| /****************************************************************************** |
| * Copyright (c) 2008 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 implementation and ongoing maintenance |
| ******************************************************************************/ |
| |
| package org.eclipse.wst.common.project.facet.core.events.internal; |
| |
| import static org.eclipse.wst.common.project.facet.core.util.internal.PluginUtil.instantiate; |
| |
| import org.eclipse.wst.common.project.facet.core.IDelegate; |
| import org.eclipse.wst.common.project.facet.core.IFacetedProject; |
| 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.IRuntimeChangedEvent; |
| import org.eclipse.wst.common.project.facet.core.IVersionExpr; |
| import org.eclipse.wst.common.project.facet.core.events.IFacetedProjectEvent; |
| import org.eclipse.wst.common.project.facet.core.events.IFacetedProjectListener; |
| import org.eclipse.wst.common.project.facet.core.events.IPrimaryRuntimeChangedEvent; |
| import org.eclipse.wst.common.project.facet.core.events.IProjectFacetActionEvent; |
| import org.eclipse.wst.common.project.facet.core.internal.FacetCorePlugin; |
| import org.eclipse.wst.common.project.facet.core.runtime.IRuntime; |
| |
| /** |
| * @author <a href="mailto:kosta@bea.com">Konstantin Komissarchik</a> |
| */ |
| |
| public final class LegacyEventHandlerAdapter |
| |
| implements IFacetedProjectListener |
| |
| { |
| private final IProjectFacet facet; |
| private final IVersionExpr vexpr; |
| private final String pluginId; |
| private Object delegate; |
| |
| public LegacyEventHandlerAdapter( final IProjectFacet facet, |
| final IVersionExpr vexpr, |
| final String delegatePluginId, |
| final String delegateClassName ) |
| { |
| this.facet = facet; |
| this.vexpr = vexpr; |
| this.pluginId = delegatePluginId; |
| this.delegate = delegateClassName; |
| } |
| |
| public void handleEvent( final IFacetedProjectEvent event ) |
| { |
| if( event instanceof IProjectFacetActionEvent ) |
| { |
| final IProjectFacetActionEvent ev = (IProjectFacetActionEvent) event; |
| |
| if( this.facet == ev.getProjectFacet() && |
| this.vexpr.check( ev.getProjectFacetVersion() ) ) |
| { |
| final IDelegate delegate = getDelegate(); |
| |
| if( delegate != null ) |
| { |
| try |
| { |
| delegate.execute( ev.getProject().getProject(), ev.getProjectFacetVersion(), |
| ev.getActionConfig(), null ); |
| } |
| catch( Exception e ) |
| { |
| FacetCorePlugin.log( e ); |
| } |
| } |
| } |
| } |
| else if( event instanceof IPrimaryRuntimeChangedEvent ) |
| { |
| final IPrimaryRuntimeChangedEvent ev = (IPrimaryRuntimeChangedEvent) event; |
| final IFacetedProject project = ev.getProject(); |
| |
| if( project.hasProjectFacet( this.facet ) ) |
| { |
| final IProjectFacetVersion fv = project.getInstalledVersion( this.facet ); |
| |
| if( this.vexpr.check( fv ) ) |
| { |
| final RuntimeChangedEvent legacyEvent |
| = new RuntimeChangedEvent( ev.getOldPrimaryRuntime(), |
| ev.getNewPrimaryRuntime() ); |
| |
| final IDelegate delegate = getDelegate(); |
| |
| if( delegate != null ) |
| { |
| try |
| { |
| delegate.execute( ev.getProject().getProject(), fv, legacyEvent, null ); |
| } |
| catch( Exception e ) |
| { |
| FacetCorePlugin.log( e ); |
| } |
| } |
| } |
| } |
| } |
| else |
| { |
| throw new IllegalStateException(); |
| } |
| } |
| |
| private synchronized IDelegate getDelegate() |
| { |
| try |
| { |
| if( this.delegate instanceof String ) |
| { |
| this.delegate |
| = instantiate( this.pluginId, (String) this.delegate, IDelegate.class ); |
| } |
| |
| return (IDelegate) this.delegate; |
| } |
| catch( Exception e ) |
| { |
| FacetCorePlugin.log( e ); |
| } |
| |
| return null; |
| } |
| |
| private static final class RuntimeChangedEvent |
| |
| implements IRuntimeChangedEvent |
| |
| { |
| private final IRuntime oldRuntime; |
| private final IRuntime newRuntime; |
| |
| public RuntimeChangedEvent( final IRuntime oldRuntime, |
| final IRuntime newRuntime ) |
| { |
| this.oldRuntime = oldRuntime; |
| this.newRuntime = newRuntime; |
| } |
| |
| public IRuntime getOldRuntime() |
| { |
| return this.oldRuntime; |
| } |
| |
| public IRuntime getNewRuntime() |
| { |
| return this.newRuntime; |
| } |
| |
| } |
| |
| } |