org.dominokit.jackson.deser.map.key.BaseNumberKeyDeserializer Maven / Gradle / Ivy
/*
* Copyright 2013 Nicolas Morel
*
* 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 org.dominokit.jackson.deser.map.key;
import java.math.BigDecimal;
import java.math.BigInteger;
import org.dominokit.jackson.JsonDeserializationContext;
/**
* Base implementation of {@link org.dominokit.jackson.deser.map.key.KeyDeserializer} for {@link
* java.lang.Number}s.
*/
public abstract class BaseNumberKeyDeserializer extends KeyDeserializer {
/** Default implementation of {@link BaseNumberKeyDeserializer} for {@link BigDecimal} */
public static final class BigDecimalKeyDeserializer
extends BaseNumberKeyDeserializer {
private static final BigDecimalKeyDeserializer INSTANCE = new BigDecimalKeyDeserializer();
/** @return an instance of {@link BigDecimalKeyDeserializer} */
public static BigDecimalKeyDeserializer getInstance() {
return INSTANCE;
}
private BigDecimalKeyDeserializer() {}
@Override
protected BigDecimal doDeserialize(String key, JsonDeserializationContext ctx) {
return new BigDecimal(key);
}
}
/** Default implementation of {@link BaseNumberKeyDeserializer} for {@link BigInteger} */
public static final class BigIntegerKeyDeserializer
extends BaseNumberKeyDeserializer {
private static final BigIntegerKeyDeserializer INSTANCE = new BigIntegerKeyDeserializer();
/** @return an instance of {@link BigIntegerKeyDeserializer} */
public static BigIntegerKeyDeserializer getInstance() {
return INSTANCE;
}
private BigIntegerKeyDeserializer() {}
@Override
protected BigInteger doDeserialize(String key, JsonDeserializationContext ctx) {
return new BigInteger(key);
}
}
/** Default implementation of {@link BaseNumberKeyDeserializer} for {@link Byte} */
public static final class ByteKeyDeserializer extends BaseNumberKeyDeserializer {
private static final ByteKeyDeserializer INSTANCE = new ByteKeyDeserializer();
/** @return an instance of {@link ByteKeyDeserializer} */
public static ByteKeyDeserializer getInstance() {
return INSTANCE;
}
private ByteKeyDeserializer() {}
@Override
protected Byte doDeserialize(String key, JsonDeserializationContext ctx) {
return Byte.valueOf(key);
}
}
/** Default implementation of {@link BaseNumberKeyDeserializer} for {@link Double} */
public static final class DoubleKeyDeserializer extends BaseNumberKeyDeserializer {
private static final DoubleKeyDeserializer INSTANCE = new DoubleKeyDeserializer();
/** @return an instance of {@link DoubleKeyDeserializer} */
public static DoubleKeyDeserializer getInstance() {
return INSTANCE;
}
private DoubleKeyDeserializer() {}
@Override
protected Double doDeserialize(String key, JsonDeserializationContext ctx) {
return Double.valueOf(key);
}
}
/** Default implementation of {@link BaseNumberKeyDeserializer} for {@link Float} */
public static final class FloatKeyDeserializer extends BaseNumberKeyDeserializer {
private static final FloatKeyDeserializer INSTANCE = new FloatKeyDeserializer();
/** @return an instance of {@link FloatKeyDeserializer} */
public static FloatKeyDeserializer getInstance() {
return INSTANCE;
}
private FloatKeyDeserializer() {}
@Override
protected Float doDeserialize(String key, JsonDeserializationContext ctx) {
return Float.valueOf(key);
}
}
/** Default implementation of {@link BaseNumberKeyDeserializer} for {@link Integer} */
public static final class IntegerKeyDeserializer extends BaseNumberKeyDeserializer {
private static final IntegerKeyDeserializer INSTANCE = new IntegerKeyDeserializer();
/** @return an instance of {@link IntegerKeyDeserializer} */
public static IntegerKeyDeserializer getInstance() {
return INSTANCE;
}
private IntegerKeyDeserializer() {}
@Override
protected Integer doDeserialize(String key, JsonDeserializationContext ctx) {
return Integer.valueOf(key);
}
}
/** Default implementation of {@link BaseNumberKeyDeserializer} for {@link Long} */
public static final class LongKeyDeserializer extends BaseNumberKeyDeserializer {
private static final LongKeyDeserializer INSTANCE = new LongKeyDeserializer();
/** @return an instance of {@link LongKeyDeserializer} */
public static LongKeyDeserializer getInstance() {
return INSTANCE;
}
private LongKeyDeserializer() {}
@Override
protected Long doDeserialize(String key, JsonDeserializationContext ctx) {
return Long.valueOf(key);
}
}
/** Default implementation of {@link BaseNumberKeyDeserializer} for {@link Short} */
public static final class ShortKeyDeserializer extends BaseNumberKeyDeserializer {
private static final ShortKeyDeserializer INSTANCE = new ShortKeyDeserializer();
/** @return an instance of {@link ShortKeyDeserializer} */
public static ShortKeyDeserializer getInstance() {
return INSTANCE;
}
private ShortKeyDeserializer() {}
@Override
protected Short doDeserialize(String key, JsonDeserializationContext ctx) {
return Short.valueOf(key);
}
}
}