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 com.cloud.hypervisor.xenserver.resource.wrapper.xenbase;
  
  import java.util.Set;
  
  import org.apache.commons.collections.CollectionUtils;
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.CheckGuestOsMappingAnswer;
  import com.cloud.agent.api.CheckGuestOsMappingCommand;
  import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  import com.xensource.xenapi.Connection;
  import com.xensource.xenapi.VM;
  
  @ResourceWrapper(handles =  CheckGuestOsMappingCommand.class)
  public final class CitrixCheckGuestOsMappingCommandWrapper extends CommandWrapper<CheckGuestOsMappingCommand, Answer, CitrixResourceBase> {
  
      @Override
      public Answer execute(final CheckGuestOsMappingCommand command, final CitrixResourceBase citrixResourceBase) {
          final Connection conn = citrixResourceBase.getConnection();
          String guestOsName = command.getGuestOsName();
          String guestOsMappingName = command.getGuestOsHypervisorMappingName();
          try {
              logger.info("Checking guest os mapping name: " + guestOsMappingName + " for the guest os: " + guestOsName + " in the hypervisor");
              final Set<VM> vms = VM.getAll(conn);
              if (CollectionUtils.isEmpty(vms)) {
                  return new CheckGuestOsMappingAnswer(command, "Unable to match guest os mapping name: " + guestOsMappingName + " in the hypervisor");
              }
              for (VM vm : vms) {
                  if (vm != null && vm.getIsATemplate(conn) && guestOsMappingName.equalsIgnoreCase(vm.getNameLabel(conn))) {
                      if (guestOsName.equalsIgnoreCase(vm.getNameLabel(conn))) {
                          logger.debug("Hypervisor guest os name label matches with os name: " + guestOsName);
                      }
                      logger.info("Hypervisor guest os name label matches with os mapping: " + guestOsMappingName + " from user");
                      return new CheckGuestOsMappingAnswer(command);
                  }
              }
              return new CheckGuestOsMappingAnswer(command, "Guest os mapping name: " + guestOsMappingName + " not found in the hypervisor");
          } catch (final Exception e) {
              logger.error("Failed to find the hypervisor guest os mapping name: " + guestOsMappingName, e);
              return new CheckGuestOsMappingAnswer(command, e.getLocalizedMessage());
          }
      }
  }
  