001    /*
002     *   Copyright (C) Christian Schulte, 2005-206
003     *   All rights reserved.
004     *
005     *   Redistribution and use in source and binary forms, with or without
006     *   modification, are permitted provided that the following conditions
007     *   are met:
008     *
009     *     o Redistributions of source code must retain the above copyright
010     *       notice, this list of conditions and the following disclaimer.
011     *
012     *     o Redistributions in binary form must reproduce the above copyright
013     *       notice, this list of conditions and the following disclaimer in
014     *       the documentation and/or other materials provided with the
015     *       distribution.
016     *
017     *   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
018     *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
019     *   AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
020     *   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT,
021     *   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
022     *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
023     *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
024     *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
025     *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
026     *   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
027     *
028     *   $JOMC: ValidateModelTask.java 3838 2011-10-08 20:15:41Z schulte2005 $
029     *
030     */
031    package org.jomc.ant;
032    
033    import org.apache.tools.ant.BuildException;
034    import org.jomc.modlet.Model;
035    import org.jomc.modlet.ModelContext;
036    import org.jomc.modlet.ModelException;
037    import org.jomc.modlet.ModelValidationReport;
038    
039    /**
040     * Task for validating model objects.
041     *
042     * @author <a href="mailto:schulte2005@users.sourceforge.net">Christian Schulte</a>
043     * @version $JOMC: ValidateModelTask.java 3838 2011-10-08 20:15:41Z schulte2005 $
044     */
045    public final class ValidateModelTask extends JomcModelTask
046    {
047    
048        /** Creates a new {@code ValidateModelTask} instance. */
049        public ValidateModelTask()
050        {
051            super();
052        }
053    
054        /**
055         * Validates a model.
056         *
057         * @throws BuildException if validating a model fails.
058         */
059        @Override
060        public void executeTask() throws BuildException
061        {
062            try
063            {
064                this.log( Messages.getMessage( "validatingModel", this.getModel() ) );
065    
066                final ClassLoader classLoader = this.newProjectClassLoader();
067                final ModelContext context = this.newModelContext( classLoader );
068                final Model model = context.findModel( this.getModel() );
069                final ModelValidationReport report = context.validateModel( model );
070                this.logValidationReport( context, report );
071    
072                if ( !report.isModelValid() )
073                {
074                    throw new BuildException( Messages.getMessage( "modelValidationFailure" ), this.getLocation() );
075                }
076    
077                this.log( Messages.getMessage( "modelValidationSuccess" ) );
078            }
079            catch ( final ModelException e )
080            {
081                throw new BuildException( Messages.getMessage( e ), e, this.getLocation() );
082            }
083        }
084    
085        /** {@inheritDoc} */
086        @Override
087        public ValidateModelTask clone()
088        {
089            return (ValidateModelTask) super.clone();
090        }
091    
092    }