java.lang.Character.isWhitespace()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中java.lang.Character.isWhitespace()方法的一些代码示例，展示了Character.isWhitespace()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。Character.isWhitespace()方法的具体详情如下：
包路径：java.lang.Character
类名称：Character
方法名：isWhitespace

Character.isWhitespace介绍

[英]See #isWhitespace(int).
[中]请参阅#isWhitespace（int）。

代码示例

代码示例来源：origin: spring-projects/spring-framework

/**
 * Determine whether a parameter name ends at the current position,
 * that is, whether the given character qualifies as a separator.
 */
private static boolean isParameterSeparator(char c) {
  return (c < 128 && separatorIndex[c]) || Character.isWhitespace(c);
}

代码示例来源：origin: neo4j/neo4j

@Override
public TextValue trim()
{
  if ( Character.isWhitespace( value ) )
  {
    return StringValue.EMPTY;
  }
  else
  {
    return this;
  }
}

代码示例来源：origin: spring-projects/spring-framework

private static boolean containsText(CharSequence str) {
  int strLen = str.length();
  for (int i = 0; i < strLen; i++) {
    if (!Character.isWhitespace(str.charAt(i))) {
      return true;
    }
  }
  return false;
}

代码示例来源：origin: Blankj/AndroidUtilCode

private static boolean isSpace(final String s) {
    if (s == null) return true;
    for (int i = 0, len = s.length(); i < len; ++i) {
      if (!Character.isWhitespace(s.charAt(i))) {
        return false;
      }
    }
    return true;
  }
}

代码示例来源：origin: hankcs/HanLP

private static void loadSpace() {
  for (int i = Character.MIN_CODE_POINT; i <= Character.MAX_CODE_POINT; i++) {
    if (Character.isWhitespace(i) || Character.isSpaceChar(i)) {
      CONVERT[i] = ' ';
    }
  }
}

代码示例来源：origin: neo4j/neo4j

private static int findSpaceBefore( String description, int position )
{
  while ( !Character.isWhitespace( description.charAt( position ) ) )
  {
    position--;
  }
  return position + 1;
}

代码示例来源：origin: netty/netty

/**
 * Find the index of the first non-white space character in {@code s} starting at {@code offset}.
 *
 * @param seq    The string to search.
 * @param offset The offset to start searching at.
 * @return the index of the first non-white space character or &lt;{@code 0} if none was found.
 */
public static int indexOfNonWhiteSpace(CharSequence seq, int offset) {
  for (; offset < seq.length(); ++offset) {
    if (!Character.isWhitespace(seq.charAt(offset))) {
      return offset;
    }
  }
  return -1;
}

代码示例来源：origin: prestodb/presto

private static int findLastBlank(String buffer)
{
  for (int i = buffer.length() - 1; i >= 0; i--) {
    if (Character.isWhitespace(buffer.charAt(i))) {
      return i;
    }
  }
  return -1;
}

代码示例来源：origin: perwendel/spark

public static boolean isBlank(final CharSequence cs) {
  int strLen;
  if (cs == null || (strLen = cs.length()) == 0) {
    return true;
  }
  for (int i = 0; i < strLen; i++) {
    if (Character.isWhitespace(cs.charAt(i)) == false) {
      return false;
    }
  }
  return true;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Trim leading and trailing whitespace from the given {@code String}.
 * @param str the {@code String} to check
 * @return the trimmed {@code String}
 * @see java.lang.Character#isWhitespace
 */
public static String trimWhitespace(String str) {
  if (!hasLength(str)) {
    return str;
  }
  int beginIndex = 0;
  int endIndex = str.length() - 1;
  while (beginIndex <= endIndex && Character.isWhitespace(str.charAt(beginIndex))) {
    beginIndex++;
  }
  while (endIndex > beginIndex && Character.isWhitespace(str.charAt(endIndex))) {
    endIndex--;
  }
  return str.substring(beginIndex, endIndex + 1);
}

代码示例来源：origin: apache/rocketmq

private static boolean isBlank(String str) {
  int strLen;
  if (str == null || (strLen = str.length()) == 0) {
    return true;
  }
  for (int i = 0; i < strLen; i++) {
    if (!Character.isWhitespace(str.charAt(i))) {
      return false;
    }
  }
  return true;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Trim leading whitespace from the given {@code String}.
 * @param str the {@code String} to check
 * @return the trimmed {@code String}
 * @see java.lang.Character#isWhitespace
 */
public static String trimLeadingWhitespace(String str) {
  if (!hasLength(str)) {
    return str;
  }
  StringBuilder sb = new StringBuilder(str);
  while (sb.length() > 0 && Character.isWhitespace(sb.charAt(0))) {
    sb.deleteCharAt(0);
  }
  return sb.toString();
}

代码示例来源：origin: apache/rocketmq

public static boolean isBlank(String str) {
  int strLen;
  if (str == null || (strLen = str.length()) == 0) {
    return true;
  }
  for (int i = 0; i < strLen; i++) {
    if (!Character.isWhitespace(str.charAt(i))) {
      return false;
    }
  }
  return true;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Trim trailing whitespace from the given {@code String}.
 * @param str the {@code String} to check
 * @return the trimmed {@code String}
 * @see java.lang.Character#isWhitespace
 */
public static String trimTrailingWhitespace(String str) {
  if (!hasLength(str)) {
    return str;
  }
  StringBuilder sb = new StringBuilder(str);
  while (sb.length() > 0 && Character.isWhitespace(sb.charAt(sb.length() - 1))) {
    sb.deleteCharAt(sb.length() - 1);
  }
  return sb.toString();
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Check whether the given {@code CharSequence} contains any whitespace characters.
 * @param str the {@code CharSequence} to check (may be {@code null})
 * @return {@code true} if the {@code CharSequence} is not empty and
 * contains at least 1 whitespace character
 * @see Character#isWhitespace
 */
public static boolean containsWhitespace(@Nullable CharSequence str) {
  if (!hasLength(str)) {
    return false;
  }
  int strLen = str.length();
  for (int i = 0; i < strLen; i++) {
    if (Character.isWhitespace(str.charAt(i))) {
      return true;
    }
  }
  return false;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Trim <i>all</i> whitespace from the given {@code String}:
 * leading, trailing, and in between characters.
 * @param str the {@code String} to check
 * @return the trimmed {@code String}
 * @see java.lang.Character#isWhitespace
 */
public static String trimAllWhitespace(String str) {
  if (!hasLength(str)) {
    return str;
  }
  int len = str.length();
  StringBuilder sb = new StringBuilder(str.length());
  for (int i = 0; i < len; i++) {
    char c = str.charAt(i);
    if (!Character.isWhitespace(c)) {
      sb.append(c);
    }
  }
  return sb.toString();
}

代码示例来源：origin: spring-projects/spring-framework

@Override
public void parse(String content, SortedSet<ContentChunkInfo> result) {
  int position = 0;
  while (true) {
    position = content.indexOf(getKeyword(), position);
    if (position == -1) {
      return;
    }
    position += getKeyword().length();
    while (Character.isWhitespace(content.charAt(position))) {
      position++;
    }
    if (content.charAt(position) == '\'') {
      position = extractLink(position, '\'', content, result);
    }
    else if (content.charAt(position) == '"') {
      position = extractLink(position, '"', content, result);
    }
    else {
      position = extractUnquotedLink(position, content, result);
    }
  }
}

代码示例来源：origin: spring-projects/spring-framework

@Override
public void parse(String content, SortedSet<ContentChunkInfo> result) {
  int position = 0;
  while (true) {
    position = content.indexOf(getKeyword(), position);
    if (position == -1) {
      return;
    }
    position += getKeyword().length();
    while (Character.isWhitespace(content.charAt(position))) {
      position++;
    }
    if (content.charAt(position) == '\'') {
      position = extractLink(position, "'", content, result);
    }
    else if (content.charAt(position) == '"') {
      position = extractLink(position, "\"", content, result);
    }
    else {
      position = extractLink(position, content, result);
    }
  }
}

代码示例来源：origin: square/okhttp

/**
 * Returns true if the body in question probably contains human readable text. Uses a small sample
 * of code points to detect unicode control characters commonly used in binary file signatures.
 */
static boolean isPlaintext(Buffer buffer) {
 try {
  Buffer prefix = new Buffer();
  long byteCount = buffer.size() < 64 ? buffer.size() : 64;
  buffer.copyTo(prefix, 0, byteCount);
  for (int i = 0; i < 16; i++) {
   if (prefix.exhausted()) {
    break;
   }
   int codePoint = prefix.readUtf8CodePoint();
   if (Character.isISOControl(codePoint) && !Character.isWhitespace(codePoint)) {
    return false;
   }
  }
  return true;
 } catch (EOFException e) {
  return false; // Truncated UTF-8 sequence.
 }
}

代码示例来源：origin: libgdx/libgdx

public static int getWrapIndex (Array<Glyph> glyphs, int start) {
  int i = start - 1;
  for (; i >= 1; i--) {
    int startChar = glyphs.get(i).id;
    if (!SimplifiedChinese.legalAtStart(startChar)) continue;
    int endChar = glyphs.get(i - 1).id;
    if (!SimplifiedChinese.legalAtEnd(endChar)) continue;
    // Don't wrap between ASCII chars.
    if (startChar < 127 && endChar < 127 && !Character.isWhitespace(startChar)) continue;
    return i;
  }
  return start;
}

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