org.apache.mina.util.byteaccess.SimpleByteArrayFactory Maven / Gradle / Ivy

/**
 * Copyright 2007-2015, Kaazing Corporation. All rights reserved.
 *
 * 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.mina.util.byteaccess;


import org.apache.mina.core.buffer.IoBuffer;


/**
 * Creates ByteArray backed by a heap-allocated
 * IoBuffer. The free method on returned
 * ByteArrays is a nop.
 * 
 * @author Apache MINA Project
 */
public class SimpleByteArrayFactory implements ByteArrayFactory
{
    /**
     * 
     * Creates a new instance of SimpleByteArrayFactory.
     *
     */
    public SimpleByteArrayFactory()
    {
        super();
    }


    /**
     * @inheritDoc
     */
    public ByteArray create( int size )
    {
        if ( size < 0 )
        {
            throw new IllegalArgumentException( "Buffer size must not be negative:" + size );
        }
        IoBuffer bb = IoBuffer.allocate( size );
        ByteArray ba = new BufferByteArray( bb )
        {

            @Override
            public void free()
            {
                // Nothing to do.
            }

        };
        return ba;
    }

}