io.soliton.protobuf.quartz.ByteBufUtil.java Source code

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Here is the source code for io.soliton.protobuf.quartz.ByteBufUtil.java

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/**
 * Copyright 2014 Julien Silland
 *
 * 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.soliton.protobuf.quartz;

import io.netty.buffer.ByteBuf;

/**
 * Utility methods for {@link io.netty.buffer.ByteBuf}s.
 *
 * @author Peter Foldes (peter.foldes@gmail.com)
 */
class ByteBufUtil {

    public static byte[] getBytes(ByteBuf buffer) {
        byte[] bytes;
        // Not all ByteBuf implementation is backed by a byte array, so check
        if (buffer.hasArray()) {
            bytes = buffer.array();
        } else {
            bytes = new byte[buffer.readableBytes()];
            buffer.getBytes(buffer.readerIndex(), bytes);
        }
        return bytes;
    }

}