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 java.util.regex.Pattern;
  
  /**
   * Processes "aapt dump apk" output and returns the package name of the given apk.
   */
  class AaptDumpPackageLineProcessor extends AbstractRegexpLineProcessor<String> {
    // package: name='com.google.android.gm' versionCode='330' versionName='4.0.4-381230'
    private static final Pattern PACKAGE_PATTERN = Pattern.compile("package:\\sname=\\'(\\S*)\\'.*$");
  
    AaptDumpPackageLineProcessor() {
      super(PACKAGE_PATTERN, true);
      // match the package output pattern and stop processing the aapt output as soon as you see a
      // match.
    }
  
    @Override
    public String getResult() {
      if (getMatched().size() != 0) {
        return getMatched().get(0).group(1);
      } else {
        return null;
      }
    }
  }
  