com.google.android.exoplayer2.util.Util.split()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中com.google.android.exoplayer2.util.Util.split()方法的一些代码示例，展示了Util.split()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.split()方法的具体详情如下：
包路径：com.google.android.exoplayer2.util.Util
类名称：Util
方法名：split

Util.split介绍

[英]Splits a string using value.split(regex, -1). Note: this is is similar to String#split(String) but empty matches at the end of the string will not be omitted from the returned array.
[中]使用值拆分字符串。split（regex，-1）。注意：这与字符串#split（String）类似，但返回的数组中不会忽略字符串末尾的空匹配项。

代码示例

代码示例来源：origin: google/ExoPlayer

  1. /**
  2.  * Splits a codecs sequence string, as defined in RFC 6381, into individual codec strings.
  3.  *
  4.  * @param codecs A codec sequence string, as defined in RFC 6381.
  5.  * @return The split codecs, or an array of length zero if the input was empty.
  6.  */
  7. public static String[] splitCodecs(String codecs) {
  8.  if (TextUtils.isEmpty(codecs)) {
  9.   return new String[0];
  10.  }
  11.  return split(codecs.trim(), "(\\s*,\\s*)");
  12. }

代码示例来源：origin: google/ExoPlayer

  1. /**
  2.  * Parses a WebVTT timestamp.
  3.  *
  4.  * @param timestamp The timestamp string.
  5.  * @return The parsed timestamp in microseconds.
  6.  * @throws NumberFormatException If the timestamp could not be parsed.
  7.  */
  8. public static long parseTimestampUs(String timestamp) throws NumberFormatException {
  9.  long value = 0;
  10.  String[] parts = Util.splitAtFirst(timestamp, "\\.");
  11.  String[] subparts = Util.split(parts[0], ":");
  12.  for (String subpart : subparts) {
  13.   value = (value * 60) + Long.parseLong(subpart);
  14.  }
  15.  value *= 1000;
  16.  if (parts.length == 2) {
  17.   value += Long.parseLong(parts[1]);
  18.  }
  19.  return value * 1000;
  20. }

代码示例来源：origin: google/ExoPlayer

  1. private String[] parseStyleIds(String parentStyleIds) {
  2.  parentStyleIds = parentStyleIds.trim();
  3.  return parentStyleIds.isEmpty() ? new String[0] : Util.split(parentStyleIds, "\\s+");
  4. }

代码示例来源：origin: google/ExoPlayer

  1. /**
  2.   * Compares version strings of format "12.123.35.23".
  3.   */
  4.  private static int compareVersionStrings(String versionLeft, String versionRight) {
  5.   if (versionLeft == null || versionRight == null) {
  6.    return 0;
  7.   }
  8.   String[] versionStringsLeft = Util.split(versionLeft, "\\.");
  9.   String[] versionStringsRight = Util.split(versionRight, "\\.");
  10.   int minLength = Math.min(versionStringsLeft.length, versionStringsRight.length);
  11.   for (int i = 0; i < minLength; i++) {
  12.    if (!versionStringsLeft[i].equals(versionStringsRight[i])) {
  13.     try {
  14.      int versionIntLeft = Integer.parseInt(versionStringsLeft[i]);
  15.      int versionIntRight = Integer.parseInt(versionStringsRight[i]);
  16.      return versionIntLeft - versionIntRight;
  17.     } catch (NumberFormatException e) {
  18.      return 0;
  19.     }
  20.    }
  21.   }
  22.   return 0;
  23.  }
  24. }

代码示例来源：origin: google/ExoPlayer

  1. public static StartTag buildStartTag(String fullTagExpression, int position) {
  2.  fullTagExpression = fullTagExpression.trim();
  3.  if (fullTagExpression.isEmpty()) {
  4.   return null;
  5.  }
  6.  int voiceStartIndex = fullTagExpression.indexOf(" ");
  7.  String voice;
  8.  if (voiceStartIndex == -1) {
  9.   voice = "";
  10.  } else {
  11.   voice = fullTagExpression.substring(voiceStartIndex).trim();
  12.   fullTagExpression = fullTagExpression.substring(0, voiceStartIndex);
  13.  }
  14.  String[] nameAndClasses = Util.split(fullTagExpression, "\\.");
  15.  String name = nameAndClasses[0];
  16.  String[] classes;
  17.  if (nameAndClasses.length > 1) {
  18.   classes = Arrays.copyOfRange(nameAndClasses, 1, nameAndClasses.length);
  19.  } else {
  20.   classes = NO_CLASSES;
  21.  }
  22.  return new StartTag(name, position, voice, classes);
  23. }

代码示例来源：origin: google/ExoPlayer

  1. private FrameAndTickRate parseFrameAndTickRates(XmlPullParser xmlParser)
  2.   throws SubtitleDecoderException {
  3.  int frameRate = DEFAULT_FRAME_RATE;
  4.  String frameRateString = xmlParser.getAttributeValue(TTP, "frameRate");
  5.  if (frameRateString != null) {
  6.   frameRate = Integer.parseInt(frameRateString);
  7.  }
  8.  float frameRateMultiplier = 1;
  9.  String frameRateMultiplierString = xmlParser.getAttributeValue(TTP, "frameRateMultiplier");
  10.  if (frameRateMultiplierString != null) {
  11.   String[] parts = Util.split(frameRateMultiplierString, " ");
  12.   if (parts.length != 2) {
  13.    throw new SubtitleDecoderException("frameRateMultiplier doesn't have 2 parts");
  14.   }
  15.   float numerator = Integer.parseInt(parts[0]);
  16.   float denominator = Integer.parseInt(parts[1]);
  17.   frameRateMultiplier = numerator / denominator;
  18.  }
  19.  int subFrameRate = DEFAULT_FRAME_AND_TICK_RATE.subFrameRate;
  20.  String subFrameRateString = xmlParser.getAttributeValue(TTP, "subFrameRate");
  21.  if (subFrameRateString != null) {
  22.   subFrameRate = Integer.parseInt(subFrameRateString);
  23.  }
  24.  int tickRate = DEFAULT_FRAME_AND_TICK_RATE.tickRate;
  25.  String tickRateString = xmlParser.getAttributeValue(TTP, "tickRate");
  26.  if (tickRateString != null) {
  27.   tickRate = Integer.parseInt(tickRateString);
  28.  }
  29.  return new FrameAndTickRate(frameRate * frameRateMultiplier, subFrameRate, tickRate);
  30. }

代码示例来源：origin: google/ExoPlayer

  1. /**
  2.  * Sets the target of a {@link WebvttCssStyle} by splitting a selector of the form
  3.  * {@code ::cue(tag#id.class1.class2[voice="someone"]}, where every element is optional.
  4.  */
  5. private void applySelectorToStyle(WebvttCssStyle style, String selector) {
  6.  if ("".equals(selector)) {
  7.   return; // Universal selector.
  8.  }
  9.  int voiceStartIndex = selector.indexOf('[');
  10.  if (voiceStartIndex != -1) {
  11.   Matcher matcher = VOICE_NAME_PATTERN.matcher(selector.substring(voiceStartIndex));
  12.   if (matcher.matches()) {
  13.    style.setTargetVoice(matcher.group(1));
  14.   }
  15.   selector = selector.substring(0, voiceStartIndex);
  16.  }
  17.  String[] classDivision = Util.split(selector, "\\.");
  18.  String tagAndIdDivision = classDivision[0];
  19.  int idPrefixIndex = tagAndIdDivision.indexOf('#');
  20.  if (idPrefixIndex != -1) {
  21.   style.setTargetTagName(tagAndIdDivision.substring(0, idPrefixIndex));
  22.   style.setTargetId(tagAndIdDivision.substring(idPrefixIndex + 1)); // We discard the '#'.
  23.  } else {
  24.   style.setTargetTagName(tagAndIdDivision);
  25.  }
  26.  if (classDivision.length > 1) {
  27.   style.setTargetClasses(Arrays.copyOfRange(classDivision, 1, classDivision.length));
  28.  }
  29. }

代码示例来源：origin: google/ExoPlayer

  1. groupedAdaptationSetIndices[groupCount++] = new int[] {i};
  2. } else {
  3.  String[] extraAdaptationSetIds = Util.split(adaptationSetSwitchingProperty.value, ",");
  4.  int[] adaptationSetIndices = new int[1 + extraAdaptationSetIds.length];
  5.  adaptationSetIndices[0] = i;

代码示例来源：origin: google/ExoPlayer

  1. String[] sysDisplaySizeParts = split(sysDisplaySize.trim(), "x");
  2. if (sysDisplaySizeParts.length == 2) {
  3.  int width = Integer.parseInt(sysDisplaySizeParts[0]);

代码示例来源：origin: google/ExoPlayer

  1. @Override
  2. public long open(DataSpec dataSpec) throws IOException {
  3.  transferInitializing(dataSpec);
  4.  this.dataSpec = dataSpec;
  5.  Uri uri = dataSpec.uri;
  6.  String scheme = uri.getScheme();
  7.  if (!SCHEME_DATA.equals(scheme)) {
  8.   throw new ParserException("Unsupported scheme: " + scheme);
  9.  }
  10.  String[] uriParts = Util.split(uri.getSchemeSpecificPart(), ",");
  11.  if (uriParts.length != 2) {
  12.   throw new ParserException("Unexpected URI format: " + uri);
  13.  }
  14.  String dataString = uriParts[1];
  15.  if (uriParts[0].contains(";base64")) {
  16.   try {
  17.    data = Base64.decode(dataString, 0);
  18.   } catch (IllegalArgumentException e) {
  19.    throw new ParserException("Error while parsing Base64 encoded string: " + dataString, e);
  20.   }
  21.  } else {
  22.   // TODO: Add support for other charsets.
  23.   data = Util.getUtf8Bytes(URLDecoder.decode(dataString, C.ASCII_NAME));
  24.  }
  25.  transferStarted(dataSpec);
  26.  return data.length;
  27. }

代码示例来源：origin: google/ExoPlayer

  1. private static void parseFontSize(String expression, TtmlStyle out) throws
  2.   SubtitleDecoderException {
  3.  String[] expressions = Util.split(expression, "\\s+");
  4.  Matcher matcher;
  5.  if (expressions.length == 1) {

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