org.ow2.binjiu.description.upnp2model.UPnPParser Maven / Gradle / Ivy

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Description generator for convert UPnP XML description to java interfaces.

There is a newer version: 0.9

package org.ow2.binjiu.description.upnp2model;

import java.io.File;

import org.cybergarage.upnp.Device;
import org.cybergarage.upnp.device.InvalidDescriptionException;
import org.ow2.binjiu.description.exception.UnpleasantTypeException;
import org.ow2.binjiu.description.model.Action;
import org.ow2.binjiu.description.model.Component;
import org.ow2.binjiu.description.model.Service;
import org.ow2.binjiu.description.model.Type;
import org.ow2.binjiu.description.model.Variable;
import org.ow2.binjiu.description.resource.Properties;

public class UPnPParser {

	private static final String IN = "IN";
	private static final String OUT = "OUT";

	private Device device;

	public UPnPParser(File descriptionFile) throws InvalidDescriptionException {
		this.device = new Device(descriptionFile);
	}

	public Component parse() throws UnpleasantTypeException {

		Component component = new Component(device.getFriendlyName());

		for (Object upnpService : device.getServiceList()) {
			component.addService(parseService((org.cybergarage.upnp.Service) upnpService));
		}

		return component;
	}

	private Service parseService(org.cybergarage.upnp.Service upnpService)
			throws UnpleasantTypeException {

		String serviceType = upnpService.getServiceType();
		Service service = new Service(getServiceName(serviceType));

		for (Object upnpAction : upnpService.getActionList()) {
			service.addAction(parseAction((org.cybergarage.upnp.Action) upnpAction));
		}

		return service;
	}

	private Action parseAction(org.cybergarage.upnp.Action upnpAction)
			throws UnpleasantTypeException {

		Action action = new Action(upnpAction.getName());

		for (Object argument : upnpAction.getArgumentList()) {

			org.cybergarage.upnp.Argument upnpArgument = (org.cybergarage.upnp.Argument) argument;

			// find corresponding datatype
			String upnpDatatype = upnpArgument.getRelatedStateVariable()
					.getDataType();
			Type modelType = U2MProcessor.getAssociatedType(upnpDatatype);

			// get direction
			String direction = upnpArgument.getDirection();

			// we create the variable
			Variable variable = new Variable(upnpArgument.getName(), modelType);

			// add it to action definition
			if (direction.toUpperCase().equals(IN)) {
				action.addArgument(variable);
			} else if (direction.toUpperCase().equals(OUT)) {
				action.addReturn(variable);
			}
			// --> we believe in Cyberlink so if direction isn't one of them, an
			// InvalidDescriptionException should have been threw before
		}

		return action;
	}

	private String getServiceName(String serviceType){
		//String servicePrefix = Properties.schemas + Properties.serviceType;
		
		String firstCut = serviceType.substring(Properties.serviceNamePrefix.length());
		return firstCut.substring(0, firstCut.length()-2);
	}
}