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Diffstat (limited to 'sandbox/travelsample/contributions/blog-feed-contribution/src/main/java/scatours/blog/feed/AtomBlogFeedImpl.java')
-rw-r--r-- | sandbox/travelsample/contributions/blog-feed-contribution/src/main/java/scatours/blog/feed/AtomBlogFeedImpl.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/sandbox/travelsample/contributions/blog-feed-contribution/src/main/java/scatours/blog/feed/AtomBlogFeedImpl.java b/sandbox/travelsample/contributions/blog-feed-contribution/src/main/java/scatours/blog/feed/AtomBlogFeedImpl.java new file mode 100644 index 0000000000..e98c4dd433 --- /dev/null +++ b/sandbox/travelsample/contributions/blog-feed-contribution/src/main/java/scatours/blog/feed/AtomBlogFeedImpl.java @@ -0,0 +1,123 @@ +/* + * 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 scatours.blog.feed; + +import java.util.List; + +import org.apache.abdera.Abdera; +import org.apache.abdera.factory.Factory; +import org.apache.abdera.model.Entry; +import org.apache.abdera.model.Feed; +import org.apache.tuscany.sca.binding.atom.collection.NotFoundException; + +import scatours.blog.BlogPost; + +/** + * An Atom feed that implements the org.apache.tuscany.sca.binding.atom.collection.Collection + * interface and uses the Atom APIs to construct the Atom feed. + */ +public class AtomBlogFeedImpl extends BaseBlogFeedImpl implements org.apache.tuscany.sca.binding.atom.collection.Collection { + + /** + * Gets an Atom feed containing all the blog posts. + * + * @return An Atom feed containing all the blog posts. + */ + public Feed getFeed() { + // Create SCA Tours blog Atom feed + final Factory factory = Abdera.getNewFactory(); + final Feed feed = factory.newFeed(); + feed.setTitle(FEED_TITLE); + feed.setSubtitle(FEED_DESCRIPTION); + feed.addAuthor(FEED_AUTHOR); + + // Get all blog posts and convert to Atom entries + final List<BlogPost> blogEntries = getAllBlogPosts(); + for (BlogPost blogEntry : blogEntries) { + final Entry entry = factory.newEntry(); + entry.setId(nextBlogID()); + entry.addAuthor(blogEntry.getAuthor()); + entry.setTitle(blogEntry.getTitle()); + entry.setContentAsHtml(blogEntry.getContent()); + entry.setUpdated(blogEntry.getUpdated()); + entry.addLink(blogEntry.getLink()); + feed.addEntry(entry); + } + + return feed; + } + + /** + * Query the feed. + * + * @param query The query + * @return Always returns null as method not implemented + */ + public Feed query(String query) { + // Not implemented + return null; + } + + /** + * Posts a new entry to the blog. + * + * @param entry The new entry + * @return Always returns null as method not implemented + */ + public Entry post(Entry entry) { + // Not implemented + return null; + } + + /** + * Gets the specified entry from the blog. + * + * @param id ID of the entry to get + * @return Not used + * @throws NotFoundException Always thrown as method not implemented + */ + public Entry get(String id) throws NotFoundException { + // Not implemented + throw new NotFoundException("You are not allowed to update entries"); + } + + /** + * Updates the specified entry on the blog. + * + * @param id ID of the entry to update + * @param entry The new entry + * @throws NotFoundException Always thrown as method not implemented + */ + public void put(String id, Entry entry) throws NotFoundException { + // Not implemented + throw new NotFoundException("You are not allowed to update entries"); + } + + /** + * Deletes the specified entry from the blog. + * + * @param id ID of the entry to delete + * @throws NotFoundException Always thrown as method not implemented + */ + public void delete(String id) throws NotFoundException { + // Not implemented + throw new NotFoundException("You are not allowed to delete entries"); + } +} |