/*
    * Copyright 2001-2013 The Apache Software Foundation.
    * 
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * 
    *      http://www.apache.org/licenses/LICENSE-2.0
    * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   */
  package org.apache.juddi.samples;
  
  import java.util.List;
  import org.apache.juddi.v3.client.UDDIConstants;
  import org.apache.juddi.v3.client.config.UDDIClient;
  import org.apache.juddi.v3.client.config.UDDIClientContainer;
  import org.apache.juddi.v3.client.transport.Transport;
  import org.uddi.api_v3.*;
  import org.uddi.v3_service.UDDIInquiryPortType;
  import org.uddi.v3_service.UDDIPublicationPortType;
  import org.uddi.v3_service.UDDISecurityPortType;
  
  /**
   * This class shows you how to search for services that are digitally signed
   *
   * @author <a href="mailto:alexoree@apache.org">Alex O'Ree</a>
   */
  public class UddiDigitalSignatureSearch {
  
          private UDDISecurityPortType security = null;
          private UDDIInquiryPortType inquiry = null;
  
          /**
           * This sets up the ws proxies using uddi.xml in META-INF
           */
          public UddiDigitalSignatureSearch() {
                  try {
                          // create a manager and read the config in the archive; 
                          // you can use your config file name
                          UDDIClient clerkManager = new UDDIClient("META-INF/simple-publish-uddi.xml");
                          Transport transport = clerkManager.getTransport();
                          // Now you create a reference to the UDDI API
                          security = transport.getUDDISecurityService();
                          inquiry = transport.getUDDIInquiryService();
                  } catch (Exception e) {
                          e.printStackTrace();
                  }
          }
  
          /**
           * Main entry point
           *
           * @param args
           */
          public static void main(String args[]) {
  
                  UddiDigitalSignatureSearch sp = new UddiDigitalSignatureSearch();
                  sp.fire(null);
          }
  
          public void fire(String token) {
                  try {
  
                          FindService fs = new FindService();
                          //optional, usually
                          if (token == null) {
                                  token = getAuthKey("root", "root");
                          }
                          fs.setAuthInfo(token);
                          fs.setFindQualifiers(new FindQualifiers());
                          fs.getFindQualifiers().getFindQualifier().add(UDDIConstants.SORT_BY_DATE_ASC);
                          fs.getFindQualifiers().getFindQualifier().add(UDDIConstants.APPROXIMATE_MATCH);
                          fs.getFindQualifiers().getFindQualifier().add(UDDIConstants.SIGNATURE_PRESENT);
                          Name n = new Name();
                          n.setValue("%");
                          fs.getName().add(n);
                          ServiceList findService = inquiry.findService(fs);
                          for (int i = 0; i < findService.getServiceInfos().getServiceInfo().size(); i++) {
                                  System.out.println(listToString(findService.getServiceInfos().getServiceInfo().get(i).getName()));
                          }
                  } catch (Exception e) {
                          e.printStackTrace();
                  }
          }
  
          /**
           * Gets a UDDI style auth token, otherwise, appends credentials to the
           * ws proxies (not yet implemented)
           *
           * @param username
           * @param password
           * @param style
           * @return
          */
         private String getAuthKey(String username, String password) {
                 try {
 
                         GetAuthToken getAuthTokenRoot = new GetAuthToken();
                         getAuthTokenRoot.setUserID(username);
                         getAuthTokenRoot.setCred(password);
 
                         // Making API call that retrieves the authentication token for the 'root' user.
                         AuthToken rootAuthToken = security.getAuthToken(getAuthTokenRoot);
                         System.out.println("root AUTHTOKEN = " + "dont log auth tokens!");
                         return rootAuthToken.getAuthInfo();
                 } catch (Exception ex) {
                         System.out.println("Could not authenticate with the provided credentials " + ex.getMessage());
                 }
                 return null;
         }
 
         private String listToString(List<Name> name) {
                 StringBuilder sb = new StringBuilder();
                 for (int i = 0; i < name.size(); i++) {
                         sb.append(name.get(i).getValue()).append(" ");
                 }
                 return sb.toString();
         }
 }