plugins/groovy/src/org/jetbrains/plugins/groovy/actions/DumpGroovyStubsAction.java

/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jetbrains.plugins.groovy.actions;

import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.DumbAware;
import com.intellij.psi.PsiFile;
import org.jetbrains.plugins.groovy.editor.HandlerUtils;
import org.jetbrains.plugins.groovy.lang.psi.GroovyFile;
import org.jetbrains.plugins.groovy.refactoring.convertToJava.GroovyToJavaGenerator;

/**
 * @author Max Medvedev
 */
public class DumpGroovyStubsAction extends AnAction implements DumbAware {
  @Override
  public void update(AnActionEvent e) {
    Editor editor = CommonDataKeys.EDITOR.getData(e.getDataContext());
    if (editor != null) {
      PsiFile psiFile = HandlerUtils.getPsiFile(editor, e.getDataContext());
      if (psiFile instanceof GroovyFile) {
        e.getPresentation().setEnabled(true);
        return;
      }
    }
    e.getPresentation().setEnabled(false);
  }

  @Override
  public void actionPerformed(AnActionEvent e) {
    final Editor editor = CommonDataKeys.EDITOR.getData(e.getDataContext());
    if (editor == null) return;

    final PsiFile psiFile = HandlerUtils.getPsiFile(editor, e.getDataContext());
    if (!(psiFile instanceof GroovyFile)) return;

    final StringBuilder builder = GroovyToJavaGenerator.generateStubs(psiFile);
    System.out.println(builder.toString());
  }
}