alfresco-community-repo/source/java/org/alfresco/opencmis/mapping/AbstractProperty.java

package org.alfresco.opencmis.mapping;

import java.io.Serializable;

import org.alfresco.model.ContentModel;
import org.alfresco.opencmis.CMISConnector;
import org.alfresco.opencmis.dictionary.CMISNodeInfo;
import org.alfresco.opencmis.dictionary.CMISPropertyAccessor;
import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.repository.AssociationRef;
import org.alfresco.service.cmr.repository.ContentData;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
import org.alfresco.service.namespace.QName;

/**
 * Base class for all property accessors
 * 
 * @author andyh
 * 
 */
public abstract class AbstractProperty implements CMISPropertyAccessor
{
    public static final String CONTENT_PROPERTY = "::content";

    private ServiceRegistry serviceRegistry;
    protected CMISConnector connector;
    private String propertyName;

    /**
     * Construct
     * 
     * @param serviceRegistry ServiceRegistry
     * @param connector CMISConnector
     * @param propertyName String
     */
    protected AbstractProperty(ServiceRegistry serviceRegistry, CMISConnector connector, String propertyName)
    {
        this.serviceRegistry = serviceRegistry;
        this.connector = connector;
        this.propertyName = propertyName;
    }

    protected String getGuid(String nodeId)
    {
    	int idx = nodeId.lastIndexOf("/");
    	if(idx != -1)
    	{
    		return nodeId.substring(idx+1);
    	}
    	else
    	{
    		return nodeId;
    	}
    }

    /**
     * @return service registry
     */
    protected ServiceRegistry getServiceRegistry()
    {
        return serviceRegistry;
    }

    public String getName()
    {
        return propertyName;
    }

    public QName getMappedProperty()
    {
        return null;
    }

    @Override
    public void setValue(NodeRef nodeRef, Serializable value)
    {
        throw new UnsupportedOperationException();
    }

    public Serializable getValue(NodeRef nodeRef)
    {
        return getValue(createNodeInfo(nodeRef));
    }

    public Serializable getValue(AssociationRef assocRef)
    {
        return getValue(createNodeInfo(assocRef));
    }

    public Serializable getValue(CMISNodeInfo nodeInfo)
    {
        if (nodeInfo.containsPropertyValue(propertyName))
        {
            Serializable value = nodeInfo.getPropertyValue(propertyName);
            return value;
        } else
        {
            Serializable value = getValueInternal(nodeInfo);
            nodeInfo.putPropertyValue(propertyName, value);
            return value;
        }
    }

    protected abstract Serializable getValueInternal(CMISNodeInfo nodeInfo);

    public CMISNodeInfo createNodeInfo(NodeRef nodeRef)
    {
        return connector.createNodeInfo(nodeRef);
    }

    public CMISNodeInfo createNodeInfo(AssociationRef assocRef)
    {
        return connector.createNodeInfo(assocRef);
    }

    protected ContentData getContentData(CMISNodeInfo nodeInfo)
    {
        if (!nodeInfo.isDocument())
        {
            return null;
        }

        if (nodeInfo.containsPropertyValue(CONTENT_PROPERTY))
        {
            return (ContentData) nodeInfo.getPropertyValue(CONTENT_PROPERTY);
        } else
        {
            ContentData contentData = null;

            Serializable value = nodeInfo.getNodeProps().get(ContentModel.PROP_CONTENT);

            if (value != null)
            {
                contentData = DefaultTypeConverter.INSTANCE.convert(ContentData.class, value);
            }

            nodeInfo.putPropertyValue(CONTENT_PROPERTY, contentData);
            return contentData;
        }
    }
}