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

import java.io.Serializable;

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

import pt.utl.ist.fenix.tools.file.FilesetMetadataQuery;
import pt.utl.ist.fenix.tools.file.VirtualPath;
import pt.utl.ist.fenix.tools.file.XMLSerializable;

public class FileSetMetadataSearchRequest implements Serializable,XMLSerializable{

	private FilesetMetadataQuery query;
	private VirtualPath optionalVirtualPath;

    //Serialization support
    public FileSetMetadataSearchRequest() {
        
    }
    public FileSetMetadataSearchRequest(FilesetMetadataQuery query) {
        this.query = query;
    }
    public FileSetMetadataSearchRequest(FilesetMetadataQuery query,VirtualPath optionalVirtualPath) {
        this.query = query;
        this.optionalVirtualPath=optionalVirtualPath;
    }

	/**
	 * @return the optionalVirtualPath
	 */
	public VirtualPath getOptionalVirtualPath() {
		return optionalVirtualPath;
	}

	public FilesetMetadataQuery getQuery() {
        return this.query;
    }

    public String toXMLString() {
    	return toXML().asXML();
    }
    
    public Element toXML()
    {
        Element fileSetMetaSearchElement = new BaseElement("filesetmetadatasearchrequest");

        fileSetMetaSearchElement.add(query.toXML());
        if(optionalVirtualPath!=null)
        	fileSetMetaSearchElement.add(optionalVirtualPath.toXML());
        

        return fileSetMetaSearchElement ;
    	
    }

    public static FileSetMetadataSearchRequest createFromXml(String xml) {
        FileSetMetadataSearchRequest retVal=new FileSetMetadataSearchRequest();
        retVal.fromXMLString(xml);
        return retVal;
    }

    
    public void fromXMLString(String xml) {
        try {
            fromXML(DocumentHelper.parseText(xml).getRootElement());
        } catch (DocumentException e) {
            throw new RuntimeException(e);
        }
    }
    
    public void fromXML(Element xmlElement)
    {
    	this.query=new FilesetMetadataQuery();
    	query.fromXML(xmlElement.element("filesetmetadataquery"));
    	if(xmlElement.element("virtualpath")!=null)
    	{
    		this.optionalVirtualPath=new VirtualPath();
    		optionalVirtualPath.fromXML(xmlElement.element("virtualpath"));
    	}
    }
}