MyBufferedInputStream.java
/*
* Copyright (c) 2020, 2022 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
/*
* $Id$
*/
package ee.jakarta.tck.jsonp.common;
import java.io.*;
import java.util.logging.Logger;
// A wrapper class to BufferedInputStream class used to inject IOException errors
// when the throwIOException instance variable is set. All methods delegate
// to the parent super class and check whether or not to throw an IOException
// before delegation.
public class MyBufferedInputStream extends BufferedInputStream {
private static final Logger LOGGER = Logger.getLogger(MyBufferedInputStream.class.getName());
private boolean throwIOException = false;
public MyBufferedInputStream(InputStream in) {
super(in);
}
public MyBufferedInputStream(InputStream in, int sz) {
super(in, sz);
}
public MyBufferedInputStream(InputStream in, boolean throwIOException) {
super(in);
this.throwIOException = throwIOException;
}
private void checkToTripIOException() throws IOException {
if (throwIOException) {
LOGGER.info(
"MyBufferedInputStream->checkToTripIOException: *** tripping an IOException ***");
throw new IOException("tripping an IOException");
}
}
public void setThrowIOException(boolean throwIOException) {
this.throwIOException = throwIOException;
}
public int read() throws IOException {
checkToTripIOException();
int c = super.read();
return c;
}
public int read(byte[] b, int off, int len) throws IOException {
checkToTripIOException();
int c = super.read(b, off, len);
return c;
}
public void close() throws IOException {
checkToTripIOException();
super.close();
}
}