import com.mls.util.tool.codec.EncodeUtils;
import com.mls.util.tool.collect.ListUtils;
import org.apache.commons.lang3.StringEscapeUtils;
import java.io.UnsupportedEncodingException;
import java.util.List;
import java.util.Random;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 字符串工具类, 继承org.apache.commons.lang3.StringUtils类
* @version 2018-1-6
*/
public class StringUtils extends org.apache.commons.lang3.StringUtils {
private static final char SEPARATOR = '_';
private static final String CHARSET_NAME = "UTF-8";
/**
* 转换为字节数组
* @param str
* @return
*/
public static byte[] getBytes(String str){
if (str != null){
try {
return str.getBytes(CHARSET_NAME);
} catch (UnsupportedEncodingException e) {
return null;
}
}else{
return null;
}
}
/**
* 转换为字节数组
* @param str
* @return
*/
public static String toString(byte[] bytes){
try {
return new String(bytes, CHARSET_NAME);
} catch (UnsupportedEncodingException e) {
return EMPTY;
}
}
/**
* 是否包含字符串
* @param str 验证字符串
* @param strs 字符串组
* @return 包含返回true
*/
public static boolean inString(String str, String... strs){
if (str != null && strs != null){
for (String s : strs){
if (str.equals(trim(s))){
return true;
}
}
}
return false;
}
/**
* 是否包含字符串
* @param str 验证字符串
* @param strs 字符串组
* @return 包含返回true
*/
public static boolean inStringIgnoreCase(String str, String... strs){
if (str != null && strs != null){
for (String s : strs){
if (str.equalsIgnoreCase(trim(s))){
return true;
}
}
}
return false;
}
/**
* 替换掉HTML标签方法
*/
public static String stripHtml(String html) {
if (isBlank(html)){
return "";
}
//html.replaceAll("\\&[a-zA-Z]{0,9};", "").replaceAll("<[^>]*>", "");
String regEx = "<.+?>";
Pattern p = Pattern.compile(regEx);
Matcher m = p.matcher(html);
String s = m.replaceAll("");
return s;
}
/**
* 替换为手机识别的HTML，去掉样式及属性，保留回车。
* @param html
* @return
*/
public static String toMobileHtml(String html){
if (html == null){
return "";
}
return html.replaceAll("<([a-z]+?)\\s+?.*?>", "<$1>");
}
/**
* 对txt进行HTML编码，并将\n转换为>br/<、\t转换为
* @param txt
* @return
*/
public static String toHtml(String txt){
if (txt == null){
return "";
}
return replace(replace(EncodeUtils.encodeHtml(trim(txt)), "\n", "<br/>"), "\t", " ");
}
/**
* 缩略字符串（不区分中英文字符）
* @param str 目标字符串
* @param length 截取长度
* @return
*/
public static String abbr(String str, int length) {
if (str == null) {
return "";
}
try {
StringBuilder sb = new StringBuilder();
int currentLength = 0;
for (char c : stripHtml(StringEscapeUtils.unescapeHtml4(str)).toCharArray()) {
currentLength += String.valueOf(c).getBytes("GBK").length;
if (currentLength <= length - 3) {
sb.append(c);
} else {
sb.append("...");
break;
}
}
return sb.toString();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return "";
}
// 缩略字符串替换Html正则表达式预编译
private static Pattern p1 = Pattern.compile("<([a-zA-Z]+)[^<>]*>");
/**
* 缩略字符串（适应于与HTML标签的）
* @param param 目标字符串
* @param length 截取长度
* @return
*/
public static String htmlAbbr(String param, int length) {
if (param == null) {
return "";
}
StringBuffer result = new StringBuffer();
int n = 0;
char temp;
boolean isCode = false; // 是不是HTML代码
boolean isHTML = false; // 是不是HTML特殊字符,如
for (int i = 0; i < param.length(); i++) {
temp = param.charAt(i);
if (temp == '<') {
isCode = true;
} else if (temp == '&') {
isHTML = true;
} else if (temp == '>' && isCode) {
n = n - 1;
isCode = false;
} else if (temp == ';' && isHTML) {
isHTML = false;
}
try {
if (!isCode && !isHTML) {
n += String.valueOf(temp).getBytes("GBK").length;
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
if (n <= length - 3) {
result.append(temp);
} else {
result.append("...");
break;
}
}
// 取出截取字符串中的HTML标记
String tempResult = result.toString().replaceAll("(>)[^<>]*(<?)", "$1$2");
// 去掉不需要结素标记的HTML标记
tempResult = tempResult.replaceAll("</?(AREA|BASE|BASEFONT|BODY|BR|COL|COLGROUP|DD|DT|FRAME|HEAD|HR|"
+ "HTML|IMG|INPUT|ISINDEX|LI|LINK|META|OPTION|P|PARAM|TBODY|TD|TFOOT|TH|THEAD|TR|area|base|"
+ "basefont|body|br|col|colgroup|dd|dt|frame|head|hr|html|img|input|isindex|li|link|meta|"
+ "option|p|param|tbody|td|tfoot|th|thead|tr)[^<>]*/?>", "");
// 去掉成对的HTML标记
tempResult = tempResult.replaceAll("<([a-zA-Z]+)[^<>]*>(.*?)</\\1>", "$2");
// 用正则表达式取出标记
Matcher m = p1.matcher(tempResult);
List<String> endHTML = ListUtils.newArrayList();
while (m.find()) {
endHTML.add(m.group(1));
}
// 补全不成对的HTML标记
for (int i = endHTML.size() - 1; i >= 0; i--) {
result.append("</");
result.append(endHTML.get(i));
result.append(">");
}
return result.toString();
}
/**
* 首字母大写
*/
public static String cap(String str){
return capitalize(str);
}
/**
* 首字母小写
*/
public static String uncap(String str){
return uncapitalize(str);
}
/**
* 驼峰命名法工具
* @return
* camelCase("hello_world") == "helloWorld"
* capCamelCase("hello_world") == "HelloWorld"
* uncamelCase("helloWorld") = "hello_world"
*/
public static String camelCase(String s) {
if (s == null) {
return null;
}
s = s.toLowerCase();
StringBuilder sb = new StringBuilder(s.length());
boolean upperCase = false;
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
if (c == SEPARATOR) {
upperCase = true;
} else if (upperCase) {
sb.append(Character.toUpperCase(c));
upperCase = false;
} else {
sb.append(c);
}
}
return sb.toString();
}
/**
* 驼峰命名法工具
* @return
* camelCase("hello_world") == "helloWorld"
* capCamelCase("hello_world") == "HelloWorld"
* uncamelCase("helloWorld") = "hello_world"
*/
public static String capCamelCase(String s) {
if (s == null) {
return null;
}
s = camelCase(s);
return s.substring(0, 1).toUpperCase() + s.substring(1);
}
/**
* 驼峰命名法工具
* @return
* camelCase("hello_world") == "helloWorld"
* capCamelCase("hello_world") == "HelloWorld"
* uncamelCase("helloWorld") = "hello_world"
*/
public static String uncamelCase(String s) {
if (s == null) {
return null;
}
StringBuilder sb = new StringBuilder();
boolean upperCase = false;
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
boolean nextUpperCase = true;
if (i < (s.length() - 1)) {
nextUpperCase = Character.isUpperCase(s.charAt(i + 1));
}
if ((i > 0) && Character.isUpperCase(c)) {
if (!upperCase || !nextUpperCase) {
sb.append(SEPARATOR);
}
upperCase = true;
} else {
upperCase = false;
}
sb.append(Character.toLowerCase(c));
}
return sb.toString();
}
/**
* 转换为JS获取对象值，生成三目运算返回结果
* @param objectString 对象串
* 例如：row.user.id
* 返回：!row?'':!row.user?'':!row.user.id?'':row.user.id
*/
public static String jsGetVal(String objectString){
StringBuilder result = new StringBuilder();
StringBuilder val = new StringBuilder();
String[] vals = split(objectString, ".");
for (int i=0; i<vals.length; i++){
val.append("." + vals[i]);
result.append("!"+(val.substring(1))+"?'':");
}
result.append(val.substring(1));
return result.toString();
}
/**
* 获取随机字符串
* @param count
* @return
*/
public static String getRandomStr(int count) {
char[] codeSeq = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
Random random = new Random();
StringBuilder s = new StringBuilder();
for (int i = 0; i < count; i++) {
String r = String.valueOf(codeSeq[random.nextInt(codeSeq.length)]);
s.append(r);
}
return s.toString();
}
/**
* 获取随机数字
* @param count
* @return
*/
public static String getRandomNum(int count) {
char[] codeSeq = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
Random random = new Random();
StringBuilder s = new StringBuilder();
for (int i = 0; i < count; i++) {
String r = String.valueOf(codeSeq[random.nextInt(codeSeq.length)]);
s.append(r);
}
return s.toString();
}
/**
* 获取树节点名字
* @param isShowCode 是否显示编码<br>
* true or 1：显示在左侧：(code)name<br>
* 2：显示在右侧：name(code)<br>
* false or null：不显示编码：name
* @param code 编码
* @param name 名称
* @return
*/
public static String getTreeNodeName(String isShowCode, String code, String name) {
if ("true".equals(isShowCode) || "1".equals(isShowCode)) {
return "(" + code + ") " + StringUtils.replace(name, " ", "");
} else if ("2".equals(isShowCode)) {
return StringUtils.replace(name, " ", "") + " (" + code + ")";
} else {
return StringUtils.replace(name, " ", "");
}
}
}
