content: /*
   * Created on Apr 26, 2009
   *
   * 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.
   *
   * Copyright @2009 the original author or authors.
   */
  package org.fest.swing.junit.ant;
  
  import static org.fest.swing.image.ImageFileExtensions.PNG;
  import static org.fest.swing.junit.ant.CommonConstants.UTF_8;
  import static org.fest.util.Files.flushAndClose;
  
  import java.awt.image.BufferedImage;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  
  import javax.imageio.ImageIO;
  
  import org.apache.commons.codec.binary.Base64;
  
  /**
   * Understands how to encode a given image using the base64 algorithm.
   *
   * @author Alex Ruiz
   */
  class ImageEncoder {
  
    String encodeBase64(BufferedImage image) throws IOException {
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      try {
        ImageIO.write(image, PNG, out);
        byte[] encoded = Base64.encodeBase64(out.toByteArray());
        return new String(encoded, UTF_8);
      } finally {
        flushAndClose(out);
      }
    }
  }
  