content: /*
   * Copyright (C) 2017 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 com.google.android.apps.common.testing.broker;
  
  
  import com.google.common.collect.ImmutableList;
  import com.google.common.collect.Lists;
  import com.google.common.io.LineProcessor;
  import java.util.List;
  
  /** Parses the output of "adb devices" command. */
  public class AdbDevicesLineProcessor implements LineProcessor<List<String>> {
  
    private static final String SUFFIX = "device";
    private final List<String> deviceSerialIds = Lists.newArrayList();
  
    @Override
    public boolean processLine(String line) {
      line = line.trim();
      if (line.endsWith(SUFFIX) && line.length() > SUFFIX.length()) {
        int endIndex = line.indexOf(SUFFIX) - 1;
        deviceSerialIds.add(line.substring(0, endIndex).trim());
      }
      return true;
    }
  
    @Override
    public List<String> getResult() {
      return ImmutableList.copyOf(deviceSerialIds);
    }
  }
  