/* Copyright (c) 2008 Google Inc.
*
* Licensed 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 com.google.gdata.data.extensions;
import com.google.gdata.data.BaseFeed;
import com.google.gdata.data.ExtensionProfile;
/**
* Customizes the base feed class to define a feed of events.
*
* @param <F> event feed class
* @param <E> event entry class
*/
public abstract class BaseEventFeed
<F extends BaseEventFeed<F, E>, E extends BaseEventEntry<E>>
extends BaseFeed<F, E> {
/**
* Constructs a new event feed instance that is parameterized to contain event
* entry instances.
*
* @param entryClass event entry class
*/
public BaseEventFeed(Class<E> entryClass) {
super(entryClass);
getCategories().add(EventEntry.EVENT_CATEGORY);
}
/**
* Constructs a new event feed instance that is initialized using data from
* another base feed instance.
*
* @param entryClass event entry class
* @param sourceFeed source feed
*/
public BaseEventFeed(Class<E> entryClass, BaseFeed<?, ?> sourceFeed) {
super(entryClass, sourceFeed);
getCategories().add(EventEntry.EVENT_CATEGORY);
}
@Override
public void declareExtensions(ExtensionProfile extProfile) {
// Feed level declarations
extProfile.declare(BaseEventFeed.class, Where.getDefaultDescription());
// Adds entry level declarations
super.declareExtensions(extProfile);
}
// Any feed-level extension accessor APIs would go here
}