private static void initSoSources()

in java/com/facebook/soloader/SoLoader.java [274:329]
42 lines of code
9 McCabe index (conditional complexity)

  private static void initSoSources(Context context, int flags, String[] denyList)
      throws IOException {
    if (sSoSources != null) {
      return;
    }

    sSoSourcesLock.writeLock().lock();
    try {
      sFlags = flags;

      ArrayList<SoSource> soSources = new ArrayList<>();
      AddSystemLibSoSource(soSources, denyList);

      //
      // We can only proceed forward if we have a Context. The prominent case
      // where we don't have a Context is barebones dalvikvm instantiations. In
      // that case, the caller is responsible for providing a correct LD_LIBRARY_PATH.
      //

      if (context != null) {
        //
        // Prepend our own SoSource for our own DSOs.
        //

        if ((flags & SOLOADER_ENABLE_EXOPACKAGE) != 0) {
          sBackupSoSources = null;
          if (Log.isLoggable(TAG, Log.DEBUG)) {
            Log.d(TAG, "adding exo package source: " + SO_STORE_NAME_MAIN);
          }
          soSources.add(0, new ExoSoSource(context, SO_STORE_NAME_MAIN));
        } else {
          if ((flags & SOLOADER_ENABLE_DIRECT_SOSOURCE) != 0) {
            addDirectApkSoSource(context, soSources);
          }
          addApplicationSoSource(context, soSources, getApplicationSoSourceFlags());
          AddBackupSoSource(context, soSources, ApkSoSource.PREFER_ANDROID_LIBS_DIRECTORY);
        }
      }

      SoSource[] finalSoSources = soSources.toArray(new SoSource[soSources.size()]);
      int prepareFlags = makePrepareFlags();
      for (int i = finalSoSources.length; i-- > 0; ) {
        if (Log.isLoggable(TAG, Log.DEBUG)) {
          Log.d(TAG, "Preparing SO source: " + finalSoSources[i]);
        }
        finalSoSources[i].prepare(prepareFlags);
      }
      sSoSources = finalSoSources;
      sSoSourcesVersion.getAndIncrement();
      if (Log.isLoggable(TAG, Log.DEBUG)) {
        Log.d(TAG, "init finish: " + sSoSources.length + " SO sources prepared");
      }
    } finally {
      sSoSourcesLock.writeLock().unlock();
    }
  }