/*
 * Created on 20.11.2003
 *
 * (c) Stabsstelle IKT-Strategie des Bundes
 */
package at.gv.egovernment.moa.spss.slinterface.transformers;

import java.util.HashMap;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

import at.gv.egovernment.moa.spss.slinterface.Constants;

/**
 * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) 
 */
public class SL2MOA
{
  /**
   * Transforms an SL VerifyXMLSignatureRequest into a MOA VerifyXMLSignatureRequest.
   * 
   * @param slVerifyXMLSignatureRequest The SL VerifyXMLSignatureRequest to be transformed.
   * 
   * @return the specified request document, transformed into a MOA VerifyXMLSignatureRequest. Please note
   *         that <code>slVerifyXMLSignatureRequest</code> is modified into the moa request.   
   * 
   * @pre slVerifyXMLSignatureRequest is a valid instance of the SL Schema (version 1.2 or 1.1).
   */
  public static Document toMoaVerifyXMLSignatureRequest(Document slVerifyXMLSignatureRequest, 
    String trustProfileID)
  {
    // Namespace to namespace prefix mapping
    HashMap prefixMap = new HashMap(4);
    prefixMap.put(Constants.NSURI_SL_10_, Constants.NSPRE_SL_10_);
    prefixMap.put(Constants.NSURI_SL_11_, Constants.NSPRE_SL_11_);
    prefixMap.put(Constants.NSURI_SL_12_, Constants.NSPRE_SL_12_);
    prefixMap.put(Constants.NSURI_MOA_12_, Constants.NSPRE_MOA_12_);

    // Namespaces to be changed
    HashMap nsTransforms = new HashMap();
    nsTransforms.put(Constants.NSURI_SL_10_, Constants.NSURI_MOA_12_);
    nsTransforms.put(Constants.NSURI_SL_11_, Constants.NSURI_MOA_12_);
    nsTransforms.put(Constants.NSURI_SL_12_, Constants.NSURI_MOA_12_);
    
    // Names to be changed
    HashMap nameTransforms = new HashMap();
    nameTransforms.put(
      new QName(Constants.NSURI_SL_11_, "SignatureInfo"), 
      new QName(Constants.NSURI_MOA_12_,"VerifySignatureInfo"));
    nameTransforms.put(
      new QName(Constants.NSURI_SL_12_, "SignatureInfo"), 
      new QName(Constants.NSURI_MOA_12_,"VerifySignatureInfo"));
    nameTransforms.put(
      new QName(Constants.NSURI_SL_11_, "SignatureEnvironment"), 
      new QName(Constants.NSURI_MOA_12_,"VerifySignatureEnvironment"));
    nameTransforms.put(
      new QName(Constants.NSURI_SL_12_, "SignatureEnvironment"), 
      new QName(Constants.NSURI_MOA_12_,"VerifySignatureEnvironment"));
    nameTransforms.put(
      new QName(Constants.NSURI_SL_11_, "SignatureLocation"), 
      new QName(Constants.NSURI_MOA_12_,"VerifySignatureLocation"));
    nameTransforms.put(
      new QName(Constants.NSURI_SL_12_, "SignatureLocation"), 
      new QName(Constants.NSURI_MOA_12_,"VerifySignatureLocation"));
    nameTransforms.put(
      new QName(Constants.NSURI_SL_11_, "Supplement"), 
      new QName(Constants.NSURI_MOA_12_,"SupplementProfile"));
    nameTransforms.put(
      new QName(Constants.NSURI_SL_12_, "Supplement"), 
      new QName(Constants.NSURI_MOA_12_,"SupplementProfile"));
    
    Element verifyRequestElem = slVerifyXMLSignatureRequest.getDocumentElement();
    verifyRequestElem.setAttributeNS(Constants.NSURI_NAMESPACES_, 
      "xmlns:" + Constants.NSPRE_MOA_12_, Constants.NSURI_MOA_12_);

    // Convert SL request into MOA request
    verifyRequestElem = Utils.transformDeep(verifyRequestElem, prefixMap, nsTransforms, nameTransforms);

    // Add trust profile ID element
    Element trustProfileIDElem = slVerifyXMLSignatureRequest.createElementNS(
      Constants.NSURI_MOA_12_, Constants.NSPRE_MOA_12_ + ":TrustProfileID");
    trustProfileIDElem.appendChild(slVerifyXMLSignatureRequest.createTextNode(trustProfileID));
    verifyRequestElem.appendChild(trustProfileIDElem);
    
    return slVerifyXMLSignatureRequest;
  }
}