/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sling.atom.taglib;
import javax.servlet.ServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.BodyTagSupport;
import org.apache.abdera.Abdera;
import org.apache.abdera.model.Entry;
import org.apache.abdera.model.Feed;
import org.apache.sling.atom.taglib.internal.AbderaActivator;
public class AbstractAbderaHandler extends BodyTagSupport {
private static final long serialVersionUID = 2L;
protected Abdera getAbdera() throws JspException {
return AbderaActivator.getAbdera();
}
protected Feed getFeed(ServletRequest request) throws JspException {
Feed feed;
if (request.getAttribute("feed") != null
&& (request.getAttribute("feed") instanceof Feed)) {
feed = (Feed) request.getAttribute("feed");
} else {
feed = getAbdera().newFeed();
request.setAttribute("feed", feed);
}
return feed;
}
protected Feed getFeed() throws JspException {
final ServletRequest request = pageContext.getRequest();
return getFeed(request);
}
protected Entry getEntry() {
final ServletRequest request = pageContext.getRequest();
if (request.getAttribute("entry") instanceof Entry) {
return (Entry) request.getAttribute("entry");
}
return null;
}
protected void setEntry(Entry entry) {
final ServletRequest request = pageContext.getRequest();
request.setAttribute("entry", entry);
}
protected void clearEntry() {
setEntry(null);
}
protected boolean hasEntry() {
return getEntry() != null;
}
}