io.micronaut.serde.support.serdes.BooleanArraySerde Maven / Gradle / Ivy

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/*
 * Copyright 2017-2024 original authors
 *
 * 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
 *
 * https://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.micronaut.serde.support.serdes;

import io.micronaut.core.annotation.Internal;
import io.micronaut.core.annotation.NonNull;
import io.micronaut.core.type.Argument;
import io.micronaut.serde.Decoder;
import io.micronaut.serde.Encoder;
import io.micronaut.serde.support.SerdeRegistrar;

import java.io.IOException;
import java.util.Arrays;

@Internal
final class BooleanArraySerde implements SerdeRegistrar {
    @Override
    public boolean[] deserialize(Decoder decoder, DecoderContext decoderContext, Argument type)
        throws IOException {
        final Decoder arrayDecoder = decoder.decodeArray();
        boolean[] buffer = new boolean[50];
        int index = 0;
        while (arrayDecoder.hasNextArrayValue()) {
            if (buffer.length == index) {
                buffer = Arrays.copyOf(buffer, buffer.length * 2);
            }
            if (!arrayDecoder.decodeNull()) {
                buffer[index] = arrayDecoder.decodeBoolean();
            }
            index++;
        }
        arrayDecoder.finishStructure();
        return Arrays.copyOf(buffer, index);
    }

    @Override
    public boolean[] deserializeNullable(@NonNull Decoder decoder, @NonNull DecoderContext context, @NonNull Argument type) throws IOException {
        if (decoder.decodeNull()) {
            return null;
        }
        return deserialize(decoder, context, type);
    }

    @Override
    public void serialize(Encoder encoder,
                          EncoderContext context,
                          Argument type, boolean[] value) throws IOException {
        final Encoder arrayEncoder = encoder.encodeArray(type);
        for (boolean i : value) {
            arrayEncoder.encodeBoolean(i);
        }
        arrayEncoder.finishStructure();
    }

    @Override
    public boolean isEmpty(EncoderContext context, boolean[] value) {
        return value == null || value.length == 0;
    }

    @Override
    public Argument getType() {
        return Argument.of(boolean[].class);
    }
}