/*
 * 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.jcr.dictionary;

import javax.jcr.Value;
import javax.jcr.nodetype.NodeType;
import javax.jcr.nodetype.PropertyDefinition;
import javax.jcr.version.OnParentVersionAction;

import org.alfresco.jcr.item.ValueImpl;
import org.alfresco.jcr.item.property.JCRMixinTypesProperty;
import org.alfresco.jcr.item.property.JCRPrimaryTypeProperty;
import org.alfresco.model.ContentModel;
import org.alfresco.service.cmr.dictionary.ClassDefinition;
import org.alfresco.service.cmr.dictionary.DataTypeDefinition;

/**
 * Alfresco implementation of a JCR Property Definition
 * 
 * @author David Caruana
 */
public class PropertyDefinitionImpl implements PropertyDefinition
{
    /** Session */
    private NodeTypeManagerImpl typeManager;
    
    /** Alfresco Property Definition */
    private org.alfresco.service.cmr.dictionary.PropertyDefinition propDef;
    
    
    /**
     * Construct
     * 
     * @param propDef  Alfresco Property Definition
     */
    public PropertyDefinitionImpl(NodeTypeManagerImpl typeManager, org.alfresco.service.cmr.dictionary.PropertyDefinition propDef)
    {
        this.typeManager = typeManager;
        this.propDef = propDef;
    }

    /* (non-Javadoc)
     * @see javax.jcr.nodetype.PropertyDefinition#getRequiredType()
     */
    public int getRequiredType()
    {
        // TODO: Switch on data type
        if (propDef.getName().equals(ContentModel.PROP_CONTENT))
        {
            return DataTypeMap.convertDataTypeToPropertyType(DataTypeDefinition.CONTENT);
        }
        return DataTypeMap.convertDataTypeToPropertyType(propDef.getDataType().getName());
    }
    
    /* (non-Javadoc)
     * @see javax.jcr.nodetype.PropertyDefinition#getValueConstraints()
     */
    public String[] getValueConstraints()
    {
        return new String[] {};
    }

    /* (non-Javadoc)
     * @see javax.jcr.nodetype.PropertyDefinition#getDefaultValues()
     */
    public Value[] getDefaultValues()
    {
        String defaultValue = propDef.getDefaultValue();
        if (defaultValue == null)
        {
            return null;
        }
        return new Value[] { new ValueImpl(typeManager.getSession(), getRequiredType(), defaultValue) };
    }

    /* (non-Javadoc)
     * @see javax.jcr.nodetype.PropertyDefinition#isMultiple()
     */
    public boolean isMultiple()
    {
        return propDef.isMultiValued();
    }

    /* (non-Javadoc)
     * @see javax.jcr.nodetype.ItemDefinition#getDeclaringNodeType()
     */
    public NodeType getDeclaringNodeType()
    {
        ClassDefinition declaringClass = propDef.getContainerClass();
        return typeManager.getNodeTypeImpl(declaringClass.getName());
    }

    /* (non-Javadoc)
     * @see javax.jcr.nodetype.ItemDefinition#getName()
     */
    public String getName()
    {
        return propDef.getName().toPrefixString(typeManager.getNamespaceService());
    }
    
    /* (non-Javadoc)
     * @see javax.jcr.nodetype.ItemDefinition#isAutoCreated()
     */
    public boolean isAutoCreated()
    {
        return isMandatory();
    }

    /* (non-Javadoc)
     * @see javax.jcr.nodetype.ItemDefinition#isMandatory()
     */
    public boolean isMandatory()
    {
        return propDef.isMandatory();
    }

    /* (non-Javadoc)
     * @see javax.jcr.nodetype.ItemDefinition#getOnParentVersion()
     */
    public int getOnParentVersion()
    {
        // TODO: There's no equivalent in Alfresco, so hard code for now
        if (propDef.getName().equals(JCRPrimaryTypeProperty.PROPERTY_NAME) ||
            propDef.getName().equals(JCRMixinTypesProperty.PROPERTY_NAME))
        {    
            return OnParentVersionAction.COMPUTE;
        }
        
        // TODO: Check this
        return OnParentVersionAction.INITIALIZE;
    }

    /* (non-Javadoc)
     * @see javax.jcr.nodetype.ItemDefinition#isProtected()
     */
    public boolean isProtected()
    {
        return propDef.isProtected();
    }

}