| /****************************************************************************** |
| * Copyright (c) 2010, 2017 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 |
| * Carl Anderson - Java 9 support |
| ******************************************************************************/ |
| |
| package org.eclipse.jst.common.project.facet.core.internal; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Hashtable; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.IncrementalProjectBuilder; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.launching.IVMInstall; |
| import org.eclipse.jdt.launching.JavaRuntime; |
| import org.eclipse.jst.common.project.facet.core.ClasspathHelper; |
| import org.eclipse.jst.common.project.facet.core.JavaFacet; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion; |
| |
| /** |
| * @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a> |
| */ |
| |
| public final class JavaFacetUtil |
| { |
| public static final String FILE_CLASSPATH = ".classpath"; //$NON-NLS-1$ |
| public static final String FILE_JDT_CORE_PREFS = ".settings/org.eclipse.jdt.core.prefs"; //$NON-NLS-1$ |
| |
| private static final IPath CPE_PREFIX_FOR_EXEC_ENV |
| = new Path( "org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType" ); //$NON-NLS-1$ |
| |
| private static final Map<IProjectFacetVersion,String> FACET_VER_TO_EXEC_ENV = new HashMap<IProjectFacetVersion,String>(); |
| |
| static |
| { |
| FACET_VER_TO_EXEC_ENV.put( JavaFacet.VERSION_1_3, "J2SE-1.3" ); //$NON-NLS-1$ |
| FACET_VER_TO_EXEC_ENV.put( JavaFacet.VERSION_1_4, "J2SE-1.4" ); //$NON-NLS-1$ |
| FACET_VER_TO_EXEC_ENV.put( JavaFacet.VERSION_1_5, "J2SE-1.5" ); //$NON-NLS-1$ |
| FACET_VER_TO_EXEC_ENV.put( JavaFacet.VERSION_1_6, "JavaSE-1.6" ); //$NON-NLS-1$ |
| FACET_VER_TO_EXEC_ENV.put( JavaFacet.VERSION_1_7, "JavaSE-1.7" ); //$NON-NLS-1$ |
| FACET_VER_TO_EXEC_ENV.put( JavaFacet.VERSION_1_8, "JavaSE-1.8" ); //$NON-NLS-1$ |
| FACET_VER_TO_EXEC_ENV.put( JavaFacet.VERSION_9, "JavaSE-9" ); //$NON-NLS-1$ |
| } |
| |
| public static String getCompilerLevel() |
| { |
| String level = JavaCore.getOption( JavaCore.COMPILER_COMPLIANCE ); |
| |
| if( level == null ) |
| { |
| final Hashtable<?,?> defaults = JavaCore.getDefaultOptions(); |
| level = (String) defaults.get( JavaCore.COMPILER_COMPLIANCE ); |
| } |
| |
| return level; |
| } |
| |
| public static String getCompilerLevel( final IProject project ) |
| { |
| final IJavaProject jproj = JavaCore.create( project ); |
| String level = jproj.getOption( JavaCore.COMPILER_COMPLIANCE, false ); |
| |
| if( level == null ) |
| { |
| level = getCompilerLevel(); |
| } |
| |
| return level; |
| } |
| |
| public static void setCompilerLevel( final IProject project, |
| final IProjectFacetVersion fv ) |
| |
| throws CoreException |
| |
| { |
| setCompilerLevel( project, fv.getVersionString() ); |
| } |
| |
| public static void setCompilerLevel( final IProject project, |
| final String level ) |
| |
| throws CoreException |
| |
| { |
| final IJavaProject jproj = JavaCore.create( project ); |
| final Map<String, String> options = jproj.getOptions( false ); |
| JavaCore.setComplianceOptions( level, options ); |
| jproj.setOptions( options ); |
| } |
| |
| public static void scheduleFullBuild( final IProject project ) |
| { |
| // This code is modeled after the code in |
| // org.eclipse.jdt.internal.ui.util.CoreUtility.getBuildJob() method. |
| |
| final IWorkspace ws = ResourcesPlugin.getWorkspace(); |
| |
| final String msg |
| = NLS.bind( Resources.buildingMsg, project.getName() ); |
| |
| final Job buildJob = new Job( msg ) |
| { |
| public IStatus run( final IProgressMonitor monitor ) |
| { |
| monitor.beginTask( msg, 2 ); |
| |
| try |
| { |
| project.build( IncrementalProjectBuilder.FULL_BUILD, |
| new SubProgressMonitor( monitor, 1 ) ); |
| |
| ws.build( IncrementalProjectBuilder.INCREMENTAL_BUILD, |
| new SubProgressMonitor( monitor, 1 ) ); |
| |
| } |
| catch( CoreException e ) |
| { |
| return e.getStatus(); |
| } |
| finally |
| { |
| monitor.done(); |
| } |
| |
| return Status.OK_STATUS; |
| } |
| |
| public boolean belongsTo( final Object family ) |
| { |
| return family == ResourcesPlugin.FAMILY_MANUAL_BUILD; |
| } |
| }; |
| |
| buildJob.setRule( ws.getRuleFactory().buildRule() ); |
| buildJob.schedule(); |
| } |
| |
| public static void resetClasspath( final IProject project, |
| final IProjectFacetVersion oldver, |
| final IProjectFacetVersion newver ) |
| |
| throws CoreException |
| |
| { |
| if( oldver != null ) |
| { |
| ClasspathHelper.removeClasspathEntries( project, oldver ); |
| } |
| |
| // If this was a java project before it became a faceted project or |
| // the JRE container has been added manually, the above method will not |
| // delete the old JRE container. Do it manually. |
| |
| removeJreContainer( project ); |
| |
| if( ! ClasspathHelper.addClasspathEntries( project, newver ) ) |
| { |
| final IVMInstall vm = JavaRuntime.getDefaultVMInstall(); |
| |
| if( vm != null ) |
| { |
| final IPath path = CPE_PREFIX_FOR_EXEC_ENV.append( getCorrespondingExecutionEnvironment( newver ) ); |
| final IClasspathEntry cpe = JavaCore.newContainerEntry( path ); |
| final List<IClasspathEntry> entries = Collections.singletonList( cpe ); |
| |
| ClasspathHelper.addClasspathEntries( project, newver, entries ); |
| } |
| } |
| } |
| |
| private static void removeJreContainer( final IProject proj ) |
| |
| throws CoreException |
| |
| { |
| final IJavaProject jproj = JavaCore.create( proj ); |
| final IClasspathEntry[] cp = jproj.getRawClasspath(); |
| |
| int pos = -1; |
| |
| for( int i = 0; i < cp.length; i++ ) |
| { |
| final IClasspathEntry cpe = cp[ i ]; |
| |
| if( cpe.getEntryKind() == IClasspathEntry.CPE_CONTAINER && |
| cpe.getPath().segment( 0 ).equals( JavaRuntime.JRE_CONTAINER ) ) |
| { |
| pos = i; |
| break; |
| } |
| } |
| |
| if( pos == -1 ) |
| { |
| return; |
| } |
| |
| final IClasspathEntry[] newcp |
| = new IClasspathEntry[ cp.length - 1 ]; |
| |
| System.arraycopy( cp, 0, newcp, 0, pos ); |
| System.arraycopy( cp, pos + 1, newcp, pos, newcp.length - pos ); |
| |
| jproj.setRawClasspath( newcp, null ); |
| } |
| |
| public static String getCorrespondingExecutionEnvironment( final IProjectFacetVersion fv ) |
| { |
| final String res = FACET_VER_TO_EXEC_ENV.get( fv ); |
| |
| if( res == null ) |
| { |
| throw new IllegalArgumentException( fv.toString() ); |
| } |
| |
| return res; |
| } |
| |
| private static final class Resources |
| |
| extends NLS |
| |
| { |
| public static String buildingMsg; |
| |
| static |
| { |
| initializeMessages( JavaFacetUtil.class.getName(), |
| Resources.class ); |
| } |
| } |
| |
| } |
