Example usage for org.apache.commons.scxml2.model CustomAction CustomAction

Introduction

In this page you can find the example usage for org.apache.commons.scxml2.model CustomAction CustomAction.

Prototype

public CustomAction(final String namespaceURI, final String localName,
        final Class<? extends Action> actionClass) 

Source Link

Document

Constructor, if the namespace or local name is null or empty, or if the implementation is not an Action , an IllegalArgumentException is thrown.

Usage

From source file:org.onehippo.repository.scxml.RepositorySCXMLRegistry.java

private SCXMLDefinition readSCXMLDefinition(final String scxmlDefId, final Node scxmlDefNode)
        throws SCXMLException {
    String scxmlDefPath;//from ww w  . j a  v  a 2s .  co m
    String scxmlSource;
    final List<CustomAction> customActions = new ArrayList<>();
    String className = null;

    try {
        scxmlDefPath = scxmlDefNode.getPath();
        scxmlSource = scxmlDefNode.getProperty(SCXML_SOURCE).getString();

        if (StringUtils.isBlank(scxmlSource)) {
            log.error("SCXML definition source is blank at '{}'. '{}'.", scxmlDefNode.getPath(), scxmlSource);
        }

        for (final Node actionNode : new NodeIterable(scxmlDefNode.getNodes())) {
            if (!actionNode.isNodeType(SCXML_ACTION)) {
                continue;
            }

            String namespace = actionNode.getProperty(SCXML_ACTION_NAMESPACE).getString();
            className = actionNode.getProperty(SCXML_ACTION_CLASSNAME).getString();
            @SuppressWarnings("unchecked")
            Class<? extends Action> actionClass = (Class<Action>) Thread.currentThread().getContextClassLoader()
                    .loadClass(className);
            customActions.add(new CustomAction(namespace, actionNode.getName(), actionClass));
        }
    } catch (ClassNotFoundException e) {
        throw new SCXMLException("Failed to find the custom action class: " + className, e);
    } catch (RepositoryException e) {
        throw new SCXMLException("Failed to read custom actions from repository. " + e.getLocalizedMessage(),
                e);
    } catch (Exception e) {
        throw new SCXMLException("Failed to load custom actions. " + e.getLocalizedMessage(), e);
    }

    try {
        Configuration configuration = createSCXMLReaderConfiguration(scxmlDefPath, customActions);
        SCXML scxml = SCXMLReader.read(new StreamSource(new StringReader(scxmlSource)), configuration);
        return new SCXMLDefinitionImpl(scxmlDefId, scxmlDefPath, scxml);
    } catch (IOException e) {
        throw new SCXMLException(
                "IO error while reading SCXML definition at '" + scxmlDefPath + "'. " + e.getLocalizedMessage(),
                e);
    } catch (ModelException e) {
        throw new SCXMLException(
                "Invalid SCXML model definition at '" + scxmlDefPath + "'. " + e.getLocalizedMessage(), e);
    } catch (XMLStreamException e) {
        throw new SCXMLException("Failed to read SCXML XML stream at '" + scxmlDefPath + "'. "
                + naturalizeXMLStreamExceptionMessage(e), e);
    }
}

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