develop.toolkit.base.utils.JavaBeanUtils Maven / Gradle / Ivy
package develop.toolkit.base.utils;
/**
* @author qiushui on 2018-10-03.
* @since 0.1
*/
@SuppressWarnings("unused")
public final class JavaBeanUtils {
/**
* 根据属性名称和java类型，获取对应的getter方法名
*/
public static String getGetterMethodName(String property, Class javaType) {
StringBuilder sb = new StringBuilder();
sb.append(property);
if (Character.isLowerCase(sb.charAt(0))) {
if (sb.length() == 1 || !Character.isUpperCase(sb.charAt(1))) {
sb.setCharAt(0, Character.toUpperCase(sb.charAt(0)));
}
}
if (javaType == boolean.class || javaType == Boolean.class) {
sb.insert(0, "is");
} else {
sb.insert(0, "get");
}
return sb.toString();
}
/**
* 根据属性名称获取对应的setter方法名称
*/
public static String getSetterMethodName(String property) {
StringBuilder sb = new StringBuilder();
sb.append(property);
if (Character.isLowerCase(sb.charAt(0))) {
if (sb.length() == 1 || !Character.isUpperCase(sb.charAt(1))) {
sb.setCharAt(0, Character.toUpperCase(sb.charAt(0)));
}
}
sb.insert(0, "set");
return sb.toString();
}
/**
* 驼峰转下划线
*/
public static String camelcaseToUnderline(String camelcaseString) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < camelcaseString.length(); i++) {
char c = camelcaseString.charAt(i);
if (i != 0 && c >= 'A' && c <= 'Z') {
sb.append('_').append((char) (c + 32));
} else {
sb.append(c);
}
}
return sb.toString();
}
/**
* 驼峰转中划线
*/
public static String camelcaseToMiddleLine(String camelcaseString) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < camelcaseString.length(); i++) {
char c = camelcaseString.charAt(i);
if (c >= 'A' && c <= 'Z') {
if (i > 0) {
sb.append('-');
}
sb.append((char) (c + 32));
} else {
sb.append(c);
}
}
return sb.toString();
}
/**
* 下划线转驼峰
*/
public static String underlineToCamelcase(String underlineString) {
StringBuilder sb = new StringBuilder();
boolean nextUpperCase = false;
for (int i = 0; i < underlineString.length(); i++) {
char c = underlineString.charAt(i);
if (c == '_') {
nextUpperCase = i != 0;
continue;
}
if (nextUpperCase) {
sb.append((char) (c - 32));
nextUpperCase = false;
} else {
sb.append(c);
}
}
return sb.toString();
}
/**
* 中划线转驼峰
*/
public static String middleLineToCamelcase(String middleLineString) {
StringBuilder sb = new StringBuilder();
boolean nextUpperCase = false;
for (int i = 0; i < middleLineString.length(); i++) {
char c = middleLineString.charAt(i);
if (c == '-') {
nextUpperCase = i != 0;
continue;
}
if (nextUpperCase) {
sb.append((char) (c - 32));
nextUpperCase = false;
} else {
sb.append(c);
}
}
return sb.toString();
}
/**
* 开头字母转大写
*/
public static String startUpperCaseText(String text) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < text.length(); i++) {
char c = text.charAt(i);
if (i == 0 && c >= 'a' && c <= 'z') {
sb.append((char) (c - 32));
} else {
sb.append(c);
}
}
return sb.toString();
}
/**
* 开头字母转小写
*/
public static String startLowerCaseText(String text) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < text.length(); i++) {
char c = text.charAt(i);
if (i == 0 && c >= 'A' && c <= 'Z') {
sb.append((char) (c + 32));
} else {
sb.append(c);
}
}
return sb.toString();
}
}