/*
* ToroDB
* Copyright © 2014 8Kdata Technology (www.8kdata.com)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.torodb.backend.postgresql.converters.json;
import com.google.common.collect.Maps;
import com.torodb.backend.converters.ValueConverter;
import com.torodb.backend.converters.json.BinaryValueToJsonConverter;
import com.torodb.backend.converters.json.BooleanValueToJsonConverter;
import com.torodb.backend.converters.json.DateValueToJsonConverter;
import com.torodb.backend.converters.json.DoubleValueToJsonConverter;
import com.torodb.backend.converters.json.InstantValueToJsonConverter;
import com.torodb.backend.converters.json.IntegerValueToJsonConverter;
import com.torodb.backend.converters.json.LongValueToJsonConverter;
import com.torodb.backend.converters.json.MongoObjectIdValueToJsonConverter;
import com.torodb.backend.converters.json.MongoTimestampValueToJsonConverter;
import com.torodb.backend.converters.json.NullValueToJsonConverter;
import com.torodb.backend.converters.json.StringValueToJsonConverter;
import com.torodb.backend.converters.json.TimeValueToJsonConverter;
import com.torodb.backend.converters.json.ValueToJsonConverterProvider;
import com.torodb.backend.postgresql.converters.array.PostgreSqlValueToArrayConverterProvider;
import com.torodb.kvdocument.types.ArrayType;
import com.torodb.kvdocument.types.BinaryType;
import com.torodb.kvdocument.types.BooleanType;
import com.torodb.kvdocument.types.DateType;
import com.torodb.kvdocument.types.DoubleType;
import com.torodb.kvdocument.types.InstantType;
import com.torodb.kvdocument.types.IntegerType;
import com.torodb.kvdocument.types.KvType;
import com.torodb.kvdocument.types.LongType;
import com.torodb.kvdocument.types.MongoObjectIdType;
import com.torodb.kvdocument.types.MongoTimestampType;
import com.torodb.kvdocument.types.NullType;
import com.torodb.kvdocument.types.StringType;
import com.torodb.kvdocument.types.TimeType;
import java.util.Map;
import javax.annotation.Nonnull;
public class PostgreSqlValueToJsonConverterProvider implements ValueToJsonConverterProvider {
private static final long serialVersionUID = 1L;
private final Map<Class<? extends KvType>, ValueConverter<?, ?>> converters;
private PostgreSqlValueToJsonConverterProvider() {
converters = Maps.newHashMap();
converters.put(ArrayType.class, new ArrayValueToJsonConverter(
PostgreSqlValueToArrayConverterProvider.getInstance()));
converters.put(BooleanType.class, new BooleanValueToJsonConverter());
converters.put(DateType.class, new DateValueToJsonConverter());
converters.put(InstantType.class, new InstantValueToJsonConverter());
converters.put(DoubleType.class, new DoubleValueToJsonConverter());
converters.put(IntegerType.class, new IntegerValueToJsonConverter());
converters.put(LongType.class, new LongValueToJsonConverter());
converters.put(NullType.class, new NullValueToJsonConverter());
converters.put(StringType.class, new StringValueToJsonConverter());
converters.put(TimeType.class, new TimeValueToJsonConverter());
converters.put(MongoObjectIdType.class, new MongoObjectIdValueToJsonConverter());
converters.put(MongoTimestampType.class, new MongoTimestampValueToJsonConverter());
converters.put(BinaryType.class, new BinaryValueToJsonConverter());
}
public static PostgreSqlValueToJsonConverterProvider getInstance() {
return ValueToJsonConverterProviderHolder.INSTANCE;
}
@Nonnull
@Override
public ValueConverter<?, ?> getConverter(KvType valueType) {
ValueConverter<?, ?> converter = converters.get(valueType.getClass());
if (converter == null) {
throw new AssertionError("There is no converter that converts "
+ "elements of type " + valueType);
}
return converter;
}
private static class ValueToJsonConverterProviderHolder {
private static final PostgreSqlValueToJsonConverterProvider INSTANCE =
new PostgreSqlValueToJsonConverterProvider();
}
//@edu.umd.cs.findbugs.annotations.SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD")
private Object readResolve() {
return PostgreSqlValueToJsonConverterProvider.getInstance();
}
}