Examples with IStepExternalResourceConsumerProvider org.pentaho.metaverse.api.analyzer.kettle.step.IStepExternalResourceConsumerProvider used on opensource projects

Example 1 with IStepExternalResourceConsumerProvider

use of org.pentaho.metaverse.api.analyzer.kettle.step.IStepExternalResourceConsumerProvider in project pentaho-metaverse by pentaho.

the class AbstractStepMetaJsonSerializer method writeExternalResources.

protected void writeExternalResources(T meta, JsonGenerator json, SerializerProvider serializerProvider) throws IOException, JsonGenerationException {
    Set<Class<?>> metaClassSet = new HashSet<Class<?>>(1);
    metaClassSet.add(meta.getClass());
    IStepExternalResourceConsumerProvider stepExternalResourceConsumerProvider = getStepExternalResourceConsumerProvider();
    List<IStepExternalResourceConsumer> resourceConsumers = null;
    if (stepExternalResourceConsumerProvider != null) {
        resourceConsumers = stepExternalResourceConsumerProvider.getExternalResourceConsumers(metaClassSet);
    }
    json.writeArrayFieldStart(JSON_PROPERTY_EXTERNAL_RESOURCES);
    if (resourceConsumers != null) {
        for (IStepExternalResourceConsumer resourceConsumer : resourceConsumers) {
            Collection<IExternalResourceInfo> infos = resourceConsumer.getResourcesFromMeta(meta);
            for (IExternalResourceInfo info : infos) {
                json.writeObject(info);
            }
        }
    }
    json.writeEndArray();
}