| /****************************************************************************** |
| * Copyright (c) 2008 Oracle |
| * 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.jst.common.project.facet.core.internal; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IProjectDescription; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jst.common.project.facet.core.ClasspathHelper; |
| import org.eclipse.wst.common.project.facet.core.FacetedProjectFrameworkException; |
| import org.eclipse.wst.common.project.facet.core.IDelegate; |
| |
| /** |
| * @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a> |
| */ |
| |
| public abstract class JavaFacetDelegate |
| |
| implements IDelegate |
| |
| { |
| protected static final class RelevantFiles |
| { |
| public final IFile dotProjectFile; |
| public final IFile dotClasspathFile; |
| public final IFile jdtCorePrefsFile; |
| public final IFile jstFacetCorePrefsFile; |
| |
| public RelevantFiles( final IProject project ) |
| { |
| this.dotProjectFile = project.getFile( IProjectDescription.DESCRIPTION_FILE_NAME ); |
| this.dotClasspathFile = project.getFile( JavaFacetUtil.FILE_CLASSPATH ); |
| this.jdtCorePrefsFile = project.getFile( JavaFacetUtil.FILE_JDT_CORE_PREFS ); |
| this.jstFacetCorePrefsFile = project.getFile( ClasspathHelper.LEGACY_METADATA_FILE_NAME ); |
| } |
| } |
| |
| protected static void validateEdit( final IProject project ) |
| |
| throws CoreException |
| |
| { |
| validateEdit( new RelevantFiles( project ) ); |
| } |
| |
| protected static void validateEdit( final RelevantFiles files ) |
| |
| throws CoreException |
| |
| { |
| final List<IFile> list = new ArrayList<IFile>(); |
| |
| list.add( files.dotProjectFile ); |
| |
| if( files.dotClasspathFile.exists() ) |
| { |
| list.add( files.dotClasspathFile ); |
| } |
| |
| if( files.jdtCorePrefsFile.exists() ) |
| { |
| list.add( files.jdtCorePrefsFile ); |
| } |
| |
| if( files.jstFacetCorePrefsFile.exists() ) |
| { |
| list.add( files.jstFacetCorePrefsFile ); |
| } |
| |
| final IWorkspace ws = ResourcesPlugin.getWorkspace(); |
| |
| final IStatus validateEditStatus |
| = ws.validateEdit( list.toArray( new IFile[ list.size() ] ), IWorkspace.VALIDATE_PROMPT ); |
| |
| if( validateEditStatus.getSeverity() == IStatus.ERROR ) |
| { |
| final FacetedProjectFrameworkException e |
| = new FacetedProjectFrameworkException( validateEditStatus ); |
| |
| e.setExpected( true ); |
| |
| throw e; |
| } |
| } |
| |
| } |