org.dominokit.jackson.deser.array.dd.PrimitiveByteArray2dJsonDeserializer Maven / Gradle / Ivy
/*
* Copyright 2014 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.array.dd;
import java.util.ArrayList;
import java.util.List;
import org.dominokit.jackson.JsonDeserializationContext;
import org.dominokit.jackson.JsonDeserializerParameters;
import org.dominokit.jackson.deser.BaseNumberJsonDeserializer;
import org.dominokit.jackson.stream.JsonReader;
import org.dominokit.jackson.stream.JsonToken;
import org.dominokit.jackson.utils.Base64Utils;
/** Default {@link org.dominokit.jackson.JsonDeserializer} implementation for 2D array of byte. */
public class PrimitiveByteArray2dJsonDeserializer
extends AbstractArray2dJsonDeserializer {
private static final PrimitiveByteArray2dJsonDeserializer INSTANCE =
new PrimitiveByteArray2dJsonDeserializer();
/**
* getInstance
*
* @return an instance of {@link
* org.dominokit.jackson.deser.array.dd.PrimitiveByteArray2dJsonDeserializer}
*/
public static PrimitiveByteArray2dJsonDeserializer getInstance() {
return INSTANCE;
}
private PrimitiveByteArray2dJsonDeserializer() {}
/** {@inheritDoc} */
@Override
public byte[][] doDeserialize(
JsonReader reader, JsonDeserializationContext ctx, JsonDeserializerParameters params) {
byte[][] result;
reader.beginArray();
JsonToken token = reader.peek();
if (JsonToken.END_ARRAY == token) {
// empty array
result = new byte[0][0];
} else if (JsonToken.STRING == token) {
// byte[] are encoded as String
List list = new ArrayList();
int size = 0;
while (JsonToken.END_ARRAY != token) {
byte[] decoded = Base64Utils.fromBase64(reader.nextString());
size = Math.max(size, decoded.length);
list.add(decoded);
token = reader.peek();
}
result = new byte[list.size()][size];
int i = 0;
for (byte[] value : list) {
if (null != value) {
result[i] = value;
}
i++;
}
} else {
List> list =
doDeserializeIntoList(
reader,
ctx,
BaseNumberJsonDeserializer.ByteJsonDeserializer.getInstance(),
params,
token);
List firstList = list.get(0);
if (firstList.isEmpty()) {
result = new byte[list.size()][0];
} else {
result = new byte[list.size()][firstList.size()];
int i = 0;
int j;
for (List innerList : list) {
j = 0;
for (Byte value : innerList) {
if (null != value) {
result[i][j] = value;
}
j++;
}
i++;
}
}
}
reader.endArray();
return result;
}
}