/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.impl.ext.action;
import org.exoplatform.container.ExoContainer;
import org.exoplatform.services.command.action.Action;
import org.exoplatform.services.command.action.ActionCatalog;
import org.exoplatform.services.command.action.Condition;
import org.exoplatform.services.ext.action.InvocationContext;
import org.exoplatform.services.jcr.dataflow.ItemState;
import org.exoplatform.services.jcr.datamodel.InternalQName;
import org.exoplatform.services.jcr.datamodel.NodeData;
import org.exoplatform.services.jcr.impl.core.ItemImpl;
import org.exoplatform.services.jcr.impl.core.NodeImpl;
import org.exoplatform.services.jcr.impl.core.PropertyImpl;
import org.exoplatform.services.jcr.observation.ExtendedEvent;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.util.Iterator;
import java.util.Set;
import javax.jcr.RepositoryException;
/**
* Created by The eXo Platform SAS.
*
* @author Gennady Azarenkov
* @version $Id: SessionActionInterceptor.java 11908 2008-03-13 16:00:12Z ksm $
*/
public class SessionActionInterceptor
{
/**
* Logger
*/
private static final Log LOG = ExoLogger.getLogger("exo.jcr.component.core.SessionActionInterceptor");
private final ActionCatalog catalog;
private final ExoContainer container;
private final String workspaceName;
/**
* SessionActionInterceptor is per session, and only one action per session/time can be active.
*/
private ItemImpl activeItem = null;
public SessionActionInterceptor(ActionCatalog catalog, ExoContainer container, String workspaceName)
{
this.catalog = catalog;
this.container = container;
this.workspaceName = workspaceName;
}
/**
* Gather information about add mixin action
*
* @param node
* @param mixinType
* @throws RepositoryException
*/
public void postAddMixin(NodeImpl node, InternalQName mixinType) throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = node;
}
else
{
return;
}
try
{
Condition conditions = new Condition();
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, ExtendedEvent.ADD_MIXIN);
conditions.put(SessionEventMatcher.PATH_KEY, node.getInternalPath());
conditions.put(SessionEventMatcher.NODETYPES_KEY, new InternalQName[]{mixinType});
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, node);
ctx.put(InvocationContext.EVENT, ExtendedEvent.ADD_MIXIN);
ctx.put(InvocationContext.EXO_CONTAINER, container);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
public void postAddNode(NodeImpl node) throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = node;
}
else
{
return;
}
try
{
Condition conditions = new Condition();
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, ExtendedEvent.NODE_ADDED);
conditions.put(SessionEventMatcher.PATH_KEY, node.getInternalPath());
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames((NodeData)node.getData()));
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, node);
ctx.put(InvocationContext.EXO_CONTAINER, container);
ctx.put(InvocationContext.EVENT, ExtendedEvent.NODE_ADDED);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
public void postCheckin(NodeImpl node) throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = node;
}
else
{
return;
}
try
{
Condition conditions = new Condition();
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, ExtendedEvent.CHECKIN);
conditions.put(SessionEventMatcher.PATH_KEY, node.getInternalPath());
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames((NodeData)node.getData()));
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, node);
ctx.put(InvocationContext.EVENT, ExtendedEvent.CHECKIN);
ctx.put(InvocationContext.EXO_CONTAINER, container);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
public void postCheckout(NodeImpl node) throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = node;
}
else
{
return;
}
try
{
Condition conditions = new Condition();
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, ExtendedEvent.CHECKOUT);
conditions.put(SessionEventMatcher.PATH_KEY, node.getInternalPath());
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames((NodeData)node.getData()));
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, node);
ctx.put(InvocationContext.EVENT, ExtendedEvent.CHECKOUT);
ctx.put(InvocationContext.EXO_CONTAINER, container);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
public void postLock(NodeImpl node) throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = node;
}
else
{
return;
}
try
{
Condition conditions = new Condition();
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, ExtendedEvent.LOCK);
conditions.put(SessionEventMatcher.PATH_KEY, node.getInternalPath());
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames((NodeData)node.getData()));
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, node);
ctx.put(InvocationContext.EVENT, ExtendedEvent.LOCK);
ctx.put(InvocationContext.EXO_CONTAINER, container);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
public void postRead(ItemImpl item) throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = item;
}
else
{
return;
}
try
{
Condition conditions = new Condition();
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, ExtendedEvent.READ);
conditions.put(SessionEventMatcher.PATH_KEY, item.getInternalPath());
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
if (item.isNode())
{
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames((NodeData)item.getData()));
}
else
{
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames(item.parentData()));
}
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, item);
ctx.put(InvocationContext.EVENT, ExtendedEvent.READ);
ctx.put(InvocationContext.EXO_CONTAINER, container);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
public void postSetProperty(PropertyImpl previousProperty, PropertyImpl currentProperty, NodeData parent, int state)
throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = currentProperty;
}
else
{
return;
}
try
{
int event = -1;
switch (state)
{
case ItemState.ADDED :
event = ExtendedEvent.PROPERTY_ADDED;
break;
case ItemState.UPDATED :
event = ExtendedEvent.PROPERTY_CHANGED;
break;
case ItemState.DELETED :
event = ExtendedEvent.PROPERTY_REMOVED;
break;
default :
return;
}
Condition conditions = new Condition();
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, event);
conditions.put(SessionEventMatcher.PATH_KEY, currentProperty.getInternalPath());
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames(parent));
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, currentProperty);
ctx.put(InvocationContext.PREVIOUS_ITEM, previousProperty);
ctx.put(InvocationContext.EXO_CONTAINER, container);
ctx.put(InvocationContext.EVENT, event);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
public void postUnlock(NodeImpl node) throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = node;
}
else
{
return;
}
try
{
Condition conditions = new Condition();
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, ExtendedEvent.UNLOCK);
conditions.put(SessionEventMatcher.PATH_KEY, node.getInternalPath());
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames((NodeData)node.getData()));
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, node);
ctx.put(InvocationContext.EVENT, ExtendedEvent.UNLOCK);
ctx.put(InvocationContext.EXO_CONTAINER, container);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
public void preRemoveItem(ItemImpl item) throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = item;
}
else
{
return;
}
try
{
Condition conditions = new Condition();
int event = item.isNode() ? ExtendedEvent.NODE_REMOVED : ExtendedEvent.PROPERTY_REMOVED;
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, event);
conditions.put(SessionEventMatcher.PATH_KEY, item.getInternalPath());
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
if (item.isNode())
{
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames((NodeData)item.getData()));
}
else
{
conditions.put(SessionEventMatcher.NODETYPES_KEY, readNodeTypeNames(item.parentData()));
}
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, item);
ctx.put(InvocationContext.EXO_CONTAINER, container);
ctx.put(InvocationContext.EVENT, event);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
public void preRemoveMixin(NodeImpl node, InternalQName mixinType) throws RepositoryException
{
if (catalog == null)
{
return;
}
if (activeItem == null)
{
activeItem = node;
}
else
{
return;
}
try
{
Condition conditions = new Condition();
conditions.put(SessionEventMatcher.EVENTTYPE_KEY, ExtendedEvent.REMOVE_MIXIN);
conditions.put(SessionEventMatcher.PATH_KEY, node.getInternalPath());
conditions.put(SessionEventMatcher.NODETYPES_KEY, new InternalQName[]{mixinType});
conditions.put(SessionEventMatcher.WORKSPACE_KEY, workspaceName);
InvocationContext ctx = new InvocationContext();
ctx.put(InvocationContext.CURRENT_ITEM, node);
ctx.put(InvocationContext.EVENT, ExtendedEvent.REMOVE_MIXIN);
ctx.put(InvocationContext.EXO_CONTAINER, container);
launch(conditions, ctx);
}
finally
{
activeItem = null;
}
}
private InternalQName[] readNodeTypeNames(NodeData node)
{
InternalQName primaryTypeName = node.getPrimaryTypeName();
InternalQName[] mixinNames = node.getMixinTypeNames();
InternalQName[] nodeTypeNames = new InternalQName[mixinNames.length + 1];
nodeTypeNames[0] = primaryTypeName;
System.arraycopy(mixinNames, 0, nodeTypeNames, 1, mixinNames.length);
return nodeTypeNames;
}
protected final void launch(Condition conditions, InvocationContext context)
{
Set<Action> cond = catalog.getActions(conditions);
if (cond != null)
{
Iterator<Action> i = cond.iterator();
while (i.hasNext())
{
try
{
i.next().execute(context);
}
catch (Exception e)
{
LOG.error(e.getLocalizedMessage(), e);
}
}
}
}
}