content: package net.sf.expectit.ant;
  
  /*
   * #%L
   * ExpectIt
   * %%
   * Copyright (C) 2014 Alexey Gavrilov and contributors
   * %%
   * 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 com.jcraft.jsch.Channel;
  import com.jcraft.jsch.JSchException;
  import com.jcraft.jsch.Session;
  import java.io.IOException;
  import net.sf.expectit.ant.filter.FiltersElement;
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.taskdefs.optional.ssh.SSHBase;
  
  /**
   * An expect task implementation for a ssh connection.
   */
  public class ExpectSsh extends SSHBase implements ExpectSupport {
      private ExpectSupportImpl expectSupport;
  
      @Override
      public void add(SequentialElement sequential) {
          expectSupport.add(sequential);
      }
  
      @Override
      public void add(FiltersElement filters) {
          expectSupport.add(filters);
      }
  
      @Override
      public void setLineSeparator(String lineSeparator) {
          expectSupport.setLineSeparator(lineSeparator);
      }
  
      @Override
      public void setCharset(String charset) {
          expectSupport.setCharset(charset);
      }
  
      @Override
      public void setEchoOutput(boolean echoOutput) {
          expectSupport.setEchoOutput(echoOutput);
      }
  
      @Override
      public void setExpectTimeout(long ms) {
          expectSupport.setExpectTimeout(ms);
      }
  
      @Override
      public void setErrorOnTimeout(boolean errorOnTimeout) {
          expectSupport.setErrorOnTimeout(errorOnTimeout);
      }
  
      @Override
      public void setExceptionOnFailure(final boolean exceptionOnFailure) {
          expectSupport.setExceptionOnFailure(exceptionOnFailure);
      }
  
      @Override
      public void init() {
          super.init();
          expectSupport = new ExpectSupportImpl(this);
      }
  
      @Override
      public void execute() {
          try {
              Session session = openSession();
              Channel channel = session.openChannel("shell");
              expectSupport.setOutput(channel.getOutputStream());
              expectSupport.setInput(0, channel.getInputStream());
              expectSupport.setInput(1, channel.getExtInputStream());
              channel.connect();
              try {
                  expectSupport.execute();
              } finally {
                  channel.disconnect();
                  session.disconnect();
                  expectSupport.close();
              }
          } catch (IOException e) {
              throw new BuildException(e);
          } catch (JSchException e) {
              throw new BuildException(e);
          }
      }
  }
  