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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.atlas.entitytransform;
  
  import org.apache.atlas.type.AtlasEntityType;
  import org.apache.atlas.type.AtlasTypeRegistry;
  import org.apache.commons.lang.StringUtils;
  
  import static org.apache.atlas.entitytransform.TransformationConstants.TYPE_NAME_ATTRIBUTE_NAME_SEP;
  
  public class EntityAttribute {
      private final String          attributeKey;
      private final AtlasEntityType entityType;
      private final String          attributeName;
  
      public EntityAttribute(String attributeKey, TransformerContext context) {
          this.attributeKey = attributeKey;
  
          int idx = attributeKey != null ? attributeKey.indexOf(TYPE_NAME_ATTRIBUTE_NAME_SEP) : -1;
  
          if (idx != -1) {
              this.attributeName = StringUtils.trim(attributeKey.substring(idx + 1));
  
              AtlasTypeRegistry typeRegistry = context != null ? context.getTypeRegistry() : null;
  
              if (typeRegistry != null) {
                  String typeName = StringUtils.trim(attributeKey.substring(0, idx));
  
                  this.entityType = typeRegistry.getEntityTypeByName(typeName);
              } else {
                  this.entityType = null;
              }
          } else {
              this.entityType    = null;
              this.attributeName = attributeKey;
          }
      }
  
      public String getAttributeKey() {
          return attributeKey;
      }
  
      public AtlasEntityType getEntityType() {
          return entityType;
      }
  
      public String getAttributeName() {
          return attributeName;
      }
  
      public boolean appliesToEntityType(String typeName) {
          return entityType == null || StringUtils.isEmpty(typeName) || entityType.getTypeAndAllSubTypes().contains(typeName);
      }
  }
  