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.weex.ui.action;
  
  import org.apache.weex.WXSDKInstance;
  import org.apache.weex.WXSDKManager;
  import org.apache.weex.ui.component.WXComponent;
  
  import java.util.Map;
  
  public class GraphicActionUpdateAttr extends BasicGraphicAction {
  
    private Map<String, String> mAttrs;
    private WXComponent component;
  
    public GraphicActionUpdateAttr(WXSDKInstance instance, String ref,
                                   Map<String, String> attrs) {
      super(instance, ref);
      this.mAttrs = attrs;
  
      component = WXSDKManager.getInstance().getWXRenderManager().getWXComponent(getPageId(), getRef());
      if (component == null) {
        return;
      }
      if (mAttrs != null) {
        component.addAttr(mAttrs);
      }
    }
  
    @Override
    public void executeAction() {
      if (component == null) {
        return;
      }
      component.getAttrs().mergeAttr();
      component.updateAttrs(mAttrs);
    }
  }
  