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.vmware.mo;
  
  import java.util.List;
  
  import com.vmware.vim25.CustomFieldDef;
  import com.vmware.vim25.ManagedObjectReference;
  import com.vmware.vim25.PrivilegePolicyDef;
  
  import com.cloud.hypervisor.vmware.util.VmwareContext;
  
  public class CustomFieldsManagerMO extends BaseMO {
  
      public CustomFieldsManagerMO(VmwareContext context, ManagedObjectReference mor) {
          super(context, mor);
      }
  
      public CustomFieldsManagerMO(VmwareContext context, String morType, String morValue) {
          super(context, morType, morValue);
      }
  
      public CustomFieldDef addCustomerFieldDef(String fieldName, String morType, PrivilegePolicyDef fieldDefPolicy, PrivilegePolicyDef fieldPolicy) throws Exception {
          return _context.getService().addCustomFieldDef(getMor(), fieldName, morType, fieldDefPolicy, fieldPolicy);
      }
  
      public void removeCustomFieldDef(int key) throws Exception {
          _context.getService().removeCustomFieldDef(getMor(), key);
      }
  
      public void renameCustomFieldDef(int key, String name) throws Exception {
          _context.getService().renameCustomFieldDef(getMor(), key, name);
      }
  
      public void setField(ManagedObjectReference morEntity, int key, String value) throws Exception {
          _context.getService().setField(getMor(), morEntity, key, value);
      }
  
      public List<CustomFieldDef> getFields() throws Exception {
          return _context.getVimClient().getDynamicProperty(getMor(), "field");
      }
  
      @Override
      public int getCustomFieldKey(String morType, String fieldName) throws Exception {
          List<CustomFieldDef> fields = getFields();
          if (fields != null) {
              for (CustomFieldDef field : fields) {
                  if (field.getName().equals(fieldName) && field.getManagedObjectType().equals(morType))
                      return field.getKey();
              }
          }
          return 0;
      }
  
      public int ensureCustomFieldDef(String morType, String fieldName) throws Exception {
          int key = getCustomFieldKey(morType, fieldName);
          if (key > 0)
              return key;
  
          try {
              CustomFieldDef field = addCustomerFieldDef(fieldName, morType, null, null);
              return field.getKey();
          } catch (Exception e) {
              // assuming that someone is adding it
              key = getCustomFieldKey(morType, fieldName);
          }
  
          if (key == 0)
              throw new Exception("Unable to setup custom field facility for " + morType + ":" + fieldName);
  
          return key;
      }
  }
  