Examples of ptolemy.moml.MoMLParser.parseFile()

ptolemy.moml.MoMLParser.parseFile()

Parse the file with the given name, which contains MoML. If there are external references in the MoML, they are interpreted relative to the current working directory.

If you have an absolute pathname, rather than calling this method, you may want to try:

 CompositeActor toplevel = (CompositeActor) parser.parse(null, new File(xmlFilename).toURL());

Note that this method attempts to read the user.dir system property, which is not generally available in applets. Hence it is probably not a good idea to use this method in applet code, since it will probably fail outright.

If the file has already been parsed, then return the model that previously parsed. Note that this means that an application that opens and then closes a model and expects to re-parse the XML when re-opening should call purgeModelRecord() when closing it. @param filename The file name from which to read MoML. @return The top-level composite entity of the Ptolemy II model. @exception Exception If the parser fails. @exception SecurityException If the user.dir system property isnot available. @see #purgeModelRecord(String) @see #purgeAllModelRecords()

            // Add the backward compatibility filters.
            MoMLParser.setMoMLFilters(BackwardCompatibility.allFilters());


            MoMLParser.addMoMLFilter(new RemoveGraphicalClasses());
            MoMLParser.addMoMLFilter(new HideAnnotationNames());
            NamedObj topLevel = parser.parseFile(args[0]);
            System.out.println(topLevel.exportMoML());
        } catch (Throwable throwable) {
            System.err.println("Failed to filter \"" + args[0] + "\"");
            throwable.printStackTrace();
            System.exit(1);

        // The Ptolemy II model returned by the Java parser.
        NamedObj toplevel;


        try {
            MoMLParser parser = new MoMLParser();
            toplevel = parser.parseFile(args[0]);
        } catch (Exception ex) {
            throw new RuntimeException(ex.getMessage()
                    + "Exception raised from the MoML parser\n");
        }

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