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.alibaba.compileflow.engine.core.definition.extension;
  
  import org.apache.commons.lang3.StringUtils;
  
  import java.util.ArrayList;
  import java.util.LinkedHashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * @author wuxiang
   * @author yusu
   */
  public class ExtensionElement extends BaseExtensionElement {
  
      private String name;
      private String namespacePrefix;
      private String namespaceURI;
      private Map<String, List<ExtensionElement>> childElements = new LinkedHashMap<>();
  
      public String getName() {
          return name;
      }
  
      public void setName(String name) {
          this.name = name;
      }
  
      public String getNamespacePrefix() {
          return namespacePrefix;
      }
  
      public void setNamespacePrefix(String namespacePrefix) {
          this.namespacePrefix = namespacePrefix;
      }
  
      public String getNamespaceURI() {
          return namespaceURI;
      }
  
      public void setNamespaceURI(String namespaceURI) {
          this.namespaceURI = namespaceURI;
      }
  
      public List<ExtensionElement> getChildElements(String childElementName) {
          return childElements.get(childElementName);
      }
  
      public void addChildElement(ExtensionElement childElement) {
          if (childElement != null && StringUtils.isNotEmpty(childElement.getName())) {
              List<ExtensionElement> extensionElements = childElements.computeIfAbsent(childElement.getName(),
                      (name) -> new ArrayList<>());
              extensionElements.add(childElement);
          }
      }
  
  }
  