content: /*
   * JBoss, Home of Professional Open Source
   * Copyright 2018 Red Hat Inc. and/or its affiliates and other contributors
   * as indicated by the @authors tag. All rights reserved.
   * See the copyright.txt in the distribution for a
   * full listing of individual 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.
   */
  package org.aesh.command.impl.operator;
  
  import java.io.BufferedWriter;
  import java.io.File;
  import java.io.IOException;
  import java.nio.charset.StandardCharsets;
  import java.nio.file.Files;
  import java.nio.file.StandardOpenOption;
  import org.aesh.command.invocation.CommandInvocationConfiguration;
  import org.aesh.readline.AeshContext;
  
  /**
   *
   * @author jdenise@redhat.com
   */
  /**
   *
   * @author jdenise@redhat.com
   */
  public class AppendOutputRedirectionOperator implements ConfigurationOperator {
  
      private class OutputDelegateImpl extends FileOutputDelegate {
  
          private OutputDelegateImpl(String file) throws IOException {
              super(context, file);
          }
  
          @Override
          protected BufferedWriter buildWriter(File f) throws IOException {
              return Files.newBufferedWriter(f.toPath(), StandardCharsets.UTF_8,
                      StandardOpenOption.APPEND, StandardOpenOption.CREATE);
          }
      }
  
      private CommandInvocationConfiguration config;
      private String argument;
      private final AeshContext context;
  
      public AppendOutputRedirectionOperator(AeshContext context) {
          this.context = context;
      }
  
      @Override
      public CommandInvocationConfiguration getConfiguration() throws IOException {
          if (config == null) {
              config = new CommandInvocationConfiguration(context, new OutputDelegateImpl(argument));
          }
          return config;
      }
  
      @Override
      public void setArgument(String argument) {
          this.argument = argument;
      }
  }
  