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.component;
  
  import android.text.TextUtils;
  
  import org.apache.weex.WXEnvironment;
  import org.apache.weex.WXSDKInstance;
  import org.apache.weex.common.WXErrorCode;
  import org.apache.weex.ui.IFComponentHolder;
  import org.apache.weex.ui.WXComponentRegistry;
  import org.apache.weex.ui.action.BasicComponentData;
  import org.apache.weex.utils.WXExceptionUtils;
  import org.apache.weex.utils.WXLogUtils;
  
  /**
   * Component factory
   */
  public class WXComponentFactory {
  
    public static WXComponent newInstance(WXSDKInstance instance, WXVContainer parent, BasicComponentData basicComponentData) {
      if (instance == null || TextUtils.isEmpty(basicComponentData.mComponentType)) {
        return null;
      }
  
      IFComponentHolder holder = WXComponentRegistry.getComponent(basicComponentData.mComponentType);
      if (holder == null) {
        if (WXEnvironment.isApkDebugable()) {
          String tag = "WXComponentFactory error type:[" +
                  basicComponentData.mComponentType + "]" + " class not found";
          WXLogUtils.e(tag);
        }
        //For compatible reason of JS framework, unregistered type will be treated as container.
        holder = WXComponentRegistry.getComponent(WXBasicComponentType.CONTAINER);
        if (holder == null) {
          WXExceptionUtils.commitCriticalExceptionRT(instance.getInstanceId(),
                  WXErrorCode.WX_RENDER_ERR_COMPONENT_NOT_REGISTER, "createComponent",
                  basicComponentData.mComponentType + " not registered", null);
          return null;
        }
      }
  
      try {
        return holder.createInstance(instance, parent, basicComponentData);
      } catch (Throwable e) {
        WXLogUtils.e("WXComponentFactory Exception type:[" + basicComponentData.mComponentType + "] ", e);
      }
  
      return null;
    }
  }
  