com.alibaba.fastjson.PropertyNamingStrategy Maven / Gradle / Ivy
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package com.alibaba.fastjson;
/**
* @since 1.2.15
*/
public enum PropertyNamingStrategy {
CamelCase, // camelCase
PascalCase, // PascalCase
SnakeCase, // snake_case
KebabCase, // kebab-case
NoChange, //
NeverUseThisValueExceptDefaultValue;
public String translate(String propertyName) {
switch (this) {
case SnakeCase: {
StringBuilder buf = new StringBuilder();
for (int i = 0; i < propertyName.length(); ++i) {
char ch = propertyName.charAt(i);
if (ch >= 'A' && ch <= 'Z') {
char ch_ucase = (char) (ch + 32);
if (i > 0) {
buf.append('_');
}
buf.append(ch_ucase);
} else {
buf.append(ch);
}
}
return buf.toString();
}
case KebabCase: {
StringBuilder buf = new StringBuilder();
for (int i = 0; i < propertyName.length(); ++i) {
char ch = propertyName.charAt(i);
if (ch >= 'A' && ch <= 'Z') {
char ch_ucase = (char) (ch + 32);
if (i > 0) {
buf.append('-');
}
buf.append(ch_ucase);
} else {
buf.append(ch);
}
}
return buf.toString();
}
case PascalCase: {
char ch = propertyName.charAt(0);
if (ch >= 'a' && ch <= 'z') {
char[] chars = propertyName.toCharArray();
chars[0] -= 32;
return new String(chars);
}
return propertyName;
}
case CamelCase: {
char ch = propertyName.charAt(0);
if (ch >= 'A' && ch <= 'Z') {
char[] chars = propertyName.toCharArray();
chars[0] += 32;
return new String(chars);
}
return propertyName;
}
case NoChange:
case NeverUseThisValueExceptDefaultValue:
default:
return propertyName;
}
}
}