/*
 * Copyright (c) nosqlbench
 *
 * 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.nosqlbench.virtdata.library.basics.shared.from_bytebuffer.to_string;

import com.amazonaws.util.Base64;
import io.nosqlbench.virtdata.api.annotations.Categories;
import io.nosqlbench.virtdata.api.annotations.Category;
import io.nosqlbench.virtdata.api.annotations.ThreadSafeMapper;

import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.function.Function;

/**
 * Takes a bytebuffer and turns it into a base64 string
 */

@ThreadSafeMapper
@Categories({Category.general})
public class ToBase64 implements Function<ByteBuffer, String> {

    @Override
    public String apply(ByteBuffer input) {
        ByteBuffer bb = input.asReadOnlyBuffer();
        bb.position(0);
        byte[] b = new byte[bb.limit()];
        bb.get(b, 0, b.length);
        return Base64.encodeAsString(b);
    }

}
