/* This file is part of VoltDB.
* Copyright (C) 2008-2017 VoltDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with VoltDB. If not, see <http://www.gnu.org/licenses/>.
*/
package org.voltdb.utils;
import java.io.IOException;
import java.io.InputStream;
import org.voltdb.common.Constants;
/**
* Create an <code>InputStream</code> from a Java string so it can
* be used where <code>InputStream</code>s are needed, like in XML parsers.
*
*/
public class StringInputStream extends InputStream {
final byte[] m_strBytes;
int m_position = 0;
/**
* Create the stream from a string.
* @param value The string value to turn into an InputStream.
*/
public StringInputStream(String value) {
m_strBytes = value.getBytes(Constants.UTF8ENCODING);
}
/**
* Read a single byte from the stream (string).
*/
@Override
public int read() throws IOException {
if (m_position == m_strBytes.length)
return -1;
return m_strBytes[m_position++];
}
}