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
   *
   *      https://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.tools.ant.taskdefs.email;
  
  import java.io.BufferedInputStream;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.PrintStream;
  import java.nio.file.Files;
  
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.util.UUEncoder;
  
  /**
   * An emailer that uuencodes attachments.
   *
   * @since Ant 1.5
   */
  class UUMailer extends PlainMailer {
      @Override
      protected void attach(File file, PrintStream out)
           throws IOException {
          if (!file.exists() || !file.canRead()) {
              throw new BuildException(
                  "File \"%s" + "\" does not exist or is not " + "readable.",
                  file.getAbsolutePath());
          }
  
          try (InputStream in =
              new BufferedInputStream(Files.newInputStream(file.toPath()))) {
              new UUEncoder(file.getName()).encode(in, out);
          }
      }
  }
  
  