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Advanced and thread-safe Java Redis client for synchronous, asynchronous, and reactive usage. Supports Cluster, Sentinel, Pipelining, Auto-Reconnect, Codecs and much more.

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/*
 * Copyright 2011-2016 the original author or 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
 *
 *      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 com.lambdaworks.redis.codec;

import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;

class ByteBufferInputStream extends InputStream {

    private final ByteBuffer buffer;

    public ByteBufferInputStream(ByteBuffer b) {
        this.buffer = b;
    }

    @Override
    public int available() throws IOException {
        return buffer.remaining();
    }

    @Override
    public int read() throws IOException {
        if (buffer.remaining() > 0) {
            return (buffer.get() & 0xFF);
        }
        return -1;
    }
}