org.apache.commons.lang3.StringUtils.center()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
字(12.6k)|赞(0)|评价(0)|浏览(97)

本文整理了Java中org.apache.commons.lang3.StringUtils.center()方法的一些代码示例，展示了StringUtils.center()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。StringUtils.center()方法的具体详情如下：
包路径：org.apache.commons.lang3.StringUtils
类名称：StringUtils
方法名：center

StringUtils.center介绍

[英]Centers a String in a larger String of size sizeusing the space character (' ').

If the size is less than the String length, the String is returned. A null String returns null. A negative size is treated as zero.

Equivalent to center(str, size, " ").

StringUtils.center(null, *)   = null 
StringUtils.center("", 4)     = "    " 
StringUtils.center("ab", -1)  = "ab" 
StringUtils.center("ab", 4)   = " ab " 
StringUtils.center("abcd", 2) = "abcd" 
StringUtils.center("a", 4)    = " a  "

[中]使用空格字符（“”）将字符串居中放置在较大的字符串中。
如果大小小于字符串长度，则返回字符串。null字符串返回null。负大小被视为零。
相当于中心（str，大小为“”）。

StringUtils.center(null, *)   = null 
StringUtils.center("", 4)     = "    " 
StringUtils.center("ab", -1)  = "ab" 
StringUtils.center("ab", 4)   = " ab " 
StringUtils.center("abcd", 2) = "abcd" 
StringUtils.center("a", 4)    = " a  "

代码示例

代码示例来源：origin: org.apache.commons/commons-lang3

/**
 * <p>Centers a String in a larger String of size {@code size}
 * using the space character (' ').</p>
 *
 * <p>If the size is less than the String length, the String is returned.
 * A {@code null} String returns {@code null}.
 * A negative size is treated as zero.</p>
 *
 * <p>Equivalent to {@code center(str, size, " ")}.</p>
 *
 * <pre>
 * StringUtils.center(null, *)   = null
 * StringUtils.center("", 4)     = "    "
 * StringUtils.center("ab", -1)  = "ab"
 * StringUtils.center("ab", 4)   = " ab "
 * StringUtils.center("abcd", 2) = "abcd"
 * StringUtils.center("a", 4)    = " a  "
 * </pre>
 *
 * @param str  the String to center, may be null
 * @param size  the int size of new String, negative treated as zero
 * @return centered String, {@code null} if null String input
 */
public static String center(final String str, final int size) {
  return center(str, size, ' ');
}

代码示例来源：origin: apache/nifi

private static String centerString(String msg) {
  return "*" + StringUtils.center(msg, 78, " ") + "*";
}

代码示例来源：origin: neo4j/neo4j

private static String buildMessage( Deque<StackTraceElement[]> openCloseTraces )
{
  if ( openCloseTraces.isEmpty() )
  {
    return StringUtils.EMPTY;
  }
  int separatorLength = 80;
  String paddingString = "=";
  ByteArrayOutputStream out = new ByteArrayOutputStream();
  PrintStream printStream = new PrintStream( out );
  printStream.println();
  printStream.println( "Last " + STATEMENT_TRACK_HISTORY_MAX_SIZE + " statements open/close stack traces are:" );
  int element = 0;
  for ( StackTraceElement[] traceElements : openCloseTraces )
  {
    printStream.println( StringUtils.center( "*StackTrace " + element + "*", separatorLength, paddingString ) );
    for ( StackTraceElement traceElement : traceElements )
    {
      printStream.println( "\tat " + traceElement );
    }
    printStream.println( StringUtils.center( "", separatorLength, paddingString ) );
    printStream.println();
    element++;
  }
  printStream.println( "All statement open/close stack traces printed." );
  return out.toString();
}

代码示例来源：origin: ata4/disunity

String formatCell(Object value, int column) {
  int width = columnWidths.get(column);
  TextTableAlignment align = columnAlignments.get(column);
  Function<Object, String> formatter = columnFormatters.get(column);
  String content = formatter.apply(value);
  if (content.length() > width) {
    // truncate
    content = StringUtils.abbreviate(content, width);
  } else if (content.length() < width) {
    // add padding
    switch (align) {
      case LEFT:
        content = StringUtils.rightPad(content, width);
        break;
      case RIGHT:
        content = StringUtils.leftPad(content, width);
        break;
      case CENTER:
        content = StringUtils.center(content, width);
        break;
    }
  }
  return content;
}

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testCenter_StringIntChar() {
  assertNull(StringUtils.center(null, -1, ' '));
  assertNull(StringUtils.center(null, 4, ' '));
  assertEquals("    ", StringUtils.center("", 4, ' '));
  assertEquals("ab", StringUtils.center("ab", 0, ' '));
  assertEquals("ab", StringUtils.center("ab", -1, ' '));
  assertEquals("ab", StringUtils.center("ab", 1, ' '));
  assertEquals("    ", StringUtils.center("", 4, ' '));
  assertEquals(" ab ", StringUtils.center("ab", 4, ' '));
  assertEquals("abcd", StringUtils.center("abcd", 2, ' '));
  assertEquals(" a  ", StringUtils.center("a", 4, ' '));
  assertEquals("  a  ", StringUtils.center("a", 5, ' '));
  assertEquals("xxaxx", StringUtils.center("a", 5, 'x'));
}

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testCenter_StringInt() {
  assertNull(StringUtils.center(null, -1));
  assertNull(StringUtils.center(null, 4));
  assertEquals("    ", StringUtils.center("", 4));
  assertEquals("ab", StringUtils.center("ab", 0));
  assertEquals("ab", StringUtils.center("ab", -1));
  assertEquals("ab", StringUtils.center("ab", 1));
  assertEquals("    ", StringUtils.center("", 4));
  assertEquals(" ab ", StringUtils.center("ab", 4));
  assertEquals("abcd", StringUtils.center("abcd", 2));
  assertEquals(" a  ", StringUtils.center("a", 4));
  assertEquals("  a  ", StringUtils.center("a", 5));
}

代码示例来源：origin: ata4/disunity

@Override
public void print(TableModel model) {
  TextTableFormat format = model.format();
  format.configure(model);
  out.println(file);
  // print table name
  String name = model.name();
  name = " " + name + " ";
  int size = Math.max(name.length() + 2, format.tableWidth(cellSeparator));
  name = StringUtils.center(name, size, nameSeparator);
  out.println(name);
  // print cells
  model.table().cellSet().forEach(cell -> printCell(model, format, cell));
  out.println();
  out.println();
}

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testCenter_StringIntString() {
  assertNull(StringUtils.center(null, 4, null));
  assertNull(StringUtils.center(null, -1, " "));
  assertNull(StringUtils.center(null, 4, " "));
  assertEquals("    ", StringUtils.center("", 4, " "));
  assertEquals("ab", StringUtils.center("ab", 0, " "));
  assertEquals("ab", StringUtils.center("ab", -1, " "));
  assertEquals("ab", StringUtils.center("ab", 1, " "));
  assertEquals("    ", StringUtils.center("", 4, " "));
  assertEquals(" ab ", StringUtils.center("ab", 4, " "));
  assertEquals("abcd", StringUtils.center("abcd", 2, " "));
  assertEquals(" a  ", StringUtils.center("a", 4, " "));
  assertEquals("yayz", StringUtils.center("a", 4, "yz"));
  assertEquals("yzyayzy", StringUtils.center("a", 7, "yz"));
  assertEquals("  abc  ", StringUtils.center("abc", 7, null));
  assertEquals("  abc  ", StringUtils.center("abc", 7, ""));
}

代码示例来源：origin: apache/nifi

logPrefix = StringUtils.center(logPrefix, 40, '-');

代码示例来源：origin: mulesoft/mule

private void printNodeFrame(StringBuilder stringBuilder, int frameSize, ClassLoaderNode classLoaderNode,
              boolean includeDelegateLines, boolean doNotAddHierarchyLines) {
 if (includeDelegateLines) {
  stringBuilder.append(repeat(" ", frameSize / 2)).append(repeat("-", frameSize / 2)).append("> ");
 }
 stringBuilder.append(repeat("-", frameSize)).append(lineSeparator());
 if (includeDelegateLines) {
  stringBuilder.append(center(doNotAddHierarchyLines ? " " : "|", frameSize)).append(repeat(" ", 2));
 }
 stringBuilder.append("|").append(center(classLoaderNode.getId(), frameSize - 2)).append("|").append(lineSeparator());
 if (includeDelegateLines) {
  stringBuilder.append(center(doNotAddHierarchyLines ? " " : "|", frameSize)).append(repeat(" ", 2));
 }
 stringBuilder.append(repeat("-", frameSize)).append(lineSeparator());
}

代码示例来源：origin: org.apache.hadoop/hadoop-hdfs

/**
 * Prints a quick summary of the plan to screen.
 *
 * @param plans - List of NodePlans.
 */
static private void printToScreen(List<NodePlan> plans) {
 System.out.println("\nPlan :\n");
 System.out.println(StringUtils.repeat("=", 80));
 System.out.println(
   StringUtils.center("Source Disk", 30) +
     StringUtils.center("Dest.Disk", 30) +
     StringUtils.center("Size", 10) +
     StringUtils.center("Type", 10));
 for (NodePlan plan : plans) {
  for (Step step : plan.getVolumeSetPlans()) {
   System.out.println(String.format("%s %s %s %s",
     StringUtils.center(step.getSourceVolume().getPath(), 30),
     StringUtils.center(step.getDestinationVolume().getPath(), 30),
     StringUtils.center(step.getSizeString(step.getBytesToMove()), 10),
     StringUtils.center(step.getDestinationVolume().getStorageType(),
       10)));
  }
 }
 System.out.println(StringUtils.repeat("=", 80));
}

代码示例来源：origin: mulesoft/mule

boolean isLastNode = classLoaderNodes.empty();
if (!isFirst.get()) {
 stringBuilder.append(center("^", frameSize)).append(lineSeparator());
 stringBuilder.append(center("|", frameSize)).append(lineSeparator());
for (int i = 0; i < classLoaderNode.getDelegateNodes().size(); i++) {
 ClassLoaderNode delegateNode = classLoaderNode.getDelegateNodes().get(i);
 stringBuilder.append(center("|", frameSize)).append(lineSeparator());
 boolean isLastItem = i == classLoaderNode.getDelegateNodes().size() - 1;
 printNodeFrame(stringBuilder, frameSize, delegateNode, true,

代码示例来源：origin: org.mule.runtime/mule-core

private String formatHeaderValue(String value, int size) {
 String result = substring(value, 0, size);
 result = center(String.format("- - + %s + - -", result), size, ' ');
 return result;
}

代码示例来源：origin: locationtech/geowave

/** @param testName Name of the test that we are starting. */
public static void printStartOfTest(final Logger logger, final String testName) {
 // Format
 final String paddedName = StringUtils.center("STARTING " + testName, 37);
 // Print
 logger.warn("-----------------------------------------");
 logger.warn("*                                       *");
 logger.warn("* " + paddedName + " *");
 logger.warn("*                                       *");
 logger.warn("-----------------------------------------");
}

代码示例来源：origin: HubSpot/jinjava

@Override
public Object filter(Object var, JinjavaInterpreter interpreter, String... args) {
 String str = Objects.toString(var, "");
 int size = 80;
 if (args.length > 0) {
  size = NumberUtils.toInt(args[0], 80);
 }
 return StringUtils.center(str, size);
}

代码示例来源：origin: uk.ac.ebi/jutils

@Override
public void testFinished ( Description description ) throws Exception
{
  String label = MessageFormat.format ( " /end: {0} ", description.getDisplayName () );
  out.println ( "    " + StringUtils.center ( label, 110, "=-" ) + "\n" );
}

代码示例来源：origin: uk.ac.ebi/jutils

@Override
public void testStarted ( Description description ) throws Exception
{
  String label = MessageFormat.format ( " {0} ", description.getDisplayName () );
  out.println ( "\n\n     " + StringUtils.center ( label, 110, "=-" ) );
}

代码示例来源：origin: shilad/wikibrain

private void printHeader() {
  System.out.println(StringUtils.repeat("*", WIDTH));
  System.out.println("*" + StringUtils.repeat(" ", WIDTH - 2) + "*");
  System.out.println("*" + StringUtils.center("LOADED WIKIBRAIN DATA:", WIDTH - 2) + "*");
  System.out.println("*" + StringUtils.repeat(" ", WIDTH - 2) + "*");
  System.out.println("*" + StringUtils.center(" Default language: " + env.getLanguages().getDefaultLanguage(), WIDTH - 2) + "*");
  System.out.println("*" + StringUtils.center(" Loaded languages: " + env.getLanguages(), WIDTH - 2) + "*");
  System.out.println("*" + StringUtils.repeat(" ", WIDTH - 2) + "*");
  System.out.println(StringUtils.repeat("-", WIDTH));
  printRow("component", "language", "count", "errors", "modified");
  System.out.println(StringUtils.repeat("-", WIDTH));
}

代码示例来源：origin: quen2404/openapi-diff

public String title(String title, char ch) {
 String little = StringUtils.repeat(ch, 2);
 return String.format(
   "%s%s%s%s%n%s",
   separator(ch), little, StringUtils.center(title, LINE_LENGTH - 4), little, separator(ch));
}

代码示例来源：origin: org.xworker/xworker_core

public static String center(ActionContext actionContext){
  Thing self = actionContext.getObject("self");
  String str  = (String) self.doAction("getStr", actionContext);
  String padStr  = (String) self.doAction("getPadStr", actionContext);
  Integer size  = (Integer) self.doAction("getSize", actionContext);
  return StringUtils.center(str, size, padStr);
}

内容来源于网络，如有侵权，请联系作者删除！

StringUtils

相关文章

    查看更多
    微信公众号

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多

    StringUtils类方法

    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com