org.crsh.lang.impl.groovy.GroovyRepl Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of crash.shell Show documentation
The Shell module
The newest version!
/*
 * Copyright (C) 2012 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.crsh.lang.impl.groovy;

import groovy.lang.GroovyShell;
import org.crsh.cli.impl.Delimiter;
import org.crsh.cli.impl.completion.CompletionMatch;
import org.crsh.cli.spi.Completion;
import org.crsh.command.CommandContext;
import org.crsh.lang.spi.Language;
import org.crsh.lang.spi.ReplResponse;
import org.crsh.shell.ErrorKind;
import org.crsh.shell.impl.command.InvocationContextImpl;
import org.crsh.shell.impl.command.ShellSession;
import org.crsh.shell.impl.command.spi.CommandException;
import org.crsh.shell.impl.command.spi.CommandInvoker;
import org.crsh.lang.spi.Repl;
import org.crsh.cli.impl.line.LineParser;

import java.io.IOException;

/**
 * Groovy REPL implementation.
 *
 * @author Julien Viet
 */
public class GroovyRepl implements Repl {

  /** . */
  final GroovyLanguage lang;

  public GroovyRepl(GroovyLanguage lang) {
    // Force to load Groovy here or fail
    Object o = GroovyShell.class;
    this.lang = lang;
  }

  @Override
  public Language getLanguage() {
    return lang;
  }

  @Override
  public String getDescription() {
    return "The Groovy repl provides a Groovy interpreter able to interact with shell commands";
  }

  public ReplResponse eval(final ShellSession session, final String r2) {


    GroovyLineEscaper foo = new GroovyLineEscaper();
    LineParser parser = new LineParser(foo);
    parser.append(r2);
    final String request = foo.buffer.toString();


    //
    CommandInvoker invoker = new CommandInvoker() {
      public void provide(Void element) throws IOException {
        throw new UnsupportedOperationException("Should not be invoked");
      }
      public Class getConsumedType() {
        return Void.class;
      }
      public void flush() throws IOException {
      }
      public Class