InputStreamByteIterator.java
No OneTemporary
Actions

Subscribers

None

File Metadata

	/**
	* Copyright (c) 2010 Yahoo! Inc. 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. 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. See accompanying
	* LICENSE file.
	*/
	package com.yahoo.ycsb;

	import java.io.InputStream;

	public class InputStreamByteIterator extends ByteIterator {
	long len;
	InputStream ins;
	long off;

	public InputStreamByteIterator(InputStream ins, long len) {
	this.len = len;
	this.ins = ins;
	off = 0;
	}

	@Override
	public boolean hasNext() {
	return off < len;
	}

	@Override
	public byte nextByte() {
	int ret;
	try {
	ret = ins.read();
	} catch(Exception e) {
	throw new IllegalStateException(e);
	}
	if(ret == -1) { throw new IllegalStateException("Past EOF!"); }
	off++;
	return (byte)ret;
	}

	@Override
	public long bytesLeft() {
	return len - off;
	}

	}