com.wavemaker.commons.json.deserializer.WMSqlDateDeSerializer Maven / Gradle / Ivy
/**
* Copyright (C) 2020 WaveMaker, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.wavemaker.commons.json.deserializer;
import java.io.IOException;
import java.sql.Date;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import org.apache.commons.lang3.StringUtils;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.wavemaker.commons.MessageResource;
import com.wavemaker.commons.WMRuntimeException;
/**
*
* can deserialize java.sql.date objects represented in the format "yyyy-MM-dd".
* @author Uday Shankar
*/
public class WMSqlDateDeSerializer extends JsonDeserializer {
private static final String DEFAULT_DATE_FORMAT = "yyyy-MM-dd";
@Override
public Date deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
JsonToken currentToken = jsonParser.getCurrentToken();
if (currentToken == JsonToken.VALUE_STRING) {
String value = jsonParser.getText();
return getDate(value);
}
throw new WMRuntimeException(MessageResource.create("com.wavemaker.commons.failed.to.read.token.as.java.sql.Date"));
}
public static Date getDate(String value) {
if (StringUtils.isBlank(value)) {
return null;
}
try {
java.util.Date parsedDate = new SimpleDateFormat(DEFAULT_DATE_FORMAT).parse(value);
return new Date(parsedDate.getTime());
} catch (ParseException e) {
throw new WMRuntimeException(MessageResource.create("com.wavemaker.commons.string.to.date.parse.failure"), e, value, "java.sql.Date");
}
}
}