content: /*
   * Copyright (C) 2011 The Android Open Source Project
   *
   * 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 android.filterpacks.base;
  
  import android.filterfw.core.Filter;
  import android.filterfw.core.FilterContext;
  import android.filterfw.core.Frame;
  import android.filterfw.core.GenerateFieldPort;
  
  import java.io.OutputStream;
  import java.io.IOException;
  import java.nio.ByteBuffer;
  
  /**
   * @hide
   */
  public class OutputStreamTarget extends Filter {
  
      @GenerateFieldPort(name = "stream")
      private OutputStream mOutputStream;
  
      public OutputStreamTarget(String name) {
          super(name);
      }
  
      @Override
      public void setupPorts() {
          addInputPort("data");
      }
  
      @Override
      public void process(FilterContext context) {
          Frame input = pullInput("data");
          ByteBuffer data;
  
          if (input.getFormat().getObjectClass() == String.class) {
              String stringVal = (String)input.getObjectValue();
              data = ByteBuffer.wrap(stringVal.getBytes());
          } else {
              data = input.getData();
          }
          try {
              mOutputStream.write(data.array(), 0, data.limit());
              mOutputStream.flush();
          } catch (IOException exception) {
              throw new RuntimeException(
                  "OutputStreamTarget: Could not write to stream: " + exception.getMessage() + "!");
          }
      }
  }
  