001/*
002 * Copyright (C) 2012 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/*
021 * Copyright (C) 2012 eXo Platform SAS.
022 *
023 * This is free software; you can redistribute it and/or modify it
024 * under the terms of the GNU Lesser General Public License as
025 * published by the Free Software Foundation; either version 2.1 of
026 * the License, or (at your option) any later version.
027 *
028 * This software is distributed in the hope that it will be useful,
029 * but WITHOUT ANY WARRANTY; without even the implied warranty of
030 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
031 * Lesser General Public License for more details.
032 *
033 * You should have received a copy of the GNU Lesser General Public
034 * License along with this software; if not, write to the Free
035 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
036 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
037 */
038
039package org.crsh.lang.impl.groovy.ast;
040
041import org.codehaus.groovy.ast.ASTNode;
042import org.codehaus.groovy.ast.AnnotationNode;
043import org.codehaus.groovy.ast.ClassHelper;
044import org.codehaus.groovy.ast.ClassNode;
045import org.codehaus.groovy.ast.MethodNode;
046import org.codehaus.groovy.control.CompilePhase;
047import org.codehaus.groovy.control.SourceUnit;
048import org.codehaus.groovy.transform.ASTTransformation;
049import org.codehaus.groovy.transform.GroovyASTTransformation;
050import org.crsh.cli.Command;
051import org.crsh.groovy.GroovyCommand;
052
053import java.util.logging.Logger;
054
055@GroovyASTTransformation(phase= CompilePhase.SEMANTIC_ANALYSIS)
056public class CommandTransformer implements ASTTransformation {
057
058  /** . */
059  private static final ClassNode CRASH_COMMAND = ClassHelper.make(GroovyCommand.class);
060
061  /** . */
062  private static final Logger log = Logger.getLogger(CommandTransformer.class.getName());
063
064  public void visit(ASTNode[] nodes, final SourceUnit source) {
065
066    for (ClassNode classNode : source.getAST().getClasses()) {
067      out:
068      for (MethodNode method : classNode.getMethods()) {
069        for (AnnotationNode ann : method.getAnnotations()) {
070          if (ann.getClassNode().getName().equals(Command.class.getName())) {
071            ClassNode superClass = classNode.getSuperClass();
072            if (superClass == null || superClass.getName().equals("java.lang.Object")) {
073              classNode.setSuperClass(CRASH_COMMAND);
074            }
075            break out;
076          }
077        }
078      }
079    }
080  }
081}