Derek Hulley ceed05d26f Merged V2.2 to HEAD
8371: Merged V2.1 to V2.2
      8307: Next round of fixes for session management.
      8309: Fixed AR-1891: Long MLText strings fail in Oracle
      8313: Fix for case where existing MLText entry is null
      8319: Follow-up fix for NPE where StringValue is null when persisting
      8331: Fix for AR-1696: Long text in an aspect property causes an exception


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@8496 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2008-03-11 06:03:17 +00:00

678 lines
22 KiB
Java

/*
* 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.attributes;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.alfresco.repo.attributes.Attribute.Type;
import org.alfresco.service.cmr.attributes.AttrQuery;
import org.alfresco.service.cmr.attributes.AttributeService;
import org.alfresco.service.cmr.avm.AVMBadArgumentException;
import org.alfresco.service.cmr.avm.AVMNotFoundException;
import org.alfresco.service.cmr.avm.AVMWrongTypeException;
import org.alfresco.util.Pair;
/**
* Implementation of the AttributeService interface.
* @author britt
*/
public class AttributeServiceImpl implements AttributeService
{
private GlobalAttributeEntryDAO fGlobalAttributeEntryDAO;
private AttributeDAO fAttributeDAO;
private AttributeConverter fAttributeConverter;
public AttributeServiceImpl()
{
}
public void setGlobalAttributeEntryDao(GlobalAttributeEntryDAO dao)
{
fGlobalAttributeEntryDAO = dao;
}
public void setAttributeDao(AttributeDAO dao)
{
fAttributeDAO = dao;
}
public void setAttributeConverter(AttributeConverter converter)
{
fAttributeConverter = converter;
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#getAttribute(java.lang.String)
*/
public Attribute getAttribute(String path)
{
if (path == null)
{
throw new AVMBadArgumentException("Null path.");
}
List<String> keys = parsePath(path);
return getAttribute(keys);
}
/**
* Utility to parse paths. Paths are of the form '/name/name'. '\' can
* be used to escape '/'s.
* @param path The path to parse.
* @return The components of the path.
*/
private List<String> parsePath(String path)
{
List<String> components = new ArrayList<String>();
int off = 0;
while (off < path.length())
{
while (off < path.length() && path.charAt(off) == '/')
{
off++;
}
StringBuilder builder = new StringBuilder();
while (off < path.length())
{
char c = path.charAt(off);
if (c == '/')
{
break;
}
if (c == '\\')
{
off++;
if (off >= path.length())
{
break;
}
c = path.charAt(off);
}
builder.append(c);
off++;
}
components.add(builder.toString());
}
return components;
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#query(java.lang.String, org.alfresco.service.cmr.attributes.AttrQuery)
*/
public List<Pair<String, Attribute>> query(String path, AttrQuery query)
{
if (path == null)
{
throw new AVMBadArgumentException("Null Attribute Path.");
}
List<String> keys = parsePath(path);
return query(keys, query);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#removeAttribute(java.lang.String)
*/
public void removeAttribute(String path, String name)
{
if (path == null)
{
throw new AVMBadArgumentException("Null Attribute Path.");
}
List<String> keys = parsePath(path);
removeAttribute(keys, name);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#setAttribute(java.lang.String, org.alfresco.repo.attributes.Attribute)
*/
public void setAttribute(String path, String name, Attribute value)
{
if (path == null)
{
throw new AVMBadArgumentException("Null path.");
}
List<String> keys = parsePath(path);
setAttribute(keys, name, value);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#getKeys(java.lang.String)
*/
public List<String> getKeys(String path)
{
if (path == null)
{
throw new AVMBadArgumentException("Null Attribute Path.");
}
List<String> keys = parsePath(path);
return getKeys(keys);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#getAttribute(java.util.List)
*/
public Attribute getAttribute(List<String> keys)
{
if (keys == null)
{
throw new AVMBadArgumentException("Null Attribute Path List.");
}
if (keys.size() < 1)
{
throw new AVMBadArgumentException("Bad Attribute Path List.");
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
return null;
}
Attribute converted = fAttributeConverter.toValue(found);
return converted;
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#getKeys(java.util.List)
*/
public List<String> getKeys(List<String> keys)
{
if (keys == null)
{
throw new AVMBadArgumentException("Null Keys List.");
}
if (keys.size() == 0)
{
return fGlobalAttributeEntryDAO.getKeys();
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
throw new AVMNotFoundException("Attribute Not Found: " + keys);
}
if (found.getType() != Type.MAP)
{
throw new AVMWrongTypeException("Not a Map: " + keys.get(keys.size() - 1));
}
return new ArrayList<String>(found.keySet());
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#setAttribute(java.util.List, java.lang.String, org.alfresco.repo.attributes.Attribute)
*/
public void setAttribute(List<String> keys, String name, Attribute value)
{
if (keys == null || name == null || value == null)
{
throw new AVMBadArgumentException("Null argument.");
}
if (keys.size() == 0)
{
Attribute toSave = fAttributeConverter.toPersistent(value);
GlobalAttributeEntry found = fGlobalAttributeEntryDAO.get(name);
if (found == null)
{
found = new GlobalAttributeEntryImpl(name, toSave);
fGlobalAttributeEntryDAO.save(found);
return;
}
found.setAttribute(toSave);
return;
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
throw new AVMNotFoundException("Attribute Not Found: " + keys);
}
if (found.getType() != Type.MAP)
{
throw new AVMWrongTypeException("Not a Map: " + keys);
}
Attribute converted = fAttributeConverter.toPersistent(value);
found.put(name, converted);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#query(java.util.List, org.alfresco.service.cmr.attributes.AttrQuery)
*/
public List<Pair<String, Attribute>> query(List<String> keys, AttrQuery query)
{
if (keys == null || query == null)
{
throw new AVMBadArgumentException("Null argument.");
}
if (keys.size() == 0)
{
throw new AVMBadArgumentException("Cannot query top level Attributes.");
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
throw new AVMNotFoundException("Attribute Not Found: " + keys);
}
if (found.getType() != Type.MAP)
{
throw new AVMWrongTypeException("Not a Map: " + keys);
}
List<Pair<String, Attribute>> rawResult =
fAttributeDAO.find((MapAttribute)found, query);
List<Pair<String, Attribute>> result =
new ArrayList<Pair<String, Attribute>>();
for (Pair<String, Attribute> raw : rawResult)
{
result.add(new Pair<String, Attribute>(raw.getFirst(),
fAttributeConverter.toValue(raw.getSecond())));
}
return result;
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#removeAttribute(java.util.List, java.lang.String)
*/
public void removeAttribute(List<String> keys, String name)
{
if (keys == null || name == null)
{
throw new AVMBadArgumentException("Null argument.");
}
if (keys.size() == 0)
{
fGlobalAttributeEntryDAO.delete(name);
return;
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
throw new AVMNotFoundException("Attribute Not Found: " + keys);
}
if (found.getType() != Type.MAP)
{
throw new AVMWrongTypeException("Attribute Not Map: " + keys);
}
found.remove(name);
fAttributeDAO.flush();
fAttributeDAO.evictFlat(found);
}
private Attribute getAttributeFromPath(List<String> keys)
{
GlobalAttributeEntry entry = fGlobalAttributeEntryDAO.get(keys.get(0));
if (entry == null)
{
return null;
}
Attribute current = entry.getAttribute();
for (int i = 1; i < keys.size(); i++)
{
if (current.getType() == Type.MAP)
{
Attribute newCurrent = current.get(keys.get(i));
fAttributeDAO.evictFlat(current);
current = newCurrent;
}
else if (current.getType() == Type.LIST)
{
Attribute newCurrent = current.get(Integer.parseInt(keys.get(i)));
fAttributeDAO.evictFlat(current);
current = newCurrent;
}
else
{
throw new AVMWrongTypeException("Not a Map or List: " + keys.get(i - 1));
}
if (current == null)
{
return null;
}
}
return current;
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#addAttribute(java.util.List, org.alfresco.repo.attributes.Attribute)
*/
public void addAttribute(List<String> keys, Attribute value)
{
if (keys == null || value == null)
{
throw new AVMBadArgumentException("Illegal Null Argument.");
}
if (keys.size() < 1)
{
throw new AVMBadArgumentException("Path too short: " + keys);
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
throw new AVMNotFoundException("Attribute Not Found: " + keys);
}
if (found.getType() != Type.LIST)
{
throw new AVMWrongTypeException("Attribute Not List: " + keys);
}
found.add(fAttributeConverter.toPersistent(value));
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#addAttribute(java.lang.String, org.alfresco.repo.attributes.Attribute)
*/
public void addAttribute(String path, Attribute value)
{
if (path == null || value == null)
{
throw new AVMBadArgumentException("Illegal null arguments.");
}
List<String> keys = parsePath(path);
addAttribute(keys, value);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#removeAttribute(java.util.List, int)
*/
public void removeAttribute(List<String> keys, int index)
{
if (keys == null)
{
throw new AVMBadArgumentException("Illegal Null Keys.");
}
if (keys.size() < 1)
{
throw new AVMBadArgumentException("Keys too short: " + keys);
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
throw new AVMNotFoundException("Attribute Not Found: " + keys);
}
if (found.getType() != Type.LIST)
{
throw new AVMWrongTypeException("Attribute Not List: " + keys);
}
found.remove(index);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#removeAttribute(java.lang.String, int)
*/
public void removeAttribute(String path, int index)
{
if (path == null)
{
throw new AVMBadArgumentException("Illegal null path.");
}
List<String> keys = parsePath(path);
removeAttribute(keys, index);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#removeEntries(java.util.List, org.alfresco.service.cmr.attributes.AttrQuery)
*/
public void removeEntries(List<String> keys, AttrQuery query)
{
if (keys == null || query == null)
{
throw new AVMBadArgumentException("Illegal null argument.");
}
if (keys.size() == 0)
{
throw new AVMBadArgumentException("Illegal zero length key path.");
}
Attribute map = getAttributeFromPath(keys);
if (map == null)
{
throw new AVMNotFoundException("Could not find attribute: " + keys);
}
if (map.getType() != Attribute.Type.MAP)
{
throw new AVMWrongTypeException("Not a map: " + keys);
}
fAttributeDAO.delete((MapAttribute)map, query);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#removeEntries(java.lang.String, org.alfresco.service.cmr.attributes.AttrQuery)
*/
public void removeEntries(String path, AttrQuery query)
{
if (path == null || query == null)
{
throw new AVMBadArgumentException("Illegal null argument.");
}
List<String> keys = parsePath(path);
removeEntries(keys, query);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#setAttribute(java.util.List, int, org.alfresco.repo.attributes.Attribute)
*/
public void setAttribute(List<String> keys, int index, Attribute value)
{
if (keys == null || value == null)
{
throw new AVMBadArgumentException("Illegal Null Argument.");
}
if (keys.size() < 1)
{
throw new AVMBadArgumentException("Keys too short.");
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
throw new AVMNotFoundException("Attribute Not Found: " + keys);
}
if (found.getType() != Type.LIST)
{
throw new AVMWrongTypeException("Attribute Not List: " + keys);
}
Attribute converted = fAttributeConverter.toPersistent(value);
found.set(index, converted);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#setAttribute(java.lang.String, int, org.alfresco.repo.attributes.Attribute)
*/
public void setAttribute(String path, int index, Attribute value)
{
if (path == null || value == null)
{
throw new AVMBadArgumentException("Illegal null argument.");
}
List<String> keys = parsePath(path);
setAttribute(keys, index, value);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#exists(java.util.List)
*/
public boolean exists(List<String> keys)
{
if (keys == null)
{
throw new AVMBadArgumentException("Null keys list.");
}
if (keys.size() == 0)
{
throw new AVMBadArgumentException("Illegal zero length keys list.");
}
Attribute attr = getAttributeFromPath(keys);
if (attr != null)
{
fAttributeDAO.evictFlat(attr);
return true;
}
return false;
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#exists(java.lang.String)
*/
public boolean exists(String path)
{
if (path == null)
{
throw new AVMBadArgumentException("Null attribute path.");
}
List<String> keys = parsePath(path);
return exists(keys);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#getCount(java.util.List)
*/
public int getCount(List<String> keys)
{
if (keys == null)
{
throw new AVMBadArgumentException("Null keys list.");
}
if (keys.size() == 0)
{
throw new AVMBadArgumentException("Illegal empty keys list.");
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
throw new AVMNotFoundException("Attribute not found: " + keys);
}
if (found.getType() != Attribute.Type.LIST &&
found.getType() != Attribute.Type.MAP)
{
throw new AVMWrongTypeException("Not a map or list: " + keys);
}
return found.size();
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#getCount(java.lang.String)
*/
public int getCount(String path)
{
if (path == null)
{
throw new AVMBadArgumentException("Null attribute path.");
}
List<String> keys = parsePath(path);
return getCount(keys);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#addAttributes(java.util.List, java.util.List)
*/
public void addAttributes(List<String> keys, List<Attribute> values)
{
if (keys == null || values == null)
{
throw new AVMBadArgumentException("Illegal null argument.");
}
if (keys.size() == 0)
{
throw new AVMBadArgumentException("Zero length keys.");
}
Attribute list = getAttributeFromPath(keys);
if (list.getType() != Attribute.Type.LIST)
{
throw new AVMWrongTypeException("Attribute not list: " + list.getType());
}
for (Attribute value : values)
{
Attribute persistent = fAttributeConverter.toPersistent(value);
list.add(persistent);
}
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#addAttributes(java.lang.String, java.util.List)
*/
public void addAttributes(String path, List<Attribute> values)
{
if (path == null || values == null)
{
throw new AVMBadArgumentException("Illegal null argument.");
}
List<String> keys = parsePath(path);
addAttributes(keys, values);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#setAttributes(java.util.List, java.util.Map)
*/
public void setAttributes(List<String> keys, Map<String, Attribute> entries)
{
if (keys == null || entries == null)
{
throw new AVMBadArgumentException("Null argument.");
}
if (keys.size() == 0)
{
for (Map.Entry<String, Attribute> entry : entries.entrySet())
{
String name = entry.getKey();
Attribute value = entry.getValue();
Attribute toSave = fAttributeConverter.toPersistent(value);
GlobalAttributeEntry found = fGlobalAttributeEntryDAO.get(name);
if (found == null)
{
found = new GlobalAttributeEntryImpl(name, toSave);
fGlobalAttributeEntryDAO.save(found);
return;
}
found.setAttribute(toSave);
}
return;
}
Attribute found = getAttributeFromPath(keys);
if (found == null)
{
throw new AVMNotFoundException("Attribute Not Found: " + keys);
}
if (found.getType() != Type.MAP)
{
throw new AVMWrongTypeException("Not a Map: " + keys);
}
for (Map.Entry<String, Attribute> entry : entries.entrySet())
{
String name = entry.getKey();
Attribute value = entry.getValue();
found.put(name, fAttributeConverter.toPersistent(value));
}
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttributeService#setAttributes(java.lang.String, java.util.Map)
*/
public void setAttributes(String path, Map<String, Attribute> entries)
{
if (path == null || entries == null)
{
throw new AVMBadArgumentException("Illegal null argument.");
}
List<String> keys = parsePath(path);
setAttributes(keys, entries);
}
}