/*
* Copyright (c) 2003-2011, Simon Brown
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* - Neither the name of Pebble nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package net.sourceforge.pebble.web.tagext;
import net.sourceforge.pebble.aggregator.NewsFeed;
import net.sourceforge.pebble.aggregator.NewsFeedCache;
import net.sourceforge.pebble.domain.Blog;
import net.sourceforge.pebble.Constants;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspContext;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.SimpleTagSupport;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Gets entries for the specified news feed.
*
* @author Simon Brown
*/
public class NewsFeedReaderTag extends SimpleTagSupport {
private static final Log log = LogFactory.getLog(NewsFeedReaderTag.class);
private String url;
public void doTag() throws JspException, IOException {
NewsFeed feed = NewsFeedCache.getInstance().getFeed(url);
getJspContext().setAttribute("feedEntries", feed.getEntries());
}
public void setUrl(String url) {
this.url = url;
if (url != null) {
Blog blog = (Blog)getJspContext().getAttribute(Constants.BLOG_KEY, PageContext.REQUEST_SCOPE);
NewsFeedCache.getInstance().addSubscription(blog, url);
}
}
}