/*
* 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.derbyTesting.functionTests.util.streams;
import java.io.ByteArrayInputStream;
import java.io.IOException;
public class ReadOnceByteArrayInputStream extends ByteArrayInputStream {
private boolean isClosed;
public ReadOnceByteArrayInputStream(byte[] arg0) {
super(arg0);
}
public ReadOnceByteArrayInputStream(byte[] arg0, int arg1, int arg2) {
super(arg0, arg1, arg2);
}
public boolean markSupported()
{
return false;
}
public void close() throws IOException
{
isClosed = true;
super.close();
}
public int read(byte[] b,
int off,
int len)
{
if (isClosed)
return -1;
return super.read(b, off, len);
}
public int read()
{
if (isClosed)
return -1;
return super.read();
}
}
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