plugins/org.eclipse.jst.j2ee/earproject/org/eclipse/jst/j2ee/project/facet/UtilityFacetInstallDelegate.java

/******************************************************************************
 * Copyright (c) 2005 BEA Systems, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Konstantin Komissarchik - initial API and implementation
 ******************************************************************************/

package org.eclipse.jst.j2ee.project.facet;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jst.common.project.facet.WtpUtils;
import org.eclipse.wst.common.componentcore.ComponentCore;
import org.eclipse.wst.common.componentcore.internal.ComponentType;
import org.eclipse.wst.common.componentcore.internal.ComponentcoreFactory;
import org.eclipse.wst.common.componentcore.internal.StructureEdit;
import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
import org.eclipse.wst.common.componentcore.resources.IVirtualFolder;
import org.eclipse.wst.common.project.facet.core.IDelegate;
import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;

/**
 * @author <a href="mailto:kosta@bea.com">Konstantin Komissarchik</a>
 */

public final class UtilityFacetInstallDelegate 

    implements IDelegate
    
{
    public void execute( final IProject project, 
                         final IProjectFacetVersion fv,
                         final Object cfg,
                         final IProgressMonitor monitor )
    
        throws CoreException
        
    {
        if( monitor != null )
        {
            monitor.beginTask( "", 1 );
        }
        
        try
        {
            final UtilityFacetInstallConfig config;
            
            if( cfg != null )
            {
                config = (UtilityFacetInstallConfig) cfg;
            }
            else
            {
                config = new UtilityFacetInstallConfig();
                config.setEarProjectName( null );
            }

            // Add WTP natures.
            
            WtpUtils.addNatures( project );
            
            // Setup the flexible project structure. 
            
            final IVirtualComponent c
                = ComponentCore.createComponent( project, project.getName() );

            c.create( 0, null );

            final ComponentType ctype 
                = ComponentcoreFactory.eINSTANCE.createComponentType();
            
            ctype.setComponentTypeId( "jst.utility" );
            
            final StructureEdit edit 
                = StructureEdit.getStructureEditForWrite( project );
            
            try
            {
                StructureEdit.setComponentType( c, ctype );
                edit.saveIfNecessary( null );
            }
            finally
            {
                edit.dispose();
            }
            
            final IVirtualFolder jsrc = c.getRootFolder();
            final IJavaProject jproj = JavaCore.create( project );
            final IClasspathEntry[] cp = jproj.getRawClasspath();
            
            for( int i = 0; i < cp.length; i++ )
            {
                final IClasspathEntry cpe = cp[ i ];
                
                if( cpe.getEntryKind() == IClasspathEntry.CPE_SOURCE )
                {
                    jsrc.createLink( cpe.getPath().removeFirstSegments( 1 ),
                                     0, null );
                }
            }
            
            // Associate with an EAR, if necessary.
            
            final String earProjectName = config.getEarProjectName();
            
            if( earProjectName != null )
            {
                final IWorkspace ws = ResourcesPlugin.getWorkspace();
                
                final IProject earproj 
                    = ws.getRoot().getProject( earProjectName );

                EarUtil.addModuleReference( earproj, project, null );
            }
            
            if( monitor != null )
            {
                monitor.worked( 1 );
            }
        }
        finally
        {
            if( monitor != null )
            {
                monitor.done();
            }
        }
    }

}