/**

  * Copyright 2005-2011 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.impl.document;

 import org.apache.commons.lang.StringUtils;

 import org.apache.log4j.Logger;

 import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;

 import org.kuali.rice.kew.api.WorkflowRuntimeException;

 import org.kuali.rice.kew.api.document.DocumentProcessingOptions;

 import org.kuali.rice.kew.api.document.DocumentProcessingQueue;

 import org.kuali.rice.kew.api.document.attribute.DocumentAttributeIndexingQueue;

 import org.kuali.rice.kew.engine.OrchestrationConfig;

 import org.kuali.rice.kew.engine.WorkflowEngine;

 import org.kuali.rice.kew.engine.WorkflowEngineFactory;

 import javax.jws.WebParam;

 import java.util.Collections;

 /**

  * Reference implementation of the {@code DocumentProcessingQueue}.

  *

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

  */

 public class DocumentProcessingQueueImpl implements DocumentProcessingQueue {

     private static final Logger LOG = Logger.getLogger(DocumentProcessingQueueImpl.class);

     private WorkflowEngineFactory workflowEngineFactory;

     private DocumentAttributeIndexingQueue documentAttributeIndexingQueue;

     @Override

     public void process(@WebParam(name = "documentId") String documentId) {

         processWithOptions(documentId, null);

     }

     @Override

     public void processWithOptions(@WebParam(name = "documentId") String documentId,

             @WebParam(name = "options") DocumentProcessingOptions options) {

         if (StringUtils.isBlank(documentId)) {

             throw new RiceIllegalArgumentException("documentId was a null or blank value");

         }

         if (options == null) {

             options = DocumentProcessingOptions.createDefault();

         }

         OrchestrationConfig config = new OrchestrationConfig(OrchestrationConfig.EngineCapability.STANDARD,

                 Collections.<String>emptySet(), null, options.isSendNotifications(), options.isRunPostProcessor());

         WorkflowEngine engine = getWorkflowEngineFactory().newEngine(config);

         try {

                         engine.process(documentId, null);

                 } catch (Exception e) {

                         LOG.error("Failed to process document through the workflow engine", e);

             if (e instanceof RuntimeException) {

                 throw (RuntimeException)e;

             }

                         throw new WorkflowRuntimeException(e);

                 }

         if (options.isIndexSearchAttributes()) {

             getDocumentAttributeIndexingQueue().indexDocument(documentId);

         }

     }

     public WorkflowEngineFactory getWorkflowEngineFactory() {

         return workflowEngineFactory;

     }

     public void setWorkflowEngineFactory(WorkflowEngineFactory workflowEngineFactory) {

         this.workflowEngineFactory = workflowEngineFactory;

     }

     public DocumentAttributeIndexingQueue getDocumentAttributeIndexingQueue() {

         return documentAttributeIndexingQueue;

     }

     public void setDocumentAttributeIndexingQueue(DocumentAttributeIndexingQueue documentAttributeIndexingQueue) {

         this.documentAttributeIndexingQueue = documentAttributeIndexingQueue;

     }

 }