Commit 1590e106 authored by RuoYi's avatar RuoYi

删除多余包

parent 103583a8
package com.ruoyi.common.utils.text;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import com.ruoyi.common.utils.StringUtils;
/**
* 字符集工具类
*
* @author ruoyi
*
*/
public class CharsetKit
{
/** ISO-8859-1 */
public static final String ISO_8859_1 = "ISO-8859-1";
/** UTF-8 */
public static final String UTF_8 = "UTF-8";
/** GBK */
public static final String GBK = "GBK";
/** ISO-8859-1 */
public static final Charset CHARSET_ISO_8859_1 = Charset.forName(ISO_8859_1);
/** UTF-8 */
public static final Charset CHARSET_UTF_8 = Charset.forName(UTF_8);
/** GBK */
public static final Charset CHARSET_GBK = Charset.forName(GBK);
/**
* 转换为Charset对象
*
* @param charset 字符集,为空则返回默认字符集
* @return Charset
*/
public static Charset charset(String charset)
{
return StringUtils.isEmpty(charset) ? Charset.defaultCharset() : Charset.forName(charset);
}
/**
* 转换字符串的字符集编码
*
* @param source 字符串
* @param srcCharset 源字符集,默认ISO-8859-1
* @param destCharset 目标字符集,默认UTF-8
* @return 转换后的字符集
*/
public static String convert(String source, String srcCharset, String destCharset)
{
return convert(source, Charset.forName(srcCharset), Charset.forName(destCharset));
}
/**
* 转换字符串的字符集编码
*
* @param source 字符串
* @param srcCharset 源字符集,默认ISO-8859-1
* @param destCharset 目标字符集,默认UTF-8
* @return 转换后的字符集
*/
public static String convert(String source, Charset srcCharset, Charset destCharset)
{
if (null == srcCharset)
{
srcCharset = StandardCharsets.ISO_8859_1;
}
if (null == destCharset)
{
srcCharset = StandardCharsets.UTF_8;
}
if (StringUtils.isEmpty(source) || srcCharset.equals(destCharset))
{
return source;
}
return new String(source.getBytes(srcCharset), destCharset);
}
/**
* @return 系统字符集编码
*/
public static String systemCharset()
{
return Charset.defaultCharset().name();
}
}
package com.ruoyi.common.utils.text;
import com.ruoyi.common.utils.StringUtils;
/**
* 字符串格式化
*
* @author ruoyi
*/
public class StrFormatter
{
public static final String EMPTY_JSON = "{}";
public static final char C_BACKSLASH = '\\';
public static final char C_DELIM_START = '{';
public static final char C_DELIM_END = '}';
/**
* 格式化字符串<br>
* 此方法只是简单将占位符 {} 按照顺序替换为参数<br>
* 如果想输出 {} 使用 \\转义 { 即可,如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可<br>
* 例:<br>
* 通常使用:format("this is {} for {}", "a", "b") -> this is a for b<br>
* 转义{}: format("this is \\{} for {}", "a", "b") -> this is \{} for a<br>
* 转义\: format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br>
*
* @param strPattern 字符串模板
* @param argArray 参数列表
* @return 结果
*/
public static String format(final String strPattern, final Object... argArray)
{
if (StringUtils.isEmpty(strPattern) || StringUtils.isEmpty(argArray))
{
return strPattern;
}
final int strPatternLength = strPattern.length();
// 初始化定义好的长度以获得更好的性能
StringBuilder sbuf = new StringBuilder(strPatternLength + 50);
int handledPosition = 0;
int delimIndex;// 占位符所在位置
for (int argIndex = 0; argIndex < argArray.length; argIndex++)
{
delimIndex = strPattern.indexOf(EMPTY_JSON, handledPosition);
if (delimIndex == -1)
{
if (handledPosition == 0)
{
return strPattern;
}
else
{ // 字符串模板剩余部分不再包含占位符,加入剩余部分后返回结果
sbuf.append(strPattern, handledPosition, strPatternLength);
return sbuf.toString();
}
}
else
{
if (delimIndex > 0 && strPattern.charAt(delimIndex - 1) == C_BACKSLASH)
{
if (delimIndex > 1 && strPattern.charAt(delimIndex - 2) == C_BACKSLASH)
{
// 转义符之前还有一个转义符,占位符依旧有效
sbuf.append(strPattern, handledPosition, delimIndex - 1);
sbuf.append(Convert.utf8Str(argArray[argIndex]));
handledPosition = delimIndex + 2;
}
else
{
// 占位符被转义
argIndex--;
sbuf.append(strPattern, handledPosition, delimIndex - 1);
sbuf.append(C_DELIM_START);
handledPosition = delimIndex + 1;
}
}
else
{
// 正常占位符
sbuf.append(strPattern, handledPosition, delimIndex);
sbuf.append(Convert.utf8Str(argArray[argIndex]));
handledPosition = delimIndex + 2;
}
}
}
// append the characters following the last {} pair.
// 加入最后一个占位符后所有的字符
sbuf.append(strPattern, handledPosition, strPattern.length());
return sbuf.toString();
}
}
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