/*

  * 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.kew.xml.export;

 import org.jdom.Element;

 import org.kuali.rice.core.api.impex.ExportDataSet;

 import org.kuali.rice.core.api.util.xml.XmlRenderer;

 import org.kuali.rice.core.framework.impex.xml.XmlExporter;

 import org.kuali.rice.kew.export.KewExportDataSet;

 import org.kuali.rice.kim.api.group.Group;

 import org.kuali.rice.kim.api.services.KimApiServiceLocator;

 import org.kuali.rice.kim.api.type.KimType;

 import java.util.Iterator;

 import static org.kuali.rice.core.api.impex.xml.XmlConstants.*;

 /**

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

  *

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

  *

  */

 public class GroupXmlExporter implements XmlExporter {

     protected final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(getClass());

     private XmlRenderer renderer = new XmlRenderer(GROUP_NAMESPACE);

         @Override

         public boolean supportPrettyPrint() {

                 return true;

         }

     /**

      * This overridden method ...

      *

      * @see org.kuali.rice.core.framework.impex.xml.XmlExporter#export(org.kuali.rice.core.api.impex.ExportDataSet)

      */

     public Element export(ExportDataSet exportDataSet) {

             KewExportDataSet dataSet = KewExportDataSet.fromExportDataSet(exportDataSet);

         if (!dataSet.getGroups().isEmpty()) {

             Element rootElement = renderer.renderElement(null, GROUPS);

             rootElement.setAttribute(SCHEMA_LOCATION_ATTR, GROUP_SCHEMA_LOCATION, SCHEMA_NAMESPACE);

             for (Iterator iterator = dataSet.getGroups().iterator(); iterator.hasNext();) {

                 Group group = (Group) iterator.next();

                 exportGroup(rootElement, group);

             }

             return rootElement;

         }

         // TODO jjhanso - THIS METHOD NEEDS JAVADOCS

         return null;

     }

     /**

      * This method ...

      *

      * @param rootElement

      * @param group

      * @param object

      */

     private void exportGroup(Element parent, Group group) {

         Element groupElement = renderer.renderElement(parent, GROUP);

         if (group.getName() != null) {

             renderer.renderTextElement(groupElement, NAME, group.getName());

         }

         if (group.getNamespaceCode() != null) {

             renderer.renderTextElement(groupElement, NAMESPACE, group.getNamespaceCode());

         }

         if (group.getDescription() != null && !group.getDescription().trim().equals("")) {

             renderer.renderTextElement(groupElement, DESCRIPTION, group.getDescription());

         }

         renderer.renderTextElement(groupElement, ACTIVE, new Boolean(group.isActive()).toString());

         if (group.getKimTypeId() != null) {

             Element typeElement = renderer.renderElement(groupElement, TYPE);

             KimType kimType = KimApiServiceLocator.getKimTypeInfoService().getKimType(group.getKimTypeId());

             renderer.renderTextElement(typeElement, NAMESPACE, kimType.getNamespaceCode());

             renderer.renderTextElement(typeElement, NAME, kimType.getName());

         }

         if (group.getAttributes().size() > 0) {

             Element attributesElement = renderer.renderElement(groupElement, ATTRIBUTES);

             for (String key : group.getAttributes().keySet()) {

                 Element attributeElement = renderer.renderElement(attributesElement, ATTRIBUTE);

                 attributeElement.setAttribute(KEY, key);

                 attributeElement.setAttribute(VALUE, group.getAttributes().get(key));

             }

         }

         java.util.List<String> memberGroupIds = KimApiServiceLocator.getGroupService().getDirectMemberGroupIds(group.getId());

         java.util.List<String> memberPrincipalIds = KimApiServiceLocator.getGroupService().getDirectMemberPrincipalIds(

                 group.getId());

         if (memberGroupIds.size() > 0 || memberPrincipalIds.size() > 0) {

             Element membersElement = renderer.renderElement(groupElement, MEMBERS);

             for (String memberGroupId : memberGroupIds) {

                 Group memberGroup = KimApiServiceLocator.getGroupService().getGroup(memberGroupId);

                 Element groupNameElement = renderer.renderElement(membersElement, GROUP_NAME);

                 renderer.renderTextElement(groupNameElement, NAME, memberGroup.getName());

                 renderer.renderTextElement(groupNameElement, NAMESPACE, memberGroup.getNamespaceCode());

             }

             for (String memberPrincipalId : memberPrincipalIds) {

                 renderer.renderTextElement(membersElement, PRINCIPAL_NAME, KimApiServiceLocator.getIdentityService().getPrincipal(memberPrincipalId).getPrincipalName());

             }

         }

     }

 }