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DateResolver.java
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package act.data;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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.
* #L%
*/
import act.conf.AppConfig;
import org.osgl.logging.L;
import org.osgl.logging.Logger;
import org.osgl.util.S;
import org.osgl.util.StringValueResolver;
import javax.inject.Inject;
import javax.inject.Singleton;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
@Singleton
public class DateResolver extends StringValueResolver<Date> {
static Logger logger = L.get(DateResolver.class);
private DateFormat dateFormat;
@Inject
public DateResolver(AppConfig config) {
String pattern = config.dateTimeFormat();
if (null == pattern || pattern.contains("8601") || pattern.contains("iso")) {
dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssX");
} else {
dateFormat = new SimpleDateFormat(pattern);
}
}
public DateResolver(String pattern) {
dateFormat = new SimpleDateFormat(pattern);
}
@Override
public Date resolve(String value) {
if (S.blank(value)) {
return null;
}
try {
return dateFormat.parse(value);
} catch (ParseException e) {
logger.error("error parsing date value from: %s", value);
return null;
}
}
}