EPartnerProcessor.java

package nl.tudelft.bw4t.client.controller.percept.processors;

import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;

import eis.iilang.Identifier;
import eis.iilang.Numeral;
import eis.iilang.Parameter;
import eis.iilang.ParameterList;
import nl.tudelft.bw4t.client.controller.ClientMapController;
import nl.tudelft.bw4t.map.view.ViewEPartner;
import nl.tudelft.bw4t.map.view.ViewEntity;

/**
 * The Class EPartnerProcessor.
 */
public class EPartnerProcessor implements PerceptProcessor {

	/** The log4j Logger which displays logs on console. */
	private static final Logger LOGGER = Logger
			.getLogger(EPartnerProcessor.class.getName());

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * nl.tudelft.bw4t.client.controller.percept.processors.PerceptProcessor
	 * #process(java.util.List,
	 * nl.tudelft.bw4t.client.controller.ClientMapController)
	 */
	@Override
	public void process(List<Parameter> parameters,
			ClientMapController clientMapController) {
		long id = ((Numeral) parameters.get(0)).getValue().longValue();
		String entityId = ((Identifier) parameters.get(1)).getValue();
		long holderId = ((Numeral) parameters.get(2)).getValue().longValue();
		ParameterList types = ((ParameterList) parameters.get(3));

		ViewEntity theBot = clientMapController.getTheBot();
		ViewEPartner epartner = clientMapController.getKnownEPartner(id);

		epartner = initializeEPartner(clientMapController, id, entityId,
				holderId, epartner, types);

		checkHoldingEPartner(id, holderId, theBot);
		if (clientMapController.containsBlock(id)) {
			epartner.setLocation(clientMapController.getBlock(id).getPosition());
		}
		epartner.setPickedUp(holderId >= 0);
	}

	/**
	 * Initialize e partner.
	 * 
	 * @param clientMapController
	 *            the client map controller
	 * @param id
	 *            the epartner id
	 * @param entityId
	 *            the entity id
	 * @param holderId
	 *            the holder id
	 * @param epartner
	 *            the epartner
	 * @return the view e partner
	 */
	private ViewEPartner initializeEPartner(
			ClientMapController clientMapController, long id, String entityId,
			long holderId, ViewEPartner epartner, ParameterList types) {
		if (epartner == null) {
			epartner = new ViewEPartner();
			epartner.setId(id);
			clientMapController.addEPartner(epartner);
		}
		epartner.setName(entityId);
		epartner.setVisible(true);
		List<String> stringTypes = getStringTypes(types);
		epartner.setTypes(stringTypes);
		return epartner;
	}

	/**
	 * Returns a string list of the parameter functionality list.
	 * 
	 * @param types
	 *            the parameter list
	 * @return Returns the String representation of the parameters list.
	 */
	private List<String> getStringTypes(ParameterList types) {
		List<String> res = new ArrayList<>(types.size());
		for (Parameter t : types) {
			res.add(((Identifier) t).getValue());
		}
		return res;
	}

	/**
	 * Check holding e partner.
	 * 
	 * @param id
	 *            of the epartner
	 * @param holderId
	 *            the id of the bot which holds the epartner
	 * @param theBot
	 *            the bot object
	 */
	private void checkHoldingEPartner(long id, long holderId, ViewEntity theBot) {
		if (holderId == theBot.getId()) {
			if (id != theBot.getHoldingEpartner()) {
				LOGGER.info("We are now holding the e-partner: " + id);
			}
			theBot.setHoldingEpartner(id);
		} else if (id == theBot.getHoldingEpartner()) {
			theBot.setHoldingEpartner(-1);
		}
	}

}