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Diffstat (limited to 'sca-java-2.x/contrib/tutorials/travelsample/contributions/blog-feed/src/main/java/com/tuscanyscatours/blog/feed/impl/GenericBlogFeedImpl.java')
-rw-r--r-- | sca-java-2.x/contrib/tutorials/travelsample/contributions/blog-feed/src/main/java/com/tuscanyscatours/blog/feed/impl/GenericBlogFeedImpl.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/sca-java-2.x/contrib/tutorials/travelsample/contributions/blog-feed/src/main/java/com/tuscanyscatours/blog/feed/impl/GenericBlogFeedImpl.java b/sca-java-2.x/contrib/tutorials/travelsample/contributions/blog-feed/src/main/java/com/tuscanyscatours/blog/feed/impl/GenericBlogFeedImpl.java new file mode 100644 index 0000000000..c427b658a4 --- /dev/null +++ b/sca-java-2.x/contrib/tutorials/travelsample/contributions/blog-feed/src/main/java/com/tuscanyscatours/blog/feed/impl/GenericBlogFeedImpl.java @@ -0,0 +1,70 @@ +/* + * 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 com.tuscanyscatours.blog.feed.impl; + +import java.util.List; + +import org.apache.tuscany.sca.data.collection.Entry; +import org.apache.tuscany.sca.data.collection.Item; + +import com.tuscanyscatours.blog.BlogPost; + +/** + * Implementation of the blog feed that uses the Tuscany Data API so + * that it is independent of any Feed APIs such as Atom and RSS. + */ +public class GenericBlogFeedImpl extends BaseBlogFeedImpl { + + /** + * Implementation of the getAll() method from the Tuscany API + * that will return all of the blog posts as generic Tuscany + * feed items. + * + * @return All blog entries + */ + public Entry<Object, Object>[] getAll() { + final List<BlogPost> posts = getAllBlogPosts(); + + final Entry<Object, Object>[] entries = new Entry[posts.size()]; + int i = 0; + for (BlogPost post : posts) { + entries[i++] = convertBlogPostToFeedItem(post); + } + + return entries; + } + + /** + * Converts a blog post to a Tuscany API feed item. + * + * @param post The blog post to convert + * @return The blog post as a Tuscany API feed item + */ + private Entry<Object, Object> convertBlogPostToFeedItem(BlogPost post) { + // Convert Blog entry into an Item + final Item item = + new Item(post.getTitle(), post.getContent(), post.getLink(), post.getRelated(), post.getUpdated()); + + // Add item to entry + final Entry<Object, Object> entry = new Entry<Object, Object>(nextBlogID(), item); + + return entry; + } +} |