mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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ef51318dbe
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@13676 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
1237 lines
42 KiB
Java
1237 lines
42 KiB
Java
/*
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* Copyright (C) 2005-2009 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing" */
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package org.alfresco.repo.avm;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.SortedMap;
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import java.util.TreeMap;
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import org.alfresco.repo.domain.DbAccessControlList;
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import org.alfresco.repo.domain.hibernate.DbAccessControlListImpl;
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import org.alfresco.repo.security.permissions.ACLCopyMode;
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import org.alfresco.repo.security.permissions.ACLType;
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import org.alfresco.service.cmr.avm.AVMBadArgumentException;
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import org.alfresco.service.cmr.avm.AVMException;
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import org.alfresco.service.cmr.avm.AVMExistsException;
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import org.alfresco.service.cmr.avm.AVMNodeDescriptor;
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import org.alfresco.service.cmr.avm.AVMNotFoundException;
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import org.alfresco.service.cmr.security.PermissionService;
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import org.alfresco.util.Pair;
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/**
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* A layered directory node. A layered directory node points at an underlying directory, which may or may not exist. The
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* visible contents of a layered directory node is the contents of the underlying node pointed at plus those nodes added
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* to or modified in the layered directory node minus those nodes which have been deleted in the layered directory node.
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*
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* @author britt
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*/
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class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirectoryNode
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{
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static final long serialVersionUID = 4623043057918181724L;
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/**
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* The layer id.
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*/
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private long fLayerID;
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/**
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* The pointer to the underlying directory.
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*/
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private String fIndirection;
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/**
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* Whether this is a primary indirection node.
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*/
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private boolean fPrimaryIndirection;
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/**
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* Whether this is opaque.
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*/
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private boolean fOpacity;
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/**
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* The indirection version.
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*/
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private int fIndirectionVersion;
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/**
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* Default constructor. Called by Hibernate.
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*/
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protected LayeredDirectoryNodeImpl()
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{
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}
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/**
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* Make a new one from a specified indirection path.
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*
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* @param indirection
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* The indirection path to set.
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* @param store
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* The store that owns this node.
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*/
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public LayeredDirectoryNodeImpl(String indirection, AVMStore store, AVMNode toCopy, Long parentAcl, ACLCopyMode mode)
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{
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super(store);
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fLayerID = -1;
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fIndirection = indirection;
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fIndirectionVersion = -1;
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fPrimaryIndirection = true;
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fOpacity = false;
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if (toCopy != null)
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{
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setVersionID(toCopy.getVersionID() + 1);
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}
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else
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{
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setVersionID(1);
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}
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AVMDAOs.Instance().fAVMNodeDAO.save(this);
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AVMDAOs.Instance().fAVMNodeDAO.flush();
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if (toCopy != null)
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{
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copyProperties(toCopy);
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copyACLs(toCopy, parentAcl, mode);
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copyAspects(toCopy);
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copyCreationAndOwnerBasicAttributes(toCopy);
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}
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else
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{
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if (indirection != null)
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{
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Lookup lookup = AVMRepository.GetInstance().lookupDirectory(-1, indirection);
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if (lookup != null)
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{
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DirectoryNode dir = (DirectoryNode) lookup.getCurrentNode();
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if (dir.getAcl() != null)
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{
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setAcl(DbAccessControlListImpl.createLayeredAcl(dir.getAcl().getId()));
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}
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else
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{
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// TODO: Will not pick up changes if we start with no permission on the target node - may need
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// to add
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setAcl(DbAccessControlListImpl.createLayeredAcl(null));
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}
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}
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else
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{
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setAcl(DbAccessControlListImpl.createLayeredAcl(null));
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}
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}
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else
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{
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setAcl(DbAccessControlListImpl.createLayeredAcl(null));
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}
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}
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}
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/**
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* Kind of copy constructor, sort of.
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*
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* @param other
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* The LayeredDirectoryNode we are copied from.
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* @param repos
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* The AVMStore object we use.
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*/
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public LayeredDirectoryNodeImpl(LayeredDirectoryNode other, AVMStore repos, Lookup lookup, boolean copyAll, Long parentAcl, ACLCopyMode mode)
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{
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super(repos);
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fIndirection = other.getIndirection();
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fPrimaryIndirection = other.getPrimaryIndirection();
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fIndirectionVersion = -1;
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fLayerID = -1;
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fOpacity = false;
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AVMDAOs.Instance().fAVMNodeDAO.save(this);
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Map<String, AVMNode> children = null;
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if (copyAll)
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{
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children = other.getListing(lookup, true);
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}
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else
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{
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children = other.getListingDirect(lookup, true);
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}
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for (Map.Entry<String, AVMNode> child : children.entrySet())
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{
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ChildKey key = new ChildKey(this, child.getKey());
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ChildEntry entry = new ChildEntryImpl(key, child.getValue());
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AVMDAOs.Instance().fChildEntryDAO.save(entry);
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}
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setVersionID(other.getVersionID() + 1);
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AVMDAOs.Instance().fAVMNodeDAO.flush();
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copyProperties(other);
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copyAspects(other);
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copyACLs(other, parentAcl, mode);
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copyCreationAndOwnerBasicAttributes(other);
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}
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/**
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* Construct one from a PlainDirectoryNode. Called when a COW is performed in a layered context.
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*
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* @param other
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* The PlainDirectoryNode.
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* @param store
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* The AVMStore we should belong to.
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* @param lPath
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* The Lookup object.
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*/
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public LayeredDirectoryNodeImpl(PlainDirectoryNode other, AVMStore store, Lookup lPath, boolean copyContents, Long parentAcl, ACLCopyMode mode)
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{
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super(store);
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fIndirection = null;
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fPrimaryIndirection = false;
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fIndirectionVersion = -1;
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fLayerID = -1;
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fOpacity = false;
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AVMDAOs.Instance().fAVMNodeDAO.save(this);
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if (copyContents)
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{
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for (ChildEntry child : AVMDAOs.Instance().fChildEntryDAO.getByParent(other, null))
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{
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ChildKey key = new ChildKey(this, child.getKey().getName());
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ChildEntryImpl newChild = new ChildEntryImpl(key, child.getChild());
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AVMDAOs.Instance().fChildEntryDAO.save(newChild);
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}
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}
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setVersionID(other.getVersionID() + 1);
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AVMDAOs.Instance().fAVMNodeDAO.flush();
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copyProperties(other);
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copyAspects(other);
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copyACLs(other, parentAcl, mode);
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copyCreationAndOwnerBasicAttributes(other);
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}
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/**
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* Create a new layered directory based on a directory we are being named from that is in not in the layer of the
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* source lookup.
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*
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* @param dir
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* The directory
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* @param store
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* The store
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* @param srcLookup
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* The source lookup.
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* @param name
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* The name of the target.
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*/
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public LayeredDirectoryNodeImpl(DirectoryNode dir, AVMStore store, Lookup srcLookup, String name, Long inheritedAcl, ACLCopyMode mode)
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{
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super(store);
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fIndirection = srcLookup.getIndirectionPath() + "/" + name;
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fPrimaryIndirection = true;
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fIndirectionVersion = -1;
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fLayerID = -1;
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fOpacity = false;
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setVersionID(dir.getVersionID() + 1);
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AVMDAOs.Instance().fAVMNodeDAO.save(this);
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Map<String, AVMNode> children = dir.getListing(srcLookup, true);
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for (Map.Entry<String, AVMNode> child : children.entrySet())
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{
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ChildKey key = new ChildKey(this, child.getKey());
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ChildEntry entry = new ChildEntryImpl(key, child.getValue());
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AVMDAOs.Instance().fChildEntryDAO.save(entry);
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}
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AVMDAOs.Instance().fAVMNodeDAO.flush();
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copyProperties(dir);
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copyAspects(dir);
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copyACLs(dir, inheritedAcl, mode);
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copyCreationAndOwnerBasicAttributes(dir);
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}
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/**
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* Is this a primary indirection node.
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*
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* @return Whether this is a primary indirection.
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*/
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public boolean getPrimaryIndirection()
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{
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return fPrimaryIndirection;
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}
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/**
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* Set the primary indirection state of this.
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*
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* @param has
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* Whether this is a primary indirection node.
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*/
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public void setPrimaryIndirection(boolean has)
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{
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fPrimaryIndirection = has;
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}
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/**
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* Get the indirection path.
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*
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* @return The indirection path.
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*/
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public String getIndirection()
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{
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return fIndirection;
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}
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/**
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* Get the underlying path in the Lookup's context.
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*
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* @param lPath
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* The Lookup.
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* @return The underlying path.
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*/
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public String getUnderlying(Lookup lPath)
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{
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if (fPrimaryIndirection)
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{
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return fIndirection;
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}
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return lPath.getCurrentIndirection();
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}
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/**
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* Get the underlying version in the lookup path context.
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*
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* @param lPath
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* The Lookup.
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* @return The effective underlying version.
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*/
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public int getUnderlyingVersion(Lookup lPath)
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{
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if (lPath.getVersion() == -1)
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{
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return -1;
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}
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if (fPrimaryIndirection)
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{
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return fIndirectionVersion;
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}
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return lPath.getCurrentIndirectionVersion();
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}
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/**
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* Get the layer id.
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*
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* @return The layer id.
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*/
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public long getLayerID()
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{
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return fLayerID;
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}
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/**
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* Set the layer id.
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*
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* @param id
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* The id to set.
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*/
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public void setLayerID(long id)
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{
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fLayerID = id;
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}
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/**
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* Copy on write logic.
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*
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* @param lPath
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* @return The copy or null.
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*/
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public AVMNode copy(Lookup lPath)
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{
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DirectoryNode dir = lPath.getCurrentNodeDirectory();
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Long parentAclId = null;
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if ((dir != null) && (dir.getAcl() != null))
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{
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parentAclId = dir.getAcl().getId();
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}
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// Capture the store.
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AVMStore store = lPath.getAVMStore();
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LayeredDirectoryNodeImpl newMe = null;
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if (!lPath.isInThisLayer())
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{
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// This means that this is being seen indirectly through the topmost
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// layer. The following creates a node that will inherit its
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// indirection from its parent.
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newMe = new LayeredDirectoryNodeImpl((String) null, store, this, parentAclId, ACLCopyMode.COW);
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newMe.setPrimaryIndirection(false);
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newMe.setLayerID(lPath.getTopLayer().getLayerID());
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}
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else
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{
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// A simple copy is made.
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newMe = new LayeredDirectoryNodeImpl(this, store, lPath, false, parentAclId, ACLCopyMode.COW);
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newMe.setLayerID(getLayerID());
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}
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newMe.setAncestor(this);
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return newMe;
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}
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/**
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* Insert a child node without COW.
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*
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* @param name
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* The name to give the child.
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*/
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public void putChild(String name, AVMNode node)
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{
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if (DEBUG)
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{
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checkReadOnly();
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}
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ChildKey key = new ChildKey(this, name);
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ChildEntry existing = AVMDAOs.Instance().fChildEntryDAO.get(key);
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if (existing != null)
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{
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AVMDAOs.Instance().fChildEntryDAO.delete(existing);
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}
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ChildEntry entry = new ChildEntryImpl(key, node);
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AVMDAOs.Instance().fAVMNodeDAO.flush();
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AVMDAOs.Instance().fChildEntryDAO.save(entry);
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AVMDAOs.Instance().fAVMNodeDAO.flush();
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}
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/**
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* Does this node directly contain the indicated node.
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*
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* @param node
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* The node we are checking.
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* @return Whether node is directly contained.
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*/
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public boolean directlyContains(AVMNode node)
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{
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return AVMDAOs.Instance().fChildEntryDAO.getByParentChild(this, node) != null;
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}
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/**
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* Get a listing of the virtual contents of this directory.
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*
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* @param lPath
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* The Lookup.
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* @return A Map from names to nodes. This is a sorted Map.
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*/
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public Map<String, AVMNode> getListing(Lookup lPath, boolean includeDeleted)
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{
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return getListing(lPath, null, includeDeleted);
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}
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/**
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* Get a listing of the virtual contents of this directory.
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*
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* @param lPath
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* The Lookup.
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* @return A Map from names to nodes. This is a sorted Map.
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*/
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public Map<String, AVMNode> getListing(Lookup lPath, String childNamePattern, boolean includeDeleted)
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{
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// Get the base listing from the thing we indirect to.
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Map<String, AVMNode> listing = new HashMap<String, AVMNode>();
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if (!fOpacity)
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{
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Lookup lookup = AVMRepository.GetInstance().lookupDirectory(getUnderlyingVersion(lPath), getUnderlying(lPath));
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if (lookup != null)
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{
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DirectoryNode dir = (DirectoryNode) lookup.getCurrentNode();
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Map<String, AVMNode> underListing = dir.getListing(lookup, childNamePattern, includeDeleted);
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for (Map.Entry<String, AVMNode> entry : underListing.entrySet())
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{
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if (entry.getValue().getType() == AVMNodeType.LAYERED_DIRECTORY ||
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entry.getValue().getType() == AVMNodeType.PLAIN_DIRECTORY)
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{
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if (!AVMRepository.GetInstance().can(lookup.getAVMStore(), entry.getValue(), PermissionService.READ_CHILDREN, false))
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{
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continue;
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}
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}
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listing.put(entry.getKey(), entry.getValue());
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}
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}
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}
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for (ChildEntry entry : AVMDAOs.Instance().fChildEntryDAO.getByParent(this, childNamePattern))
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{
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if (entry.getChild().getType() == AVMNodeType.LAYERED_DIRECTORY ||
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entry.getChild().getType() == AVMNodeType.PLAIN_DIRECTORY)
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{
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if (!AVMRepository.GetInstance().can(lPath.getAVMStore(), entry.getChild(), PermissionService.READ_CHILDREN, lPath.getDirectlyContained()))
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{
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continue;
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}
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}
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if (!includeDeleted && entry.getChild().getType() == AVMNodeType.DELETED_NODE)
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{
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listing.remove(entry.getKey().getName());
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}
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else
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{
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listing.put(entry.getKey().getName(), entry.getChild());
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}
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}
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return listing;
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}
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/**
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* Get a listing of the nodes directly contained by a directory.
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*
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* @param lPath
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* The Lookup to this directory.
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* @return A Map of names to nodes.
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*/
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public Map<String, AVMNode> getListingDirect(Lookup lPath, boolean includeDeleted)
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{
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Map<String, AVMNode> listing = new HashMap<String, AVMNode>();
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for (ChildEntry entry : AVMDAOs.Instance().fChildEntryDAO.getByParent(this, null))
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{
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if (entry.getChild().getType() == AVMNodeType.LAYERED_DIRECTORY ||
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entry.getChild().getType() == AVMNodeType.PLAIN_DIRECTORY)
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{
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if (!AVMRepository.GetInstance().can(lPath != null ? lPath.getAVMStore() : null,
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entry.getChild(), PermissionService.READ_CHILDREN,
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lPath != null ? lPath.getDirectlyContained() : false))
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{
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continue;
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}
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}
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if (includeDeleted || entry.getChild().getType() != AVMNodeType.DELETED_NODE)
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{
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listing.put(entry.getKey().getName(), entry.getChild());
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}
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}
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return listing;
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}
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|
|
/**
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* Get the direct contents of this directory.
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|
*
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* @param dir
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* The descriptor that describes us.
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|
* @param includeDeleted
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* Whether to inlude deleted nodes.
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|
* @return A Map of Strings to descriptors.
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|
*/
|
|
public SortedMap<String, AVMNodeDescriptor> getListingDirect(AVMNodeDescriptor dir, boolean includeDeleted)
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|
{
|
|
List<ChildEntry> children = AVMDAOs.Instance().fChildEntryDAO.getByParent(this, null);
|
|
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, false))
|
|
{
|
|
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)
|
|
{
|
|
return getListing(dir, null, includeDeleted);
|
|
}
|
|
|
|
/**
|
|
* Get a listing from a directory node descriptor.
|
|
*
|
|
* @param dir
|
|
* The directory node descriptor.
|
|
* @param childNamePattern
|
|
* Pattern to match for child names - may be null
|
|
* @param includeDeleted
|
|
* Should DeletedNodes be shown.
|
|
* @return A Map of names to node descriptors.
|
|
*/
|
|
public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir, String childNamePattern, 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, childNamePattern, 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, false))
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
baseListing.put(entry.getKey(),
|
|
entry.getValue().getDescriptor(dir.getPath(), entry.getKey(),
|
|
lookup.getCurrentIndirection(),
|
|
lookup.getCurrentIndirectionVersion()));
|
|
}
|
|
}
|
|
}
|
|
List<ChildEntry> children = AVMDAOs.Instance().fChildEntryDAO.getByParent(this, childNamePattern);
|
|
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, false))
|
|
{
|
|
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, null);
|
|
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.
|
|
*/
|
|
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.
|
|
*/
|
|
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(), child.getAcl());
|
|
AVMDAOs.Instance().fAVMNodeDAO.save(ghost);
|
|
AVMDAOs.Instance().fAVMNodeDAO.flush();
|
|
ghost.setAncestor(child);
|
|
ghost.setDeletedType(child.getType());
|
|
ghost.copyCreationAndOwnerBasicAttributes(child);
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void setAclAndInherit(LayeredDirectoryNode 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 LayeredDirectoryNode)
|
|
{
|
|
LayeredDirectoryNode childNode = (LayeredDirectoryNode) 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 PlainFileNode)
|
|
{
|
|
PlainFileNode childNode = (PlainFileNode) 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;
|
|
}
|
|
|
|
}
|