DelegateInputStream.java

/*
 * Copyright 2015-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.amazonaws.internal;

import java.io.IOException;
import java.io.InputStream;

/**
 * InputStream delegate class. Subclasses could extend this class, so that
 * they need only override methods they are interested in enhancing.
 *
 */
public class DelegateInputStream extends InputStream {

    protected final InputStream in;

    public DelegateInputStream(InputStream in) {
        this.in = in;
    }

    public int read() throws IOException {
        return in.read();
    }

    public int read(byte b[]) throws IOException {
        return in.read(b);
    }
    public int read(byte b[], int off, int len) throws IOException {
        return in.read(b, off, len);
    }

    public long skip(long n) throws IOException {
        return in.skip(n);
    }
    public int available() throws IOException {
        return in.available();
    }
    public void close() throws IOException {
        in.close();
    }

    public void mark(int readlimit) {
        in.mark(readlimit);
    }
    public void reset() throws IOException {
        in.reset();
    }

    public boolean markSupported() {
        return in.markSupported();
    }

}