org.equanda.subjectory
Class DataContainerAdapter

java.lang.Object
  org.equanda.subjectory.DataContainerAdapter

All Implemented Interfaces:

DataContainer

Direct Known Subclasses:

XmlFileContainer

public abstract class DataContainerAdapter
extends Object
implements DataContainer

Adapter class for creating specific data container classes.

Author:

Joachim Van der Auwera

Field Summary

protected HashMap<String,Node>	containerMap
static String	DEFAULT_CONTAINER
protected XPathFactory	xPathFactory

Constructor Summary

DataContainerAdapter()

Method Summary

byte[]	getAttachment(String s) 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.
protected Document	getDom(File dir, String fileName)
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.
protected Object	getXPath(String container, String xPathExpr, QName xPathType)
void	setContainer(String container, Node node) Set xml tree for a container.
protected abstract void	setNameSpaceContext(XPath xPath)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.equanda.subjectory.DataContainer

getContainerType

Field Detail

DEFAULT_CONTAINER

public static final String DEFAULT_CONTAINER

See Also:

Constant Field Values

containerMap

protected HashMap<String,Node> containerMap

xPathFactory

protected XPathFactory xPathFactory

Constructor Detail

DataContainerAdapter

public DataContainerAdapter()

Method Detail

getDom

protected Document getDom(File dir,
                          String fileName)

setNameSpaceContext

protected abstract void setNameSpaceContext(XPath xPath)

getString

public String getString(String container,
                        String xPathExpr)

Description copied from interface: DataContainer

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

Specified by:

getString in interface DataContainer

Parameters:

container - name of the container to search in

xPathExpr - xpath expression to evaluate

Returns:

string result of null of not found

getNodeList

public NodeList getNodeList(String container,
                            String xPathExpr)

Description copied from interface: DataContainer

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

Specified by:

getNodeList in interface DataContainer

Parameters:

container - name of the container to search in

xPathExpr - xpath expression to evaluate

Returns:

string result of null of not found

getXPath

protected Object getXPath(String container,
                          String xPathExpr,
                          QName xPathType)

getContainer

public Node getContainer(String container)

Description copied from interface: DataContainer

Get xml dom tree for the specified container.

Specified by:

getContainer in interface DataContainer

Parameters:

container - container identifier or null for "Default" container

Returns:

dom tree

setContainer

public void setContainer(String container,
                         Node node)

Description copied from interface: DataContainer

Set xml tree for a container.

Specified by:

setContainer in interface DataContainer

Parameters:

container - container identifier or null for "Default" container

node - dom tree to set

getAttachment

public byte[] getAttachment(String s)

Description copied from interface: DataContainer

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

Specified by:

getAttachment in interface DataContainer

Parameters:

s - filename inside data container

Returns:

attachment contents