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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.parquet.hadoop.codec;

import org.apache.parquet.Preconditions;

/**
 * Utilities for SnappyCompressor and SnappyDecompressor.
 */
public class SnappyUtil {
  public static void validateBuffer(byte[] buffer, int off, int len) {
    Preconditions.checkNotNull(buffer, "buffer");
    Preconditions.checkArgument(
        off >= 0 && len >= 0 && off <= buffer.length - len,
        "Invalid buffer offset or length: buffer.length=%s off=%s len=%s",
        buffer.length,
        off,
        len);
  }
}