Qualifier.java

package mediawiki.info.wikibase;

import org.json.JSONException;
import org.json.JSONObject;

import javat.xml.Element;

public class Qualifier extends Claim {

	private String hash = null;
	
	public Qualifier(Property p, ValueSnak<?> e) {
		super(p, e);
	}

	public Qualifier(Element e) throws Exception {
		super(e);
	}
	
	@Override
	public void convert(Element element) throws Exception {
		super.convert(element);
		setHash(element.getAttribute("hash").getValue());
	}

	public String getHash() {
		return hash;
	}

	public void setHash(String hash) {
		this.hash = hash;
	}
	
	@Override
	public JSONObject toJSONObject() throws JSONException {
		JSONObject o = super.toJSONObject();
		if(hash != null)
			o.put("hash", hash);
		return o;
	}

	@Override
	public boolean equals(Object obj) {
		return super.equals(obj) && (hash == null || hash.equals(((Qualifier) obj).hash) );
	}
	
}