1 files changed, 167 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingUtil.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingUtil.java
new file mode 100644
index 0000000000..ad1c8d2fd0
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingUtil.java
@@ -0,0 +1,167 @@
+/*
+ * 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.atom.provider;
+
+import java.util.Date;
+
+import org.apache.abdera.factory.Factory;
+import org.apache.abdera.model.Content;
+import org.apache.abdera.model.Content.Type;
+import org.apache.abdera.model.Link;
+import org.apache.tuscany.sca.data.collection.Entry;
+import org.apache.tuscany.sca.data.collection.Item;
+import org.apache.tuscany.sca.databinding.Mediator;
+import org.apache.tuscany.sca.interfacedef.DataType;
+
+/**
+ * Utility methods used in this package.
+ *
+ * @version $Rev$ $Date$
+ */
+class AtomBindingUtil {
+
+    /**
+     * Create a data item from an Atom entry.
+     * @param feedEntry
+     * @param itemClassType
+     * @param itemXMLType
+     * @param mediator
+     * @return
+     */
+    static Entry<Object, Object> entry(org.apache.abdera.model.Entry feedEntry,
+                                       DataType<?> itemClassType, DataType<?> itemXMLType, Mediator mediator) {
+        if (feedEntry != null) {
+            if (itemClassType.getPhysical() == Item.class || feedEntry.getContentType() == Type.HTML ) {
+                String key = feedEntry.getId().toString();
+
+                Item item = new Item();
+                item.setTitle(feedEntry.getTitle());
+                item.setContents(feedEntry.getContent());
+
+                for (Link link : feedEntry.getLinks()) {
+                    if (link.getRel() == null || "self".equals(link.getRel())) {
+                        if (item.getLink() == null) {
+                            item.setLink(link.getHref().toString());
+                        }
+                    } else if ("related".equals(link.getRel())) {
+                        item.setRelated(link.getHref().toString());
+                    } else if ("alternate".equals(link.getRel())) {
+                        item.setAlternate(link.getHref().toString());
+                    }
+                }
+
+                item.setDate(feedEntry.getUpdated());
+
+                return new Entry<Object, Object>(key, item);
+
+            } else {
+                String key = null; 
+                if ( feedEntry.getId() != null) {
+                    key = feedEntry.getId().toString();
+                }
+
+                // Create the item from XML
+                /*
+                if (feedEntry.getContentElement().getElements().size() == 0) {
+                    return null;
+                }
+                */
+
+                String value = feedEntry.getContent();
+                Object data = mediator.mediate(value, itemXMLType, itemClassType, null);
+
+                return new Entry<Object, Object>(key, data);
+            }
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Create an Atom entry for a key and item from a collection.
+     * @param entry
+     * @param itemClassType
+     * @param itemXMLType
+     * @param mediator
+     * @param factory
+     * @return
+     */
+    static org.apache.abdera.model.Entry feedEntry(Entry<Object, Object> entry,
+                                  DataType<?> itemClassType, DataType<?> itemXMLType, Mediator mediator,
+                                  Factory factory) {
+        Object key = entry.getKey();
+        Object data = entry.getData();
+        if (data instanceof Item) {
+            Item item = (Item)data;
+
+            org.apache.abdera.model.Entry feedEntry = factory.newEntry();
+            if (key != null) {
+                feedEntry.setId(key.toString());
+            }
+            feedEntry.setTitle(item.getTitle());
+            feedEntry.setContentAsHtml(item.getContents());
+
+            String href = item.getLink();
+            if (href == null && key != null) {
+                href = key.toString();
+            }
+
+            if (href != null) {
+                feedEntry.addLink(href);
+            }
+            String related = item.getRelated();
+            if (related != null) {
+                feedEntry.addLink(related, "related");
+            }
+            String alternate = item.getAlternate();
+            if (alternate != null) {
+                feedEntry.addLink(alternate, "alternate");
+            }
+
+            Date date = item.getDate();
+            if (date != null) {
+                feedEntry.setUpdated(date);
+            }
+            return feedEntry;
+
+        } else if (data != null) {
+            org.apache.abdera.model.Entry feedEntry = factory.newEntry();
+            feedEntry.setId(key.toString());
+            feedEntry.setTitle("item");
+
+
+            // Convert the item to XML
+            String value = mediator.mediate(data, itemClassType, itemXMLType, null).toString();
+
+            Content content = factory.newContent();
+            content.setContentType(Content.Type.XML);
+            content.setValue(value);
+
+            feedEntry.setContentElement(content);
+
+            feedEntry.addLink(key.toString());
+
+            return feedEntry;
+        } else {
+            return null;
+        }
+    }
+    
+}