edu.isi.pegasus.planner.parser
Class SiteCatalogTextParser

java.lang.Object
  edu.isi.pegasus.planner.parser.SiteCatalogTextParser

public class SiteCatalogTextParser
extends Object

Parses the input stream and generates site configuration map as output.

Version:

$Revision: 2572 $

Author:

Jens Vöckler, Gaurang Mehta, Karan Vahi

See Also:

org.griphyn.cPlanner.classes.SiteCatalogTextScanner, org.griphyn.cPlanner.classes.Token

Field Summary

private LogManager	m_logger The handle to the logger used to log messages.
private Token	m_lookAhead Stores the look-ahead symbol.
private SiteCatalogTextScanner	m_scanner The access to the lexical scanner is stored here.

Constructor Summary

SiteCatalogTextParser(Reader r)
Initializes the parser with an input stream to read from.

Method Summary

private String	getSiteHandle() Returns the site handle for a site, and moves the scanner to hold the next SiteCatalogReservedWord.
String	niceString(String input) Remove potential leading and trainling quotes from a string.
PoolConfig	parse() Parses the complete input stream, into the PoolConfig data object that holds the contents of all the sites referred to in the stream.
private void	populate(SiteInfo site) Populates all the attributes except the handle, associated with the site in the SiteInfo object.

Methods inherited from class java.lang.Object

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

Field Detail

m_scanner

private SiteCatalogTextScanner m_scanner

The access to the lexical scanner is stored here.

m_lookAhead

private Token m_lookAhead

Stores the look-ahead symbol.

m_logger

private LogManager m_logger

The handle to the logger used to log messages.

Constructor Detail

SiteCatalogTextParser

public SiteCatalogTextParser(Reader r)
                      throws IOException,
                             ScannerException

Initializes the parser with an input stream to read from.

Parameters:

r - is the stream opened for reading.

Throws:

IOException

ScannerException

Method Detail

parse

public PoolConfig parse()
                 throws IOException,
                        ScannerException,
                        Exception

Parses the complete input stream, into the PoolConfig data object that holds the contents of all the sites referred to in the stream.

Returns:

a map indexed by the site handle strings.

Throws:

IOException

ScannerException

Exception

See Also:

org.griphyn.cPlanner.classes.PoolConfig

niceString

public String niceString(String input)

Remove potential leading and trainling quotes from a string.

Parameters:

input - is a string which may have leading and trailing quotes

Returns:

a string that is either identical to the input, or a substring thereof.

populate

private void populate(SiteInfo site)
               throws IOException,
                      ScannerException,
                      Exception

Populates all the attributes except the handle, associated with the site in the SiteInfo object.

Parameters:

site - the SiteInfo object that is to be populated.

Throws:

even - more mystery

IOException

ScannerException

Exception

getSiteHandle

private String getSiteHandle()
                      throws IOException,
                             ScannerException

Returns the site handle for a site, and moves the scanner to hold the next SiteCatalogReservedWord.

Returns:

the site handle for a site, usually the name of the site.

Throws:

plenty

IOException

ScannerException