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cn.ocoop.framework.common.json.DateTimeDeserializer Maven / Gradle / Ivy
package cn.ocoop.framework.common.json;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.google.common.collect.Maps;
import org.apache.commons.lang3.StringUtils;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class DateTimeDeserializer extends JsonDeserializer {
public static final String YYYY_MM_DD_HH_MM_SS = "yyyy$1MM$2dd$3HH$4mm$5ss$6";
public static final String YYYY_MM_DD_HH_MM = "yyyy$1MM$2dd$3HH$4mm$5";
public static final String YYYY_MM_DD_HH = "yyyy$1MM$2dd$3HH$4";
public static final String YYYY_MM_DD = "yyyy$1MM$2dd$3";
public static final String YYYY_MM = "yyyy$1MM$2";
public static final String HH_MM_SS = "HH$1mm$2ss$3";
public static final String HH_MM = "HH$1mm$2";
private static final Map patternMap = Maps.newLinkedHashMap();
static {
patternMap.put(YYYY_MM_DD_HH_MM_SS, Pattern.compile("^\\d{4}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]?)$"));
patternMap.put(YYYY_MM_DD_HH_MM, Pattern.compile("^\\d{4}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]?)$"));
patternMap.put(YYYY_MM_DD_HH, Pattern.compile("^\\d{4}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]?)$"));
patternMap.put(YYYY_MM_DD, Pattern.compile("^\\d{4}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]?)$"));
patternMap.put(YYYY_MM, Pattern.compile("^\\d{4}([^\\d]+)\\d{1,2}([^\\d]?)$"));
patternMap.put(HH_MM_SS, Pattern.compile("^\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]?)$"));
patternMap.put(HH_MM, Pattern.compile("^\\d{1,2}([^\\d]+)\\d{1,2}([^\\d]?)$"));
}
public static void main(String[] args) {
System.out.println(getPattern("2014/10/10 11:11:11"));
System.out.println(getPattern("2014-10-10"));
System.out.println(getPattern("2014-10-10 11:11"));
System.out.println(getPattern("2014-10"));
System.out.println(getPattern("2014年10月10日 11点11分11秒"));
System.out.println(getPattern("11:11:11"));
System.out.println(getPattern("11点11分"));
}
public static String getPattern(String dateString) {
for (Map.Entry entry : patternMap.entrySet()) {
Matcher matcher = entry.getValue().matcher(dateString);
if (matcher.find()) {
if (YYYY_MM_DD_HH_MM_SS.equals(entry.getKey())) {
return YYYY_MM_DD_HH_MM_SS.replace("$1", matcher.group(1))
.replace("$2", matcher.group(2))
.replace("$3", matcher.group(3))
.replace("$4", matcher.group(4))
.replace("$5", matcher.group(5))
.replace("$6", matcher.group(6));
}
if (YYYY_MM_DD_HH_MM.equals(entry.getKey())) {
return YYYY_MM_DD_HH_MM.replace("$1", matcher.group(1))
.replace("$2", matcher.group(2))
.replace("$3", matcher.group(3))
.replace("$4", matcher.group(4))
.replace("$5", matcher.group(5));
}
if (YYYY_MM_DD_HH.equals(entry.getKey())) {
return YYYY_MM_DD_HH.replace("$1", matcher.group(1))
.replace("$2", matcher.group(2))
.replace("$3", matcher.group(3))
.replace("$4", matcher.group(4));
}
if (YYYY_MM_DD.equals(entry.getKey())) {
return YYYY_MM_DD.replace("$1", matcher.group(1))
.replace("$2", matcher.group(2))
.replace("$3", matcher.group(3));
}
if (YYYY_MM.equals(entry.getKey())) {
return YYYY_MM.replace("$1", matcher.group(1))
.replace("$2", matcher.group(2));
}
if (HH_MM_SS.equals(entry.getKey())) {
return HH_MM_SS.replace("$1", matcher.group(1))
.replace("$2", matcher.group(2))
.replace("$3", matcher.group(3));
}
if (HH_MM.equals(entry.getKey())) {
return HH_MM.replace("$1", matcher.group(1))
.replace("$2", matcher.group(2));
}
}
}
return null;
}
@Override
public LocalDateTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
if (StringUtils.isBlank(p.getText())) {
return null;
}
String pattern = getPattern(p.getText());
if (pattern == null) throw new RuntimeException("不支持的日期格式:" + p.getText());
return LocalDateTime.parse(p.getText(), DateTimeFormatter.ofPattern(pattern));
}
}
