/*
    * Copyright 2011 Vincent Behar
    *
    * 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.rundeck.api.parser;
  
  import java.util.Date;
  import org.apache.commons.lang.StringUtils;
  import org.dom4j.Node;
  import org.rundeck.api.domain.RundeckEvent;
  import org.rundeck.api.domain.RundeckEvent.EventStatus;
  import org.rundeck.api.domain.RundeckEvent.NodeSummary;
  
  /**
   * Parser for a single {@link RundeckEvent}
   * 
   * @author Vincent Behar
   */
  public class EventParser implements XmlNodeParser<RundeckEvent> {
  
      private String xpath;
  
      public EventParser() {
          super();
      }
  
      /**
       * @param xpath of the event element if it is not the root node
       */
      public EventParser(String xpath) {
          super();
          this.xpath = xpath;
      }
  
      @Override
      public RundeckEvent parseXmlNode(Node node) {
          Node eventNode = xpath != null ? node.selectSingleNode(xpath) : node;
  
          RundeckEvent event = new RundeckEvent();
  
          event.setTitle(StringUtils.trimToNull(eventNode.valueOf("title")));
          try {
              event.setStatus(EventStatus.valueOf(StringUtils.upperCase(eventNode.valueOf("status"))));
          } catch (IllegalArgumentException e) {
              event.setStatus(null);
          }
          event.setSummary(StringUtils.trimToNull(eventNode.valueOf("summary")));
  
          NodeSummary nodeSummary = new NodeSummary();
          nodeSummary.setSucceeded(Integer.valueOf(eventNode.valueOf("node-summary/@succeeded")));
          nodeSummary.setFailed(Integer.valueOf(eventNode.valueOf("node-summary/@failed")));
          nodeSummary.setTotal(Integer.valueOf(eventNode.valueOf("node-summary/@total")));
          event.setNodeSummary(nodeSummary);
  
          event.setUser(StringUtils.trimToNull(eventNode.valueOf("user")));
          event.setProject(StringUtils.trimToNull(eventNode.valueOf("project")));
          String startedAt = StringUtils.trimToNull(eventNode.valueOf("@starttime"));
          if (startedAt != null) {
              event.setStartedAt(new Date(Long.valueOf(startedAt)));
          }
          String endedAt = StringUtils.trimToNull(eventNode.valueOf("@endtime"));
          if (endedAt != null) {
              event.setEndedAt(new Date(Long.valueOf(endedAt)));
          }
          event.setAbortedBy(StringUtils.trimToNull(eventNode.valueOf("abortedby")));
          try {
              event.setExecutionId(Long.valueOf(eventNode.valueOf("execution/@id")));
          } catch (NumberFormatException e) {
              event.setExecutionId(null);
          }
          event.setJobId(StringUtils.trimToNull(eventNode.valueOf("job/@id")));
  
          return event;
      }
  
  }