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Central module for Tapestry, containing interfaces to the Java
Servlet API and all core services and components.
// Copyright 2010 The Apache Software Foundation
//
// Licensed 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.tapestry5.internal.services.assets;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* A wrapper around a byte-stream, represented internally as a byte array. Part of the fix
* to TAP5-1116, avoiding a live lock due to ByteArrayOutputStream.writeTo() being a synchronized
* method.
*
* @since 5.2.0
*/
public class BytestreamCache
{
private final byte[] streamData;
public BytestreamCache(byte[] streamData)
{
this.streamData = streamData;
}
public BytestreamCache(ByteArrayOutputStream os)
{
this(os.toByteArray());
}
public void writeTo(OutputStream os) throws IOException
{
os.write(streamData, 0, streamData.length);
}
public int size()
{
return streamData.length;
}
}