/**
* Copyright (c) 2008-2011 Sonatype, Inc.
* All rights reserved. Includes the third-party code listed at http://www.sonatype.com/products/nexus/attributions.
*
* This program is free software: you can redistribute it and/or modify it only under the terms of the GNU Affero General
* Public License Version 3 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License Version 3
* for more details.
*
* You should have received a copy of the GNU Affero General Public License Version 3 along with this program. If not, see
* http://www.gnu.org/licenses.
*
* Sonatype Nexus (TM) Open Source Version is available from Sonatype, Inc. Sonatype and Sonatype Nexus are trademarks of
* Sonatype, Inc. Apache Maven is a trademark of the Apache Foundation. M2Eclipse is a trademark of the Eclipse Foundation.
* All other trademarks are the property of their respective owners.
*/
package org.sonatype.nexus.util;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.context.Context;
import org.codehaus.plexus.context.ContextException;
import org.codehaus.plexus.interpolation.Interpolator;
import org.codehaus.plexus.interpolation.MapBasedValueSource;
import org.codehaus.plexus.interpolation.RegexBasedInterpolator;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
/**
* A simple class that holds Regex interpolator and has reference to Plexus context too, to centralize Plexus coupling
* but make application Plexus interpolation capable too. This interpolator interpolates with Plexus Context,
* Environment variables and System Properties, in this order.
*
* @author cstamas
*/
@Component( role = ApplicationInterpolatorProvider.class )
public class DefaultApplicationInterpolatorProvider
implements ApplicationInterpolatorProvider, Contextualizable
{
private RegexBasedInterpolator regexBasedInterpolator;
public DefaultApplicationInterpolatorProvider()
{
super();
regexBasedInterpolator = new RegexBasedInterpolator();
}
public Interpolator getInterpolator()
{
return regexBasedInterpolator;
}
public void contextualize( Context context )
throws ContextException
{
regexBasedInterpolator.addValueSource( new MapBasedValueSource( context.getContextData() ) );
// FIXME: bad, everything should come from Plexus context
regexBasedInterpolator.addValueSource( new MapBasedValueSource( System.getenv() ) );
// FIXME: bad, everything should come from Plexus context
regexBasedInterpolator.addValueSource( new MapBasedValueSource( System.getProperties() ) );
}
}