1 /**
2 * Copyright 2005-2012 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.krms.impl.validation;
17
18 import org.kuali.rice.krms.api.engine.ExecutionEnvironment;
19 import org.kuali.rice.krms.framework.engine.Action;
20 import org.kuali.rice.krms.framework.type.ValidationActionType;
21 import org.kuali.rice.krms.framework.type.ValidationActionTypeService;
22
23 /**
24 * An {@link Action} that when executed appends its type and message to the results
25 *
26 * @author Kuali Rice Team (rice.collab@kuali.org)
27 */
28 public class ValidationAction implements Action {
29
30
31 private final ValidationActionType type;
32 private final String message;
33
34 /**
35 * create a Validation action of the given type with the given message
36 * @param type {@link ValidationActionType}
37 * @param message for when action executes
38 */
39 public ValidationAction(ValidationActionType type, String message) {
40 if (type == null) throw new IllegalArgumentException("type must not be null");
41
42 this.type = type;
43 this.message = message;
44 }
45
46 @Override
47 public void execute(ExecutionEnvironment environment) {
48 // create or extend an existing attribute on the EngineResults to communicate the selected Validation and
49 // action
50
51 Object value = environment.getEngineResults().getAttribute(ValidationActionTypeService.VALIDATIONS_ACTION_ATTRIBUTE);
52 StringBuilder selectedAttributesStringBuilder = new StringBuilder();
53
54 if (value != null) {
55 // assume the value is what we think it is
56 selectedAttributesStringBuilder.append(value.toString());
57 // we need a comma after the initial value
58 selectedAttributesStringBuilder.append(",");
59 }
60
61 // add our people flow action to the string using our convention
62 selectedAttributesStringBuilder.append(type.getCode());
63 selectedAttributesStringBuilder.append(":");
64 selectedAttributesStringBuilder.append(message);
65
66 // set our attribute on the engine results
67 environment.getEngineResults().setAttribute(ValidationActionTypeService.VALIDATIONS_ACTION_ATTRIBUTE,
68 selectedAttributesStringBuilder.toString()
69 );
70 }
71
72 @Override
73 public void executeSimulation(ExecutionEnvironment environment) {
74 // our action doesn't need special handling during simulations
75 execute(environment);
76 }
77 }