edu.isi.pegasus.planner.parser

Class SiteCatalogTextParser

java.lang.Object

edu.isi.pegasus.planner.parser.SiteCatalogTextParser

public class SiteCatalogTextParser
extends java.lang.Object

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

Version:

$Revision$

Author:

Jens Vöckler, Gaurang Mehta, Karan Vahi

See Also:

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

Field Summary

Fields

Modifier and Type	Field and Description
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

Constructors

Constructor and Description
SiteCatalogTextParser(java.io.Reader r) Initializes the parser with an input stream to read from.

Method Summary

Modifier and Type	Method and Description
private java.lang.String	getSiteHandle() Returns the site handle for a site, and moves the scanner to hold the next SiteCatalogReservedWord.
java.lang.String	niceString(java.lang.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(java.io.Reader r)
                      throws java.io.IOException,
                             ScannerException

Initializes the parser with an input stream to read from.

Parameters:

r - is the stream opened for reading.

Throws:

java.io.IOException

ScannerException

Method Detail

parse

public PoolConfig parse()
                 throws java.io.IOException,
                        ScannerException,
                        java.lang.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:

java.io.IOException

ScannerException

java.lang.Exception

See Also:

org.griphyn.cPlanner.classes.PoolConfig

niceString

public java.lang.String niceString(java.lang.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 java.io.IOException,
                      ScannerException,
                      java.lang.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

java.io.IOException

ScannerException

java.lang.Exception

getSiteHandle

private java.lang.String getSiteHandle()
                                throws java.io.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

java.io.IOException

ScannerException