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GsonSerializer.java
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GsonSerializer.java
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/*
* Copyright (C) 2014 jsonwebtoken.io
*
* 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 io.jsonwebtoken.gson.io;
import com.google.gson.Gson;
import io.jsonwebtoken.io.SerializationException;
import io.jsonwebtoken.io.Serializer;
import io.jsonwebtoken.lang.Assert;
import io.jsonwebtoken.lang.Objects;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;
@SuppressWarnings("DeprecatedIsStillUsed")
@Deprecated
public class GsonSerializer<T> extends GsonWriter<T> implements Serializer<T> {
public GsonSerializer() {
super();
}
public GsonSerializer(Gson gson) {
super(gson);
}
@SuppressWarnings("deprecation")
@Override
public byte[] serialize(T t) throws SerializationException {
Assert.notNull(t, "Object to serialize cannot be null.");
try {
return writeValueAsBytes(t);
} catch (Throwable ex) {
String msg = "Unable to serialize object: " + ex.getMessage();
throw new SerializationException(msg, ex);
}
}
protected byte[] writeValueAsBytes(T t) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream(256);
OutputStreamWriter writer = new OutputStreamWriter(baos, StandardCharsets.UTF_8);
try {
write(writer, t);
} finally {
Objects.nullSafeClose(writer);
}
return baos.toByteArray();
}
}