package org.codehaus.plexus.util.cli;

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 * Copyright The Codehaus Foundation.
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 *
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 * CruiseControl, a Continuous Integration Toolkit
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import java.io.IOException;

/**
 * Works in concert with the StreamPumper class to allow implementations to gain access to the lines being "Pumped".
 * Please note that implementations of this interface can be expected to be called from arbitrary threads and must
 * therefore be threadsafe.
 *
 * @author <a href="mailto:fvancea@maxiq.com">Florin Vancea</a>
 * @author <a href="mailto:pj@thoughtworks.com">Paul Julius</a>
 *
 */
public interface StreamConsumer
{
    /**
     * Called when the StreamPumper pumps a line from the Stream.
     * 
     * @param line The line to be consumed.
     * @throws IOException if consuming {@code line} fails.
     */
    public void consumeLine( String line )
        throws IOException;
}
