package org.alfresco.repo.action.executer; import java.io.Serializable; import java.util.List; import java.util.Map; import org.alfresco.model.ContentModel; import org.alfresco.repo.action.executer.ActionExecuterAbstractBase; import org.alfresco.repo.content.metadata.MetadataEmbedder; import org.alfresco.repo.content.metadata.MetadataExtracterRegistry; import org.alfresco.service.cmr.action.Action; import org.alfresco.service.cmr.action.ParameterDefinition; import org.alfresco.service.cmr.repository.ContentReader; import org.alfresco.service.cmr.repository.ContentService; import org.alfresco.service.cmr.repository.ContentWriter; import org.alfresco.service.cmr.repository.NodeRef; import org.alfresco.service.cmr.repository.NodeService; import org.alfresco.service.namespace.QName; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * Embed metadata in any content. *
* The metadata is embedded in the content from the current
* property values.
*
* @author Jesper Steen Møller, Ray Gauss II
*/
public class ContentMetadataEmbedder extends ActionExecuterAbstractBase
{
private static Log logger = LogFactory.getLog(ContentMetadataEmbedder.class);
public static final String EXECUTOR_NAME = "embed-metadata";
private NodeService nodeService;
private ContentService contentService;
private MetadataExtracterRegistry metadataExtracterRegistry;
/**
* @param nodeService the node service
*/
public void setNodeService(NodeService nodeService)
{
this.nodeService = nodeService;
}
/**
* @param contentService The contentService to set.
*/
public void setContentService(ContentService contentService)
{
this.contentService = contentService;
}
/**
* @param metadataExtracterRegistry The metadataExtracterRegistry to set.
*/
public void setMetadataExtracterRegistry(MetadataExtracterRegistry metadataExtracterRegistry)
{
this.metadataExtracterRegistry = metadataExtracterRegistry;
}
/**
* @see org.alfresco.repo.action.executer.ActionExecuter#execute(Action, NodeRef)
*/
public void executeImpl(Action ruleAction, NodeRef actionedUponNodeRef)
{
if (!nodeService.exists(actionedUponNodeRef))
{
// Node is gone
return;
}
ContentReader reader = contentService.getReader(actionedUponNodeRef, ContentModel.PROP_CONTENT);
// The reader may be null, e.g. for folders and the like
if (reader == null || reader.getMimetype() == null)
{
if(logger.isDebugEnabled())
{
logger.debug("no content or mimetype - do nothing");
}
// No content to extract data from
return;
}
String mimetype = reader.getMimetype();
MetadataEmbedder embedder = metadataExtracterRegistry.getEmbedder(mimetype);
if (embedder == null)
{
if(logger.isDebugEnabled())
{
logger.debug("no embedder for mimetype:" + mimetype);
}
// There is no embedder to use
return;
}
ContentWriter writer = contentService.getWriter(actionedUponNodeRef, ContentModel.PROP_CONTENT, true);
// The writer may be null, e.g. for folders and the like
if (writer == null || writer.getMimetype() == null)
{
if(logger.isDebugEnabled())
{
logger.debug("no content or mimetype - do nothing");
}
// No content to embed data in
return;
}
// Get all the node's properties
Map