uk.ac.bbk.dcs.automed.xml.wrappers
Class SAXWrapper

java.lang.Object
  uk.ac.ic.doc.automed.wrappers.AutoMedWrapper
      uk.ac.bbk.dcs.automed.xml.wrappers.XMLWrapper
          uk.ac.bbk.dcs.automed.xml.wrappers.SAXWrapper

public class SAXWrapper
extends XMLWrapper

A lower level wrapper that conforms to the XMLWrapper class. The SAXWrapper class uses SAX and DOM. The SAXWrapper creates a copy of the XML data source locally in order to query it. The SAXWrapper holds the schema in memory using DOM.

Author:

Lucas Zamboulis

Field Summary

Fields inherited from class uk.ac.bbk.dcs.automed.xml.wrappers.XMLWrapper

queryList, resultList, schemaDoc, schemaUIDDoc

Fields inherited from class uk.ac.ic.doc.automed.wrappers.AutoMedWrapper

am, awf, debug, driver, emptyKeyProtection, emptyKeys, optionKeyProtection, optionKeys, password, s, url, username

Constructor Summary

SAXWrapper(AccessMethod am, java.lang.String password)

Method Summary

protected ASG	elementAttributeQuery(java.lang.String searchNode1, java.lang.String searchNode2)
protected ASG	elementElementQuery(java.lang.String searchNode1, java.lang.String searchNode2)
protected ASG	elementElementQuery(java.lang.String searchNode1, java.lang.String searchNode2, int order) Nodes are compared based on elementName:count, not their whole UID
protected ASG	elementPCDataQuery(java.lang.String searchNode)
protected ASG	elementPCDataQuery(java.lang.String searchNode, int order)
protected ASG	elementQuery(java.lang.String searchNode)
protected AutoMedWrapperFactory	getDefaultWrapperFactory() Returns a new instance of the default wrapper factory for this wrapper
java.lang.String	getProtocolName() The name of the Protocolin the repository used to represent JDBC connections.
static AutoMedWrapper	newAutoMedWrapper(java.lang.String username, java.lang.String password, java.lang.String driver, java.lang.String url, java.lang.String schemaName, AutoMedWrapperFactory awf)
protected ASG	textQuery()

Methods inherited from class uk.ac.bbk.dcs.automed.xml.wrappers.XMLWrapper

connect, executeIQL, executeLocalQuery, executeXMLQuery, getSchemaDoc, getSchemaName, getSchemaUIDDoc, getURI, getXMLDSS, UIDGetAttNameFromAttUID, UIDGetElementName, UIDGetElementName, UIDGetElementNameFromAttUID, UIDGetSchemaUIDFromInstanceUID, UIDGetSchemaUIDFromInstanceUID

Methods inherited from class uk.ac.ic.doc.automed.wrappers.AutoMedWrapper

atDebugLevel, cacheWrapper, deleteIQL, getAccessMethod, getAutoMedWrapper, getAutoMedWrapper, getAutoMedWrapperFactory, getDrivers, getOption, getOptionKeyProtection, getOptionKeys, getProtocol, getQueryParser, getSchema, getSchema, insertIQL, newAutoMedSchema, newAutoMedWrapper, newAutoMedWrapper, registerWrapper, selectNewAutoMedWrapper, selectNewAutoMedWrapper, setDebugLevel, setOption

Methods inherited from class java.lang.Object

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

Constructor Detail

SAXWrapper

public SAXWrapper(AccessMethod am,
                  java.lang.String password)
           throws NotFoundException,
                  DataSourceException,
                  java.io.IOException,
                  org.xml.sax.SAXException

Throws:

NotFoundException

DataSourceException

java.io.IOException

org.xml.sax.SAXException

Method Detail

newAutoMedWrapper

public static AutoMedWrapper newAutoMedWrapper(java.lang.String username,
                                               java.lang.String password,
                                               java.lang.String driver,
                                               java.lang.String url,
                                               java.lang.String schemaName,
                                               AutoMedWrapperFactory awf)
                                        throws IntegrityException,
                                               DataSourceException

Throws:

IntegrityException

DataSourceException

textQuery

protected final ASG textQuery()

Specified by:

textQuery in class XMLWrapper

Returns:

all PCData and CData nodes

elementQuery

protected final ASG elementQuery(java.lang.String searchNode)

Specified by:

elementQuery in class XMLWrapper

Parameters:

searchNode - the tag of the element (not its UID)

Returns:

ASG with the result elements

elementAttributeQuery

protected final ASG elementAttributeQuery(java.lang.String searchNode1,
                                          java.lang.String searchNode2)

Specified by:

elementAttributeQuery in class XMLWrapper

elementElementQuery

protected final ASG elementElementQuery(java.lang.String searchNode1,
                                        java.lang.String searchNode2,
                                        int order)

Nodes are compared based on elementName:count, not their whole UID

Specified by:

elementElementQuery in class XMLWrapper

Parameters:

searchNode1 - parent element

searchNode2 - child element

order - the order of the child element in its parent's nodelist, including PCData nodes. If -1 then order is unimportant

Returns:

elementPCDataQuery

protected final ASG elementPCDataQuery(java.lang.String searchNode,
                                       int order)

Specified by:

elementPCDataQuery in class XMLWrapper

elementElementQuery

protected final ASG elementElementQuery(java.lang.String searchNode1,
                                        java.lang.String searchNode2)

Specified by:

elementElementQuery in class XMLWrapper

elementPCDataQuery

protected final ASG elementPCDataQuery(java.lang.String searchNode)

Specified by:

elementPCDataQuery in class XMLWrapper

getProtocolName

public java.lang.String getProtocolName()

The name of the Protocolin the repository used to represent JDBC connections.

Specified by:

getProtocolName in class AutoMedWrapper

getDefaultWrapperFactory

protected final AutoMedWrapperFactory getDefaultWrapperFactory()

Returns a new instance of the default wrapper factory for this wrapper

Specified by:

getDefaultWrapperFactory in class AutoMedWrapper