Java Util.closeQuietly方法代码示例

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
@Override
protected List<SampleGroup> doInBackground(String... uris) {
  List<SampleGroup> result = new ArrayList<>();
  Context context = getApplicationContext();
  String userAgent = Util.getUserAgent(context, "ExoPlayerDemo");
  DataSource dataSource = new DefaultDataSource(context, null, userAgent, false);
  for (String uri : uris) {
    DataSpec dataSpec = new DataSpec(Uri.parse(uri));
    InputStream inputStream = new DataSourceInputStream(dataSource, dataSpec);
    try {
      readSampleGroups(new JsonReader(new InputStreamReader(inputStream, "UTF-8")), result);
    } catch (Exception e) {
      Log.e(TAG, "Error loading sample list: " + uri, e);
      sawError = true;
    } finally {
      Util.closeQuietly(dataSource);
    }
  }
  return result;
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
private byte[] executePost(String url, byte[] data, Map<String, String> requestProperties)
        throws IOException {
    HttpDataSource dataSource = dataSourceFactory.createDataSource();
    if (requestProperties != null) {
        for (Map.Entry<String, String> requestProperty : requestProperties.entrySet()) {
            dataSource.setRequestProperty(requestProperty.getKey(), requestProperty.getValue());
        }
    }
    DataSpec dataSpec = new DataSpec(Uri.parse(url), data, 0, 0, C.LENGTH_UNSET, null,
            DataSpec.FLAG_ALLOW_GZIP);
    DataSourceInputStream inputStream = new DataSourceInputStream(dataSource, dataSpec);
    try {
        return Util.toByteArray(inputStream);
    } finally {
        Util.closeQuietly(inputStream);
    }
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
private void maybeLoadInitData() throws IOException, InterruptedException {
  if (previousExtractor == extractor || initLoadCompleted || initDataSpec == null) {
    // According to spec, for packed audio, initDataSpec is expected to be null.
    return;
  }
  DataSpec initSegmentDataSpec = Util.getRemainderDataSpec(initDataSpec, initSegmentBytesLoaded);
  try {
    ExtractorInput input = new DefaultExtractorInput(initDataSource,
        initSegmentDataSpec.absoluteStreamPosition, initDataSource.open(initSegmentDataSpec));
    try {
      int result = Extractor.RESULT_CONTINUE;
      while (result == Extractor.RESULT_CONTINUE && !loadCanceled) {
        result = extractor.read(input, null);
      }
    } finally {
      initSegmentBytesLoaded = (int) (input.getPosition() - initDataSpec.absoluteStreamPosition);
    }
  } finally {
    Util.closeQuietly(dataSource);
  }
  initLoadCompleted = true;
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
private static byte[] executePost(HttpDataSource.Factory dataSourceFactory, String url,
    byte[] data, Map<String, String> requestProperties) throws IOException {
  HttpDataSource dataSource = dataSourceFactory.createDataSource();
  if (requestProperties != null) {
    for (Map.Entry<String, String> requestProperty : requestProperties.entrySet()) {
      dataSource.setRequestProperty(requestProperty.getKey(), requestProperty.getValue());
    }
  }
  DataSpec dataSpec = new DataSpec(Uri.parse(url), data, 0, 0, C.LENGTH_UNSET, null,
      DataSpec.FLAG_ALLOW_GZIP);
  DataSourceInputStream inputStream = new DataSourceInputStream(dataSource, dataSpec);
  try {
    return Util.toByteArray(inputStream);
  } finally {
    Util.closeQuietly(inputStream);
  }
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
@SuppressWarnings("NonAtomicVolatileUpdate")
@Override
public void load() throws IOException, InterruptedException {
  DataSpec loadDataSpec = Util.getRemainderDataSpec(dataSpec, bytesLoaded);
  try {
    // Create and open the input.
    ExtractorInput input = new DefaultExtractorInput(dataSource,
        loadDataSpec.absoluteStreamPosition, dataSource.open(loadDataSpec));
    if (bytesLoaded == 0) {
      extractorWrapper.init(null);
    }
    // Load and decode the initialization data.
    try {
      Extractor extractor = extractorWrapper.extractor;
      int result = Extractor.RESULT_CONTINUE;
      while (result == Extractor.RESULT_CONTINUE && !loadCanceled) {
        result = extractor.read(input, null);
      }
      Assertions.checkState(result != Extractor.RESULT_SEEK);
    } finally {
      bytesLoaded = (int) (input.getPosition() - dataSpec.absoluteStreamPosition);
    }
  } finally {
    Util.closeQuietly(dataSource);
  }
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
@Override
public final void load() throws IOException, InterruptedException {
  try {
    dataSource.open(dataSpec);
    limit = 0;
    int bytesRead = 0;
    while (bytesRead != C.RESULT_END_OF_INPUT && !loadCanceled) {
      maybeExpandData();
      bytesRead = dataSource.read(data, limit, READ_GRANULARITY);
      if (bytesRead != -1) {
        limit += bytesRead;
      }
    }
    if (!loadCanceled) {
      consume(data, limit);
    }
  } finally {
    Util.closeQuietly(dataSource);
  }
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
@Override
public void load() throws IOException, InterruptedException {
  // We always load from the beginning, so reset the sampleSize to 0.
  sampleSize = 0;
  try {
    // Create and open the input.
    dataSource.open(new DataSpec(uri));
    // Load the sample data.
    int result = 0;
    while (result != C.RESULT_END_OF_INPUT) {
      sampleSize += result;
      if (sampleData == null) {
        sampleData = new byte[INITIAL_SAMPLE_SIZE];
      } else if (sampleSize == sampleData.length) {
        sampleData = Arrays.copyOf(sampleData, sampleData.length * 2);
      }
      result = dataSource.read(sampleData, sampleSize, sampleData.length - sampleSize);
    }
  } finally {
    Util.closeQuietly(dataSource);
  }
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
@SuppressWarnings("ThrowFromFinallyBlock")
private void closeCurrentOutputStream() throws IOException {
  if (outputStream == null) {
    return;
  }

  boolean success = false;
  try {
    outputStream.flush();
    underlyingFileOutputStream.getFD().sync();
    success = true;
  } finally {
    Util.closeQuietly(outputStream);
    outputStream = null;
    File fileToCommit = file;
    file = null;
    if (success) {
      cache.commitFile(fileToCommit);
    } else {
      fileToCommit.delete();
    }
  }
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
@Override
public HlsPlaylist parse(Uri uri, InputStream inputStream) throws IOException {
  BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
  Queue<String> extraLines = new LinkedList<>();
  String line;
  try {
    if (!checkPlaylistHeader(reader)) {
      throw new UnrecognizedInputFormatException("Input does not start with the #EXTM3U header.",
          uri);
    }
    while ((line = reader.readLine()) != null) {
      line = line.trim();
      if (line.isEmpty()) {
        // Do nothing.
      } else if (line.startsWith(TAG_STREAM_INF)) {
        extraLines.add(line);
        return parseMasterPlaylist(new LineIterator(extraLines, reader), uri.toString());
      } else if (line.startsWith(TAG_TARGET_DURATION)
          || line.startsWith(TAG_MEDIA_SEQUENCE)
          || line.startsWith(TAG_MEDIA_DURATION)
          || line.startsWith(TAG_KEY)
          || line.startsWith(TAG_BYTERANGE)
          || line.equals(TAG_DISCONTINUITY)
          || line.equals(TAG_DISCONTINUITY_SEQUENCE)
          || line.equals(TAG_ENDLIST)) {
        extraLines.add(line);
        return parseMediaPlaylist(new LineIterator(extraLines, reader), uri.toString());
      } else {
        extraLines.add(line);
      }
    }
  } finally {
    Util.closeQuietly(reader);
  }
  throw new ParserException("Failed to parse the playlist, could not identify any tags.");
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
@SuppressWarnings("NonAtomicVolatileUpdate")
@Override
public void load() throws IOException, InterruptedException {
  DataSpec loadDataSpec = Util.getRemainderDataSpec(dataSpec, bytesLoaded);
  try {
    // Create and open the input.
    long length = dataSource.open(loadDataSpec);
    if (length != C.LENGTH_UNSET) {
      length += bytesLoaded;
    }
    ExtractorInput extractorInput = new DefaultExtractorInput(dataSource, bytesLoaded, length);
    BaseMediaChunkOutput output = getOutput();
    output.setSampleOffsetUs(0);
    TrackOutput trackOutput = output.track(0, trackType);
    trackOutput.format(sampleFormat);
    // Load the sample data.
    int result = 0;
    while (result != C.RESULT_END_OF_INPUT) {
      bytesLoaded += result;
      result = trackOutput.sampleData(extractorInput, Integer.MAX_VALUE, true);
    }
    int sampleSize = bytesLoaded;
    trackOutput.sampleMetadata(startTimeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
  } finally {
    Util.closeQuietly(dataSource);
  }
  loadCompleted = true;
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
@SuppressWarnings("NonAtomicVolatileUpdate")
@Override
public final void load() throws IOException, InterruptedException {
  DataSpec loadDataSpec = Util.getRemainderDataSpec(dataSpec, bytesLoaded);
  try {
    // Create and open the input.
    ExtractorInput input = new DefaultExtractorInput(dataSource,
        loadDataSpec.absoluteStreamPosition, dataSource.open(loadDataSpec));
    if (bytesLoaded == 0) {
      // Configure the output and set it as the target for the extractor wrapper.
      BaseMediaChunkOutput output = getOutput();
      output.setSampleOffsetUs(sampleOffsetUs);
      extractorWrapper.init(output);
    }
    // Load and decode the sample data.
    try {
      Extractor extractor = extractorWrapper.extractor;
      int result = Extractor.RESULT_CONTINUE;
      while (result == Extractor.RESULT_CONTINUE && !loadCanceled) {
        result = extractor.read(input, null);
      }
      Assertions.checkState(result != Extractor.RESULT_SEEK);
    } finally {
      bytesLoaded = (int) (input.getPosition() - dataSpec.absoluteStreamPosition);
    }
  } finally {
    Util.closeQuietly(dataSource);
  }
  loadCompleted = true;
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
@Override
public final void load() throws IOException, InterruptedException {
  DataSourceInputStream inputStream = new DataSourceInputStream(dataSource, dataSpec);
  try {
    inputStream.open();
    result = parser.parse(dataSource.getUri(), inputStream);
  } finally {
    bytesLoaded = inputStream.bytesRead();
    Util.closeQuietly(inputStream);
  }
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
/**
 * Reads and discards all data specified by the {@code dataSpec}.
 *
 * @param dataSpec Defines the data to be read.
 * @param dataSource The {@link DataSource} to read the data from.
 * @param buffer The buffer to be used while downloading.
 * @param priorityTaskManager If not null it's used to check whether it is allowed to proceed with
 *     caching.
 * @param priority The priority of this task.
 * @return Number of read bytes, or 0 if no data is available because the end of the opened range
 * has been reached.
 */
private static long readAndDiscard(DataSpec dataSpec, DataSource dataSource, byte[] buffer,
    PriorityTaskManager priorityTaskManager, int priority)
    throws IOException, InterruptedException {
  while (true) {
    if (priorityTaskManager != null) {
      // Wait for any other thread with higher priority to finish its job.
      priorityTaskManager.proceed(priority);
    }
    try {
      dataSource.open(dataSpec);
      long totalRead = 0;
      while (true) {
        if (Thread.interrupted()) {
          throw new InterruptedException();
        }
        int read = dataSource.read(buffer, 0, buffer.length);
        if (read == C.RESULT_END_OF_INPUT) {
          return totalRead;
        }
        totalRead += read;
      }
    } catch (PriorityTaskManager.PriorityTooLowException exception) {
      // catch and try again
    } finally {
      Util.closeQuietly(dataSource);
    }
  }
}
 

import com.google.android.exoplayer2.util.Util; //导入方法依赖的package包/类
private void loadMedia() throws IOException, InterruptedException {
  // If we previously fed part of this chunk to the extractor, we need to skip it this time. For
  // encrypted content we need to skip the data by reading it through the source, so as to ensure
  // correct decryption of the remainder of the chunk. For clear content, we can request the
  // remainder of the chunk directly.
  DataSpec loadDataSpec;
  boolean skipLoadedBytes;
  if (isEncrypted) {
    loadDataSpec = dataSpec;
    skipLoadedBytes = bytesLoaded != 0;
  } else {
    loadDataSpec = Util.getRemainderDataSpec(dataSpec, bytesLoaded);
    skipLoadedBytes = false;
  }
  if (!isMasterTimestampSource) {
    timestampAdjuster.waitUntilInitialized();
  } else if (timestampAdjuster.getFirstSampleTimestampUs() == TimestampAdjuster.DO_NOT_OFFSET) {
    // We're the master and we haven't set the desired first sample timestamp yet.
    timestampAdjuster.setFirstSampleTimestampUs(startTimeUs);
  }
  try {
    ExtractorInput input = new DefaultExtractorInput(dataSource,
        loadDataSpec.absoluteStreamPosition, dataSource.open(loadDataSpec));
    if (extractor == null) {
      // Media segment format is packed audio.
      long id3Timestamp = peekId3PrivTimestamp(input);
      extractor = buildPackedAudioExtractor(id3Timestamp != C.TIME_UNSET
          ? timestampAdjuster.adjustTsTimestamp(id3Timestamp) : startTimeUs);
    }
    if (skipLoadedBytes) {
      input.skipFully(bytesLoaded);
    }
    try {
      int result = Extractor.RESULT_CONTINUE;
      while (result == Extractor.RESULT_CONTINUE && !loadCanceled) {
        result = extractor.read(input, null);
      }
    } finally {
      bytesLoaded = (int) (input.getPosition() - dataSpec.absoluteStreamPosition);
    }
  } finally {
    Util.closeQuietly(dataSource);
  }
  loadCompleted = true;
}