/*

  * Copyright 2005-2008 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.rule;

 import java.util.ArrayList;

 import java.util.List;

 import org.kuali.rice.kew.exception.WorkflowException;

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

 import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 import org.kuali.rice.kew.util.Utilities;

 /**

  * RolePoker implementation which handles initiating refresh of the "poked" role.

  *

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

  */

 public class RolePokerProcessor implements RolePoker {

         public void reResolveRole(Long documentId, String roleName, String qualifiedRoleNameLabel) {

                 KEWServiceLocator.getRouteHeaderService().lockRouteHeader(documentId, true);

                 if (Utilities.isEmpty(roleName)) {

                         throw new IllegalArgumentException("Can't poke a role without a role name!");

                 }

                 DocumentRouteHeaderValue document = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId);

                 try {

                 if (qualifiedRoleNameLabel == null) {

                         KEWServiceLocator.getRoleService().reResolveRole(document, roleName);

                 } else {

                         KEWServiceLocator.getRoleService().reResolveQualifiedRole(document, roleName, qualifiedRoleNameLabel);

                 }

                 } catch (WorkflowException e) {

                         throw new WorkflowRuntimeException(e);

                 }

         }

         public void reResolveRole(Long documentId, String roleName) {

                 reResolveRole(documentId, roleName, null);

         }

         private String[] parseParameters(String parameters) {

                 List strings = new ArrayList();

                 boolean isEscaped = false;

                 StringBuffer buffer = new StringBuffer();

                 for (int index = 0; index < parameters.length(); index++) {

                         char character = parameters.charAt(index);

                         if (isEscaped) {

                                 isEscaped = false;

                                 buffer.append(character);

                         } else {

                                 if (character == '\\') {

                                         isEscaped = true;

                                 } else if (character == ',') {

                                         strings.add(buffer.toString());

                                         buffer = new StringBuffer();

                                 } else {

                                         buffer.append(character);

                                 }

                         }

                 }

                 return (String[])strings.toArray(new String[0]);

         }

 }