1 /*
2 * Copyright 2005-2007 The Kuali Foundation
3 *
4 *
5 * Licensed under the Educational Community License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.opensource.org/licenses/ecl2.php
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.kuali.rice.kew.engine.node.var.schemes;
19
20 import org.apache.log4j.Logger;
21 import org.kuali.rice.kew.engine.RouteContext;
22 import org.kuali.rice.kew.engine.node.BranchState;
23 import org.kuali.rice.kew.engine.node.service.BranchService;
24 import org.kuali.rice.kew.engine.node.var.Property;
25 import org.kuali.rice.kew.engine.node.var.PropertyScheme;
26 import org.kuali.rice.kew.service.KEWServiceLocator;
27
28
29 /**
30 * A property scheme that looks the property up in the state variable map
31 *
32 * @author Kuali Rice Team (rice.collab@kuali.org)
33 */
34 public final class VariableScheme implements PropertyScheme {
35 private static final Logger LOG = Logger.getLogger(VariableScheme.class);
36
37 public String getName() {
38 return "variable";
39 }
40 public String getShortName() {
41 return "var";
42 }
43
44 public Object load(Property property, RouteContext context) {
45 // try {
46 // return PropertyUtils.getProperty(doc.getVariables(), property.locator);
47 LOG.debug("getting variable: " + property.locator);
48 BranchService branchService = KEWServiceLocator.getBranchService();
49 String value = branchService.getScopedVariableValue(context.getNodeInstance().getBranch(), BranchState.VARIABLE_PREFIX + property.locator);
50 LOG.debug("variable '" + property.locator + "': " + value);
51 return value;
52
53 // } catch (NoSuchMethodException nsme) {
54 // throw new RuntimeException("Error loading resource: " + property.locator, nsme);
55 // } catch (InvocationTargetException ite) {
56 // throw new RuntimeException("Error loading resource: " + property.locator, ite);
57 // } catch (IllegalAccessException iae) {
58 // throw new RuntimeException("Error loading resource: " + property.locator, iae);
59 // }
60 }
61
62 public String toString() {
63 return "[VariableScheme]";
64 }
65 }