1 /**
2 * Copyright 2005-2014 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.krad.uif.lifecycle.initialize;
17
18 import org.kuali.rice.krad.uif.lifecycle.ViewLifecycle;
19 import org.kuali.rice.krad.uif.lifecycle.ViewLifecyclePhase;
20 import org.kuali.rice.krad.datadictionary.uif.UifDictionaryBean;
21 import org.kuali.rice.krad.uif.lifecycle.ViewLifecycleTaskBase;
22
23 /**
24 * Populate property values on the component from the expression graph.
25 *
26 * @author Kuali Rice Team (rice.collab@kuali.org)
27 */
28 public class PopulateComponentFromExpressionGraphTask extends ViewLifecycleTaskBase<UifDictionaryBean> {
29
30 /**
31 * Constructor.
32 *
33 * @param phase The initialize phase for the component.
34 */
35 public PopulateComponentFromExpressionGraphTask(ViewLifecyclePhase phase) {
36 super(phase, UifDictionaryBean.class);
37 }
38
39 /**
40 * {@inheritDoc}
41 */
42 @Override
43 protected void performLifecycleTask() {
44 // the component can have an expression graph for which the expressions need pulled to
45 // the list the expression service will evaluate
46 if (!getElementState().getElement().getId().startsWith("null")) {
47 ViewLifecycle.getExpressionEvaluator()
48 .populatePropertyExpressionsFromGraph((UifDictionaryBean) getElementState().getElement(), true);
49 }
50 }
51
52 }