| /****************************************************************************** |
| * 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.wst.common.project.facet.core.internal; |
| |
| import java.util.HashMap; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdapterManager; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.wst.common.project.facet.core.IActionConfig; |
| import org.eclipse.wst.common.project.facet.core.IActionConfigFactory; |
| import org.eclipse.wst.common.project.facet.core.IConstraint; |
| import org.eclipse.wst.common.project.facet.core.IDelegate; |
| import org.eclipse.wst.common.project.facet.core.IProjectFacet; |
| import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion; |
| import org.eclipse.wst.common.project.facet.core.IFacetedProject.Action; |
| import org.eclipse.wst.common.project.facet.core.internal.ProjectFacet.ActionDefinition; |
| import org.osgi.framework.Bundle; |
| |
| /** |
| * The implementation of the <code>IProjectFacetVersion</code> interface. |
| * |
| * @author <a href="mailto:kosta@bea.com">Konstantin Komissarchik</a> |
| */ |
| |
| public final class ProjectFacetVersion |
| |
| implements IProjectFacetVersion, IVersion |
| |
| { |
| private ProjectFacet facet; |
| private String version; |
| private IConstraint constraint; |
| private String plugin; |
| private final HashMap delegates = new HashMap(); |
| |
| ProjectFacetVersion() {} |
| |
| public IProjectFacet getProjectFacet() |
| { |
| return this.facet; |
| } |
| |
| void setProjectFacet( final ProjectFacet facet ) |
| { |
| this.facet = facet; |
| } |
| |
| public String getVersionString() |
| { |
| return this.version; |
| } |
| |
| void setVersionString( final String version ) |
| { |
| this.version = version; |
| } |
| |
| public Versionable getVersionable() |
| { |
| return this.facet; |
| } |
| |
| public IConstraint getConstraint() |
| { |
| if( this.constraint == null ) |
| { |
| this.constraint = new Constraint( this, IConstraint.Type.AND, new Object[ 0 ] ); |
| } |
| |
| return this.constraint; |
| } |
| |
| void setConstraint( final IConstraint constraint ) |
| { |
| this.constraint = constraint; |
| } |
| |
| void setPlugin( final String plugin ) |
| { |
| this.plugin = plugin; |
| } |
| |
| public boolean supports( final Action.Type type ) |
| { |
| try |
| { |
| return this.facet.getActionDefinition( this, IDelegate.Type.get( type ) ) != null; |
| } |
| catch( CoreException e ) |
| { |
| FacetCorePlugin.log( e ); |
| return false; |
| } |
| } |
| |
| public Object createActionConfig( final Action.Type type, |
| final String pjname ) |
| |
| throws CoreException |
| |
| { |
| if( ! supports( type ) ) |
| { |
| final String msg |
| = NLS.bind( Resources.actionNotSupported, toString(), |
| type.toString() ); |
| |
| throw new CoreException( FacetCorePlugin.createErrorStatus( msg ) ); |
| } |
| |
| final ActionDefinition def |
| = this.facet.getActionDefinition( this, IDelegate.Type.get( type ) ); |
| |
| if( def == null || def.configFactoryClassName == null ) |
| { |
| return null; |
| } |
| else |
| { |
| final String clname = def.configFactoryClassName; |
| final Object temp = create( clname ); |
| |
| if( ! ( temp instanceof IActionConfigFactory ) ) |
| { |
| final String msg |
| = NLS.bind( Resources.notInstanceOf, clname, |
| IActionConfigFactory.class.getName() ); |
| |
| throw new CoreException( FacetCorePlugin.createErrorStatus( msg ) ); |
| } |
| |
| final Object config = ( (IActionConfigFactory) temp ).create(); |
| |
| IActionConfig cfg = null; |
| |
| if( config instanceof IActionConfig ) |
| { |
| cfg = (IActionConfig) config; |
| } |
| else |
| { |
| final IAdapterManager m = Platform.getAdapterManager(); |
| cfg = (IActionConfig) m.loadAdapter( config, IActionConfig.class.getName() ); |
| } |
| |
| if( cfg != null ) |
| { |
| cfg.setProjectName( pjname ); |
| cfg.setVersion( this ); |
| } |
| |
| return config; |
| } |
| } |
| |
| public boolean isSameActionConfig( final Action.Type type, |
| final IProjectFacetVersion fv ) |
| |
| throws CoreException |
| |
| { |
| final IDelegate.Type t = IDelegate.Type.get( type ); |
| |
| return this.facet.getActionDefinition( fv, t ) |
| == this.facet.getActionDefinition( this, t ); |
| } |
| |
| IDelegate getDelegate( final IDelegate.Type type ) |
| |
| throws CoreException |
| |
| { |
| Object delegate = this.delegates.get( type ); |
| |
| if( delegate == null ) |
| { |
| final ActionDefinition def |
| = this.facet.getActionDefinition( this, type ); |
| |
| if( def == null ) |
| { |
| return null; |
| } |
| |
| final String clname = def.delegateClassName; |
| delegate = create( clname ); |
| |
| if( ! ( delegate instanceof IDelegate ) ) |
| { |
| final String msg |
| = NLS.bind( Resources.notInstanceOf, clname, |
| IDelegate.class.getName() ); |
| |
| throw new CoreException( FacetCorePlugin.createErrorStatus( msg ) ); |
| } |
| |
| this.delegates.put( type, delegate ); |
| } |
| |
| return (IDelegate) delegate; |
| } |
| |
| private Object create( final String clname ) |
| |
| throws CoreException |
| |
| { |
| final Bundle bundle = Platform.getBundle( this.plugin ); |
| |
| try |
| { |
| final Class cl = bundle.loadClass( clname ); |
| return cl.newInstance(); |
| } |
| catch( Exception e ) |
| { |
| final String msg |
| = NLS.bind( Resources.failedToCreate, clname ); |
| |
| final IStatus st = FacetCorePlugin.createErrorStatus( msg, e ); |
| |
| throw new CoreException( st ); |
| } |
| } |
| |
| public String toString() |
| { |
| return this.facet.getLabel() + " " + this.version; |
| } |
| |
| private static final class Resources |
| |
| extends NLS |
| |
| { |
| public static String actionNotSupported; |
| public static String notInstanceOf; |
| public static String failedToCreate; |
| |
| static |
| { |
| initializeMessages( ProjectFacetVersion.class.getName(), |
| Resources.class ); |
| } |
| } |
| |
| } |