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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.activiti.bpmn.converter.parser;

import javax.xml.stream.XMLStreamReader;

import org.activiti.bpmn.constants.BpmnXMLConstants;
import org.activiti.bpmn.converter.util.BpmnXMLUtil;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.bpmn.model.Signal;

/**
 * @author Tijs Rademakers
 */
public class SignalParser implements BpmnXMLConstants {

  public void parse(XMLStreamReader xtr, BpmnModel model) throws Exception {
    String signalId = xtr.getAttributeValue(null, ATTRIBUTE_ID);
    String signalName = xtr.getAttributeValue(null, ATTRIBUTE_NAME);

    Signal signal = new Signal(signalId, signalName);

    String scope = xtr.getAttributeValue(ACTIVITI_EXTENSIONS_NAMESPACE, ATTRIBUTE_SCOPE);
    if (scope != null) {
      signal.setScope(scope);
    }

    BpmnXMLUtil.addXMLLocation(signal, xtr);
    BpmnXMLUtil.parseChildElements(ELEMENT_SIGNAL, signal, xtr, model);
    model.addSignal(signal);
  }
}