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The Fedora Commons repository HTTP commons module: Provides HTTP (JAX-RS) resources and helpers for use in assembling HTTP APIs over the Fedora Commons repository framework.

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/*
 * Licensed to DuraSpace under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership.
 *
 * DuraSpace 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.fcrepo.http.commons.responses;

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

import org.apache.commons.io.input.BoundedInputStream;

/**
 * An {@link InputStream} that skips bytes and only returns the data up to a certain limit
 *
 * @author awoods
 * @author ajs6f
 */
public class RangeRequestInputStream extends BoundedInputStream {

    /**
     * @param in the underlying input stream, or null if
     *           this instance is to be created without an underlying stream.
     * @param skip the number of bytes to skip at the beginning of the stream
     * @param length the number of bytes from the inputstream to read
     * @throws IOException if IO exception occurred
     */
    public RangeRequestInputStream(final InputStream in, final long skip, final long length) throws IOException {
        super(in, length);
        in.skip(skip);
    }
}