src/org/objectweb/cjdbc/common/util/Strings.java

説明を見る。

package org.objectweb.cjdbc.common.util;

public class Strings
{

  public static String replace(String sourceString, String replace, String with)
  {
    if (sourceString == null || replace == null || with == null
        || "".equals(replace))
    {
      return sourceString;
    }

    StringBuffer buf = new StringBuffer(sourceString.length());
    int start = 0, end = 0;
    while ((end = sourceString.indexOf(replace, start)) != -1)
    {
      buf.append(sourceString.substring(start, end)).append(with);
      start = end + replace.length();
    }
    buf.append(sourceString.substring(start));
    return buf.toString();
  }

  public static String replaceCasePreserving(String sourceString,
      String replace, String with)
  {
    if (sourceString == null || replace == null || with == null)
    {
      return sourceString;
    }
    String lower = sourceString.toLowerCase();
    int shift = 0;
    int idx = lower.indexOf(replace);
    int length = replace.length();
    StringBuffer resultString = new StringBuffer(sourceString);
    do
    {
      resultString = resultString.replace(idx + shift, idx + shift + length,
          with);
      shift += with.length() - length;
      idx = lower.indexOf(with, idx + length);
    }
    while (idx > 0);

    return resultString.toString();
  }

}

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