org.equanda.subjectory
Interface DataContainer

All Known Implementing Classes:

DataContainerAdapter, XmlFileContainer

public interface DataContainer

Generic data container object

Author:

Brian Reynolds, Joachim Van der Auwera

Method Summary

byte[]	getAttachment(String filename) Get an attachment which is part of the data container by specifying the (relative) filename within the container.
Node	getContainer(String container) Get xml dom tree for the specified container.
String	getContainerType() Get container type identifier string.
NodeList	getNodeList(String container, String xPathExpr) Get the list of nodes which are referenced by the given xpath expression in the (current location in) the given container.
String	getString(String container, String xPathExpr) Get the string which is referenced by the given xpath expression in the (current location in) the given container.
void	setContainer(String container, Node node) Set xml tree for a container.

Method Detail

getContainerType

String getContainerType()

Get container type identifier string.

Returns:

container type identifier

getString

String getString(String container,
                 String xPathExpr)

Get the string which is referenced by the given xpath expression in the (current location in) the given container.

Parameters:

container - name of the container to search in

xPathExpr - xpath expression to evaluate

Returns:

string result of null of not found

getNodeList

NodeList getNodeList(String container,
                     String xPathExpr)

Get the list of nodes which are referenced by the given xpath expression in the (current location in) the given container.

Parameters:

container - name of the container to search in

xPathExpr - xpath expression to evaluate

Returns:

string result of null of not found

getContainer

Node getContainer(String container)

Get xml dom tree for the specified container.

Parameters:

container - container identifier or null for "Default" container

Returns:

dom tree

setContainer

void setContainer(String container,
                  Node node)

Set xml tree for a container.

Parameters:

container - container identifier or null for "Default" container

node - dom tree to set

getAttachment

byte[] getAttachment(String filename)

Get an attachment which is part of the data container by specifying the (relative) filename within the container.

Parameters:

filename - filename inside data container

Returns:

attachment contents