org.glassfish.common.util.io.EmptyInputStream Maven / Gradle / Ivy
/*
* Copyright (c) 2022 Eclipse Foundation 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
*/
package org.glassfish.common.util.io;
import java.io.IOException;
import java.io.InputStream;
/**
* Input stream which doesn't contain anything.
*
* @author David Matejcek
*/
public class EmptyInputStream extends InputStream {
@Override
public int read() throws IOException {
return -1;
}
@Override
public int available() throws IOException {
return 0;
}
@Override
public int read(final byte[] b) throws IOException {
return -1;
}
@Override
public int read(final byte[] b, final int off, final int len) throws IOException {
return -1;
}
}