/*
    * Copyright 2011 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.impl.document;
  
  import org.kuali.rice.kew.api.KewApiServiceLocator;
  import org.kuali.rice.kew.api.WorkflowDocument;
  import org.kuali.rice.kew.api.document.Document;
  import org.kuali.rice.kew.api.document.DocumentContentUpdate;
  import org.kuali.rice.kew.api.document.DocumentUpdate;
  import org.kuali.rice.kew.service.KEWServiceLocator;
  
  /**
   * TODO 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public final class DefaultWorkflowDocumentProvider implements WorkflowDocumentProvider {
  
  	@Override
  	public WorkflowDocument createDocument(String principalId, String documentTypeName, DocumentUpdate documentUpdate, DocumentContentUpdate documentContentUpdate) {
  		Document document = KewApiServiceLocator.getWorkflowDocumentActionsService().create(documentTypeName, principalId, documentUpdate, documentContentUpdate);
  		return initializePrototype(principalId, document);
  	}
  
  	@Override
  	public WorkflowDocument loadDocument(String principalId, String documentId) {
  		Document document = KewApiServiceLocator.getWorkflowDocumentService().getDocument(documentId);
  		if (document == null) {
  			throw new IllegalArgumentException("Failed to locate workflow document for given documentId: " + documentId);
  		}
  		return initializePrototype(principalId, document);
  	}
  	
  	private WorkflowDocumentPrototype initializePrototype(String principalId, Document document) {
  		WorkflowDocumentPrototype prototype = KEWServiceLocator.getWorkflowDocumentPrototype();
  		prototype.init(principalId, document);
  		return prototype;
  	}
  
  }