001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.kew.engine.node.var.schemes;
017
018import org.apache.log4j.Logger;
019import org.kuali.rice.kew.engine.RouteContext;
020import org.kuali.rice.kew.engine.node.BranchState;
021import org.kuali.rice.kew.engine.node.service.BranchService;
022import org.kuali.rice.kew.engine.node.var.Property;
023import org.kuali.rice.kew.engine.node.var.PropertyScheme;
024import org.kuali.rice.kew.service.KEWServiceLocator;
025
026
027/**
028 * A property scheme that looks the property up in the state variable map
029 * 
030 * @author Kuali Rice Team (rice.collab@kuali.org)
031 */
032public final class VariableScheme implements PropertyScheme {
033    private static final Logger LOG = Logger.getLogger(VariableScheme.class);
034
035    public String getName() {
036        return "variable";
037    }
038    public String getShortName() {
039        return "var";
040    }
041
042    public Object load(Property property, RouteContext context) {
043//        try {
044//            return PropertyUtils.getProperty(doc.getVariables(), property.locator);
045            LOG.debug("getting variable: " + property.locator);
046            BranchService branchService = KEWServiceLocator.getBranchService();
047            String value = branchService.getScopedVariableValue(context.getNodeInstance().getBranch(), BranchState.VARIABLE_PREFIX + property.locator);
048            LOG.debug("variable '" + property.locator + "': " + value);
049            return value;
050
051//        } catch (NoSuchMethodException nsme) {
052//            throw new RuntimeException("Error loading resource: " + property.locator, nsme);
053//        } catch (InvocationTargetException ite) {
054//            throw new RuntimeException("Error loading resource: " + property.locator, ite);
055//        } catch (IllegalAccessException iae) {
056//            throw new RuntimeException("Error loading resource: " + property.locator, iae);
057//        }
058    }
059
060    public String toString() {
061        return "[VariableScheme]";
062    }
063}