content: package act.view;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2018 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 static org.osgl.http.H.Header.Names.CONTENT_DISPOSITION;
  
  import org.osgl.$;
  import org.osgl.http.H;
  import org.osgl.mvc.result.Result;
  import org.osgl.util.*;
  
  import java.awt.image.BufferedImage;
  
  public class RenderBufferedImage extends Result {
  
      private final BufferedImage img;
  
      private final String contentType;
  
      public RenderBufferedImage(BufferedImage img) {
          this(img, "image/png");
      }
  
      public RenderBufferedImage(BufferedImage img, String contentType) {
          this.img = $.requireNotNull(img);
          this.contentType = S.requireNotBlank(contentType);
      }
  
      @Override
      public void apply(H.Request req, H.Response resp) {
          try {
              applyCookies(resp);
              applyHeaders(resp);
              resp.contentType(contentType);
              if (!resp.containsHeader(CONTENT_DISPOSITION)) {
                  resp.contentDisposition(null, true);
              }
              applyStatus(resp);
              applyBeforeCommitHandler(req, resp);
              Img.source(img).writeTo(resp.outputStream(), contentType);
          } catch (Exception e) {
              throw E.unexpected(e);
          } finally {
              try {
                  resp.commit();
                  applyAfterCommitHandler(req, resp);
              } finally {
                  clearThreadLocals();
              }
          }
      }
  
  }
  