com.edgenius.wiki.render.macro.HTMLMacro.java Source code

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Here is the source code for com.edgenius.wiki.render.macro.HTMLMacro.java

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/* 
 * =============================================================
 * Copyright (C) 2007-2011 Edgenius (http://www.edgenius.com)
 * =============================================================
 * License Information: http://www.edgenius.com/licensing/edgenius/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * as published by the Free Software Foundation.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 *  
 * ****************************************************************
 */
package com.edgenius.wiki.render.macro;

import java.util.ListIterator;

import org.apache.commons.lang.StringUtils;

import com.edgenius.wiki.gwt.client.html.HTMLNode;
import com.edgenius.wiki.gwt.client.html.HTMLUtil;
import com.edgenius.wiki.gwt.client.html.HtmlListener;
import com.edgenius.wiki.gwt.client.html.HtmlParser;
import com.edgenius.wiki.render.ImmutableContentMacro;
import com.edgenius.wiki.render.MacroParameter;
import com.edgenius.wiki.render.MalformedMacroException;
import com.edgenius.wiki.render.RenderContext;

/**
 * @author Dapeng.Ni
 */
public class HTMLMacro extends BaseMacro implements ImmutableContentMacro {

    public void execute(StringBuffer buffer, MacroParameter params) throws MalformedMacroException {
        String content = StringUtils.trimToEmpty(params.getContent());

        //skip these dangerous tag?
        HtmlParser parser = new HtmlParser();
        final StringBuilder buf = new StringBuilder();
        parser.scan(content, new HtmlListener() {
            public void content(String content) {
                buf.append(content);
            }

            public void endDocument() {
            }

            public void startDocument() {
            }

            public void tag(String tagStr) {
                String tagname = HTMLUtil.getTagName(tagStr);
                if ("script".equals(tagname)) {
                    return;
                }
                buf.append(tagStr);
            }

        });

        buffer.append(buf);

    }

    public boolean isPaired() {
        return true;
    }

    public boolean isProcessEmbedded() {
        return false;
    }

    public String[] getName() {
        return new String[] { "html", "htm" };
    }

    @Override
    protected void replaceHTML(HTMLNode node, ListIterator<HTMLNode> iter, RenderContext context) {
        // TODO Auto-generated method stub

    }

}