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Diffstat (limited to '')
-rw-r--r-- | sandbox/event/modules/binding-feed/src/main/java/org/apache/tuscany/sca/binding/feed/provider/RSSBindingInvoker.java | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/sandbox/event/modules/binding-feed/src/main/java/org/apache/tuscany/sca/binding/feed/provider/RSSBindingInvoker.java b/sandbox/event/modules/binding-feed/src/main/java/org/apache/tuscany/sca/binding/feed/provider/RSSBindingInvoker.java new file mode 100644 index 0000000000..c5bd3ec009 --- /dev/null +++ b/sandbox/event/modules/binding-feed/src/main/java/org/apache/tuscany/sca/binding/feed/provider/RSSBindingInvoker.java @@ -0,0 +1,91 @@ +/* + * 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.tuscany.sca.binding.feed.provider; + +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.DataExchangeSemantics; + +import com.sun.syndication.feed.atom.Feed; +import com.sun.syndication.feed.synd.SyndFeed; +import com.sun.syndication.io.FeedException; +import com.sun.syndication.io.SyndFeedInput; +import com.sun.syndication.io.WireFeedInput; +import com.sun.syndication.io.XmlReader; + +/** + * Invoker for the RSS binding. + * + * @version $Rev$ $Date$ + */ +class RSSBindingInvoker implements Invoker, DataExchangeSemantics { + private static final Logger logger = Logger.getLogger(RSSBindingInvoker.class.getName()); + + private String feedType; + private String uri; + + RSSBindingInvoker(String uri, String feedType) { + this.uri = uri; + this.feedType = feedType; + } + + public Message invoke(Message msg) { + try { + logger.info(">>> RSSBindingInvoker (" + feedType + ") " + uri); + + // Read the configured feed URI into a Feed object + Feed feed; + if (feedType.startsWith("atom_")) { + + // Read an Atom feed + WireFeedInput input = new WireFeedInput(); + feed = (Feed)input.build(new XmlReader(new URL(uri))); + } else { + + // Read an RSS feed and convert it to an Atom feed + SyndFeedInput input = new SyndFeedInput(); + SyndFeed syndFeed = input.build(new XmlReader(new URL(uri))); + feed = (Feed)syndFeed.createWireFeed("atom_1.0"); + } + + //FIXME Support conversion to data-api entries + + msg.setBody(feed); + + } catch (MalformedURLException e) { + msg.setFaultBody(e); + } catch (IllegalArgumentException e) { + msg.setFaultBody(e); + } catch (FeedException e) { + msg.setFaultBody(e); + } catch (IOException e) { + msg.setFaultBody(e); + } + return msg; + } + + public boolean allowsPassByReference() { + return true; + } +} |