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16 package org.kuali.rice.kew.actions;
17
18 import org.apache.commons.lang.StringUtils;
19 import org.apache.log4j.Logger;
20 import org.kuali.rice.core.api.reflect.DataDefinition;
21 import org.kuali.rice.core.api.reflect.ObjectDefinition;
22 import org.kuali.rice.core.api.util.ClassLoaderUtils;
23 import org.kuali.rice.core.framework.resourceloader.ObjectDefinitionResolver;
24 import org.kuali.rice.kew.actionrequest.ActionRequestValue;
25 import org.kuali.rice.kew.api.WorkflowRuntimeException;
26 import org.kuali.rice.kew.api.action.ActionRequestStatus;
27 import org.kuali.rice.kew.api.action.ActionType;
28 import org.kuali.rice.kew.api.exception.ResourceUnavailableException;
29 import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;
30 import org.kuali.rice.kew.api.KewApiConstants;
31 import org.kuali.rice.kim.api.identity.principal.PrincipalContract;
32
33 import java.util.ArrayList;
34 import java.util.Collections;
35 import java.util.HashMap;
36 import java.util.List;
37 import java.util.Map;
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45
46 public class ActionRegistryImpl implements ActionRegistry {
47 private static final Logger LOG = Logger.getLogger(ActionRegistryImpl.class);
48
49 private static Map<String, String> actionMap = new HashMap<String, String>();
50 static {
51 actionMap.put(KewApiConstants.ACTION_TAKEN_ACKNOWLEDGED_CD, AcknowledgeAction.class.getName());
52 actionMap.put(KewApiConstants.ACTION_TAKEN_ADHOC_CD, AdHocAction.class.getName());
53 actionMap.put(KewApiConstants.ACTION_TAKEN_ADHOC_REVOKED_CD, RevokeAdHocAction.class.getName());
54 actionMap.put(KewApiConstants.ACTION_TAKEN_APPROVED_CD, ApproveAction.class.getName());
55 actionMap.put(KewApiConstants.ACTION_TAKEN_BLANKET_APPROVE_CD, BlanketApproveAction.class.getName());
56 actionMap.put(KewApiConstants.ACTION_TAKEN_CANCELED_CD, CancelAction.class.getName());
57 actionMap.put(KewApiConstants.ACTION_TAKEN_COMPLETED_CD, CompleteAction.class.getName());
58 actionMap.put(KewApiConstants.ACTION_TAKEN_ROUTED_CD, RouteDocumentAction.class.getName());
59 actionMap.put(KewApiConstants.ACTION_TAKEN_DENIED_CD, DisapproveAction.class.getName());
60 actionMap.put(KewApiConstants.ACTION_TAKEN_FYI_CD, ClearFYIAction.class.getName());
61 actionMap.put(KewApiConstants.ACTION_TAKEN_LOG_DOCUMENT_ACTION_CD, LogDocumentActionAction.class.getName());
62 actionMap.put(KewApiConstants.ACTION_TAKEN_MOVE_CD, MoveDocumentAction.class.getName());
63 actionMap.put(KewApiConstants.ACTION_TAKEN_TAKE_WORKGROUP_AUTHORITY_CD, TakeWorkgroupAuthority.class.getName());
64 actionMap.put(KewApiConstants.ACTION_TAKEN_RELEASE_WORKGROUP_AUTHORITY_CD, ReleaseWorkgroupAuthority.class.getName());
65 actionMap.put(KewApiConstants.ACTION_TAKEN_RETURNED_TO_PREVIOUS_CD, ReturnToPreviousNodeAction.class.getName());
66 actionMap.put(KewApiConstants.ACTION_TAKEN_SAVED_CD, SaveActionEvent.class.getName());
67
68 actionMap.put(KewApiConstants.ACTION_TAKEN_SU_ACTION_REQUEST_APPROVED_CD, SuperUserActionRequestApproveEvent.class.getName());
69
70
71 actionMap.put(KewApiConstants.ACTION_TAKEN_SU_APPROVED_CD, SuperUserApproveEvent.class.getName());
72 actionMap.put(KewApiConstants.ACTION_TAKEN_SU_CANCELED_CD, SuperUserCancelEvent.class.getName());
73 actionMap.put(KewApiConstants.ACTION_TAKEN_SU_DISAPPROVED_CD, SuperUserDisapproveEvent.class.getName());
74 actionMap.put(KewApiConstants.ACTION_TAKEN_SU_RETURNED_TO_PREVIOUS_CD, SuperUserReturnToPreviousNodeAction.class.getName());
75 actionMap.put(KewApiConstants.ACTION_TAKEN_SU_ROUTE_LEVEL_APPROVED_CD, SuperUserNodeApproveEvent.class.getName());
76 }
77
78 public void registerAction(String actionCode, String actionClass) {
79 if (actionClass == null) {
80 throw new IllegalArgumentException("Action Code '" + actionCode + "' cannot be registered with a null action class.");
81 }
82 if (actionMap.containsKey(actionCode)) {
83 throw new WorkflowRuntimeException("Action Code is already in use. [" +
84 actionCode + ", " + actionClass + "]. "+
85 "Please unregister the existing implementation first.");
86 }
87 actionMap.put(actionCode, actionClass);
88 }
89
90 public void unregisterAction(String actionCode) {
91 actionMap.remove(actionCode);
92 }
93
94 public Map getActionMap() {
95 return Collections.unmodifiableMap(actionMap);
96 }
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98
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100
101 public ActionTakenEvent createAction(String actionCode, List<DataDefinition> parameters) throws ResourceUnavailableException {
102 String actionClassName = actionMap.get(actionCode);
103 if (actionClassName == null) {
104 throw new IllegalArgumentException("No action has been registered for the given action code of '" + actionCode + "'.");
105 }
106 ObjectDefinition actionDefinition = new ObjectDefinition(actionClassName);
107 if (parameters != null && !parameters.isEmpty()) {
108 actionDefinition.setConstructorParameters(parameters);
109 }
110 try {
111
112
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114 ActionTakenEvent actionTaken = (ActionTakenEvent) ObjectDefinitionResolver.createObject(actionDefinition, ClassLoaderUtils.getDefaultClassLoader(), false);
115 if (actionTaken == null) {
116
117 throw new ResourceUnavailableException("Could not locate action taken class '" + actionClassName + "'");
118 }
119 return actionTaken;
120 } catch (Exception e) {
121 LOG.debug("createAction() Exception thrown while working with action class name '" + actionClassName + "'");
122 if (e instanceof ResourceUnavailableException) {
123 throw (ResourceUnavailableException)e;
124 }
125 throw new ResourceUnavailableException(e);
126 }
127 }
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131
132 public ValidActions getValidActions(PrincipalContract principal, DocumentRouteHeaderValue document) throws ResourceUnavailableException {
133 ValidActions validActions = new ValidActions();
134 ArrayList<ActionRequestValue> activeRequests = new ArrayList<ActionRequestValue>();
135 for ( ActionRequestValue ar : document.getActionRequests() ) {
136 if ( (ar.getCurrentIndicator() != null && ar.getCurrentIndicator()) && StringUtils.equals( ar.getStatus(), ActionRequestStatus.ACTIVATED.getCode() ) ) {
137 activeRequests.add(ar);
138 }
139 }
140 for (String actionTakenCode : actionMap.keySet())
141 {
142 List<DataDefinition> parameters = new ArrayList<DataDefinition>();
143 parameters.add(new DataDefinition(document));
144 parameters.add(new DataDefinition(principal));
145 ActionTakenEvent actionEvent = createAction(actionTakenCode, parameters);
146 if (StringUtils.isEmpty(actionEvent.validateActionRules(activeRequests)))
147 {
148 validActions.addActionTakenCode(actionTakenCode);
149 }
150 }
151 return validActions;
152 }
153
154 public org.kuali.rice.kew.api.action.ValidActions getNewValidActions(PrincipalContract principal, DocumentRouteHeaderValue document) {
155 try {
156 org.kuali.rice.kew.api.action.ValidActions.Builder builder = org.kuali.rice.kew.api.action.ValidActions.Builder.create();
157 List<ActionRequestValue> activeRequests = new ArrayList<ActionRequestValue>();
158 for ( ActionRequestValue ar : document.getActionRequests() ) {
159 if ( (ar.getCurrentIndicator() != null && ar.getCurrentIndicator()) && StringUtils.equals( ar.getStatus(), ActionRequestStatus.ACTIVATED.getCode() ) ) {
160 activeRequests.add(ar);
161 }
162 }
163 for (String actionTakenCode : actionMap.keySet())
164 {
165 List<DataDefinition> parameters = new ArrayList<DataDefinition>();
166 parameters.add(new DataDefinition(document));
167 parameters.add(new DataDefinition(principal));
168 ActionTakenEvent actionEvent = createAction(actionTakenCode, parameters);
169 if (StringUtils.isEmpty(actionEvent.validateActionRules(activeRequests)))
170 {
171 builder.addValidAction(ActionType.fromCode(actionTakenCode));
172 }
173 }
174 return builder.build();
175 } catch (ResourceUnavailableException e) {
176 throw new WorkflowRuntimeException(e);
177 }
178 }
179 }