1 files changed, 117 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/sca-node/modules/binding-feed/src/main/java/org/apache/tuscany/sca/binding/feed/provider/AtomFeedEntryUtil.java b/sandbox/sebastien/java/sca-node/modules/binding-feed/src/main/java/org/apache/tuscany/sca/binding/feed/provider/AtomFeedEntryUtil.java
new file mode 100644
index 0000000000..7adbfca6e8
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/binding-feed/src/main/java/org/apache/tuscany/sca/binding/feed/provider/AtomFeedEntryUtil.java
@@ -0,0 +1,117 @@
+/*
+ * 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.io.Reader;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.jdom.Document;
+import org.jdom.Element;
+import org.jdom.JDOMException;
+import org.jdom.input.SAXBuilder;
+import org.jdom.output.Format;
+import org.jdom.output.XMLOutputter;
+
+import com.sun.syndication.feed.atom.Content;
+import com.sun.syndication.feed.atom.Entry;
+import com.sun.syndication.feed.atom.Feed;
+import com.sun.syndication.io.FeedException;
+import com.sun.syndication.io.WireFeedInput;
+import com.sun.syndication.io.WireFeedOutput;
+
+/**
+ * Utility methods to read/write Atom entries.
+ *
+ * @version $Rev$ $Date$
+ */
+class AtomFeedEntryUtil {
+
+    /**
+     * Read an Atom entry
+     * 
+     * @param request
+     * @return
+     * @throws IOException
+     * @throws JDOMException
+     * @throws FeedException
+     * @throws IllegalArgumentException
+     */
+    static Entry readFeedEntry(String feedType, Reader reader) throws JDOMException, IOException, IllegalArgumentException,
+        FeedException {
+        SAXBuilder builder = new SAXBuilder();
+        Document document = builder.build(reader);
+        Element root = document.getRootElement();
+        root.detach();
+        Feed feed = new Feed();
+        feed.setFeedType(feedType);
+        WireFeedOutput wireFeedOutput = new WireFeedOutput();
+        document = wireFeedOutput.outputJDom(feed);
+        document.getRootElement().addContent(root);
+        WireFeedInput input = new WireFeedInput();
+        feed = (Feed)input.build(document);
+        Entry feedEntry = (Entry)feed.getEntries().get(0);
+        if (feedEntry.getContents().size() != 0) {
+            Content content = (Content)feedEntry.getContents().get(0);
+            if ("text/xml".equals(content.getType())) {
+                Element element = root.getChild("content", root.getNamespace());
+                if (!element.getChildren().isEmpty()) {
+                    element = (Element)element.getChildren().get(0);
+                    XMLOutputter outputter = new XMLOutputter();
+                    StringWriter sw = new StringWriter();
+                    outputter.output(element, sw);
+                    content.setValue(sw.toString());
+                }
+            }
+        }
+        return feedEntry;
+    }
+
+    /**
+     * Write an Atom entry.
+     * 
+     * @param entry
+     * @param response
+     * @throws FeedException
+     * @throws IllegalArgumentException
+     * @throws IOException
+     * @throws ServletException
+     */
+    static void writeFeedEntry(Entry feedEntry, String feedType, Writer writer) throws IllegalArgumentException, FeedException,
+        IOException {
+        Feed feed = new Feed();
+        feed.setFeedType(feedType);
+        List<Entry> feedEntries = new ArrayList<Entry>();
+        feedEntries.add(feedEntry);
+        feed.setEntries(feedEntries);
+
+        WireFeedOutput wireFeedOutput = new WireFeedOutput();
+        Document document = wireFeedOutput.outputJDom(feed);
+        Element root = document.getRootElement();
+        Element element = (Element)root.getChildren().get(0);
+        XMLOutputter outputter = new XMLOutputter();
+        outputter.setFormat(Format.getPrettyFormat());
+        outputter.output(element, writer);
+    }
+
+}