ResolvedCriticXMLHelper.java

// $Id: ResolvedCriticXMLHelper.java 14754 2008-05-16 16:23:24Z tfmorris $
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package org.argouml.persistence;

import java.util.List;
import java.util.Vector;

import org.argouml.cognitive.ResolvedCritic;

/**
 * A helper class to provide a view of a ResolvedCritic that is particularly
 * suited for saving to an XML file.
 * Used by todo.tee
 * This is not to be considered as part of the peristence interface.
 *
 * @see	ResolvedCritic
 * @author Michael Stockman
 */
public class ResolvedCriticXMLHelper {
    /**
     * The ResolvedCritic this instance helps.
     */
    private final ResolvedCritic item;

    /**
     * Creates a new ResolvedCriticXMLHelper for helping item.
     *
     * @param	rc	The ResolvedCritic to expose.
     */
    public ResolvedCriticXMLHelper(ResolvedCritic rc) {
        if (rc == null) {
            throw new IllegalArgumentException(
                    "There must be a ResolvedCritic supplied.");
        }
        item = rc;
    }

    /**
     * Encodes the critic of this ResolvedCritic in an XML safe way and
     * returns the new String. The String can be regained by running the
     * returned String through {@link TodoParser#decode(String)}.
     *
     * @return	The encoded critic.
     */
    public String getCritic() {
        return item.getCritic();
    }

    /**
     * Gets the offender vector of this critic where each offender is
     * wrapped in an OffenderXMLHelper.
     * 
     * @return	A Vector of OffenderXMLHelpers, or null if there are
     *		no offenders.
     * @see	OffenderXMLHelper
     * NOTE: used by todo.tee
     */
    public Vector<OffenderXMLHelper> getOffenderList() {
	List<String> in = item.getOffenderList();
	Vector<OffenderXMLHelper> out;

	if (in == null) {
	    return null;
	}
	out = new Vector<OffenderXMLHelper>();
	for (String elem : in) {
	    try {
		OffenderXMLHelper helper =
		    new OffenderXMLHelper(elem);
		out.addElement(helper);
	    } catch (ClassCastException cce) {
	        // TODO: Shouldn't we do something here?
	    }
	}

	return out;
    }
}