SeekableByteArrayInput.java

/**
 * 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.avro.file;

import java.io.ByteArrayInputStream;
import java.io.IOException;

/** A {@link SeekableInput} backed with data in a byte array. */
public class SeekableByteArrayInput extends ByteArrayInputStream implements SeekableInput {

    public SeekableByteArrayInput(byte[] data) {
        super(data);
    }

    public long length() throws IOException {
        return this.count;
    }

    public void seek(long p) throws IOException {
        this.reset();
        this.skip(p);
    }

    public long tell() throws IOException {
        return this.pos;
    }
}