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.kew.engine.node.var.schemes;
17
18 import org.apache.log4j.Logger;
19 import org.kuali.rice.kew.engine.RouteContext;
20 import org.kuali.rice.kew.engine.node.BranchState;
21 import org.kuali.rice.kew.engine.node.service.BranchService;
22 import org.kuali.rice.kew.engine.node.var.Property;
23 import org.kuali.rice.kew.engine.node.var.PropertyScheme;
24 import org.kuali.rice.kew.service.KEWServiceLocator;
25
26
27 /**
28 * A property scheme that looks the property up in the state variable map
29 *
30 * @author Kuali Rice Team (rice.collab@kuali.org)
31 */
32 public final class VariableScheme implements PropertyScheme {
33 private static final Logger LOG = Logger.getLogger(VariableScheme.class);
34
35 public String getName() {
36 return "variable";
37 }
38 public String getShortName() {
39 return "var";
40 }
41
42 public Object load(Property property, RouteContext context) {
43 // try {
44 // return PropertyUtils.getProperty(doc.getVariables(), property.locator);
45 LOG.debug("getting variable: " + property.locator);
46 BranchService branchService = KEWServiceLocator.getBranchService();
47 String value = branchService.getScopedVariableValue(context.getNodeInstance().getBranch(), BranchState.VARIABLE_PREFIX + property.locator);
48 LOG.debug("variable '" + property.locator + "': " + value);
49 return value;
50
51 // } catch (NoSuchMethodException nsme) {
52 // throw new RuntimeException("Error loading resource: " + property.locator, nsme);
53 // } catch (InvocationTargetException ite) {
54 // throw new RuntimeException("Error loading resource: " + property.locator, ite);
55 // } catch (IllegalAccessException iae) {
56 // throw new RuntimeException("Error loading resource: " + property.locator, iae);
57 // }
58 }
59
60 public String toString() {
61 return "[VariableScheme]";
62 }
63 }