package pt.utl.ist.fenix.tools.file;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.tree.BaseElement;

public class FileSetQueryResults implements XMLSerializable{

	private Set<FileSetDescriptor> results=new HashSet<FileSetDescriptor>();
	private int start=0;
	private int pageSize=10;
	private int hitsCount=0;
	/**
	 * @return the hitsCount
	 */
	public int getHitsCount() {
		return hitsCount;
	}
	/**
	 * @param hitsCount the hitsCount to set
	 */
	public void setHitsCount(int hitsCount) {
		this.hitsCount = hitsCount;
	}
	/**
	 * @return the pageSize
	 */
	public int getPageSize() {
		return pageSize;
	}
	/**
	 * @param pageSize the pageSize to set
	 */
	public void setPageSize(int pageSize) {
		this.pageSize = pageSize;
	}
	/**
	 * @return the results
	 */
	public Set<FileSetDescriptor> getResults() {
		return results;
	}
	/**
	 * @param results the results to set
	 */
	public void setResults(List<FileSetDescriptor> results) {
		for(FileSetDescriptor descriptor : results) {
			this.results.add(descriptor);
		}
	}
	/**
	 * @return the start
	 */
	public int getStart() {
		return start;
	}
	/**
	 * @param start the start to set
	 */
	public void setStart(int start) {
		this.start = start;
	}
	public void fromXMLString(String xml) {
		try {
			fromXML(org.dom4j.DocumentHelper.parseText(xml).getRootElement());
		}
		catch (DocumentException e) {
            throw new RuntimeException("Error parsing xml string : "+xml,e);
		}
	}
	public String toXMLString() {
		return toXML().asXML();
	}
	
	@SuppressWarnings("unchecked")
	public void fromXML(Element el) {
		
		setStart(Integer.parseInt(el.attributeValue("start")));
		setPageSize(Integer.parseInt(el.attributeValue("pagesize")));
		setHitsCount(Integer.parseInt(el.attributeValue("hitscount")));
		
		for(Element result:(List<Element>)el.elements())
		{
			FileSetDescriptor descriptor=new FileSetDescriptor();
			descriptor.fromXML(result);
			results.add(descriptor);
		}
	}
	public Element toXML() {
		Element el=new BaseElement("filesetqueryresults");
		
		el.addAttribute("start", ""+getStart());
		el.addAttribute("pagesize", ""+getPageSize());
		el.addAttribute("hitscount", ""+getHitsCount());
		for(FileSetDescriptor descriptor:getResults())
			el.add(descriptor.toXML());
		
		return el;
	}
	
	
}