Package org.epics.archiverappliance.config.ChannelArchiver

Class EngineConfigParser

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.epics.archiverappliance.config.ChannelArchiver.EngineConfigParser

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class EngineConfigParser
extends DefaultHandler

Ability to import a ChannelArchiver engine config file. Support for PVNames, periods and scan/monitor so far.

Author:

mshankar

Constructor Summary

Constructors

Constructor	Description
EngineConfigParser()

Method Summary

Modifier and Type	Method	Description
void	characters(char[] ch, int start, int length)
void	endElement(String uri, String localName, String qName)
static LinkedList<PVConfig>	importEngineConfig(InputStream is)	Main import method.
InputSource	resolveEntity(String publicId, String systemId)
void	startElement(String uri, String localName, String qName, Attributes attributes)

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Constructor Detail

EngineConfigParser

public EngineConfigParser()

Method Detail

importEngineConfig

public static LinkedList<PVConfig> importEngineConfig(InputStream is)
                                               throws Exception

Main import method. Pass in an input stream (perhaps from an HTTP POST) and get a list of PVConfigs.

Parameters:

is - InputStream

Returns:

PVConfig The list of PVconfigs

Throws:

Exception -  

startElement

public void startElement(String uri,
                         String localName,
                         String qName,
                         Attributes attributes)
                  throws SAXException

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Throws:

SAXException

endElement

public void endElement(String uri,
                       String localName,
                       String qName)
                throws SAXException

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Throws:

SAXException

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws SAXException

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Throws:

SAXException

resolveEntity

public InputSource resolveEntity(String publicId,
                                 String systemId)
                          throws IOException,
                                 SAXException

Specified by:

resolveEntity in interface EntityResolver

Overrides:

resolveEntity in class DefaultHandler

Throws:

IOException

SAXException