/*
* 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.hadoop.fs.swift.snative;
import org.apache.hadoop.fs.BufferedFSInputStream;
import org.apache.hadoop.fs.FSInputStream;
import org.apache.hadoop.fs.swift.exceptions.SwiftConnectionClosedException;
import java.io.IOException;
/**
* Add stricter compliance with the evolving FS specifications
*/
public class StrictBufferedFSInputStream extends BufferedFSInputStream {
public StrictBufferedFSInputStream(FSInputStream in,
int size) {
super(in, size);
}
@Override
public void seek(long pos) throws IOException {
if (pos < 0) {
throw new IOException("Negative position");
}
if (in == null) {
throw new SwiftConnectionClosedException("Stream closed");
}
super.seek(pos);
}
}