ptolemy.moml.filter
Class PortClassChanges

java.lang.Object
  ptolemy.moml.filter.PortClassChanges

All Implemented Interfaces:

MoMLFilter

public class PortClassChanges
extends java.lang.Object
implements MoMLFilter

When this class is registered with the MoMLParser.setMoMLFilter() method, it will cause MoMLParser to filter so that models from earlier releases will run in the current release.

This class will filter for actors that have had port class changes.

Since:

Ptolemy II 4.0

Version:

$Id: PortClassChanges.java 57040 2010-01-27 20:52:32Z cxh $

Author:

Haiyang Zheng

Accepted Rating:

Red (hyzheng)

Proposed Rating:

Red (hyzheng)

Field Summary

private static java.util.HashMap	_actorsWithPortClassChanges
private java.util.HashMap	_classMap
private boolean	_currentlyProcessingActorWithPortClassChanges
private boolean	_foundPort
private java.lang.String	_lastNameSeen
private java.util.HashMap	_portMap
private java.lang.String	_portName

Constructor Summary

PortClassChanges()

Method Summary

java.lang.String	filterAttributeValue(NamedObj container, java.lang.String element, java.lang.String attributeName, java.lang.String attributeValue, java.lang.String xmlFile) If the attributeName is "class" and attributeValue names a class that has had its port classes changed between releases, then substitute in the new port classes.
void	filterEndElement(NamedObj container, java.lang.String elementName, java.lang.StringBuffer currentCharData, java.lang.String xmlFile) Reset private variables.
java.lang.String	toString() Return a string that describes what the filter does.

Methods inherited from class java.lang.Object

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

Field Detail

_actorsWithPortClassChanges

private static java.util.HashMap _actorsWithPortClassChanges

_classMap

private java.util.HashMap _classMap

_currentlyProcessingActorWithPortClassChanges

private boolean _currentlyProcessingActorWithPortClassChanges

_foundPort

private boolean _foundPort

_lastNameSeen

private java.lang.String _lastNameSeen

_portMap

private java.util.HashMap _portMap

_portName

private java.lang.String _portName

Constructor Detail

PortClassChanges

public PortClassChanges()

Method Detail

filterAttributeValue

public java.lang.String filterAttributeValue(NamedObj container,
                                             java.lang.String element,
                                             java.lang.String attributeName,
                                             java.lang.String attributeValue,
                                             java.lang.String xmlFile)

If the attributeName is "class" and attributeValue names a class that has had its port classes changed between releases, then substitute in the new port classes.

Specified by:

filterAttributeValue in interface MoMLFilter

Parameters:

container - The container for this attribute. in this method.

element - The XML element name.

attributeName - The name of the attribute.

attributeValue - The value of the attribute.

xmlFile - The file currently being parsed.

Returns:

the value of the attributeValue argument.

filterEndElement

public void filterEndElement(NamedObj container,
                             java.lang.String elementName,
                             java.lang.StringBuffer currentCharData,
                             java.lang.String xmlFile)
                      throws java.lang.Exception

Reset private variables.

Specified by:

filterEndElement in interface MoMLFilter

Parameters:

container - The object created by this element.

elementName - The element name.

currentCharData - The character data, which appears only in the doc and configure elements

xmlFile - The file currently being parsed.

Throws:

java.lang.Exception - if there is a problem substituting in the new value.

toString

public java.lang.String toString()

Return a string that describes what the filter does.

Specified by:

toString in interface MoMLFilter

Overrides:

toString in class java.lang.Object

Returns:

the description of the filter that ends with a newline.