org.treetank.service.jaxrx.util

Class RestXPathProcessor

java.lang.Object

org.treetank.service.jaxrx.util.RestXPathProcessor

public class RestXPathProcessor
extends Object

This class is responsible to offer XPath processing functions for REST.

Author:

Patrick Lang, Lukas Lewandowski, University of Konstanz.

Constructor Summary

Constructors

Constructor and Description
RestXPathProcessor(IStorage pDatabase) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	getXpathResource(String resourceName, long rId, String query, boolean doNodeId, Long doRevision, OutputStream output, boolean doWrap) Getting part of the XML based on a XPath query
OutputStream	getXpathResource(String resourceName, String xpath, boolean nodeid, Long revision, OutputStream output, boolean wrapResult) Getting part of the XML based on a XPath query

Methods inherited from class java.lang.Object

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

Constructor Detail

RestXPathProcessor

public RestXPathProcessor(IStorage pDatabase)

Constructor.

Parameters:

pDatabase - path to the storage

Method Detail

getXpathResource

public OutputStream getXpathResource(String resourceName,
                            String xpath,
                            boolean nodeid,
                            Long revision,
                            OutputStream output,
                            boolean wrapResult)
                              throws IOException,
                                     TTException

Getting part of the XML based on a XPath query

Parameters:

resourceName - where the content should be extracted

xpath - contains XPath query

nodeid - To response the resource with a restid for each node ( true) or without ( false).

revision - The revision of the requested resource. If null, than response the latest revision.

output - The OutputStream reference which have to be modified and returned

Returns:

the queried XML fragment

Throws:

IOException - The exception occurred.

TTException

getXpathResource

public void getXpathResource(String resourceName,
                    long rId,
                    String query,
                    boolean doNodeId,
                    Long doRevision,
                    OutputStream output,
                    boolean doWrap)
                      throws TTException

Getting part of the XML based on a XPath query

Parameters:

resourceName - where the content should be extracted

query - contains XPath query

rId - To response the resource with a restid for each node ( true) or without ( false).

doRevision - The revision of the requested resource. If null, than response the latest revision.

output - The OutputStream reference which have to be modified and returned

doNodeId - specifies whether node id should be shown

doWrap - output of result elements

Throws:

TTException