/**

 oxdoc (c) Copyright 2005-2012 by Y. Zwols

 This library 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 library 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 library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 **/

package oxdoc.comments;

import oxdoc.OxProject;

import java.util.ArrayList;

import static oxdoc.util.Utils.checkNotNull;

public class BaseCommentBlock extends ArrayList<String> {
  private static final long serialVersionUID = 1L;

  protected final OxProject project;

  public BaseCommentBlock(OxProject project) {
    this.project = checkNotNull(project);
  }

  public String toString() {
    return project.getTextProcessor().process(renderHTML(), project);
  }

  protected String renderHTML() {
    return "";
  }
}

/**

 oxdoc (c) Copyright 2005-2012 by Y. Zwols

 This library 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 library 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 library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 **/

package oxdoc.comments;

import oxdoc.OxProject;

import java.util.ArrayList;

import static oxdoc.util.Utils.checkNotNull;

// TODO(yori): Don't inherit from ArrayList
public class BaseCommentBlock extends ArrayList<String> {
  private static final long serialVersionUID = 1L;

  protected final OxProject project;

  public BaseCommentBlock(OxProject project) {
    this.project = checkNotNull(project);
  }

  public String toString() {
    return project.getTextProcessor().process(renderHTML(), project);
  }

  protected String renderHTML() {
    return "";
  }
}

Update BaseCommentBlock.java