atom.content.JcrManager Maven / Gradle / Ivy
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package atom.content;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* Java Content Repository Manager corresponded for all operations that used for
* interaction with repository.
*
* @author Alex Voloshyn
* @version 1.3 2/22/13
*/
public interface JcrManager {
/**
* Equivalent to login(null, workspaceName).
*
* @param workspace the name of a workspace
* @return a valid session for the user to access the repository
* @throws javax.jcr.RepositoryException if authentication or authorization
* for the specified workspace fails
* or another error occurs
*/
Session login(String workspace) throws RepositoryException;
/**
* Deserializes an XML document and adds the resulting item sub-graph as a
* child of the node at root node.
*
* If the incoming XML stream does not appear to be a JCR system view
* XML document then it is interpreted as a document view XML
* document.
*
* The passed InputStream is closed before this method returns
* either normally or because of an exception.
*
* @param workspace the name of a workspace
* @param stream the InputStream from which the XML to be
* deserialized is read
* @throws IOException if an error during an I/O operation occurs
* @throws RepositoryException if another error occurs
*/
void importXML(String workspace, InputStream stream)
throws RepositoryException, IOException;
/**
* The serialized output will reflect the state of the current workspace as
* modified by the state of this Session. This means that
* pending changes (regardless of whether they are valid according to node
* type constraints) and all namespace mappings in the namespace registry,
* as modified by the current session-mappings, are reflected in the
* output.
*
* The output XML will be encoded in UTF-8.
*
* @param workspace the name of a workspace
* @param stream the OutputStream to which the XML
* serialization of the subgraph will be output
* @throws IOException if an error during an I/O operation occurs
* @throws RepositoryException if another error occurs
*/
void exportXML(String workspace, OutputStream stream)
throws RepositoryException, IOException;
/**
* Deserializes an XML document and adds the resulting item sub-graph as a
* child of the node at root node.
*
* Content imported only in case when repository is empty (root node
* contains only jcr:system folder).
*
* @param workspace the name of a workspace
* @param stream the InputStream from which the XML to be
* deserialized is read
* @throws IOException if an error during an I/O operation occurs
* @throws RepositoryException if another error occurs
*/
void initialContent(String workspace, InputStream stream)
throws RepositoryException, IOException;
/**
* Registers or updates the node type definitions per the Compact Node
* Definition (CND) file given by the supplied stream. This method is used
* to register or update a set of node types with mutual dependencies.
* Returns an iterator over the resulting NodeType objects.
*
* The effect of the method is "all or nothing"; if an error occurs, no node
* types are registered or updated.
*
* @param stream the stream containing the node type definitions in CND
* format
* @throws IOException if an error during an I/O operation occurs
* @throws RepositoryException if another error occurs
*/
void registerNodeTypes(InputStream stream)
throws RepositoryException, IOException;
/**
* Force shutdown of all JCR repositories.
*/
void shutdown();
}