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package org.apache.maven.model.profile.activation;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import java.io.File;
import org.apache.maven.model.Activation;
import org.apache.maven.model.ActivationFile;
import org.apache.maven.model.Profile;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.building.ModelProblem.Severity;
import org.apache.maven.model.building.ModelProblem.Version;
import org.apache.maven.model.building.ModelProblemCollectorRequest;
import org.apache.maven.model.path.PathTranslator;
import org.apache.maven.model.profile.ProfileActivationContext;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.codehaus.plexus.interpolation.AbstractValueSource;
import org.codehaus.plexus.interpolation.MapBasedValueSource;
import org.codehaus.plexus.interpolation.RegexBasedInterpolator;
import org.codehaus.plexus.util.StringUtils;
/**
* Determines profile activation based on the existence/absence of some file.
* File name interpolation support is limited to <code>${basedir}</code> (since Maven 3,
* see <a href="http://jira.codehaus.org/browse/MNG-2363">MNG-2363</a>),
* System properties and request properties.
* <code>${project.basedir}</code> is intentionally not supported as this form would suggest that other
* <code>${project.*}</code> expressions can be used, which is however beyond the design.
*
* @author Benjamin Bentmann
* @see ActivationFile
* @see org.apache.maven.model.validation.DefaultModelValidator#validateRawModel
*/
@Component( role = ProfileActivator.class, hint = "file" )
public class FileProfileActivator
implements ProfileActivator
{
@Requirement
private PathTranslator pathTranslator;
public FileProfileActivator setPathTranslator( PathTranslator pathTranslator )
{
this.pathTranslator = pathTranslator;
return this;
}
@Override
public boolean isActive( Profile profile, ProfileActivationContext context, ModelProblemCollector problems )
{
Activation activation = profile.getActivation();
if ( activation == null )
{
return false;
}
ActivationFile file = activation.getFile();
if ( file == null )
{
return false;
}
String path;
boolean missing;
if ( StringUtils.isNotEmpty( file.getExists() ) )
{
path = file.getExists();
missing = false;
}
else if ( StringUtils.isNotEmpty( file.getMissing() ) )
{
path = file.getMissing();
missing = true;
}
else
{
return false;
}
RegexBasedInterpolator interpolator = new RegexBasedInterpolator();
final File basedir = context.getProjectDirectory();
if ( basedir != null )
{
interpolator.addValueSource( new AbstractValueSource( false )
{
@Override
public Object getValue( String expression )
{
/*
* NOTE: We intentionally only support ${basedir} and not ${project.basedir} as the latter form
* would suggest that other project.* expressions can be used which is however beyond the design.
*/
if ( "basedir".equals( expression ) )
{
return basedir.getAbsolutePath();
}
return null;
}
} );
}
else if ( path.contains( "${basedir}" ) )
{
return false;
}
interpolator.addValueSource( new MapBasedValueSource( context.getProjectProperties() ) );
interpolator.addValueSource( new MapBasedValueSource( context.getUserProperties() ) );
interpolator.addValueSource( new MapBasedValueSource( context.getSystemProperties() ) );
try
{
path = interpolator.interpolate( path, "" );
}
catch ( Exception e )
{
problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE )
.setMessage( "Failed to interpolate file location " + path + " for profile " + profile.getId()
+ ": " + e.getMessage() )
.setLocation( file.getLocation( missing ? "missing" : "exists" ) )
.setException( e ) );
return false;
}
path = pathTranslator.alignToBaseDirectory( path, basedir );
// replace activation value with interpolated value
if ( missing )
{
file.setMissing( path );
}
else
{
file.setExists( path );
}
File f = new File( path );
if ( !f.isAbsolute() )
{
return false;
}
boolean fileExists = f.exists();
return missing ? !fileExists : fileExists;
}
@Override
public boolean presentInConfig( Profile profile, ProfileActivationContext context, ModelProblemCollector problems )
{
Activation activation = profile.getActivation();
if ( activation == null )
{
return false;
}
ActivationFile file = activation.getFile();
if ( file == null )
{
return false;
}
return true;
}
}
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