+import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.PersistenceManager;
+import org.eclipse.tcf.te.tcf.filesystem.core.model.CacheState;
+import org.eclipse.tcf.te.tcf.filesystem.core.model.RuntimeModel;
+import org.eclipse.tcf.te.tcf.filesystem.core.nls.Messages;
+import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
+
+/**
+ * Representation of a file system tree node.
+ * <p>
+ * <b>Note:</b> Node construction and child list access is limited to the TCF
+ * event dispatch thread.
+ */
+@SuppressWarnings("deprecation")
+public final class FSTreeNode extends FSTreeNodeBase implements IFilterable, org.eclipse.tcf.te.tcf.filesystem.core.model.FSTreeNode {
+	private static final QualifiedName EDITOR_KEY = new QualifiedName("org.eclipse.ui.internal.registry.ResourceEditorRegistry", "EditorProperty");//$NON-NLS-2$//$NON-NLS-1$
+	static final String KEY_WIN32_ATTRS = "Win32Attrs"; //$NON-NLS-1$
+	private static final Comparator<FSTreeNode> CMP_WIN = new Comparator<FSTreeNode>() {
+		@Override
+		public int compare(FSTreeNode o1, FSTreeNode o2) {
+			return o1.getName().compareToIgnoreCase(o2.getName());
+		}
+	};
+	private static final Comparator<FSTreeNode> CMP_UNIX = new Comparator<FSTreeNode>() {
+		@Override
+		public int compare(FSTreeNode o1, FSTreeNode o2) {
+			return o1.getName().compareTo(o2.getName());
+		}
+	};
+
+	public static final String NOSLASH_MARKER = "/./"; //$NON-NLS-1$
+
+	public static String addNoSlashMarker(String path) {
+		if (path.length() > 0 && path.charAt(0) != '/')
+			return NOSLASH_MARKER + path;
+		return path;
+	}
+
+	public static String stripNoSlashMarker(String path) {
+		if (path.startsWith(NOSLASH_MARKER))
+			return path.substring(NOSLASH_MARKER.length());
+		return path;
+	}
+
+
+
+	private FSTreeNode fParent;
+	private String fName;
+
+    private Type fType;
+    private IFileSystem.FileAttrs fAttributes;
+
+	private FSTreeNode[] fChildren = null;
+
+    private final RuntimeModel fRuntimeModel;
+	private final boolean fWindowsNode;
+	private long fRefreshTime;
+
+
+	public FSTreeNode(RuntimeModel runtimeModel, String name) {
+		fRuntimeModel = runtimeModel;
+		fParent = null;
+		fName = name;
+	    fAttributes = null;
+	    fType = Type.FILE_SYSTEM;
+	    fWindowsNode = isWindowsNode(getPeerNode());
+	    Assert.isTrue(Protocol.isDispatchThread());
+	}
+
+	private boolean isWindowsNode(IPeerNode peerNode) {
+        String osname = TargetPropertyTester.getOSName(peerNode);
+        if (osname != null){
+            return osname.startsWith("Windows"); //$NON-NLS-1$
+        }
+        return false;
+	}
+
+	public FSTreeNode(FSTreeNode parent, String name, boolean isRootDir, IFileSystem.FileAttrs attribs) {
+		fRuntimeModel = parent.getRuntimeModel();
+		fWindowsNode = parent.isWindowsNode() || (isRootDir && name.endsWith("\\")); //$NON-NLS-1$
+		fParent = parent;
+		fName = name;
+	    fAttributes = attribs;
+	    if (isRootDir) {
+	    	fType = Type.ROOT;
+	    } else {
+	    	fType = Type.DIRECTORY_OR_FILE;
+	    }
+	    Assert.isTrue(Protocol.isDispatchThread());
+	}
+
+	@Override
+	public String toString() {
+		return getClass().getSimpleName() + ": name=" + fName; //$NON-NLS-1$
+	}
+
+    @Override
+    public Object getAdapter(Class adapter) {
+		if (IViewerInput.class.equals(adapter)) {
+			return getPeerNode().getAdapter(adapter);
+		}
+		if (IPropertyChangeProvider.class.equals(adapter)) {
+			return getPeerNode().getAdapter(adapter);
+		}
+	    return super.getAdapter(adapter);
+    }
+
+	@Override
+	public RuntimeModel getRuntimeModel() {
+		return fRuntimeModel;
+	}
+
+	@Override
+	public IPeerNode getPeerNode() {
+		return fRuntimeModel.getPeerNode();
+	}
+
+	@Override
+	public UserAccount getUserAccount() {
+		return fRuntimeModel.getUserAccount();
+	}
+
+    @Override
+	public Type getType() {
+		return fType;
+	}
+
+    @Override
+	public boolean isWindowsNode() {
+    	return fWindowsNode;
+    }
+
+    @Override
+	public boolean isFile() {
+    	return fAttributes != null && fAttributes.isFile();
+    }
+
+    @Override
+	public boolean isDirectory() {
+    	switch(fType) {
+    	case FILE_SYSTEM:
+    		return false;
+    	case ROOT:
+    		return true;
+    	case DIRECTORY_OR_FILE:
+    		return fAttributes == null || fAttributes.isDirectory();
+    	}
+    	return false;
+    }
+
+    @Override
+    public boolean isRootDirectory() {
+    	return fType == Type.ROOT;
+    }
+
+    public FileAttrs getAttributes() {
+		return fAttributes;
+	}
+
+	@Override
+	protected int getWin32Attrs() {
+    	final FileAttrs attribs = fAttributes;
+    	if (attribs != null	&& attribs.attributes != null) {
+    		Object val = attribs.attributes.get(KEY_WIN32_ATTRS);
+    		if (val instanceof Integer) {
+    			return ((Integer) val).intValue();
+    		}
+    	}
+        return 0;
+    }
+
+    @Override
+	protected int getPermissions() {
+    	final FileAttrs attribs = fAttributes;
+    	if (attribs != null) {
+    		return attribs.permissions;
+    	}
+        return 0;
+    }
+
+    @Override
+	public String getLocation() {
+        return getLocation(false);
+    }
+
+    public String getLocation(boolean forceSlashes) {
+    	return getLocation(isWindowsNode() && !forceSlashes ? '\\' : '/', false);
+    }
+
+    private String getLocation(char separator, boolean encodeName) {
+		String name = getName();
+    	if (fType == Type.ROOT) {
+    		if (isWindowsNode() && name.charAt(name.length()-1) != separator) {
+    			return name.substring(0, name.length()-1) + separator;
+    		}
+            return name;
+    	}
+    	if (fParent == null)
+    		return name;
+
+
+    	String pLoc = fParent.getLocation(separator, encodeName);
+    	if (pLoc.length() == 0)
+    		return name;
+
+    	if (encodeName) {
+    		try {
+				name = URLEncoder.encode(getName(), "UTF-8"); //$NON-NLS-1$
+			} catch (Exception e) {
+				// Ignore
+			}
+    	}
+    	char lastChar = pLoc.charAt(pLoc.length()-1);
+    	if (lastChar != separator)
+    		return pLoc + separator + name;
+
+    	return pLoc + name;
+    }
+
+    /**
+     * Get the URL of the file or folder. The URL's format is created in the
+     * following way: tcf:/<peerName>/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.
+     */
+    @Override
+	public URL getLocationURL() {
+    	try {
+    		URI uri = getLocationURI();
+			return uri == null ? null : uri.toURL();
+        } catch (MalformedURLException e) {
+        	CorePlugin.logError("Cannot create tcf url", e); //$NON-NLS-1$
+        }
+		return null;
+    }
+
+    /**
+     * Get the URI of the file or folder. The URI's format is created in the
+     * following way: tcf:/<peerName>/remote/path/to/the/resource...
+     *
+     * @return The URI of the file/folder.
+     */
+    @Override
+	public URI getLocationURI() {
+        try {
+            String name = getPeerNode().getName();
+            String path = getLocation('/', true);
+            return new URI(TcfURLConnection.PROTOCOL_SCHEMA, name, addNoSlashMarker(path), null, null);
+        } catch (URISyntaxException e) {
+        	CorePlugin.logError("Cannot create tcf uri", e); //$NON-NLS-1$
+            return null;
+        }
+    }
+
+    /**
+     * Get the type label of the file for displaying purpose.
+     *
+     * @return The type label text.
+     */
+    @Override
+	public String getFileTypeLabel() {
+    	switch (fType) {
+    	case FILE_SYSTEM:
+    		return Messages.FSTreeNodeContentProvider_rootNodeLabel;
+    	case ROOT:
+            return Messages.FSTreeNode_TypeLocalDisk;
+    	case DIRECTORY_OR_FILE:
+    		break;
+    	}
+
+    	if (isDirectory())
+    		return Messages.FSTreeNode_TypeFileFolder;
+
+    	if (isSystemFile()) {
+    		return Messages.FSTreeNode_TypeSystemFile;
+        }
+        IContentType contentType = Platform.getContentTypeManager().findContentTypeFor(getName());
+        if (contentType != null) {
+            return contentType.getName();
+        }
+        int lastDot = getName().lastIndexOf("."); //$NON-NLS-1$
+        if (lastDot == -1) {
+            return Messages.FSTreeNode_TypeUnknownFile;
+        }
+        return getName().substring(lastDot + 1).toUpperCase() + " " + Messages.FSTreeNode_TypeFile; //$NON-NLS-1$
+    }
+
+
+    /**
+     * Get the local file's state of the specified tree node. The local file must exist
+     * before calling this method to get its state.
+     *
+     * @return The tree node's latest cache state.
+     */
+    @Override
+	public CacheState getCacheState() {
+        File file = CacheManager.getCacheFile(this);
+        if (!file.exists()) {
+            return CacheState.consistent;
+        }
+        FileState digest = PersistenceManager.getInstance().getFileDigest(this);
+        return digest.getCacheState();
+    }
+
+    @Override
+	public FSTreeNode getParent() {
+        return fParent;
+    }
+
+	@Override
+	public String getName() {
+		return fName;
+	}
+
+	@Override
+	public IFSTreeNodeWorkingCopy createWorkingCopy() {
+		return new FSTreeNodeWorkingCopy(this);
+	}
+
+	@Override
+	public boolean isFileSystem() {
+		return fType == Type.FILE_SYSTEM;
+	}
+
+	@Override
+	public long getAccessTime() {
+		if (fAttributes != null)
+			return fAttributes.atime;
+		return 0;
+	}
+
+	@Override
+	public long getModificationTime() {
+		if (fAttributes != null)
+			return fAttributes.mtime;
+		return 0;
+	}
+
+	@Override
+	public long getSize() {
+		if (fAttributes != null)
+			return fAttributes.size;
+		return 0;
+	}
+
+	@Override
+	public int getUID() {
+		if (fAttributes != null)
+			return fAttributes.uid;
+		return 0;
+	}
+
+	@Override
+	public int getGID() {
+		if (fAttributes != null)
+			return fAttributes.gid;
+		return 0;
+	}
+
+	@Override
+	public boolean isAncestorOf(IFSTreeNode node) {
+		while (node != null) {
+			if ((node = node.getParent()) == this)
+				return true;
+		}
+		return false;
+	}
+
+	@Override
+	public File getCacheFile() {
+		return CacheManager.getCacheFile(this);
+	}
+
+	@Override
+	public String getPreferredEditorID() {
+		return PersistenceManager.getInstance().getPersistentProperties(this).get(EDITOR_KEY);
+	}
+
+	@Override
+	public void setPreferredEditorID(String editorID) {
+		PersistenceManager.getInstance().getPersistentProperties(this).put(EDITOR_KEY, editorID);
+	}
+
+	@Override
+	public IContentType getContentType() {
+		return ContentTypeHelper.getContentType(this);
+	}
+
+	@Override
+	public boolean isBinaryFile() {
+		return ContentTypeHelper.isBinaryFile(this);
+	}
+
+	@Override
+	public FSTreeNode[] getChildren() {
+		return fChildren;
+	}
+
+	@Override
+	public IOperation operationRefresh(boolean recursive) {
+		return new OpRefresh(this, recursive);
+	}
+
+
+	@Override
+	public IOperation operationRename(String newName) {
+		return new OpRename(this, newName);
+	}
+
+	@Override
+	public IOperation operationUploadContent(File srcFile) {
+		if (srcFile == null)
+			srcFile = getCacheFile();
+
+		OpUpload upload =  new OpUpload(null);
+		upload.addUpload(srcFile, this);
+		return upload;
+	}
+
+	@Override
+	public IOperation operationDelete(IConfirmCallback readonlyCallback) {
+		return new OpDelete(singletonList(this), readonlyCallback);
+	}
+
+	@Override
+	public IOperation operationDownload(OutputStream output) {
+		return new OpDownload(this, output);
+	}
+
+	@Override
+	public IOperation operationDownload(File destinationFolder, IConfirmCallback confirmCallback) {
+		return new OpCopyLocal(singletonList(this), destinationFolder, confirmCallback);
+	}
+
+	@Override
+	public IOperation operationDropFiles(List<String> files, IConfirmCallback confirmCallback) {
+		OpUpload upload =  new OpUpload(confirmCallback);
+		for (String file : files) {
+			upload.addDrop(new File(file), this);
+		}
+		return upload;
+	}
+
+	@Override
+	public IOperation operationDropMove(List<IFSTreeNode> nodes, IConfirmCallback confirmCallback) {
+		return new OpMove(nodes, this, confirmCallback);
+	}
+
+	@Override
+	public IOperation operationDropCopy(List<IFSTreeNode> nodes, boolean cpPerm, boolean cpOwn,
+			IConfirmCallback moveCopyCallback) {
+		return new OpCopy(nodes, this, cpPerm, cpOwn, moveCopyCallback);
+	}
+
+	@Override
+	public IResultOperation<IFSTreeNode> operationNewFile(String name) {
+		return new OpCreateFile(this, name);
+	}
+
+	@Override
+	public IResultOperation<IFSTreeNode> operationNewFolder(String name) {
+		return new OpCreateFolder(this, name);
+	}
+
+	public void changeParent(FSTreeNode newParent) {
+		fParent = newParent;
+	}
+
+	public void changeName(String newName) {
+		fName = newName;
+	}
+
+	@Override
+	public FSTreeNode findChild(String name) {
+		return binarySearch(fChildren, name);
+	}
+
+	public void addNode(FSTreeNode newNode, boolean notify) {
+		final FSTreeNode[] children = fChildren;
+		if (children == null) {
+			setChildren(new FSTreeNode[] {newNode}, notify);
+		} else {
+			int ip = Arrays.binarySearch(children, newNode, getComparator());
+			if (ip >= 0) {
+				children[ip] = newNode;
+			} else {
+				ip = -ip - 1;
+				FSTreeNode[] newChildren = new FSTreeNode[children.length+1];
+				System.arraycopy(children, 0, newChildren, 0, ip);
+				newChildren[ip] = newNode;
+				System.arraycopy(children, ip, newChildren, ip+1, children.length-ip);
+				setChildren(newChildren, notify);
+			}
+		}
+	}
+
+	public void removeNode(FSTreeNode node, boolean notify) {
+		final FSTreeNode[] children = fChildren;
+		if (children == null)
+			return;
+
+		int ip = Arrays.binarySearch(children, node, getComparator());
+		if (ip < 0 || children[ip] != node)
+			return;
+
+		FSTreeNode[] newChildren = new FSTreeNode[children.length-1];
+		System.arraycopy(children, 0, newChildren, 0, ip);
+		System.arraycopy(children, ip+1, newChildren, ip, children.length-ip-1);
+		setChildren(newChildren, notify);
+	}
+
+	public void setContent(FSTreeNode[] children, boolean notify) {
+		setContent(children, notify, true);
+	}
+
+	public void setContent(FSTreeNode[] children, boolean notify, boolean updateRefreshTime) {
+		final Comparator<FSTreeNode> comparator = getComparator();
+		Arrays.sort(children, comparator);
+		if (fChildren != null) {
+			int j = 0;
+			for (int i=0; i<children.length; i++) {
+				FSTreeNode node = children[i];
+				for (; j<fChildren.length; j++) {
+					FSTreeNode old = fChildren[j];
+					int cmp = comparator.compare(old, node);
+					if (cmp == 0) {
+						old.setAttributes(node.fAttributes, false);
+						children[i] = old;
+						j++;
+						break;
+					} else if (cmp > 0) {
+						break;
+					}
+				}
+			}
+		}
+		if (updateRefreshTime) fRefreshTime = System.currentTimeMillis();
+		setChildren(children, notify);
+	}
+
+	private Comparator<FSTreeNode> getComparator() {
+		return isWindowsNode() ? CMP_WIN : CMP_UNIX;
+	}
+
+	private void setChildren(FSTreeNode[] children, boolean notify) {
+		Assert.isTrue(Protocol.isDispatchThread());
+	    FSTreeNode[] oldChildren = fChildren;
+	    fChildren = children;
+	    if (notify) {
+	    	notifyChange("children", oldChildren, children); //$NON-NLS-1$
+	    }
+	}
+
+	public void setAttributes(FileAttrs attrs, boolean notify) {
+	    FileAttrs oldAttrs = fAttributes;
+	    fAttributes = attrs;
+	    if (attrs != null && attrs.isFile())
+	    	fRefreshTime = System.currentTimeMillis();
+	    if (notify) {
+	    	notifyChange("attributes", oldAttrs, attrs); //$NON-NLS-1$
+	    }
+	}
+
+	public void notifyChange() {
+		notifyChange("children", null, null); //$NON-NLS-1$
+	}
+
+	private void notifyChange(String prop, Object oldValue, Object newValue) {
+        fRuntimeModel.firePropertyChanged(new PropertyChangeEvent(this, prop, oldValue, newValue));
+	}
+
+	@Override
+	public long getLastRefresh() {
+		return fRefreshTime;
+	}
+
+	private FSTreeNode binarySearch(final FSTreeNode[] children, String name) {
+		if (children == null)
+			return null;
+
+		boolean caseSensitive = !isWindowsNode();
+		int low = 0;
+		int high = children.length - 1;
+
+		while (low <= high) {
+			int mid = (low + high) >>> 1;
+			FSTreeNode midVal = children[mid];
+			int cmp = caseSensitive ? midVal.getName().compareTo(name) : midVal.getName().compareToIgnoreCase(name);
+			if (cmp < 0)
+				low = mid + 1;
+			else if (cmp > 0)
+				high = mid - 1;
+			else
+				return midVal;
+		}
+		return null;
+	}
+
+	@Override
+	public void setRevealOnConnect(boolean value) {
+		if (value) {
+			if (CorePlugin.getDefault().addToRevealOnConnect(getLocation(true))) {
+				notifyChange("favorites", Boolean.FALSE, Boolean.TRUE); //$NON-NLS-1$
+			}
+		} else {
+			if (CorePlugin.getDefault().removeFromRevealOnConnect(getLocation(true))) {
+				notifyChange("favorites", Boolean.TRUE, Boolean.FALSE); //$NON-NLS-1$
+			}
+		}
+	}
+
+	@Override
+	public boolean isRevealOnConnect() {
+		return CorePlugin.getDefault().isRevealOnConnect(getLocation(true));
+	}
+
+	@Override
+	protected boolean checkPermission(int user, int group, int other) {
+		int permissionsMode = fRuntimeModel.getDelegate().getCheckPermissionsMode();
+		if (IRuntimeModel.PERMISSIONS_MODE_ALWAYS_WRITABLE == permissionsMode) {
+			return true;
+		} else if (IRuntimeModel.PERMISSIONS_MODE_USE_ALWAYS_OWNER == permissionsMode) {
+			return getPermission(user);
+		}
+
+		IUserAccount account = getUserAccount();
+        int permissions = getPermissions();
+        if (account != null && permissions != 0) {
+            if (getUID() == account.getEUID()) {
+                return getPermission(user);
+            }
+            if (getGID() == account.getEGID()) {
+                return getPermission(group);
+            }
+            return getPermission(other);
+        }
+        return false;
+	}
+}
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNodeBase.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNodeBase.java
index 48ac5d1d5..07385ec82 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNodeBase.java
+++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNodeBase.java
@@ -26,6 +26,7 @@ public abstract class FSTreeNodeBase extends PlatformObject implements IFSTreeNo
 
 	protected abstract int getWin32Attrs();
 	protected abstract int getPermissions();
+	protected abstract boolean checkPermission(int user, int group, int other);
 
 	@Override
     public final boolean getWin32Attr(int attribute) {
@@ -63,21 +64,6 @@ public abstract class FSTreeNodeBase extends PlatformObject implements IFSTreeNo
     	return checkPermission(IFileSystem.S_IXUSR, IFileSystem.S_IXGRP, IFileSystem.S_IXOTH);
 	}
 
-    private boolean checkPermission(int user, int group, int other) {
-        IUserAccount account = getUserAccount();
-        int permissions = getPermissions();
-        if (account != null && permissions != 0) {
-            if (getUID() == account.getEUID()) {
-                return getPermission(user);
-            }
-            if (getGID() == account.getEGID()) {
-                return getPermission(group);
-            }
-            return getPermission(other);
-        }
-        return false;
-    }
-
 	@Override
 	public final boolean isAgentOwner() {
         IUserAccount account = getUserAccount();
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNodeWorkingCopy.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNodeWorkingCopy.java
index d2e05b7ab..5b1b84f8a 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNodeWorkingCopy.java
+++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/internal/FSTreeNodeWorkingCopy.java
@@ -243,4 +243,9 @@ class FSTreeNodeWorkingCopy extends FSTreeNodeBase implements IFSTreeNodeWorking
 	public int getGID() {
 		return fOriginal.getGID();
 	}
+
+	@Override
+	protected boolean checkPermission(int user, int group, int other) {
+		return fOriginal.checkPermission(user, group, other);
+	}
 }