ptolemy.moml.filter

Class PortClassChanges

java.lang.Object

ptolemy.moml.filter.MoMLFilterSimple

ptolemy.moml.filter.PortClassChanges

All Implemented Interfaces:

MoMLFilter

public class PortClassChanges
extends MoMLFilterSimple

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

Author:

Haiyang Zheng

Pt.AcceptedRating:

Red (hyzheng)

Pt.ProposedRating:

Red (hyzheng)

Constructor Summary

Constructors

Constructor and Description
PortClassChanges()

Method Summary

Modifier and Type	Method and Description
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 ptolemy.moml.filter.MoMLFilterSimple

filterAttributeValue, filterEndElement

Methods inherited from class java.lang.Object

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

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.

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.

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.