/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing" */
package org.alfresco.repo.avm;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import org.alfresco.repo.domain.DbAccessControlList;
import org.alfresco.repo.domain.hibernate.DbAccessControlListImpl;
import org.alfresco.repo.security.permissions.ACLCopyMode;
import org.alfresco.repo.security.permissions.ACLType;
import org.alfresco.service.cmr.avm.AVMBadArgumentException;
import org.alfresco.service.cmr.avm.AVMException;
import org.alfresco.service.cmr.avm.AVMExistsException;
import org.alfresco.service.cmr.avm.AVMNodeDescriptor;
import org.alfresco.service.cmr.avm.AVMNotFoundException;
import org.alfresco.service.cmr.security.PermissionService;
import org.alfresco.util.Pair;
/**
* A layered directory node. A layered directory node points at an underlying directory, which may or may not exist. The
* visible contents of a layered directory node is the contents of the underlying node pointed at plus those nodes added
* to or modified in the layered directory node minus those nodes which have been deleted in the layered directory node.
*
* @author britt
*/
class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirectoryNode
{
static final long serialVersionUID = 4623043057918181724L;
/**
* The layer id.
*/
private long fLayerID;
/**
* The pointer to the underlying directory.
*/
private String fIndirection;
/**
* Whether this is a primary indirection node.
*/
private boolean fPrimaryIndirection;
/**
* Whether this is opaque.
*/
private boolean fOpacity;
/**
* The indirection version.
*/
private int fIndirectionVersion;
/**
* Default constructor. Called by Hibernate.
*/
protected LayeredDirectoryNodeImpl()
{
}
/**
* Make a new one from a specified indirection path.
*
* @param indirection
* The indirection path to set.
* @param store
* The store that owns this node.
*/
public LayeredDirectoryNodeImpl(String indirection, AVMStore store, AVMNode toCopy, Long parentAcl, ACLCopyMode mode)
{
super(store.getAVMRepository().issueID(), store);
fLayerID = -1;
fIndirection = indirection;
fIndirectionVersion = -1;
fPrimaryIndirection = true;
fOpacity = false;
if (toCopy != null)
{
setVersionID(toCopy.getVersionID() + 1);
}
else
{
setVersionID(1);
}
AVMDAOs.Instance().fAVMNodeDAO.save(this);
AVMDAOs.Instance().fAVMNodeDAO.flush();
if (toCopy != null)
{
copyProperties(toCopy);
copyACLs(toCopy, parentAcl, mode);
copyAspects(toCopy);
}
else
{
if (indirection != null)
{
Lookup lookup = AVMRepository.GetInstance().lookupDirectory(-1, indirection);
if (lookup != null)
{
DirectoryNode dir = (DirectoryNode) lookup.getCurrentNode();
if (dir.getAcl() != null)
{
setAcl(DbAccessControlListImpl.createLayeredAcl(dir.getAcl().getId()));
}
else
{
// TODO: Will not pick up changes if we start with no permission on teh terget node - may need
// to add
setAcl(DbAccessControlListImpl.createLayeredAcl(null));
}
}
else
{
setAcl(DbAccessControlListImpl.createLayeredAcl(null));
}
}
else
{
setAcl(DbAccessControlListImpl.createLayeredAcl(null));
}
}
}
/**
* Kind of copy constructor, sort of.
*
* @param other
* The LayeredDirectoryNode we are copied from.
* @param repos
* The AVMStore object we use.
*/
@SuppressWarnings("unchecked")
public LayeredDirectoryNodeImpl(LayeredDirectoryNode other, AVMStore repos, Lookup lookup, boolean copyAll, Long parentAcl, ACLCopyMode mode)
{
super(repos.getAVMRepository().issueID(), repos);
fIndirection = other.getIndirection();
fPrimaryIndirection = other.getPrimaryIndirection();
fIndirectionVersion = -1;
fLayerID = -1;
fOpacity = false;
AVMDAOs.Instance().fAVMNodeDAO.save(this);
Map<String, AVMNode> children = null;
if (copyAll)
{
children = other.getListing(lookup, true);
}
else
{
children = other.getListingDirect(lookup, true);
}
for (Map.Entry<String, AVMNode> child : children.entrySet())
{
ChildKey key = new ChildKey(this, child.getKey());
ChildEntry entry = new ChildEntryImpl(key, child.getValue());
AVMDAOs.Instance().fChildEntryDAO.save(entry);
}
setVersionID(other.getVersionID() + 1);
AVMDAOs.Instance().fAVMNodeDAO.flush();
copyProperties(other);
copyAspects(other);
copyACLs(other, parentAcl, mode);
}
/**
* Construct one from a PlainDirectoryNode. Called when a COW is performed in a layered context.
*
* @param other
* The PlainDirectoryNode.
* @param store
* The AVMStore we should belong to.
* @param lPath
* The Lookup object.
*/
@SuppressWarnings("unchecked")
public LayeredDirectoryNodeImpl(PlainDirectoryNode other, AVMStore store, Lookup lPath, boolean copyContents, Long parentAcl, ACLCopyMode mode)
{
super(store.getAVMRepository().issueID(), store);
fIndirection = null;
fPrimaryIndirection = false;
fIndirectionVersion = -1;
fLayerID = -1;
fOpacity = false;
AVMDAOs.Instance().fAVMNodeDAO.save(this);
if (copyContents)
{
for (ChildEntry child : AVMDAOs.Instance().fChildEntryDAO.getByParent(other))
{
ChildKey key = new ChildKey(this, child.getKey().getName());
ChildEntryImpl newChild = new ChildEntryImpl(key, child.getChild());
AVMDAOs.Instance().fChildEntryDAO.save(newChild);
}
}
setVersionID(other.getVersionID() + 1);
AVMDAOs.Instance().fAVMNodeDAO.flush();
copyProperties(other);
copyAspects(other);
copyACLs(other, parentAcl, mode);
}
/**
* Create a new layered directory based on a directory we are being named from that is in not in the layer of the
* source lookup.
*
* @param dir
* The directory
* @param store
* The store
* @param srcLookup
* The source lookup.
* @param name
* The name of the target.
*/
public LayeredDirectoryNodeImpl(DirectoryNode dir, AVMStore store, Lookup srcLookup, String name, Long inheritedAcl, ACLCopyMode mode)
{
super(store.getAVMRepository().issueID(), store);
fIndirection = srcLookup.getIndirectionPath() + "/" + name;
fPrimaryIndirection = true;
fIndirectionVersion = -1;
fLayerID = -1;
fOpacity = false;
setVersionID(dir.getVersionID() + 1);
AVMDAOs.Instance().fAVMNodeDAO.save(this);
Map<String, AVMNode> children = dir.getListing(srcLookup, true);
for (Map.Entry<String, AVMNode> child : children.entrySet())
{
ChildKey key = new ChildKey(this, child.getKey());
ChildEntry entry = new ChildEntryImpl(key, child.getValue());
AVMDAOs.Instance().fChildEntryDAO.save(entry);
}
AVMDAOs.Instance().fAVMNodeDAO.flush();
copyProperties(dir);
copyAspects(dir);
copyACLs(dir, inheritedAcl, mode);
}
/**
* Is this a primary indirection node.
*
* @return Whether this is a primary indirection.
*/
public boolean getPrimaryIndirection()
{
return fPrimaryIndirection;
}
/**
* Set the primary indirection state of this.
*
* @param has
* Whether this is a primary indirection node.
*/
public void setPrimaryIndirection(boolean has)
{
fPrimaryIndirection = has;
}
/**
* Get the indirection path.
*
* @return The indirection path.
*/
public String getIndirection()
{
return fIndirection;
}
/**
* Get the underlying path in the Lookup's context.
*
* @param lPath
* The Lookup.
* @return The underlying path.
*/
public String getUnderlying(Lookup lPath)
{
if (fPrimaryIndirection)
{
return fIndirection;
}
return lPath.getCurrentIndirection();
}
/**
* Get the underlying version in the lookup path context.
*
* @param lPath
* The Lookup.
* @return The effective underlying version.
*/
public int getUnderlyingVersion(Lookup lPath)
{
if (lPath.getVersion() == -1)
{
return -1;
}
if (fPrimaryIndirection)
{
return fIndirectionVersion;
}
return lPath.getCurrentIndirectionVersion();
}
/**
* Get the layer id.
*
* @return The layer id.
*/
public long getLayerID()
{
return fLayerID;
}
/**
* Set the layer id.
*
* @param id
* The id to set.
*/
public void setLayerID(long id)
{
fLayerID = id;
}
/**
* Copy on write logic.
*
* @param lPath
* @return The copy or null.
*/
public AVMNode copy(Lookup lPath)
{
DirectoryNode dir = lPath.getCurrentNodeDirectory();
Long parentAclId = null;
if ((dir != null) && (dir.getAcl() != null))
{
parentAclId = dir.getAcl().getId();
}
// Capture the store.
AVMStore store = lPath.getAVMStore();
LayeredDirectoryNodeImpl newMe = null;
if (!lPath.isInThisLayer())
{
// This means that this is being seen indirectly through the topmost
// layer. The following creates a node that will inherit its
// indirection from its parent.
newMe = new LayeredDirectoryNodeImpl((String) null, store, this, parentAclId, ACLCopyMode.COW);
newMe.setPrimaryIndirection(false);
newMe.setLayerID(lPath.getTopLayer().getLayerID());
}
else
{
// A simple copy is made.
newMe = new LayeredDirectoryNodeImpl(this, store, lPath, false, parentAclId, ACLCopyMode.COW);
newMe.setLayerID(getLayerID());
}
newMe.setAncestor(this);
return newMe;
}
/**
* Insert a child node without COW.
*
* @param name
* The name to give the child.
*/
public void putChild(String name, AVMNode node)
{
if (DEBUG)
{
checkReadOnly();
}
ChildKey key = new ChildKey(this, name);
ChildEntry existing = AVMDAOs.Instance().fChildEntryDAO.get(key);
if (existing != null)
{
AVMDAOs.Instance().fChildEntryDAO.delete(existing);
}
ChildEntry entry = new ChildEntryImpl(key, node);
AVMDAOs.Instance().fAVMNodeDAO.flush();
AVMDAOs.Instance().fChildEntryDAO.save(entry);
}
/**
* Does this node directly contain the indicated node.
*
* @param node
* The node we are checking.
* @return Whether node is directly contained.
*/
public boolean directlyContains(AVMNode node)
{
return AVMDAOs.Instance().fChildEntryDAO.getByParentChild(this, node) != null;
}
/**
* Get a listing of the virtual contents of this directory.
*
* @param lPath
* The Lookup.
* @return A Map from names to nodes. This is a sorted Map.
*/
@SuppressWarnings("unchecked")
public Map<String, AVMNode> getListing(Lookup lPath, boolean includeDeleted)
{
// Get the base listing from the thing we indirect to.
Map<String, AVMNode> listing = new HashMap<String, AVMNode>();
if (!fOpacity)
{
Lookup lookup = AVMRepository.GetInstance().lookupDirectory(getUnderlyingVersion(lPath), getUnderlying(lPath));
if (lookup != null)
{
DirectoryNode dir = (DirectoryNode) lookup.getCurrentNode();
Map<String, AVMNode> underListing = dir.getListing(lookup, includeDeleted);
for (Map.Entry<String, AVMNode> entry : underListing.entrySet())
{
if (entry.getValue().getType() == AVMNodeType.LAYERED_DIRECTORY ||
entry.getValue().getType() == AVMNodeType.PLAIN_DIRECTORY)
{
if (!AVMRepository.GetInstance().can(lookup.getAVMStore(), entry.getValue(), PermissionService.READ_CHILDREN))
{
continue;
}
}
listing.put(entry.getKey(), entry.getValue());
}
}
}
for (ChildEntry entry : AVMDAOs.Instance().fChildEntryDAO.getByParent(this))
{
if (entry.getChild().getType() == AVMNodeType.LAYERED_DIRECTORY ||
entry.getChild().getType() == AVMNodeType.PLAIN_DIRECTORY)
{
if (!AVMRepository.GetInstance().can(lPath.getAVMStore(), entry.getChild(), PermissionService.READ_CHILDREN))
{
continue;
}
}
if (!includeDeleted && entry.getChild().getType() == AVMNodeType.DELETED_NODE)
{
listing.remove(entry.getKey().getName());
}
else
{
listing.put(entry.getKey().getName(), entry.getChild());
}
}
return listing;
}
/**
* Get a listing of the nodes directly contained by a directory.
*
* @param lPath
* The Lookup to this directory.
* @return A Map of names to nodes.
*/
public Map<String, AVMNode> getListingDirect(Lookup lPath, boolean includeDeleted)
{
Map<String, AVMNode> listing = new HashMap<String, AVMNode>();
for (ChildEntry entry : AVMDAOs.Instance().fChildEntryDAO.getByParent(this))
{
if (entry.getChild().getType() == AVMNodeType.LAYERED_DIRECTORY ||
entry.getChild().getType() == AVMNodeType.PLAIN_DIRECTORY)
{
if (!AVMRepository.GetInstance().can(lPath != null ? lPath.getAVMStore() : null, entry.getChild(), PermissionService.READ_CHILDREN))
{
continue;
}
}
if (includeDeleted || entry.getChild().getType() != AVMNodeType.DELETED_NODE)
{
listing.put(entry.getKey().getName(), entry.getChild());
}
}
return listing;
}
/**
* Get the direct contents of this directory.
*
* @param dir
* The descriptor that describes us.
* @param includeDeleted
* Whether to inlude deleted nodes.
* @return A Map of Strings to descriptors.
*/
public SortedMap<String, AVMNodeDescriptor> getListingDirect(AVMNodeDescriptor dir, boolean includeDeleted)
{
List<ChildEntry> children = AVMDAOs.Instance().fChildEntryDAO.getByParent(this);
SortedMap<String, AVMNodeDescriptor> listing = new TreeMap<String, AVMNodeDescriptor>(String.CASE_INSENSITIVE_ORDER);
for (ChildEntry child : children)
{
AVMNode childNode = child.getChild();
if (childNode.getType() == AVMNodeType.LAYERED_DIRECTORY ||
childNode.getType() == AVMNodeType.PLAIN_DIRECTORY)
{
if (!AVMRepository.GetInstance().can(null, childNode, PermissionService.READ_CHILDREN))
{
continue;
}
}
if (!includeDeleted && childNode.getType() == AVMNodeType.DELETED_NODE)
{
continue;
}
AVMNodeDescriptor childDesc = childNode.getDescriptor(dir.getPath(), child.getKey().getName(), dir.getIndirection(), dir.getIndirectionVersion());
listing.put(child.getKey().getName(), childDesc);
}
return listing;
}
/**
* Get a listing from a directory node descriptor.
*
* @param dir
* The directory node descriptor.
* @param includeDeleted
* Should DeletedNodes be shown.
* @return A Map of names to node descriptors.
*/
public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir, boolean includeDeleted)
{
if (dir.getPath() == null || dir.getIndirection() == null)
{
throw new AVMBadArgumentException("Illegal null argument.");
}
SortedMap<String, AVMNodeDescriptor> baseListing = new TreeMap<String, AVMNodeDescriptor>(String.CASE_INSENSITIVE_ORDER);
// If we are not opaque, get the underlying base listing.
if (!fOpacity)
{
Lookup lookup = AVMRepository.GetInstance().lookupDirectory(-1, dir.getIndirection());
if (lookup != null)
{
DirectoryNode dirNode = (DirectoryNode) lookup.getCurrentNode();
Map<String, AVMNode> listing = dirNode.getListing(lookup, includeDeleted);
for (Map.Entry<String, AVMNode> entry : listing.entrySet())
{
if (entry.getValue().getType() == AVMNodeType.LAYERED_DIRECTORY ||
entry.getValue().getType() == AVMNodeType.PLAIN_DIRECTORY)
{
if (!AVMRepository.GetInstance().can(null, entry.getValue(), PermissionService.READ_CHILDREN))
{
continue;
}
}
baseListing.put(entry.getKey(),
entry.getValue().getDescriptor(dir.getPath(), entry.getKey(),
lookup.getCurrentIndirection(),
lookup.getCurrentIndirectionVersion()));
}
}
}
List<ChildEntry> children = AVMDAOs.Instance().fChildEntryDAO.getByParent(this);
for (ChildEntry child : children)
{
if (child.getChild().getType() == AVMNodeType.LAYERED_DIRECTORY ||
child.getChild().getType() == AVMNodeType.PLAIN_DIRECTORY)
{
if (!AVMRepository.GetInstance().can(null, child.getChild(), PermissionService.READ_CHILDREN))
{
continue;
}
}
if (!includeDeleted && child.getChild().getType() == AVMNodeType.DELETED_NODE)
{
baseListing.remove(child.getKey().getName());
}
else
{
baseListing.put(child.getKey().getName(), child.getChild()
.getDescriptor(dir.getPath(), child.getKey().getName(), dir.getIndirection(), dir.getIndirectionVersion()));
}
}
return baseListing;
}
/**
* Get the names of nodes deleted in this directory.
*
* @return A List of names.
*/
public List<String> getDeletedNames()
{
List<ChildEntry> children = AVMDAOs.Instance().fChildEntryDAO.getByParent(this);
List<String> listing = new ArrayList<String>();
for (ChildEntry entry : children)
{
if (entry.getChild().getType() == AVMNodeType.DELETED_NODE)
{
listing.add(entry.getKey().getName());
}
}
return listing;
}
/**
* Lookup a child by name.
*
* @param lPath
* The Lookup.
* @param name
* The name we are looking.
* @param version
* The version in which we are looking.
* @param write
* Whether this lookup is occurring in a write context.
* @return The child or null if not found.
*/
@SuppressWarnings("unchecked")
public Pair<AVMNode, Boolean> lookupChild(Lookup lPath, String name, boolean includeDeleted)
{
ChildKey key = new ChildKey(this, name);
ChildEntry entry = AVMDAOs.Instance().fChildEntryDAO.get(key);
if (entry != null)
{
if (!includeDeleted && entry.getChild().getType() == AVMNodeType.DELETED_NODE)
{
return null;
}
Pair<AVMNode, Boolean> result = new Pair<AVMNode, Boolean>(AVMNodeUnwrapper.Unwrap(entry.getChild()), true);
return result;
}
// Don't check our underlying directory if we are opaque.
if (fOpacity)
{
return null;
}
// Not here so check our indirection.
Lookup lookup = AVMRepository.GetInstance().lookupDirectory(getUnderlyingVersion(lPath), getUnderlying(lPath));
if (lookup != null)
{
DirectoryNode dir = (DirectoryNode) lookup.getCurrentNode();
Pair<AVMNode, Boolean> retVal = dir.lookupChild(lookup, name, includeDeleted);
if (retVal != null)
{
retVal.setSecond(false);
}
lPath.setFinalStore(lookup.getFinalStore());
return retVal;
}
else
{
return null;
}
}
/**
* Lookup a child using a node descriptor as context.
*
* @param mine
* The node descriptor for this,
* @param name
* The name to lookup,
* @return The node descriptor.
*/
public AVMNodeDescriptor lookupChild(AVMNodeDescriptor mine, String name, boolean includeDeleted)
{
if (mine.getPath() == null || mine.getIndirection() == null)
{
throw new AVMBadArgumentException("Illegal null argument.");
}
ChildKey key = new ChildKey(this, name);
ChildEntry entry = AVMDAOs.Instance().fChildEntryDAO.get(key);
if (entry != null)
{
if (!includeDeleted && entry.getChild().getType() == AVMNodeType.DELETED_NODE)
{
return null;
}
AVMNodeDescriptor desc = entry.getChild().getDescriptor(mine.getPath(), name, mine.getIndirection(), mine.getIndirectionVersion());
return desc;
}
// If we are opaque don't check underneath.
if (fOpacity)
{
return null;
}
Lookup lookup = AVMRepository.GetInstance().lookupDirectory(mine.getIndirectionVersion(), mine.getIndirection());
if (lookup != null)
{
DirectoryNode dir = (DirectoryNode) lookup.getCurrentNode();
Pair<AVMNode, Boolean> child = dir.lookupChild(lookup, name, includeDeleted);
if (child == null)
{
return null;
}
AVMNodeDescriptor desc = child.getFirst().getDescriptor(lookup);
return desc;
}
else
{
return null;
}
}
/**
* Directly remove a child. Do not COW. Do not pass go etc.
*
* @param lPath
* The lookup that arrived at this.
* @param name
* The name of the child to remove.
*/
@SuppressWarnings("unchecked")
public void removeChild(Lookup lPath, String name)
{
if (DEBUG)
{
checkReadOnly();
}
ChildKey key = new ChildKey(this, name);
ChildEntry entry = AVMDAOs.Instance().fChildEntryDAO.get(key);
AVMNode child = null;
boolean indirect = false;
if (entry != null)
{
child = entry.getChild();
if (child.getType() == AVMNodeType.DELETED_NODE)
{
return;
}
AVMDAOs.Instance().fChildEntryDAO.delete(entry);
}
else
{
Pair<AVMNode, Boolean> temp = lookupChild(lPath, name, false);
if (temp == null)
{
child = null;
}
else
{
child = temp.getFirst();
}
indirect = true;
}
if (child != null && (indirect || child.getStoreNew() == null || child.getAncestor() != null))
{
DeletedNodeImpl ghost = new DeletedNodeImpl(lPath.getAVMStore().getAVMRepository().issueID(), lPath.getAVMStore(), child.getAcl());
AVMDAOs.Instance().fAVMNodeDAO.save(ghost);
AVMDAOs.Instance().fAVMNodeDAO.flush();
ghost.setAncestor(child);
ghost.setDeletedType(child.getType());
this.putChild(name, ghost);
}
else
{
AVMDAOs.Instance().fAVMNodeDAO.flush();
}
}
/**
* Get the type of this node.
*
* @return The type of this node.
*/
public int getType()
{
return AVMNodeType.LAYERED_DIRECTORY;
}
/**
* For diagnostics. Get a String representation.
*
* @param lPath
* The Lookup.
* @return A String representation.
*/
public String toString(Lookup lPath)
{
return "[LD:" + getId() + ":" + getUnderlying(lPath) + "]";
}
/**
* Set the primary indirection. No COW. Cascade resetting of acls also does not COW
*
* @param path
* The indirection path.
*/
public void rawSetPrimary(Lookup lPath, String path)
{
if (DEBUG)
{
checkReadOnly();
}
fIndirection = path;
fPrimaryIndirection = true;
// Need to change the permission we point to ....
if (fIndirection != null)
{
if ((getAcl() == null) || (getAcl().getAclType() == ACLType.LAYERED))
{
DbAccessControlList acl = null;
Lookup lookup = AVMRepository.GetInstance().lookupDirectory(-1, fIndirection);
if (lookup != null)
{
DirectoryNode dir = (DirectoryNode) lookup.getCurrentNode();
if (dir.getAcl() != null)
{
if (getAcl() == null)
{
acl = DbAccessControlListImpl.createLayeredAcl(dir.getAcl().getId());
}
else
{
acl = getAcl().getCopy(dir.getAcl().getId(), ACLCopyMode.REDIRECT);
}
}
else
{
if (getAcl() == null)
{
acl = DbAccessControlListImpl.createLayeredAcl(null);
}
else
{
acl = getAcl().getCopy(null, ACLCopyMode.REDIRECT);
}
}
}
setAclAndInherit(this, acl, null);
}
}
else
{
if (getAcl().getAclType() == ACLType.LAYERED)
{
DbAccessControlList acl = null;
if (getAcl() == null)
{
acl = DbAccessControlListImpl.createLayeredAcl(null);
}
else
{
acl = getAcl().getCopy(null, ACLCopyMode.REDIRECT);
}
setAclAndInherit(this, acl, null);
}
}
}
protected void setAclAndInherit(LayeredDirectoryNodeImpl layeredDirectory, DbAccessControlList acl, String name)
{
// Note ACLS may COW on next ACL change
layeredDirectory.setAcl(acl);
Map<String, AVMNode> directChildren = layeredDirectory.getListingDirect((Lookup) null, true);
for (String key : directChildren.keySet())
{
AVMNode node = directChildren.get(key);
if (node instanceof LayeredDirectoryNodeImpl)
{
LayeredDirectoryNodeImpl childNode = (LayeredDirectoryNodeImpl) node;
DbAccessControlList currentAcl = node.getAcl();
if (currentAcl == null)
{
if (acl == null)
{
childNode.setAclAndInherit(childNode, null, key);
}
else
{
childNode.setAclAndInherit(childNode, acl.getCopy(acl.getId(), ACLCopyMode.REDIRECT), key);
}
}
else
{
if (acl == null)
{
childNode.setAclAndInherit(childNode, currentAcl, key);
}
else
{
childNode.setAclAndInherit(childNode, currentAcl.getCopy(acl.getId(), ACLCopyMode.REDIRECT), key);
}
}
}
else if (node instanceof PlainFileNodeImpl)
{
PlainFileNodeImpl childNode = (PlainFileNodeImpl) node;
DbAccessControlList currentAcl = node.getAcl();
if (currentAcl == null)
{
if (acl == null)
{
childNode.setAcl(null);
}
else
{
childNode.setAcl(acl.getCopy(acl.getId(), ACLCopyMode.REDIRECT));
}
}
else
{
if (acl == null)
{
childNode.setAcl(currentAcl);
}
else
{
childNode.setAcl(currentAcl.getCopy(acl.getId(), ACLCopyMode.REDIRECT));
}
}
}
}
}
/**
* Make this node become a primary indirection. COW.
*
* @param lPath
* The Lookup.
*/
public void turnPrimary(Lookup lPath)
{
if (DEBUG)
{
checkReadOnly();
}
String path = lPath.getCurrentIndirection();
rawSetPrimary(lPath, path);
}
/**
* Make this point at a new target.
*
* @param lPath
* The Lookup.
*/
public void retarget(Lookup lPath, String target)
{
if (DEBUG)
{
checkReadOnly();
}
rawSetPrimary(lPath, target);
}
/**
* Let anything behind name in this become visible.
*
* @param lPath
* The Lookup.
* @param name
* The name to uncover.
*/
public void uncover(Lookup lPath, String name)
{
if (DEBUG)
{
checkReadOnly();
}
ChildKey key = new ChildKey(this, name);
ChildEntry entry = AVMDAOs.Instance().fChildEntryDAO.get(key);
if (entry.getChild().getType() != AVMNodeType.DELETED_NODE)
{
throw new AVMException("One can only uncover deleted nodes.");
}
if (entry != null)
{
AVMDAOs.Instance().fChildEntryDAO.delete(entry);
}
}
/**
* Get the descriptor for this node.
*
* @param lPath
* The Lookup.
* @return A descriptor.
*/
public AVMNodeDescriptor getDescriptor(Lookup lPath, String name)
{
BasicAttributes attrs = getBasicAttributes();
String path = lPath.getRepresentedPath();
path = AVMNodeConverter.ExtendAVMPath(path, name);
String indirect = null;
int indirectionVersion = -1;
if (fPrimaryIndirection)
{
indirect = fIndirection;
indirectionVersion = fIndirectionVersion;
}
else
{
indirect = AVMNodeConverter.ExtendAVMPath(lPath.getCurrentIndirection(), name);
indirectionVersion = lPath.getCurrentIndirectionVersion();
}
return new AVMNodeDescriptor(path, name, AVMNodeType.LAYERED_DIRECTORY, attrs.getCreator(), attrs.getOwner(), attrs.getLastModifier(), attrs.getCreateDate(), attrs
.getModDate(), attrs.getAccessDate(), getId(), getGuid(), getVersionID(), indirect, indirectionVersion, fPrimaryIndirection, fLayerID, fOpacity, -1, -1);
}
/**
* Get the descriptor for this node.
*
* @param lPath
* The Lookup.
* @return A descriptor.
*/
public AVMNodeDescriptor getDescriptor(Lookup lPath)
{
BasicAttributes attrs = getBasicAttributes();
String path = lPath.getRepresentedPath();
String name = path.substring(path.lastIndexOf("/") + 1);
return new AVMNodeDescriptor(path, name, AVMNodeType.LAYERED_DIRECTORY, attrs.getCreator(), attrs.getOwner(), attrs.getLastModifier(), attrs.getCreateDate(), attrs
.getModDate(), attrs.getAccessDate(), getId(), getGuid(), getVersionID(), getUnderlying(lPath), getUnderlyingVersion(lPath), fPrimaryIndirection, fLayerID,
fOpacity, -1, -1);
}
/**
* Get a descriptor for this.
*
* @param parentPath
* The parent path.
* @param name
* The name this was looked up with.
* @param parentIndirection
* The indirection of the parent.
* @return The descriptor.
*/
public AVMNodeDescriptor getDescriptor(String parentPath, String name, String parentIndirection, int parentIndirectionVersion)
{
BasicAttributes attrs = getBasicAttributes();
String path = parentPath.endsWith("/") ? parentPath + name : parentPath + "/" + name;
String indirection = null;
int indirectionVersion = -1;
if (fPrimaryIndirection)
{
indirection = fIndirection;
indirectionVersion = fIndirectionVersion;
}
else
{
indirection = parentIndirection.endsWith("/") ? parentIndirection + name : parentIndirection + "/" + name;
indirectionVersion = parentIndirectionVersion;
}
return new AVMNodeDescriptor(path, name, AVMNodeType.LAYERED_DIRECTORY, attrs.getCreator(), attrs.getOwner(), attrs.getLastModifier(), attrs.getCreateDate(), attrs
.getModDate(), attrs.getAccessDate(), getId(), getGuid(), getVersionID(), indirection, indirectionVersion, fPrimaryIndirection, fLayerID, fOpacity, -1, -1);
}
/**
* Set the indirection.
*
* @param indirection
*/
public void setIndirection(String indirection)
{
fIndirection = indirection;
}
/**
* Does nothing because LayeredDirectoryNodes can't be roots.
*
* @param isRoot
*/
public void setIsRoot(boolean isRoot)
{
}
/**
* Get the opacity of this.
*
* @return The opacity.
*/
public boolean getOpacity()
{
return fOpacity;
}
/**
* Set the opacity of this, ie, whether it blocks things normally seen through its indirection.
*
* @param opacity
*/
public void setOpacity(boolean opacity)
{
fOpacity = opacity;
}
/**
* Link a node with the given id into this directory.
*
* @param lPath
* The Lookup for this.
* @param name
* The name to give the node.
* @param toLink
* The node to link in.
*/
public void link(Lookup lPath, String name, AVMNodeDescriptor toLink)
{
if (DEBUG)
{
checkReadOnly();
}
AVMNode node = AVMDAOs.Instance().fAVMNodeDAO.getByID(toLink.getId());
if (node == null)
{
throw new AVMNotFoundException("Not Found: " + toLink.getId());
}
if (node.getType() == AVMNodeType.LAYERED_DIRECTORY && !((LayeredDirectoryNode) node).getPrimaryIndirection())
{
throw new AVMBadArgumentException("Non primary layered directories cannot be linked.");
}
// Look for an existing child of that name.
Pair<AVMNode, Boolean> temp = lookupChild(lPath, name, true);
AVMNode existing = (temp == null) ? null : temp.getFirst();
ChildKey key = new ChildKey(this, name);
if (existing != null)
{
if (existing.getType() != AVMNodeType.DELETED_NODE)
{
// If the existing child is not a DELETED_NODE it's an error.
throw new AVMExistsException(name + " exists.");
}
// Only if the existing DELETED_NODE child exists directly in this
// directory do we delete it.
if (directlyContains(existing))
{
ChildEntry entry = AVMDAOs.Instance().fChildEntryDAO.get(key);
AVMDAOs.Instance().fChildEntryDAO.delete(entry);
}
}
// Make the new ChildEntry and save.
ChildEntry newChild = new ChildEntryImpl(key, node);
AVMDAOs.Instance().fChildEntryDAO.save(newChild);
}
/**
* Remove name without leaving behind a deleted node.
*
* @param name
* The name of the child to flatten.
*/
public void flatten(String name)
{
if (DEBUG)
{
checkReadOnly();
}
ChildKey key = new ChildKey(this, name);
ChildEntry entry = AVMDAOs.Instance().fChildEntryDAO.get(key);
if (entry != null)
{
AVMDAOs.Instance().fChildEntryDAO.delete(entry);
}
}
/*
* (non-Javadoc)
*
* @see org.alfresco.repo.avm.LayeredDirectoryNode#setIndirectionVersion(int)
*/
public void setIndirectionVersion(Integer version)
{
if (version == null)
{
fIndirectionVersion = -1;
}
else
{
fIndirectionVersion = version;
}
}
/**
* Get the indirection version.
*
* @return The indirection version.
*/
public Integer getIndirectionVersion()
{
return fIndirectionVersion;
}
}