juneau-core/juneau-core-utest/src/test/java/org/apache/juneau/CloseableByteArrayInputStream.java

// ***************************************************************************************************************************
// * 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.juneau;

import java.io.*;

/**
 * A ByteArrayInputStream with a usable close() method.
 */
public class CloseableByteArrayInputStream extends ByteArrayInputStream {
	boolean isClosed;

	public CloseableByteArrayInputStream(byte[] buf) {
		super(buf);
	}

	@Override
	public int read() {
		if (isClosed)
			throw new RuntimeException("Stream is closed");
		return super.read();
	}

	@Override
	public void close() {
		isClosed = true;
	}
}