org.apache.commons.lang3.StringUtils#swapCase ( )源码实例Demo

@Override
public void apply(String idProcess, ParameterTransformation parameterTransformation, ObjectNode jsonValue) {
    if (has(parameterTransformation.getKeyField(), jsonValue)) {
        JsonNode valueField = at(parameterTransformation.getKeyField(), jsonValue);
        String capitalized = StringUtils.swapCase(valueField.textValue());
        put(jsonValue, parameterTransformation.getKeyField(), capitalized);
    }
}
 

@Override
protected String handleSingleStr(String input) {
    return StringUtils.swapCase(input);
}
 

@Test
public void givenString_whenSwappingCase_thenCorrect() {
    String originalString = "baeldung.COM";
    String swappedString = StringUtils.swapCase(originalString);
    assertEquals("BAELDUNG.com", swappedString);
}