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package act.util;
/*-
* #%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.app.App;
import act.data.JodaDateTimeCodec;
import act.data.JodaLocalDateCodec;
import act.data.JodaLocalDateTimeCodec;
import act.data.JodaLocalTimeCodec;
import com.alibaba.fastjson.parser.DefaultJSONParser;
import com.alibaba.fastjson.parser.JSONLexer;
import com.alibaba.fastjson.parser.JSONToken;
import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
import com.alibaba.fastjson.serializer.JSONSerializer;
import com.alibaba.fastjson.serializer.ObjectSerializer;
import com.alibaba.fastjson.serializer.SerializeWriter;
import org.joda.time.*;
import javax.inject.Inject;
import javax.inject.Singleton;
import java.io.IOException;
import java.lang.reflect.Type;
@Singleton
public class FastJsonJodaDateCodec extends DestroyableBase implements ObjectSerializer, ObjectDeserializer {
private JodaDateTimeCodec dateTimeCodec;
private JodaLocalDateCodec localDateCodec;
private JodaLocalTimeCodec localTimeCodec;
private JodaLocalDateTimeCodec localDateTimeCodec;
private App app;
@Inject
public FastJsonJodaDateCodec(App app) {
this.app = app;
}
@SuppressWarnings("unchecked")
public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
JSONLexer lexer = parser.getLexer();
if (lexer.token() == JSONToken.LITERAL_STRING) {
String text = lexer.stringVal();
lexer.nextToken();
if (type == DateTime.class) {
DateTime dateTime = dateTimeCodec().parse(text);
return (T) dateTime;
} else if (type == LocalDateTime.class) {
LocalDateTime localDateTime = localDateTimeCodec().parse(text);
return (T) localDateTime;
} else if (type == LocalDate.class) {
LocalDate localDate = localDateCodec().parse(text);
return (T) localDate;
} else if (type == LocalTime.class) {
LocalTime localDate = LocalTime.parse(text);
return (T) localDate;
} else if (type == Period.class) {
Period period = Period.parse(text);
return (T) period;
} else if (type == Duration.class) {
Duration duration = Duration.parse(text);
return (T) duration;
} else if (type == Instant.class) {
Instant instant = Instant.parse(text);
return (T) instant;
}
} else {
throw new UnsupportedOperationException();
}
return null;
}
public int getFastMatchToken() {
return JSONToken.LITERAL_STRING;
}
public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType, int features) throws IOException {
SerializeWriter out = serializer.getWriter();
if (object == null) {
out.writeNull();
return;
}
Class cls = object.getClass();
if (cls == DateTime.class) {
out.writeString(dateTimeCodec().toString((DateTime) object));
return;
} else if (cls == LocalDateTime.class) {
out.writeString(localDateTimeCodec().toString((LocalDateTime) object));
return;
} else if (cls == LocalDate.class) {
out.writeString(localDateCodec().toString((LocalDate) object));
return;
} else if (cls == LocalTime.class) {
out.writeString(localTimeCodec().toString((LocalTime) object));
return;
}
out.writeString(object.toString());
}
private JodaDateTimeCodec dateTimeCodec() {
if (null == dateTimeCodec) {
dateTimeCodec = app.getInstance(JodaDateTimeCodec.class);
}
return dateTimeCodec;
}
private JodaLocalDateTimeCodec localDateTimeCodec() {
if (null == localDateTimeCodec) {
localDateTimeCodec = app.getInstance(JodaLocalDateTimeCodec.class);
}
return localDateTimeCodec;
}
private JodaLocalDateCodec localDateCodec() {
if (null == localDateCodec) {
localDateCodec = app.getInstance(JodaLocalDateCodec.class);
}
return localDateCodec;
}
private JodaLocalTimeCodec localTimeCodec() {
if (null == localTimeCodec) {
localTimeCodec = app.getInstance(JodaLocalTimeCodec.class);
}
return localTimeCodec;
}
}