/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.camel.quarkus.component.avro;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import io.quarkus.runtime.ObjectSubstitution;
import org.apache.avro.Schema;

/**
 * {@code AvroSchemaSubstitution} offers a way to bypass Quarkus
 * default serialization. This workaround has been introduced as Quarkus default
 * serialization used to failed with {@code org.apache.avro.Schema}.
 */
public class AvroSchemaSubstitution implements ObjectSubstitution<Schema, byte[]> {

    @Override
    public byte[] serialize(Schema schema) {
        final ByteArrayOutputStream baos = new ByteArrayOutputStream(512);
        try (ObjectOutputStream out = new ObjectOutputStream(baos)) {
            out.writeObject(schema);
        } catch (final IOException ex) {
            throw new RuntimeException("Could not serialize " + Schema.class.getName() + " " + schema, ex);
        }
        return baos.toByteArray();
    }

    @Override
    public Schema deserialize(byte[] schemaBytes) {
        final InputStream inputStream = new ByteArrayInputStream(schemaBytes);
        try (ObjectInputStream in = new ObjectInputStream(inputStream)) {
            return (Schema) in.readObject();
        } catch (final ClassNotFoundException | IOException ex) {
            throw new RuntimeException("Could not deserialize " + Schema.class.getName(), ex);
        }
    }

}
