001/**
002 * www.jcoverage.com
003 * Copyright (C)2003 jcoverage ltd.
004 *
005 * This file is part of jcoverage.
006 *
007 * jcoverage is free software; you can redistribute it and/or modify
008 * it under the terms of the GNU General Public License as published
009 * by the Free Software Foundation; either version 2 of the License,
010 * or (at your option) any later version.
011 *
012 * jcoverage is distributed in the hope that it will be useful, but
013 * WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU General Public License
018 * along with jcoverage; if not, write to the Free Software
019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
020 * USA
021 *
022 */
023package com.jcoverage.reporting.html;
024
025import java.io.*;
026import java.util.*;
027
028import org.apache.log4j.Logger;
029
030/**
031 *
032 */
033public abstract class HtmlBlockElement extends HtmlElement {
034  
035  static Logger logger=Logger.getLogger(HtmlBlockElement.class);
036  
037  List writables;
038
039  protected HtmlBlockElement(String tag) {
040    super(tag);
041  }
042
043  public void add(Writable writable) {
044    if (writables==null) {
045      writables=new ArrayList();
046    }
047    writables.add(writable);
048  }
049  
050  protected List getWritables() {
051    return writables;
052  }
053
054  protected void openBlock(PrintWriter writer) {
055    openElement(writer);
056    writer.println();
057  }
058
059  protected void closeBlock(PrintWriter writer) {
060    writer.println();
061    closeElement(writer);
062    writer.println();
063  }
064
065  public void writeTo(PrintWriter writer) {
066    openBlock(writer);
067    writeWritables(writer);
068    closeBlock(writer);
069  }
070
071  protected void writeWritables(PrintWriter writer) {
072    for(Iterator it=getWritables().iterator();it.hasNext();) {
073      ((Writable)it.next()).writeTo(writer);
074    }
075  }
076
077}