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/*
* ====================================================================
* Project: openCRX/Core, http://www.opencrx.org/
* Description: QuotaByteArrayOutputStream
* Owner: the original authors.
* ====================================================================
*
* This software is published under the BSD license
* as listed below.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the openCRX team nor the names of the contributors
* to openCRX may be used to endorse or promote products derived
* from this software without specific prior written permission
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ------------------
*
* This product includes software developed by the Apache Software
* Foundation (http://www.apache.org/).
*
* This product includes software developed by contributors to
* openMDX (http://www.openmdx.org/)
*/
package org.opencrx.kernel.utils;
import java.io.ByteArrayInputStream;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Level;
import org.openmdx.kernel.log.SysLog;
/**
* QuotaByteArrayOutputStream
*
*/
public class QuotaByteArrayOutputStream extends java.io.ByteArrayOutputStream {
private static class Counter {
public Counter(
) {
}
public int count = 0;
}
public QuotaByteArrayOutputStream(
String id
) {
super();
this.id = id;
Counter counter = counters.get(id);
if(counter == null) {
counters.put(
id,
counter = new Counter()
);
}
counter.count++;
if(counter.count % 100 == 0) {
SysLog.log(Level.INFO, "{0} has created {1} byte array output streams", id, Integer.valueOf(counter.count));
}
}
public ByteArrayInputStream toInputStream(
) {
return new ByteArrayInputStream(
this.buf,
0,
this.size()
);
}
public byte[] getBuffer(
) {
return this.buf;
}
@Override
public synchronized void write(
byte[] b,
int off,
int len
) {
super.write(b, off, len);
if(this.count >> this.div > 0) {
SysLog.log(Level.WARNING, "{0} has allocated a byte array output stream which is larger than {1} bytes ", this.id, Integer.valueOf(this.count));
this.div++;
}
}
@Override
public synchronized void write(
int b
) {
super.write(b);
if(this.count >> this.div > 0) {
SysLog.log(Level.WARNING, "{0} has allocated a byte array output stream which is larger than {1} bytes ", this.id, Integer.valueOf(this.count));
this.div++;
}
}
private int div = 12;
private final String id;
private static final Map counters = new ConcurrentHashMap();
}