/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.jooby.internal.parser;
import static java.util.Objects.requireNonNull;
import java.time.Instant;
import java.time.LocalDate;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Optional;
import javax.inject.Inject;
import org.jooby.Parser;
import com.google.inject.TypeLiteral;
public class LocalDateParser implements Parser {
private DateTimeFormatter formatter;
@Inject
public LocalDateParser(final DateTimeFormatter formatter) {
this.formatter = requireNonNull(formatter, "A date time formatter is required.");
}
@Override
public Object parse(final TypeLiteral<?> type, final Parser.Context ctx) throws Throwable {
if (type.getRawType() == LocalDate.class) {
return ctx
.param(values -> parse(formatter, NOT_EMPTY.apply(values.get(0))))
.body(body -> parse(formatter, NOT_EMPTY.apply(body.text())));
} else {
return ctx.next();
}
}
@Override
public String toString() {
return "LocalDate";
}
private static LocalDate parse(final DateTimeFormatter formatter, final String value) {
try {
Instant epoch = Instant.ofEpochMilli(Long.parseLong(value));
ZonedDateTime zonedDate = epoch.atZone(
Optional.ofNullable(formatter.getZone())
.orElse(ZoneId.systemDefault())
);
return zonedDate.toLocalDate();
} catch (NumberFormatException ex) {
return LocalDate.parse(value, formatter);
}
}
}