模仿log4j的日志字符串格式化log(format,args)

什么也不说，直接看代码。

import java.util.Collection;import net.xuele.common.utils.format.JsonUtils;import org.apache.commons.collections.CollectionUtils;import org.apache.commons.lang.ArrayUtils;import org.apache.commons.lang.StringUtils;import org.springframework.util.ObjectUtils;/** * 字符串格式化 * @author wull */public class StringFormat {/** * 模仿C#格式化字符串 * * @param str * @param args * @return */public static String format(String str, String... args) {for (int i = 0; i < args.length; i++) {str = str.replaceFirst("\\{\\}", args[i]);}return str;}public static String format(String str, Object... args) {for (int i = 0; i < args.length; i++) {str = str.replaceFirst("\\{\\}", String.valueOf(args[i]));}return str;}/** * 安全链接字符串 * * @param strs * @return */public static String softLink(String... strs) {StringBuffer sb = new StringBuffer();for (String s : strs) {sb.append(StringUtils.isEmpty(s) ? "" : s);}return sb.toString();}/** * 安全去首位链接字符串 * * @param strs * @return */public static String softTrimLink(String... strs) {StringBuffer sb = new StringBuffer();for (String s : strs) {sb.append(StringUtils.trimToEmpty(s));}return sb.toString();}/** * 安全toString * * @param str * @return */public static String toString(Object str) {if (null == str)return null;return str.toString();}/** * 通过","链接List * * @param strlist * @return */public static String formatByComma(Collection<String> strlist) {if (CollectionUtils.isEmpty(strlist))return "";String[] strs = new String[strlist.size()];strlist.toArray(strs);return StringFormat.formatByComma(strs);}/** * 将数组轻而易举的转换成用逗号分隔的字符串 * * @param strs * @return */public static String formatByComma(String... strs) {return StringFormat.formatByComma(true, strs);}/** * 将数组轻而易举的转换成用逗号分隔的字符串 * * @param strs * @return */public static String formatByComma(boolean filterNull, String... strs) {if (!filterNull)ArrayUtils.removeElement(strs, null);String str = ArrayUtils.toString(strs);return StringUtils.substring(str, 1, str.length() - 1);}/** * 在数组每个元素前后追加数据 * * @param array * @param head * @param end * @return */public static String[] formatEcho(String head, String end, String... array) {if (ObjectUtils.isEmpty(array))return null;for (int i = 0; i < array.length; i++) {if (null == array[i])continue;array[i] = head + array[i] + end;}return array;}/** * 把用","分割的字符串，转换成数组 * * @param str * @return */public static String[] splitByComma(String str) {return StringUtils.split(str, ",");}public static void main(String[] args) {String[] stringArray = { "Red", "Orange", "Blue", "Brown", "Red" };System.out.println(StringFormat.formatByComma(stringArray));String unitId="unitId";Integer sort=0;String parentIds="parentIds";String str = StringFormat.format("查询原题对应的衍生题param,,unitId={},sort={},parentIds={}", new Object[]{unitId, sort, JsonUtils.toJson(parentIds)});System.out.println(str);}}