/*

  * Copyright 2007-2008 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  *

  * 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.kuali.rice.kns.web.struts.form;

 import java.security.GeneralSecurityException;

 import java.util.HashMap;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Map;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.encryption.EncryptionService;

 import org.kuali.rice.core.api.services.CoreApiServiceLocator;

 import org.kuali.rice.kns.bo.BusinessObject;

 import org.kuali.rice.kns.service.BusinessObjectAuthorizationService;

 import org.kuali.rice.kns.service.KNSServiceLocator;

 import org.kuali.rice.kns.service.KNSServiceLocatorWeb;

 /**

  * This is a description of what this class does - wliang don't forget to fill this in. 

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class DisplayInactivationBlockersForm extends KualiForm {

     private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(DisplayInactivationBlockersForm.class);

         private String businessObjectClassName;

         private Map<String, String> primaryKeyFieldValues;

         private Map<String, List<String>> blockingValues;

         @Override

         public void populate(HttpServletRequest request) {

                 super.populate(request);

                 primaryKeyFieldValues = new HashMap<String, String>();

                 if (StringUtils.isBlank(businessObjectClassName)) {

                         throw new IllegalArgumentException("BO Class Name missing.");

                 }

                 Class businessObjectClass = null;

                 try {

                         businessObjectClass = Class.forName(businessObjectClassName);

                 } catch (ClassNotFoundException e) {

                         LOG.error("Unable to find class: " + businessObjectClassName, e);

                         throw new IllegalArgumentException("Unable to find class: " + businessObjectClassName, e);

                 }

                 if (!BusinessObject.class.isAssignableFrom(businessObjectClass)) {

                         LOG.error("BO Class is not a BusinessObject: " + businessObjectClassName);

                         throw new IllegalArgumentException("BO Class is not a BusinessObject: " + businessObjectClassName);

                 }

                 EncryptionService encryptionService = CoreApiServiceLocator.getEncryptionService();

                 BusinessObjectAuthorizationService businessObjectAuthorizationService = KNSServiceLocatorWeb.getBusinessObjectAuthorizationService();

                 List primaryKeyFieldNames = KNSServiceLocatorWeb.getBusinessObjectMetaDataService().listPrimaryKeyFieldNames(businessObjectClass);

                 for (Iterator i = primaryKeyFieldNames.iterator(); i.hasNext();) {

                         String primaryKeyFieldName = (String) i.next();

                         String primaryKeyFieldValue = request.getParameter(primaryKeyFieldName);

                         if (StringUtils.isBlank(primaryKeyFieldValue)) {

                                 LOG.error("Missing primary key value for: " + primaryKeyFieldName);

                                 throw new IllegalArgumentException("Missing primary key value for: " + primaryKeyFieldName);

                         }

             // check if field is a secure

             if (businessObjectAuthorizationService.attributeValueNeedsToBeEncryptedOnFormsAndLinks(businessObjectClass, primaryKeyFieldName)) {

                 try {

                         primaryKeyFieldValue = encryptionService.decrypt(primaryKeyFieldValue);

                 }

                 catch (GeneralSecurityException e) {

                     LOG.error("Unable to decrypt secure field for BO " + businessObjectClassName + " field " + primaryKeyFieldName, e);

                     throw new RuntimeException("Unable to decrypt secure field for BO " + businessObjectClassName + " field " + primaryKeyFieldName, e);

                 }

             }

                         primaryKeyFieldValues.put(primaryKeyFieldName, primaryKeyFieldValue);

                 }

         }

         public String getBusinessObjectClassName() {

                 return this.businessObjectClassName;

         }

         public void setBusinessObjectClassName(String businessObjectClassName) {

                 this.businessObjectClassName = businessObjectClassName;

         }

         public Map<String, String> getPrimaryKeyFieldValues() {

                 return this.primaryKeyFieldValues;

         }

         public void setPrimaryKeyFieldValues(Map<String, String> primaryKeyFieldValues) {

                 this.primaryKeyFieldValues = primaryKeyFieldValues;

         }

         public Map<String, List<String>> getBlockingValues() {

                 return this.blockingValues;

         }

         public void setBlockingValues(Map<String, List<String>> blockingValues) {

                 this.blockingValues = blockingValues;

         }        

 }