content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.apache.camel.component.smpp;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.Message;
  import org.jsmpp.session.SMPPSession;
  
  public enum SmppCommandType {
  
      SUBMIT_SM("SubmitSm") {
          @Override
          public SmppSubmitSmCommand createCommand(SMPPSession session, SmppConfiguration config) {
              return new SmppSubmitSmCommand(session, config);
          }
      },
      REPLACE_SM("ReplaceSm") {
          @Override
          public SmppReplaceSmCommand createCommand(SMPPSession session, SmppConfiguration config) {
              return new SmppReplaceSmCommand(session, config);
          }
      },
      QUERY_SM("QuerySm") {
          @Override
          public SmppQuerySmCommand createCommand(SMPPSession session, SmppConfiguration config) {
              return new SmppQuerySmCommand(session, config);
          }
      },
      SUBMIT_MULTI("SubmitMulti") {
          @Override
          public SmppSubmitMultiCommand createCommand(SMPPSession session, SmppConfiguration config) {
              return new SmppSubmitMultiCommand(session, config);
          }
      },
      CANCEL_SM("CancelSm") {
          @Override
          public SmppCancelSmCommand createCommand(SMPPSession session, SmppConfiguration config) {
              return new SmppCancelSmCommand(session, config);
          }
      },
      DATA_SHORT_MESSAGE("DataSm") {
          @Override
          public SmppDataSmCommand createCommand(SMPPSession session, SmppConfiguration config) {
              return new SmppDataSmCommand(session, config);
          }
      };
  
      private final String commandName;
  
      SmppCommandType(String commandName) {
          this.commandName = commandName;
      }
  
      public String getCommandName() {
          return commandName;
      }
  
      public abstract SmppCommand createCommand(SMPPSession session, SmppConfiguration config);
  
      /**
       * Tries to return an instance of {@link SmppCommandType} using {@link SmppConstants#COMMAND} header of the incoming
       * message.
       * <p/>
       * Returns {@link #SUBMIT_SM} if there is no {@link SmppConstants#COMMAND} header in the incoming message or value
       * of such a header cannot be recognized.
       * <p/>
       * The valid values for the {@link SmppConstants#COMMAND} header are: <span style="font: bold;">SubmitSm</span>
       * <span style="font: bold;">ReplaceSm</span>, <span style="font: bold;">QuerySm</span>,
       * <span style="font: bold;">SubmitMulti</span>, <span style="font: bold;">CancelSm</span>,
       * <span style="font: bold;">DataSm</span>.
       *
       * @param  exchange an exchange to get an incoming message from
       * @return          an instance of {@link SmppCommandType}
       */
      public static SmppCommandType fromExchange(Exchange exchange) {
          Message in = exchange.getIn();
  
          String commandName = null;
          if (in.getHeaders().containsKey(SmppConstants.COMMAND)) {
              commandName = in.getHeader(SmppConstants.COMMAND, String.class);
          }
  
          SmppCommandType commandType = SUBMIT_SM;
          for (SmppCommandType nextCommandType : values()) {
              if (nextCommandType.commandName.equals(commandName)) {
                  commandType = nextCommandType;
                  break;
              }
          }
  
          return commandType;
      }
  }
  