org.codehaus.plexus.configuration.processor.AbstractConfigurationResourceHandler Maven / Gradle / Ivy

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Statistical sampling library for use in virtdata libraries, based on apache commons math 4

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package org.codehaus.plexus.configuration.processor;

import java.util.Map;

/*
 * The MIT License
 *
 * Copyright (c) 2004, The Codehaus
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/**
 * @author Jason van Zyl
 * @version $Id: AbstractConfigurationResourceHandler.java 1323 2004-12-20 23:00:59Z jvanzyl $
 */
public abstract class AbstractConfigurationResourceHandler
    implements ConfigurationResourceHandler
{
    protected String getSource( Map parameters )
        throws ConfigurationProcessingException
    {
        String source = (String) parameters.get( ConfigurationResourceHandler.SOURCE );

        if ( source == null )
        {
            throw new ConfigurationProcessingException(
                "The 'source' attribute for a configuration resource handler cannot be null." );
        }

        return source;
    }
}