com.github.edgar615.util.validation.DateTimeRule Maven / Gradle / Ivy
package com.github.edgar615.util.validation;
import com.google.common.base.MoreObjects;
import com.google.common.collect.Lists;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 日期格式yyyy-MM-dd HH:mm:ss.
*
* 只校验String类型的值，其他类型默认为非法.
*
* @author Edgar Date 2016/1/6
*/
class DateTimeRule implements Rule {
/**
* 正则表达式
*/
private static final Pattern PATTERN = Pattern
.compile("\\d{4}-\\d{1,2}-\\d{1,2}T0[0-9]:[0-5][0-9]:[0-5][0-9]" +
"|\\d{4}-\\d{1,2}-\\d{1,2} 1[0-9]:[0-5][0-9]:[0-5][0-9]" +
"|\\d{4}-\\d{1,2}-\\d{1,2} 2[0-3]:[0-5][0-9]:[0-5][0-9]");
private static final String KEY = "datetime";
private static final String TRUE = "true";
private DateTimeRule() {
}
static Rule create() {
return new DateTimeRule();
}
@Override
public String message() {
return "Must match pattern: 'yyyy-MM-dd HH:mm:ss'";
}
@Override
public boolean isValid(Object property) {
if (property != null && (property instanceof String)) {
String str = String.class.cast(property);
Matcher matcher = PATTERN.matcher(str);
return matcher.matches();
}
return true;
}
@Override
public String toString() {
return MoreObjects.toStringHelper("DateTimeRule")
.toString();
}
static class Parser implements RuleParser {
@Override
public Rule parse(List keyAndValue) {
String key = keyAndValue.get(0);
if (!KEY.equals(key)) {
return null;
}
if (keyAndValue.size() == 1) {
return new DateTimeRule();
}
if (TRUE.equalsIgnoreCase(keyAndValue.get(1))) {
return new DateTimeRule();
}
return null;
}
@Override
public List toParsableString(Rule rule) {
if (rule instanceof DateTimeRule) {
return Lists.newArrayList(KEY);
}
return Lists.newArrayList();
}
}
}