/**
* Copyright (C) 2011 JTalks.org Team
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jtalks.jcommune.web.tags;
import org.jtalks.jcommune.service.bb2htmlprocessors.BBForeignLinksPostprocessor;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.TagSupport;
import java.io.IOException;
/**
* Adds attribute rel="nofollow" to foreign links.
*
* @author Andrey Pogorelov
* @see BBForeignLinksPostprocessor
*/
public class LinksPreparer extends TagSupport {
private String incomingLink;
private BBForeignLinksPostprocessor bbForeignLinksPostprocessor;
/** {@inheritDoc} */
@Override
public int doStartTag() throws JspException {
try {
String html = bbForeignLinksPostprocessor.postProcess(incomingLink);
pageContext.getOut().print(html);
return SKIP_BODY;
} catch (IOException e) {
throw new JspException(e);
}
}
/**
* @param incomingLink source link
*/
public void setIncomingLink(String incomingLink) {
this.incomingLink = incomingLink;
}
/** {@inheritDoc} */
@Override
public void setPageContext(PageContext pageContext) {
super.setPageContext(pageContext);
ApplicationContext ac = WebApplicationContextUtils.getWebApplicationContext(pageContext.getServletContext());
bbForeignLinksPostprocessor = ac.getBean(BBForeignLinksPostprocessor.class);
}
}