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 java.io.UnsupportedEncodingException;
  import java.nio.charset.Charset;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.support.DefaultMessage;
  import org.apache.camel.support.ExchangeHelper;
  import org.apache.camel.util.ObjectHelper;
  import org.jsmpp.bean.AlertNotification;
  import org.jsmpp.bean.Alphabet;
  import org.jsmpp.bean.Command;
  import org.jsmpp.bean.DataSm;
  import org.jsmpp.bean.DeliverSm;
  import org.jsmpp.bean.MessageRequest;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Represents a {@link org.apache.camel.Message} for working with SMPP
   */
  public class SmppMessage extends DefaultMessage {
      private static final Logger LOG = LoggerFactory.getLogger(SmppMessage.class);
      private Command command;
      private SmppConfiguration configuration;
  
      public SmppMessage(CamelContext camelContext, Command command, SmppConfiguration configuration) {
          super(camelContext);
          this.command = command;
          this.configuration = configuration;
      }
  
      @Override
      public SmppMessage newInstance() {
          return new SmppMessage(getCamelContext(), null, this.configuration);
      }
  
      public boolean isAlertNotification() {
          return command instanceof AlertNotification;
      }
  
      public boolean isDataSm() {
          return command instanceof DataSm;
      }
  
      public boolean isDeliverSm() {
          return command instanceof DeliverSm && !((DeliverSm) command).isSmscDeliveryReceipt();
      }
  
      public boolean isDeliveryReceipt() {
          return command instanceof DeliverSm && ((DeliverSm) command).isSmscDeliveryReceipt();
      }
  
      @Override
      protected Object createBody() {
          if (command instanceof MessageRequest) {
              MessageRequest msgRequest = (MessageRequest) command;
              byte[] shortMessage = msgRequest.getShortMessage();
              if (shortMessage == null || shortMessage.length == 0) {
                  return null;
              }
              Alphabet alphabet = Alphabet.parseDataCoding(msgRequest.getDataCoding());
              if (SmppUtils.is8Bit(alphabet)) {
                  return shortMessage;
              }
  
              String encoding = ExchangeHelper.getCharsetName(getExchange(), false);
              if (ObjectHelper.isEmpty(encoding) || !Charset.isSupported(encoding)) {
                  encoding = configuration.getEncoding();
              }
              try {
                  return new String(shortMessage, encoding);
              } catch (UnsupportedEncodingException e) {
                  LOG.info("Unsupported encoding \"{}\". Using system default encoding.", encoding);
              }
              return new String(shortMessage);
          }
  
          return null;
      }
  
      @Override
      public String toString() {
          if (command != null) {
              return "SmppMessage: " + command;
          } else {
              return "SmppMessage: " + getBody();
          }
      }
  
      /**
       * Returns the underlying jSMPP command
       *
       * @return command
       */
      public Command getCommand() {
          return command;
      }
  }
  