content: package act.data;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2017 ActFramework
   * %%
   * Licensed 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.
   * #L%
   */
  
  import act.app.ActionContext;
  import org.osgl.$;
  import org.osgl.mvc.util.Binder;
  import org.osgl.mvc.util.ParamValueProvider;
  import org.osgl.storage.ISObject;
  import org.osgl.util.S;
  
  import java.io.File;
  
  /**
   * Resolve file uploads
   */
  public class FileBinder extends Binder<File> {
  
      @Override
      public File resolve(File file, String s, ParamValueProvider paramValueProvider) {
          ActionContext ctx = $.cast(paramValueProvider);
          if (ctx.req().url().startsWith("/~/cmd/run")) {
              String fileName = ctx.paramVal(s);
              if (S.isBlank(fileName)) {
                  return null;
              }
              return new File(fileName);
          }
          ISObject sobj = ctx.upload(s);
          return null == sobj ? null : sobj.asFile();
      }
  }
  