org.dominokit.jackson.deser.BooleanJsonDeserializer 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;
import org.dominokit.jackson.JsonDeserializationContext;
import org.dominokit.jackson.JsonDeserializer;
import org.dominokit.jackson.JsonDeserializerParameters;
import org.dominokit.jackson.stream.JsonReader;
import org.dominokit.jackson.stream.JsonToken;
/**
* Default {@link org.dominokit.jackson.JsonDeserializer} implementation for {@link
* java.lang.Boolean}.
*/
public class BooleanJsonDeserializer extends JsonDeserializer {
private static final BooleanJsonDeserializer INSTANCE = new BooleanJsonDeserializer();
/**
* getInstance
*
* @return an instance of {@link org.dominokit.jackson.deser.BooleanJsonDeserializer}
*/
public static BooleanJsonDeserializer getInstance() {
return INSTANCE;
}
private BooleanJsonDeserializer() {}
/** {@inheritDoc} */
@Override
public Boolean doDeserialize(
JsonReader reader, JsonDeserializationContext ctx, JsonDeserializerParameters params) {
JsonToken token = reader.peek();
if (JsonToken.BOOLEAN.equals(token)) {
return reader.nextBoolean();
} else if (JsonToken.STRING.equals(token)) {
return Boolean.valueOf(reader.nextString());
} else if (JsonToken.NUMBER.equals(token)) {
return reader.nextInt() == 1;
} else {
return null;
}
}
}