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/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.flowable.engine.impl.bpmn.helper;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;

public class DynamicPropertyUtil {
    
    public static String getActiveValue(String originalValue, String propertyName, ObjectNode taskElementProperties) {
        String activeValue = originalValue;
        if (taskElementProperties != null) {
            JsonNode overrideValueNode = taskElementProperties.get(propertyName);
            if (overrideValueNode != null) {
                if (overrideValueNode.isNull()) {
                    activeValue = null;
                } else {
                    activeValue = overrideValueNode.asText();
                }
            }
        }
        return activeValue;
    }
}