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/*
 * 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.sshd.netty;

import org.apache.sshd.common.util.Readable;

import io.netty.buffer.ByteBuf;

/**
 * @author Julien Viet
 * @author Apache MINA SSHD Project
 */
public final class NettySupport {

    private NettySupport() {
        throw new UnsupportedOperationException("No instance allowed");
    }

    public static Readable asReadable(ByteBuf buffer) {
        return new Readable() {
            @Override
            public int available() {
                return buffer.readableBytes();
            }

            @Override
            public void getRawBytes(byte[] data, int offset, int len) {
                buffer.getBytes(0, data, offset, len);
            }
        };
    }
}