[41/50] [abbrv] [OLINGO-200] Moving ODataDeserializer and ODataSerializer (interfaces and impl) to commons

[il...@apache.org]

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/a55ed62a/lib/commons-core/src/main/java/org/apache/olingo/commons/core/op/ResourceFactory.java
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diff --git a/lib/commons-core/src/main/java/org/apache/olingo/commons/core/op/ResourceFactory.java b/lib/commons-core/src/main/java/org/apache/olingo/commons/core/op/ResourceFactory.java
new file mode 100644
index 0000000..e585b2d
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+++ b/lib/commons-core/src/main/java/org/apache/olingo/commons/core/op/ResourceFactory.java
@@ -0,0 +1,125 @@
+/*
+ * 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.olingo.commons.core.op;
+
+import org.apache.olingo.commons.api.data.Entry;
+import org.apache.olingo.commons.api.data.Feed;
+import org.apache.olingo.commons.api.data.Property;
+import org.apache.olingo.commons.api.format.ODataPubFormat;
+import org.apache.olingo.commons.core.data.AtomEntryImpl;
+import org.apache.olingo.commons.core.data.AtomFeedImpl;
+import org.apache.olingo.commons.core.data.AtomPropertyImpl;
+import org.apache.olingo.commons.core.data.JSONEntryImpl;
+import org.apache.olingo.commons.core.data.JSONFeedImpl;
+import org.apache.olingo.commons.core.data.JSONPropertyImpl;
+
+public class ResourceFactory {
+
+  /**
+   * Gets a new instance of <tt>Feed</tt>.
+   *
+   * @param resourceClass reference class.
+   * @return <tt>Feed</tt> object.
+   */
+  public static Feed newFeed(final Class<? extends Feed> resourceClass) {
+    Feed result = null;
+
+    if (AtomFeedImpl.class.equals(resourceClass)) {
+      result = new AtomFeedImpl();
+    }
+    if (JSONFeedImpl.class.equals(resourceClass)) {
+      result = new JSONFeedImpl();
+    }
+
+    return result;
+  }
+
+  /**
+   * Gets a new instance of <tt>Entry</tt>.
+   *
+   * @param resourceClass reference class.
+   * @return <tt>Entry</tt> object.
+   */
+  public static Entry newEntry(final Class<? extends Entry> resourceClass) {
+    Entry result = null;
+    if (AtomEntryImpl.class.equals(resourceClass)) {
+      result = new AtomEntryImpl();
+    }
+    if (JSONEntryImpl.class.equals(resourceClass)) {
+      result = new JSONEntryImpl();
+    }
+
+    return result;
+  }
+
+  public static Property newProperty(final Class<? extends Entry> resourceClass) {
+    Property result = null;
+    if (AtomEntryImpl.class.equals(resourceClass)) {
+      result = new AtomPropertyImpl();
+    }
+    if (JSONEntryImpl.class.equals(resourceClass)) {
+      result = new JSONPropertyImpl();
+    }
+
+    return result;
+  }
+
+  /**
+   * Gets feed reference class from the given format.
+   *
+   * @param isXML whether it is JSON or XML / Atom
+   * @return resource reference class.
+   */
+  public static Class<? extends Feed> feedClassForFormat(final boolean isXML) {
+    return isXML ? AtomFeedImpl.class : JSONFeedImpl.class;
+  }
+
+  /**
+   * Gets entry reference class from the given format.
+   *
+   * @param isXML whether it is JSON or XML / Atom
+   * @return resource reference class.
+   */
+  public static Class<? extends Entry> entryClassForFormat(final boolean isXML) {
+    return isXML ? AtomEntryImpl.class : JSONEntryImpl.class;
+  }
+
+  /**
+   * Gets <tt>Entry</tt> object from feed resource.
+   *
+   * @param resourceClass feed reference class.
+   * @return <tt>Entry</tt> object.
+   */
+  public static Class<? extends Entry> entryClassForFeed(final Class<? extends Feed> resourceClass) {
+    Class<? extends Entry> result = null;
+
+    if (AtomFeedImpl.class.equals(resourceClass)) {
+      result = AtomEntryImpl.class;
+    }
+    if (JSONFeedImpl.class.equals(resourceClass)) {
+      result = JSONEntryImpl.class;
+    }
+
+    return result;
+  }
+
+  public static ODataPubFormat formatForEntryClass(final Class<? extends Entry> reference) {
+    return reference.equals(AtomEntryImpl.class) ? ODataPubFormat.ATOM : ODataPubFormat.JSON;
+  }
+}