001 /* 002 * Copyright (C) 2010 eXo Platform SAS. 003 * 004 * This is free software; you can redistribute it and/or modify it 005 * under the terms of the GNU Lesser General Public License as 006 * published by the Free Software Foundation; either version 2.1 of 007 * the License, or (at your option) any later version. 008 * 009 * This software is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * You should have received a copy of the GNU Lesser General Public 015 * License along with this software; if not, write to the Free 016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 018 */ 019 020 package org.crsh.groovy; 021 022 import org.codehaus.groovy.ast.ASTNode; 023 import org.codehaus.groovy.ast.ClassHelper; 024 import org.codehaus.groovy.control.CompilePhase; 025 import org.codehaus.groovy.control.SourceUnit; 026 import org.codehaus.groovy.transform.ASTTransformation; 027 import org.codehaus.groovy.transform.GroovyASTTransformation; 028 import org.crsh.cmdline.annotations.Argument; 029 import org.crsh.cmdline.annotations.Command; 030 import org.crsh.cmdline.annotations.Required; 031 import org.crsh.cmdline.annotations.Usage; 032 import org.crsh.cmdline.annotations.Man; 033 import org.crsh.cmdline.annotations.Option; 034 import org.crsh.command.CRaSHCommand; 035 import org.crsh.command.InvocationContext; 036 import org.crsh.command.ScriptException; 037 import org.slf4j.Logger; 038 import org.slf4j.LoggerFactory; 039 040 /** 041 * This class is a Groovy transformation that adds default import to CRaSH commands. 042 * 043 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 044 * @version $Revision$ 045 */ 046 @GroovyASTTransformation(phase= CompilePhase.CONVERSION) 047 public class DefaultImportTransformer implements ASTTransformation { 048 049 /** . */ 050 private static final Logger log = LoggerFactory.getLogger(DefaultImportTransformer.class); 051 052 /** . */ 053 private static final Class<?>[] defaultImports = { 054 Required.class, 055 Man.class, 056 Usage.class, 057 Argument.class, 058 Option.class, 059 Command.class, 060 ScriptException.class, 061 InvocationContext.class, 062 CRaSHCommand.class, 063 }; 064 065 public void visit(ASTNode[] nodes, final SourceUnit source) { 066 log.debug("Transforming source to add default import package"); 067 for (Class<?> defaultImport : defaultImports) { 068 log.debug("Adding default import for class " + defaultImport.getName()); 069 if (source.getAST().getImport(defaultImport.getSimpleName()) == null) { 070 source.getAST().addImport(defaultImport.getSimpleName(), ClassHelper.make(defaultImport)); 071 } 072 } 073 } 074 }