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.ambari.server.state.quicklinks;
  
  import java.util.List;
  
  import javax.annotation.Nullable;
  
  import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import com.fasterxml.jackson.annotation.JsonProperty;
  
  @JsonInclude(JsonInclude.Include.NON_NULL)
  @JsonIgnoreProperties(ignoreUnknown = true)
  public class Link{
    @JsonProperty("name")
    private String name;
  
    @JsonProperty("label")
    private String label;
  
    @JsonProperty("component_name")
    private String componentName;
  
    @JsonProperty("requires_user_name")
    private String requiresUserName;
  
    @JsonProperty("url")
    private String url;
  
    @JsonProperty("port")
    private Port port;
  
    @JsonProperty("host")
    private Host host;
  
    @JsonProperty("protocol")
    private Protocol protocol;
  
    @JsonProperty("attributes")
    private List<String> attributes;
  
    @JsonProperty("visible")
    private boolean visible = true;
  
    public String getName() {
      return name;
    }
  
    public void setName(String name) {
      this.name = name;
    }
  
    public String getLabel() {
      return label;
    }
  
    public void setLabel(String label) {
      this.label = label;
    }
  
    public String getComponentName() {
      return componentName;
    }
  
    public void setComponentName(String componentName) {
      this.componentName = componentName;
    }
  
    public String getUrl() {
      return url;
    }
  
    public void setUrl(String url) {
      this.url = url;
    }
  
    public String getRequiresUserName() {
      return requiresUserName;
    }
  
    public void setRequiresUserName(String requiresUserName) {
      this.requiresUserName = requiresUserName;
    }
  
    public Port getPort() {
      return port;
    }
  
    public Host getHost() {
      return host;
    }
  
    public void setPort(Port port) {
      this.port = port;
    }
  
    public Protocol getProtocol() {
      return protocol;
    }
  
    public void setProtocol(Protocol protocol) {
      this.protocol = protocol;
    }
  
    public boolean isVisible() {
      return visible;
    }
  
    public void setVisible(boolean visible) {
      this.visible = visible;
    }
  
    @Nullable
    public List<String> getAttributes() {
      return attributes;
    }
  
    public void setAttributes(List<String> attributes) {
      this.attributes = attributes;
    }
  
    public boolean isRemoved(){
      //treat a link as removed if the section only contains a name
      return (null == port && null == url && null == label && null == requiresUserName);
    }
  
    public void mergeWithParent(Link parentLink) {
      if (null == parentLink)
          return;
  
      /* merge happens when a child link has some infor but not all of them.
       * If a child link has nothing but a name, it's treated as being removed from the link list
       */
      if(null == label && null != parentLink.getLabel())
        label = parentLink.getLabel();
  
      if(null == componentName && null != parentLink.getComponentName())
        componentName = parentLink.getComponentName();
  
      if(null == url && null != parentLink.getUrl())
        url = parentLink.getUrl();
  
      if(null == requiresUserName && null != parentLink.getRequiresUserName())
        requiresUserName = parentLink.getRequiresUserName();
  
      if(null == port){
          port = parentLink.getPort();
      } else {
        port.mergetWithParent(parentLink.getPort());
      }
  
      if(null == host){
        host = parentLink.getHost();
      } else {
        host.mergeWithParent(parentLink.getHost());
      }
  
      if (null == attributes && null != parentLink.attributes) {
        attributes = parentLink.attributes;
      }
    }
  
  }