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From m...@apache.org
Subject git commit: [OLINGO-231] Added tests
Date Tue, 06 May 2014 14:16:34 GMT
Repository: olingo-odata2
Updated Branches:
  refs/heads/OLINGO-231_PocForAndroid 39beefb49 -> c321fb745


[OLINGO-231] Added tests


Project: http://git-wip-us.apache.org/repos/asf/olingo-odata2/repo
Commit: http://git-wip-us.apache.org/repos/asf/olingo-odata2/commit/c321fb74
Tree: http://git-wip-us.apache.org/repos/asf/olingo-odata2/tree/c321fb74
Diff: http://git-wip-us.apache.org/repos/asf/olingo-odata2/diff/c321fb74

Branch: refs/heads/OLINGO-231_PocForAndroid
Commit: c321fb745c8c1d20d9e3340e982d9311eb2527ca
Parents: 39beefb
Author: Michael Bolz <michael.bolz@sap.com>
Authored: Mon May 5 14:59:36 2014 +0200
Committer: Michael Bolz <michael.bolz@sap.com>
Committed: Tue May 6 16:16:17 2014 +0200

----------------------------------------------------------------------
 odata2-android/pom.xml                          |  23 ++
 .../odata2/android/xml/AndroidXmlFactory.java   |  19 +-
 .../odata2/android/xml/AndroidXmlReader.java    |  60 +++--
 .../odata2/android/xml/AndroidXmlWriter.java    | 264 ++++++++++++++-----
 .../android/xml/AndroidXmlFactoryTest.java      | 114 ++++++++
 .../android/xml/AndroidXmlReaderTest.java       | 164 ++++++++++++
 .../android/xml/AndroidXmlWriterTest.java       | 158 +++++++++++
 .../odata2/api/xml/XMLStreamConstants.java      |   2 +-
 .../olingo/odata2/api/xml/XMLStreamReader.java  |   2 +-
 .../odata2/core/xml/JavaxStaxReaderWrapper.java |   4 +-
 .../core/xml/JavaxStaxReaderWrapperTest.java    | 164 ++++++++++++
 .../core/xml/JavaxStaxStreamFactoryTest.java    | 131 +++++++++
 .../core/xml/JavaxStaxWriterWrapperTest.java    | 194 ++++++++++++++
 .../odata2/testutil/helper/StringHelper.java    |  10 +
 14 files changed, 1222 insertions(+), 87 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-android/pom.xml
----------------------------------------------------------------------
diff --git a/odata2-android/pom.xml b/odata2-android/pom.xml
index 4448fd8..8a8e1c3 100644
--- a/odata2-android/pom.xml
+++ b/odata2-android/pom.xml
@@ -34,6 +34,7 @@
 
 <properties>
   <version.android>4.1.1.4</version.android>
+  <version.robolectric>2.2</version.robolectric>
 </properties>
 
   <build>
@@ -95,5 +96,27 @@
       <artifactId>olingo-odata2-core</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>org.apache.olingo</groupId>
+      <artifactId>olingo-odata2-testutil</artifactId>
+      <version>${project.version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.robolectric</groupId>
+      <artifactId>robolectric</artifactId>
+      <version>${version.robolectric}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>xmlunit</groupId>
+      <artifactId>xmlunit</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 </project>

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlFactory.java
----------------------------------------------------------------------
diff --git a/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlFactory.java b/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlFactory.java
index 1660390..f2888a9 100644
--- a/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlFactory.java
+++ b/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlFactory.java
@@ -1,6 +1,23 @@
+/*******************************************************************************
+ * 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.odata2.android.xml;
 
-import org.apache.olingo.odata2.api.ep.EntityProviderException;
 import org.apache.olingo.odata2.api.xml.*;
 import org.apache.olingo.odata2.core.xml.AbstractXmlStreamFactory;
 

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlReader.java
----------------------------------------------------------------------
diff --git a/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlReader.java b/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlReader.java
index cb4bacc..d793fe6 100644
--- a/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlReader.java
+++ b/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlReader.java
@@ -1,3 +1,21 @@
+/*******************************************************************************
+ * 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.odata2.android.xml;
 
 import java.io.IOException;
@@ -14,6 +32,9 @@ import org.xmlpull.v1.XmlPullParserException;
 
 import android.util.Xml;
 
+/**
+ * Wrapper for XmlPullParser in Android SDK
+ */
 public class AndroidXmlReader implements XMLStreamReader {
 
   private final XmlPullParser parser;
@@ -79,8 +100,7 @@ public class AndroidXmlReader implements XMLStreamReader {
 
   @Override
   public String getAttributeValue(String namespaceURI, String localName) {
-    String attributeValue = parser.getAttributeValue(namespaceURI, localName);
-    return attributeValue;
+    return parser.getAttributeValue(namespaceURI, localName);
   }
 
   @Override
@@ -126,27 +146,23 @@ public class AndroidXmlReader implements XMLStreamReader {
       e.printStackTrace();
     }
     final String prefix = tmp;
-    // TODO Auto-generated method stub
-    NamespaceContext nctx = new NamespaceContext() {
+    return new NamespaceContext() {
       public String getPrefix(String index) {
         return prefix;
       }
     };
-    return nctx;
   }
 
   @Override
-  public int getNamespaceCount() {
+  public int getNamespaceCount() throws XMLStreamException {
     // FIXME
     try {
       int depth = parser.getDepth();
       int nsStart = parser.getNamespaceCount(depth-1);
       int nsEnd = parser.getNamespaceCount(depth);
-      int nsCount = nsEnd - nsStart;
-      return nsCount;
+      return nsEnd - nsStart;
     } catch (XmlPullParserException e) {
-      e.printStackTrace();
-      return -1;
+      throw new XMLStreamException("Got XmlPullParserException with message: " + e.getMessage(), e);
     }
   }
 
@@ -239,9 +255,9 @@ public class AndroidXmlReader implements XMLStreamReader {
   }
 
   @Override
-  public void next() throws XMLStreamException {
+  public int next() throws XMLStreamException {
     try {
-      parser.next();
+      return map2XmlStreamEventType(parser.next());
     } catch (XmlPullParserException e) {
       throw new XMLStreamException("Got XmlPullParserException with message: " + e.getMessage(), e);
     } catch (IOException e) {
@@ -252,7 +268,7 @@ public class AndroidXmlReader implements XMLStreamReader {
   @Override
   public int nextTag() throws XMLStreamException {
     try {
-      return parser.nextTag();
+      return map2XmlStreamEventType(parser.nextTag());
     } catch (XmlPullParserException e) {
       throw new XMLStreamException("Got XmlPullParserException with message: " + e.getMessage(), e);
     } catch (IOException e) {
@@ -263,7 +279,7 @@ public class AndroidXmlReader implements XMLStreamReader {
   @Override
   public void require(int eventType, String namespace, String tag) throws XMLStreamException {
     try {
-      int xmlPullEventType = mapEventType(eventType);
+      int xmlPullEventType = map2AndroidEventType(eventType);
       parser.require(xmlPullEventType, namespace, tag);
     } catch (XmlPullParserException e) {
       throw new XMLStreamException("Got XmlPullParserException with message: " + e.getMessage(), e);
@@ -272,7 +288,7 @@ public class AndroidXmlReader implements XMLStreamReader {
     }
   }
 
-  private int mapEventType(int eventType) {
+  private int map2AndroidEventType(int eventType) {
     switch (eventType) {
       case XMLStreamConstants.START_ELEMENT: return XmlPullParser.START_TAG;
       case XMLStreamConstants.END_ELEMENT: return XmlPullParser.END_TAG;
@@ -284,4 +300,18 @@ public class AndroidXmlReader implements XMLStreamReader {
                 eventType + "') for mapping.");
     }
   }
+
+  private int map2XmlStreamEventType(int eventType) {
+    switch (eventType) {
+      case XmlPullParser.TEXT: return XMLStreamConstants.CHARACTERS;
+      case XmlPullParser.START_TAG: return XMLStreamConstants.START_ELEMENT;
+      case XmlPullParser.END_TAG: return XMLStreamConstants.END_ELEMENT;
+      case XmlPullParser.START_DOCUMENT: return XMLStreamConstants.START_DOCUMENT;
+      case XmlPullParser.END_DOCUMENT: return XMLStreamConstants.END_DOCUMENT;
+      case XmlPullParser.DOCDECL: return XMLStreamConstants.DTD;
+      default:
+        throw new IllegalArgumentException("Unknown event type ('" +
+                eventType + "') for mapping.");
+    }
+  }
 }
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlWriter.java
----------------------------------------------------------------------
diff --git a/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlWriter.java b/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlWriter.java
index 211738a..0e8887d 100644
--- a/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlWriter.java
+++ b/odata2-android/src/main/java/org/apache/olingo/odata2/android/xml/AndroidXmlWriter.java
@@ -1,30 +1,85 @@
+/*******************************************************************************
+ * 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.odata2.android.xml;
 
-import org.apache.olingo.odata2.api.ep.EntityProviderException;
+import android.util.Xml;
 import org.apache.olingo.odata2.api.xml.XMLStreamException;
 import org.apache.olingo.odata2.api.xml.XMLStreamWriter;
-import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlSerializer;
 
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.io.Writer;
 import java.util.Map;
+import java.util.Stack;
 
 /**
  */
 public class AndroidXmlWriter implements XMLStreamWriter {
 
-  private Writer writer;
+  private static final String DEFAULT_ENCODING = "UTF-8";
+  private static final String DEFAULT_VERSION = "1.0";
 
-  public AndroidXmlWriter(Object output) {
-    if (output instanceof OutputStream) {
-      writer = new PrintWriter((OutputStream) output);
-    } else if (output instanceof Writer) {
-      writer = (Writer) output;
+  private final XmlSerializer serializer;
+  private final Stack<String> tags;
+  private final Stack<String> namespaces;
+
+  private String defaultNamespace = null;
+
+  public AndroidXmlWriter(Object output) throws XMLStreamException {
+    this(output, DEFAULT_ENCODING);
+  }
+
+  public AndroidXmlWriter(Object output, String encoding) throws XMLStreamException {
+    serializer = Xml.newSerializer();
+    tags = new Stack<String>();
+    namespaces = new Stack<String>();
+
+    try {
+      if (output instanceof OutputStream) {
+        serializer.setOutput((OutputStream) output, encoding);
+      } else if (output instanceof Writer) {
+        serializer.setOutput((Writer) output);
+      } else {
+        throw new XMLStreamException("Unsupported parameter value. " +
+                "Requires an OutputStream or a Writer instance.");
+      }
+    } catch (IllegalStateException e) {
+      wrapAndReThrow(e);
+    } catch (IOException e) {
+      wrapAndReThrow(e);
     }
   }
 
+  private void wrapAndReThrow(Exception e) throws XMLStreamException {
+    wrapAndReThrow("Unexpected exception with message: " + e.getMessage(), e);
+  }
+
+  private void wrapAndReThrow(String message, Exception e) throws XMLStreamException {
+    throw new XMLStreamException(message, e);
+  }
+
+  private String nextTagToClose() {
+    return tags.pop();
+  }
+
   public AndroidXmlWriter setProperties(Map<String, Object> properties) throws XMLStreamException {
     for (Map.Entry<String, Object> entry : properties.entrySet()) {
       setProperty(entry.getKey(), entry.getValue());
@@ -33,125 +88,200 @@ public class AndroidXmlWriter implements XMLStreamWriter {
   }
 
   public AndroidXmlWriter setProperty(String name, Object value) throws XMLStreamException {
+    try {
+      serializer.setProperty(name, value);
+    } catch (IllegalStateException e) {
+      wrapAndReThrow(e);
+    }
     return this;
   }
 
 
   @Override
   public void flush() throws XMLStreamException {
-    write("flush");
     try {
-      if(writer != null) {
-        writer.flush();
+      if(serializer != null) {
+        serializer.flush();
       }
     } catch (IOException e) {
-      // TODO Auto-generated catch block
-      e.printStackTrace();
+      wrapAndReThrow("Exception during flush with message: " + e.getMessage(), e);
     }
   }
 
   @Override
-  public void setDefaultNamespace(String arg0) throws XMLStreamException {
-    write("setDefaultNamespace", arg0);
+  public void setDefaultNamespace(String uri) throws XMLStreamException {
+    defaultNamespace = uri;
+    writeNamespace("", defaultNamespace);
   }
 
   @Override
-  public void setPrefix(String arg0, String arg1) throws XMLStreamException {
-    write("setPrefix", arg0, arg1);
-
+  public void setPrefix(String prefix, String uri) throws XMLStreamException {
+    try {
+      serializer.setPrefix(prefix, uri);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
   @Override
-  public void writeAttribute(String arg0, String arg1) throws XMLStreamException {
-    write("writeAttribute", arg0, arg1);
-
+  public void writeStartDocument() throws XMLStreamException {
+    try {
+      writeStartDocument(DEFAULT_ENCODING, DEFAULT_VERSION);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
   @Override
-  public void writeAttribute(String arg0, String arg1, String arg2, String arg3) throws XMLStreamException {
-    write("writeAttribute", arg0, arg1, arg2);
-
+  public void writeAttribute(String localName, String value) throws XMLStreamException {
+    try {
+      writeAttribute(nextNamespaceUriToWrite(), localName, value);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
   @Override
-  public void writeCharacters(String arg0) throws XMLStreamException {
-    write("writeCharacters", arg0);
-
+  public void writeAttribute(String namespaceURI, String localName, String value) throws XMLStreamException {
+    try {
+      writeAttribute(null, namespaceURI, localName, value);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
   @Override
-  public void writeDefaultNamespace(String arg0) throws XMLStreamException {
-    write("writeDefaultNamespace", arg0);
-
+  public void writeAttribute(String prefix, String namespaceURI, String localName, String value)
+          throws XMLStreamException {
+    try {
+      writeCurrentTag();
+      serializer.attribute(namespaceURI, localName, value);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
   @Override
-  public void writeEndDocument() throws XMLStreamException {
-    write("writeEndDocument");
-
+  public void writeDefaultNamespace(String namespaceURI) throws XMLStreamException {
+    setDefaultNamespace(namespaceURI);
   }
 
   @Override
-  public void writeEndElement() throws XMLStreamException {
-    write("writeEndElement");
-
+  public void writeNamespace(String prefix, String namespaceURI) throws XMLStreamException {
+    try {
+      serializer.setPrefix(prefix, namespaceURI);
+    } catch (IOException e) {
+      wrapAndReThrow(e);
+    }
   }
 
   @Override
-  public void writeNamespace(String arg0, String arg1) throws XMLStreamException {
-    write("writeNamespace", arg0, arg1);
-
+  public void writeStartElement(String localName) throws XMLStreamException {
+    try {
+      writeStartElement(nextNamespaceUriToWrite(), localName);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
-  @Override
-  public void writeStartDocument() throws XMLStreamException {
-    write("writeStartDocument");
+  private String nextNamespaceUriToWrite() {
+    return nextNamespaceUriToWrite(true);
+  }
 
+  private String nextNamespaceUriToWrite(boolean keep) {
+    if(namespaces.isEmpty()) {
+      return defaultNamespace;
+    }
+    if(keep) {
+      return namespaces.peek();
+    }
+    return namespaces.pop();
   }
 
   @Override
-  public void writeStartElement(String arg0) throws XMLStreamException {
-    write("writeStartElement", arg0);
-
+  public void writeStartElement(String namespaceURI, String localName) throws XMLStreamException {
+    try {
+      String prefix = serializer.getPrefix(namespaceURI, false);
+      writeStartElement(prefix, localName, namespaceURI);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
+  TagHandle currentTag = null;
+
   @Override
-  public void writeStartElement(String arg0, String arg1) throws XMLStreamException {
-    write("writeStartElement", arg0, arg1);
+  public void writeStartElement(String prefix, String localName, String namespaceURI) throws XMLStreamException {
+    try {
+      writeCurrentTag();
+      //
+      tags.push(localName);
+      namespaces.push(namespaceURI);
+      //
+      currentTag = new TagHandle(localName, namespaceURI, prefix);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
+  }
 
+  @Override
+  public void writeStartDocument(String encoding, String version) throws XMLStreamException {
+    try {
+      serializer.startDocument(encoding, null);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
   @Override
-  public void writeStartElement(String arg0, String arg1, String arg2) throws XMLStreamException {
-    write("writeStartElement", arg0, arg1, arg2);
+  public void writeEndElement() throws XMLStreamException {
+    try {
+      writeCurrentTag();
+      serializer.endTag(nextNamespaceUriToWrite(false), nextTagToClose());
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
-  private void write(String message, String... content) {
+  @Override
+  public void writeEndDocument() throws XMLStreamException {
     try {
-      if (writer == null) {
-        throw new RuntimeException("Writer not initialized.");
-//        writer.append("Writer not initialized\n");
-      } else {
-        writer.append(message).append("\n");
-        for (String string : content) {
-          writer.append("->").append(string).append("<-\n");
-        }
-      }
-    } catch (IOException e) {
-      // TODO Auto-generated catch block
-      e.printStackTrace();
+      serializer.endDocument();
+    } catch (Exception e) {
+      wrapAndReThrow(e);
     }
   }
 
   @Override
-  public void writeAttribute(String arg0, String arg1, String arg2) throws XMLStreamException {
-    // TODO Auto-generated method stub
+  public void writeCharacters(String text) throws XMLStreamException {
+    try {
+      writeCurrentTag();
+      serializer.text(text);
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
+  }
 
+  private void writeCurrentTag() throws XMLStreamException {
+    try {
+      if(currentTag != null) {
+        serializer.startTag(currentTag.namespaceUri, currentTag.name);
+        currentTag = null;
+      }
+    } catch (Exception e) {
+      wrapAndReThrow(e);
+    }
   }
 
-  @Override
-  public void writeStartDocument(String arg0, String arg1) throws XMLStreamException {
-    // TODO Auto-generated method stub
+  private class TagHandle {
+    final String name;
+    final String namespaceUri;
+    final String namespacePrefix;
 
+    private TagHandle(String name, String namespaceUri, String namespacePrefix) {
+      this.name = name;
+      this.namespaceUri = namespaceUri;
+      this.namespacePrefix = namespacePrefix;
+    }
   }
 }

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlFactoryTest.java
----------------------------------------------------------------------
diff --git a/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlFactoryTest.java b/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlFactoryTest.java
new file mode 100644
index 0000000..e51c345
--- /dev/null
+++ b/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlFactoryTest.java
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ * 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.odata2.android.xml;
+
+import junit.framework.Assert;
+import org.apache.olingo.odata2.api.xml.XMLStreamException;
+import org.apache.olingo.odata2.api.xml.XMLStreamReader;
+import org.apache.olingo.odata2.api.xml.XMLStreamWriter;
+import org.apache.olingo.odata2.testutil.helper.StringHelper;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.StringWriter;
+
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertNotNull;
+import static org.apache.olingo.odata2.api.xml.XMLStreamReaderFactory.XML_STREAM_READER_FACTORY_CLASS;
+import static org.apache.olingo.odata2.api.xml.XMLStreamWriterFactory.XML_STREAM_WRITER_FACTORY_CLASS;
+
+/**
+ */
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest=Config.NONE)
+public class AndroidXmlFactoryTest {
+
+  private AndroidXmlFactory streamFactory;
+
+  public static final String BASIC_CONTENT = "<?xml version='1.0' encoding='UTF-8' ?><start />";
+
+  // CHECKSTYLE:OFF
+  @Before
+  public void init() {
+    //
+    System.setProperty(XML_STREAM_READER_FACTORY_CLASS, AndroidXmlFactoryTest.class.getName()); // NOSONAR
+    System.setProperty(XML_STREAM_WRITER_FACTORY_CLASS, AndroidXmlFactoryTest.class.getName()); // NOSONAR
+    //
+    streamFactory = new AndroidXmlFactory();
+  }
+  // CHECKSTYLE:ON
+
+
+  @Test
+  @Ignore("Will work with robolectric version 2.3")
+  public void createReader() throws Exception {
+    InputStream stream = StringHelper.encapsulate(BASIC_CONTENT);
+    XMLStreamReader xmlReader = streamFactory.createXMLStreamReader(stream);
+    assertNotNull(xmlReader);
+    Assert.assertTrue(xmlReader.hasNext());
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void createReaderWrongContent() throws Exception {
+    XMLStreamReader xmlReader = streamFactory.createXMLStreamReader("content");
+    assertNotNull(xmlReader);
+    Assert.assertTrue(xmlReader.hasNext());
+  }
+
+  @Test
+  public void createWriterStream() throws Exception {
+    ByteArrayOutputStream stream = new ByteArrayOutputStream();
+    XMLStreamWriter xmlReader = streamFactory.createXMLStreamWriter(stream);
+    xmlReader.writeStartDocument();
+    xmlReader.writeStartElement("start");
+    xmlReader.writeEndElement();
+    xmlReader.writeEndDocument();
+    xmlReader.flush();
+
+    assertNotNull(xmlReader);
+    assertEquals(BASIC_CONTENT, new String(stream.toByteArray()));
+  }
+
+  @Test
+  public void createWriterPrintWriter() throws Exception {
+
+    StringWriter writer = new StringWriter();
+    XMLStreamWriter xmlReader = streamFactory.createXMLStreamWriter(writer);
+    xmlReader.writeStartDocument();
+    xmlReader.writeStartElement("start");
+    xmlReader.writeEndElement();
+    xmlReader.writeEndDocument();
+    xmlReader.flush();
+
+    assertNotNull(xmlReader);
+    assertEquals(BASIC_CONTENT, writer.toString());
+  }
+
+  @Test(expected = XMLStreamException.class)
+  public void createWriterWrongContent() throws Exception {
+    XMLStreamWriter xmlReader = streamFactory.createXMLStreamWriter("fail");
+    assertNotNull(xmlReader);
+  }
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlReaderTest.java
----------------------------------------------------------------------
diff --git a/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlReaderTest.java b/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlReaderTest.java
new file mode 100644
index 0000000..51cebbb
--- /dev/null
+++ b/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlReaderTest.java
@@ -0,0 +1,164 @@
+/*******************************************************************************
+ * 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.odata2.android.xml;
+
+import org.apache.olingo.odata2.api.edm.Edm;
+import org.apache.olingo.odata2.api.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.ep.EntityProvider;
+import org.apache.olingo.odata2.api.ep.EntityProviderReadProperties;
+import org.apache.olingo.odata2.api.ep.entry.ODataEntry;
+import org.apache.olingo.odata2.api.xml.XMLStreamConstants;
+import org.apache.olingo.odata2.api.xml.XMLStreamException;
+import org.apache.olingo.odata2.testutil.helper.StringHelper;
+import org.apache.olingo.odata2.testutil.mock.MockFacade;
+import org.custommonkey.xmlunit.SimpleNamespaceContext;
+import org.custommonkey.xmlunit.XMLUnit;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.Map;
+
+import static junit.framework.Assert.assertEquals;
+import static org.apache.olingo.odata2.api.xml.XMLStreamReaderFactory.XML_STREAM_READER_FACTORY_CLASS;
+
+/**
+ */
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest=Config.NONE)
+@Ignore("Will work with robolectric version 2.3")
+public class AndroidXmlReaderTest {
+
+  private static final String BASIC_RESULT =
+          "<?xml version='1.0' ?>" +
+          "<n0:test xmlns:n0=\"http://defaultNamespace\">" +
+          "<n1:second n1:attName=\"attValue\" xmlns:n1=\"namespace\"/>" +
+          "</n0:test>";
+
+  private static final String EMPLOYEE = "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n" +
+          "<entry xml:base=\"http://root\" xmlns=\"http://www.w3.org/2005/Atom\" " +
+          "xmlns:d=\"http://schemas.microsoft.com/ado/2007/08/dataservices\" " +
+          "xmlns:m=\"http://schemas.microsoft.com/ado/2007/08/dataservices/metadata\">\n" +
+          "\t<id>http://rootEmployees('1')</id>\n" +
+          "\t<title type=\"text\">Walter Winter</title>\n" +
+          "\t<updated>1999-01-01T00:00:00Z</updated>\n" +
+          "\t<category scheme=\"http://schemas.microsoft.com/ado/2007/08/dataservices/scheme\" term=\"RefScenario" +
+          ".Employee\"/>\n" +
+          "\t<link href=\"Employees('1')\" rel=\"edit\" title=\"Employee\"/>\n" +
+          "\t<link href=\"Employees('1')/$value\" rel=\"edit-media\" type=\"application/octet-stream\"/>\n" +
+          "\t<link href=\"Employees('1')/ne_Manager\" rel=\"http://schemas.microsoft" +
+          ".com/ado/2007/08/dataservices/related/ne_Manager\" title=\"ne_Manager\" type=\"application/atom+xml;" +
+          "type=entry\"/>\n" +
+          "\t<link href=\"Employees('1')/ne_Team\" rel=\"http://schemas.microsoft" +
+          ".com/ado/2007/08/dataservices/related/ne_Team\" title=\"ne_Team\" type=\"application/atom+xml;" +
+          "type=entry\"/>\n" +
+          "\t<link href=\"Employees('1')/ne_Room\" rel=\"http://schemas.microsoft" +
+          ".com/ado/2007/08/dataservices/related/ne_Room\" title=\"ne_Room\" type=\"application/atom+xml;" +
+          "type=entry\"/>\n" +
+          "\t<content src=\"Employees('1')/$value\" type=\"application/octet-stream\"/>\n" +
+          "\t<m:properties>\n" +
+          "\t\t<d:EmployeeId>1</d:EmployeeId>\n" +
+          "\t\t<d:EmployeeName>Walter Winter</d:EmployeeName>\n" +
+          "\t\t<d:ManagerId>1</d:ManagerId>\n" +
+          "\t\t<d:RoomId>1</d:RoomId>\n" +
+          "\t\t<d:TeamId>42</d:TeamId>\n" +
+          "\t\t<d:Location m:type=\"RefScenario.c_Location\">\n" +
+          "\t\t\t<d:City m:type=\"RefScenario.c_City\">\n" +
+          "\t\t\t\t<d:PostalCode>33470</d:PostalCode>\n" +
+          "\t\t\t\t<d:CityName>Duckburg</d:CityName>\n" +
+          "\t\t\t</d:City>\n" +
+          "\t\t\t<d:Country>Calisota</d:Country>\n" +
+          "\t\t</d:Location>\n" +
+          "\t\t<d:Age>52</d:Age>\n" +
+          "\t\t<d:EntryDate>1999-01-01T00:00:00</d:EntryDate>\n" +
+          "\t\t<d:ImageUrl m:null=\"true\"/>\n" +
+          "\t</m:properties>\n" +
+          "</entry>";
+
+  // CHECKSTYLE:OFF
+  @Before
+  public void init() {
+    //
+    System.setProperty(XML_STREAM_READER_FACTORY_CLASS, AndroidXmlFactory.class.getName()); // NOSONAR
+    //
+    Map<String, String> prefixMap = new HashMap<String, String>();
+    prefixMap.put("", Edm.NAMESPACE_ATOM_2005);
+    prefixMap.put("d", Edm.NAMESPACE_D_2007_08);
+    prefixMap.put("m", Edm.NAMESPACE_M_2007_08);
+    prefixMap.put("xml", Edm.NAMESPACE_XML_1998);
+    XMLUnit.setXpathNamespaceContext(new SimpleNamespaceContext(prefixMap));
+  }
+  // CHECKSTYLE:ON
+
+  @Test
+  public void basic() throws XMLStreamException {
+    StringHelper.Stream stream = StringHelper.toStream(BASIC_RESULT);
+    AndroidXmlReader xmlReader = new AndroidXmlReader(stream.asStream());
+
+    int[] expected = new int[]{
+            XMLStreamConstants.START_DOCUMENT,
+            XMLStreamConstants.START_ELEMENT,
+            XMLStreamConstants.START_ELEMENT,
+            XMLStreamConstants.END_ELEMENT,
+            XMLStreamConstants.END_ELEMENT,
+            XMLStreamConstants.END_DOCUMENT};
+    int pos = 0;
+    while(xmlReader.hasNext()) {
+      int elementId = xmlReader.next();
+//      System.out.println("E: " + elementId);
+      assertEquals(expected[pos++], elementId);
+    }
+  }
+
+  @Test
+  public void entityProvider() throws Exception {
+    Edm edmMock = MockFacade.getMockEdm();
+
+    String contentType = "application/xml";
+    EdmEntitySet entitySet = edmMock.getDefaultEntityContainer().getEntitySet("Employees");
+    EntityProviderReadProperties properties =
+            EntityProviderReadProperties.init().build();
+
+    StringHelper.Stream content = StringHelper.toStream(EMPLOYEE);
+
+    ODataEntry entry = EntityProvider.readEntry(contentType, entitySet, content.asStream(), properties);
+    Map<String, Object> employeeData = entry.getProperties();
+
+    // validate
+    assertEquals(9, employeeData.size());
+    //
+    assertEquals("1", employeeData.get("EmployeeId"));
+    assertEquals("Walter Winter", employeeData.get("EmployeeName"));
+    assertEquals("1", employeeData.get("ManagerId"));
+    assertEquals("1", employeeData.get("RoomId"));
+    assertEquals("42", employeeData.get("TeamId"));
+    assertEquals(Integer.valueOf(52), employeeData.get("Age"));
+    assertEquals(915148800000l, ((Calendar)employeeData.get("EntryDate")).getTimeInMillis());
+    Map<String, Object> location = (Map<String, Object>) employeeData.get("Location");
+    assertEquals("Calisota", location.get("Country"));
+    Map<String, Object> city = (Map<String, Object>) location.get("City");
+    assertEquals("33470", city.get("PostalCode"));
+    assertEquals("Duckburg", city.get("CityName"));
+  }
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlWriterTest.java
----------------------------------------------------------------------
diff --git a/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlWriterTest.java b/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlWriterTest.java
new file mode 100644
index 0000000..0eb376c
--- /dev/null
+++ b/odata2-android/src/test/java/org/apache/olingo/odata2/android/xml/AndroidXmlWriterTest.java
@@ -0,0 +1,158 @@
+/*******************************************************************************
+ * 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.odata2.android.xml;
+
+import junit.framework.Assert;
+import org.apache.olingo.odata2.api.edm.Edm;
+import org.apache.olingo.odata2.api.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.ep.EntityProvider;
+import org.apache.olingo.odata2.api.ep.EntityProviderWriteProperties;
+import org.apache.olingo.odata2.api.processor.ODataResponse;
+import org.apache.olingo.odata2.api.xml.XMLStreamException;
+import org.apache.olingo.odata2.testutil.helper.StringHelper;
+import org.apache.olingo.odata2.testutil.mock.MockFacade;
+import org.custommonkey.xmlunit.SimpleNamespaceContext;
+import org.custommonkey.xmlunit.XMLUnit;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+import java.io.StringWriter;
+import java.io.Writer;
+import java.net.URI;
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TimeZone;
+
+import static org.apache.olingo.odata2.api.xml.XMLStreamWriterFactory.XML_STREAM_WRITER_FACTORY_CLASS;
+import static org.custommonkey.xmlunit.XMLAssert.assertXpathEvaluatesTo;
+import static org.custommonkey.xmlunit.XMLAssert.assertXpathExists;
+
+/**
+ */
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest=Config.NONE)
+public class AndroidXmlWriterTest {
+
+  private static final String BASIC_RESULT =
+          "<?xml version='1.0' encoding='UTF-8' ?>" +
+          "<test xmlns=\"http://defaultNamespace\">" +
+          "<n0:second n0:attName=\"attValue\" xmlns:n0=\"namespace\" />" +
+          "</test>";
+
+  // CHECKSTYLE:OFF
+  @Before
+  public void init() {
+    //
+    System.setProperty(XML_STREAM_WRITER_FACTORY_CLASS, AndroidXmlFactory.class.getName()); // NOSONAR
+    //
+    Map<String, String> prefixMap = new HashMap<String, String>();
+    prefixMap.put("", Edm.NAMESPACE_ATOM_2005);
+    prefixMap.put("d", Edm.NAMESPACE_D_2007_08);
+    prefixMap.put("m", Edm.NAMESPACE_M_2007_08);
+    prefixMap.put("xml", Edm.NAMESPACE_XML_1998);
+    XMLUnit.setXpathNamespaceContext(new SimpleNamespaceContext(prefixMap));
+  }
+  // CHECKSTYLE:ON
+
+  @Test
+  public void basic() throws XMLStreamException {
+    Writer writer = new StringWriter();
+    AndroidXmlWriter xmlWriter = new AndroidXmlWriter(writer);
+
+    xmlWriter.writeStartDocument();
+    xmlWriter.setDefaultNamespace("http://defaultNamespace");
+    xmlWriter.writeStartElement("test");
+    xmlWriter.writeStartElement("namespace", "second");
+    xmlWriter.writeAttribute("attName", "attValue");
+    xmlWriter.writeEndElement();
+    xmlWriter.writeEndElement();
+    xmlWriter.writeEndDocument();
+
+    xmlWriter.flush();
+
+    //
+    Assert.assertEquals(BASIC_RESULT, writer.toString());
+  }
+
+  @Test
+  public void entityProvider() throws Exception {
+    Edm edmMock = MockFacade.getMockEdm();
+
+    String contentType = "application/xml";
+    EdmEntitySet entitySet = edmMock.getDefaultEntityContainer().getEntitySet("Employees");
+    Map<String, Object> data = createEmployeeData();
+    EntityProviderWriteProperties properties =
+            EntityProviderWriteProperties.serviceRoot(URI.create("http://root")).build();
+
+    ODataResponse entry = EntityProvider.writeEntry(contentType, entitySet, data, properties);
+    StringHelper.Stream content = StringHelper.toStream(entry.getEntity());
+
+    String xmlString = content.asString();
+    System.out.println(xmlString);
+
+    assertXpathEvaluatesTo(Edm.NAMESPACE_ATOM_2005, "/*/namespace::*[name()='']", xmlString);
+
+    assertXpathExists("/:entry", xmlString);
+    assertXpathExists("/:entry/:content", xmlString);
+    // verify self link
+    assertXpathExists("/:entry/:link[@href=\"Employees('1')\"]", xmlString);
+    // verify content media link
+    assertXpathExists("/:entry/:link[@href=\"Employees('1')/$value\"]", xmlString);
+    // verify one navigation link
+    assertXpathExists("/:entry/:link[@title='ne_Manager']", xmlString);
+
+    // verify content
+    assertXpathExists("/:entry/:content[@type='application/octet-stream']", xmlString);
+    // verify properties
+    assertXpathExists("/:entry/m:properties", xmlString);
+    assertXpathEvaluatesTo("9", "count(/:entry/m:properties/*)", xmlString);
+  }
+
+  private Map<String, Object> createEmployeeData() {
+    Map<String, Object> employeeData = new HashMap<String, Object>();
+
+    Calendar date = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
+    date.clear();
+    date.set(1999, 0, 1);
+
+    employeeData.put("EmployeeId", "1");
+    employeeData.put("ImmageUrl", null);
+    employeeData.put("ManagerId", "1");
+    employeeData.put("Age", new Integer(52));
+    employeeData.put("RoomId", "1");
+    employeeData.put("EntryDate", date);
+    employeeData.put("TeamId", "42");
+    employeeData.put("EmployeeName", "Walter Winter");
+
+    Map<String, Object> locationData = new HashMap<String, Object>();
+    Map<String, Object> cityData = new HashMap<String, Object>();
+    cityData.put("PostalCode", "33470");
+    cityData.put("CityName", "Duckburg");
+    locationData.put("City", cityData);
+    locationData.put("Country", "Calisota");
+
+    employeeData.put("Location", locationData);
+
+    return employeeData;
+  }
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamConstants.java
----------------------------------------------------------------------
diff --git a/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamConstants.java b/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamConstants.java
index d6ab4c3..25d0d50 100644
--- a/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamConstants.java
+++ b/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamConstants.java
@@ -25,7 +25,7 @@ public interface XMLStreamConstants {
   int START_ELEMENT = 1;
   int END_ELEMENT = 2;
 //  int PROCESSING_INSTRUCTION = 3;
-//  int CHARACTERS = 4;
+  int CHARACTERS = 4;
 //  int COMMENT = 5;
 //  int SPACE = 6;
   int START_DOCUMENT = 7;

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamReader.java
----------------------------------------------------------------------
diff --git a/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamReader.java b/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamReader.java
index 8f91335..0a47390 100644
--- a/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamReader.java
+++ b/odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/xml/XMLStreamReader.java
@@ -43,7 +43,7 @@ public interface XMLStreamReader {
 
   public abstract  boolean isStartElement() throws XMLStreamException;
 
-  public abstract void next() throws XMLStreamException;
+  public abstract int next() throws XMLStreamException;
 
   public abstract boolean isEndElement() throws XMLStreamException;
 

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-lib/odata-core/src/main/java/org/apache/olingo/odata2/core/xml/JavaxStaxReaderWrapper.java
----------------------------------------------------------------------
diff --git a/odata2-lib/odata-core/src/main/java/org/apache/olingo/odata2/core/xml/JavaxStaxReaderWrapper.java b/odata2-lib/odata-core/src/main/java/org/apache/olingo/odata2/core/xml/JavaxStaxReaderWrapper.java
index 186ba71..98cadef 100644
--- a/odata2-lib/odata-core/src/main/java/org/apache/olingo/odata2/core/xml/JavaxStaxReaderWrapper.java
+++ b/odata2-lib/odata-core/src/main/java/org/apache/olingo/odata2/core/xml/JavaxStaxReaderWrapper.java
@@ -90,9 +90,9 @@ public class JavaxStaxReaderWrapper implements XMLStreamReader {
     return reader.isStartElement();
   }
 
-  public void next() throws XMLStreamException {
+  public int next() throws XMLStreamException {
     try {
-      reader.next();
+      return reader.next();
     } catch (javax.xml.stream.XMLStreamException e) {
       throw  new XMLStreamException(e);
     }

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxReaderWrapperTest.java
----------------------------------------------------------------------
diff --git a/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxReaderWrapperTest.java b/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxReaderWrapperTest.java
new file mode 100644
index 0000000..88d16ff
--- /dev/null
+++ b/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxReaderWrapperTest.java
@@ -0,0 +1,164 @@
+/*******************************************************************************
+ * 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.odata2.core.xml;
+
+import org.apache.olingo.odata2.api.edm.Edm;
+import org.apache.olingo.odata2.api.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.ep.EntityProvider;
+import org.apache.olingo.odata2.api.ep.EntityProviderReadProperties;
+import org.apache.olingo.odata2.api.ep.entry.ODataEntry;
+import org.apache.olingo.odata2.api.xml.XMLStreamConstants;
+import org.apache.olingo.odata2.api.xml.XMLStreamReader;
+import org.apache.olingo.odata2.core.ep.AbstractProviderTest;
+import org.apache.olingo.odata2.testutil.helper.StringHelper;
+import org.apache.olingo.odata2.testutil.mock.MockFacade;
+import org.custommonkey.xmlunit.SimpleNamespaceContext;
+import org.custommonkey.xmlunit.XMLUnit;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.Map;
+
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertTrue;
+import static org.apache.olingo.odata2.api.xml.XMLStreamReaderFactory.XML_STREAM_READER_FACTORY_CLASS;
+
+/**
+ */
+public class JavaxStaxReaderWrapperTest extends AbstractProviderTest {
+
+  private static final String BASIC_RESULT =
+          "<?xml version='1.0' ?>" +
+          "<n0:test xmlns:n0=\"http://defaultNamespace\">" +
+          "<n1:second n1:attName=\"attValue\" xmlns:n1=\"namespace\">TEST</n1:second>" +
+          "</n0:test>";
+
+  private static final String EMPLOYEE = "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n" +
+          "<entry xml:base=\"http://root\" xmlns=\"http://www.w3.org/2005/Atom\" " +
+          "xmlns:d=\"http://schemas.microsoft.com/ado/2007/08/dataservices\" " +
+          "xmlns:m=\"http://schemas.microsoft.com/ado/2007/08/dataservices/metadata\">\n" +
+          "\t<id>http://rootEmployees('1')</id>\n" +
+          "\t<title type=\"text\">Walter Winter</title>\n" +
+          "\t<updated>1999-01-01T00:00:00Z</updated>\n" +
+          "\t<category scheme=\"http://schemas.microsoft.com/ado/2007/08/dataservices/scheme\" term=\"RefScenario" +
+          ".Employee\"/>\n" +
+          "\t<link href=\"Employees('1')\" rel=\"edit\" title=\"Employee\"/>\n" +
+          "\t<link href=\"Employees('1')/$value\" rel=\"edit-media\" type=\"application/octet-stream\"/>\n" +
+          "\t<link href=\"Employees('1')/ne_Manager\" rel=\"http://schemas.microsoft" +
+          ".com/ado/2007/08/dataservices/related/ne_Manager\" title=\"ne_Manager\" type=\"application/atom+xml;" +
+          "type=entry\"/>\n" +
+          "\t<link href=\"Employees('1')/ne_Team\" rel=\"http://schemas.microsoft" +
+          ".com/ado/2007/08/dataservices/related/ne_Team\" title=\"ne_Team\" type=\"application/atom+xml;" +
+          "type=entry\"/>\n" +
+          "\t<link href=\"Employees('1')/ne_Room\" rel=\"http://schemas.microsoft" +
+          ".com/ado/2007/08/dataservices/related/ne_Room\" title=\"ne_Room\" type=\"application/atom+xml;" +
+          "type=entry\"/>\n" +
+          "\t<content src=\"Employees('1')/$value\" type=\"application/octet-stream\"/>\n" +
+          "\t<m:properties>\n" +
+          "\t\t<d:EmployeeId>1</d:EmployeeId>\n" +
+          "\t\t<d:EmployeeName>Walter Winter</d:EmployeeName>\n" +
+          "\t\t<d:ManagerId>1</d:ManagerId>\n" +
+          "\t\t<d:RoomId>1</d:RoomId>\n" +
+          "\t\t<d:TeamId>42</d:TeamId>\n" +
+          "\t\t<d:Location m:type=\"RefScenario.c_Location\">\n" +
+          "\t\t\t<d:City m:type=\"RefScenario.c_City\">\n" +
+          "\t\t\t\t<d:PostalCode>33470</d:PostalCode>\n" +
+          "\t\t\t\t<d:CityName>Duckburg</d:CityName>\n" +
+          "\t\t\t</d:City>\n" +
+          "\t\t\t<d:Country>Calisota</d:Country>\n" +
+          "\t\t</d:Location>\n" +
+          "\t\t<d:Age>52</d:Age>\n" +
+          "\t\t<d:EntryDate>1999-01-01T00:00:00</d:EntryDate>\n" +
+          "\t\t<d:ImageUrl m:null=\"true\"/>\n" +
+          "\t</m:properties>\n" +
+          "</entry>";
+
+  public JavaxStaxReaderWrapperTest(StreamWriterImplType type) {
+    super(type);
+  }
+
+  // CHECKSTYLE:OFF
+  @Before
+  public void init() {
+    //
+    System.setProperty(XML_STREAM_READER_FACTORY_CLASS, JavaxStaxStreamFactory.class.getName()); // NOSONAR
+    //
+    Map<String, String> prefixMap = new HashMap<String, String>();
+    prefixMap.put("", Edm.NAMESPACE_ATOM_2005);
+    prefixMap.put("d", Edm.NAMESPACE_D_2007_08);
+    prefixMap.put("m", Edm.NAMESPACE_M_2007_08);
+    prefixMap.put("xml", Edm.NAMESPACE_XML_1998);
+    XMLUnit.setXpathNamespaceContext(new SimpleNamespaceContext(prefixMap));
+  }
+  // CHECKSTYLE:ON
+
+  @Test
+  public void basic() throws Exception {
+    StringHelper.Stream stream = StringHelper.toStream(BASIC_RESULT);
+    JavaxStaxStreamFactory javaxStaxStreamFactory = new JavaxStaxStreamFactory();
+    XMLStreamReader xmlReader = javaxStaxStreamFactory.createXMLStreamReader(stream.asStream());
+
+    final int[] expected = new int[]{
+            XMLStreamConstants.START_ELEMENT,
+            XMLStreamConstants.START_ELEMENT,
+            XMLStreamConstants.CHARACTERS,
+            XMLStreamConstants.END_ELEMENT,
+            XMLStreamConstants.END_ELEMENT,
+            XMLStreamConstants.END_DOCUMENT};
+    int pos = 0;
+    while(xmlReader.hasNext()) {
+      int elementId = xmlReader.next();
+      assertEquals("Unexpected type at position: " + pos,
+              expected[pos++], elementId);
+    }
+  }
+
+  @Test
+  public void entityProvider() throws Exception {
+    Edm edmMock = MockFacade.getMockEdm();
+
+    String contentType = "application/xml";
+    EdmEntitySet entitySet = edmMock.getDefaultEntityContainer().getEntitySet("Employees");
+    EntityProviderReadProperties properties =
+            EntityProviderReadProperties.init().build();
+
+    StringHelper.Stream content = StringHelper.toStream(EMPLOYEE);
+
+    ODataEntry entry = EntityProvider.readEntry(contentType, entitySet, content.asStream(), properties);
+    Map<String, Object> employeeData = entry.getProperties();
+
+    // validate
+    assertEquals(9, employeeData.size());
+    //
+    assertEquals("1", employeeData.get("EmployeeId"));
+    assertEquals("Walter Winter", employeeData.get("EmployeeName"));
+    assertEquals("1", employeeData.get("ManagerId"));
+    assertEquals("1", employeeData.get("RoomId"));
+    assertEquals("42", employeeData.get("TeamId"));
+    assertEquals(Integer.valueOf(52), employeeData.get("Age"));
+    assertEquals(915148800000l, ((Calendar)employeeData.get("EntryDate")).getTimeInMillis());
+    Map<String, Object> location = (Map<String, Object>) employeeData.get("Location");
+    assertEquals("Calisota", location.get("Country"));
+    Map<String, Object> city = (Map<String, Object>) location.get("City");
+    assertEquals("33470", city.get("PostalCode"));
+    assertEquals("Duckburg", city.get("CityName"));
+  }
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxStreamFactoryTest.java
----------------------------------------------------------------------
diff --git a/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxStreamFactoryTest.java b/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxStreamFactoryTest.java
new file mode 100644
index 0000000..ba93731
--- /dev/null
+++ b/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxStreamFactoryTest.java
@@ -0,0 +1,131 @@
+/*******************************************************************************
+ * 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.odata2.core.xml;
+
+import junit.framework.Assert;
+import org.apache.olingo.odata2.api.edm.Edm;
+import org.apache.olingo.odata2.api.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.ep.EntityProvider;
+import org.apache.olingo.odata2.api.ep.EntityProviderException;
+import org.apache.olingo.odata2.api.ep.EntityProviderReadProperties;
+import org.apache.olingo.odata2.api.ep.entry.ODataEntry;
+import org.apache.olingo.odata2.api.xml.XMLStreamConstants;
+import org.apache.olingo.odata2.api.xml.XMLStreamException;
+import org.apache.olingo.odata2.api.xml.XMLStreamReader;
+import org.apache.olingo.odata2.api.xml.XMLStreamWriter;
+import org.apache.olingo.odata2.core.ep.AbstractXmlProducerTestHelper;
+import org.apache.olingo.odata2.testutil.helper.StringHelper;
+import org.apache.olingo.odata2.testutil.mock.MockFacade;
+import org.custommonkey.xmlunit.SimpleNamespaceContext;
+import org.custommonkey.xmlunit.XMLUnit;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.*;
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.Map;
+
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertNotNull;
+import static org.apache.olingo.odata2.api.xml.XMLStreamReaderFactory.XML_STREAM_READER_FACTORY_CLASS;
+import static org.apache.olingo.odata2.api.xml.XMLStreamWriterFactory.XML_STREAM_WRITER_FACTORY_CLASS;
+import static org.custommonkey.xmlunit.XMLAssert.assertXpathExists;
+
+/**
+ */
+public class JavaxStaxStreamFactoryTest extends AbstractXmlProducerTestHelper {
+
+  private JavaxStaxStreamFactory javaxStaxStreamFactory;
+
+  public static final String BASIC_CONTENT = "<?xml version='1.0' encoding='UTF-8'?><start/>";
+
+  public JavaxStaxStreamFactoryTest(StreamWriterImplType type) {
+    super(type);
+  }
+
+  // CHECKSTYLE:OFF
+  @Before
+  public void init() {
+    //
+    System.setProperty(XML_STREAM_READER_FACTORY_CLASS, JavaxStaxStreamFactory.class.getName()); // NOSONAR
+    System.setProperty(XML_STREAM_WRITER_FACTORY_CLASS, JavaxStaxStreamFactory.class.getName()); // NOSONAR
+    //
+    Map<String, String> prefixMap = new HashMap<String, String>();
+    prefixMap.put("", Edm.NAMESPACE_ATOM_2005);
+    prefixMap.put("d", Edm.NAMESPACE_D_2007_08);
+    prefixMap.put("m", Edm.NAMESPACE_M_2007_08);
+    prefixMap.put("xml", Edm.NAMESPACE_XML_1998);
+    XMLUnit.setXpathNamespaceContext(new SimpleNamespaceContext(prefixMap));
+    javaxStaxStreamFactory = new JavaxStaxStreamFactory();
+  }
+  // CHECKSTYLE:ON
+
+
+  @Test
+  public void createReader() throws Exception {
+    InputStream stream = StringHelper.encapsulate(BASIC_CONTENT);
+    XMLStreamReader xmlReader = javaxStaxStreamFactory.createXMLStreamReader(stream);
+    assertNotNull(xmlReader);
+    Assert.assertTrue(xmlReader.hasNext());
+  }
+
+  @Test(expected = EntityProviderException.class)
+  public void createReaderWrongContent() throws Exception {
+    XMLStreamReader xmlReader = javaxStaxStreamFactory.createXMLStreamReader("content");
+    assertNotNull(xmlReader);
+    Assert.assertTrue(xmlReader.hasNext());
+  }
+
+  @Test
+  public void createWriterStream() throws Exception {
+    ByteArrayOutputStream stream = new ByteArrayOutputStream();
+    XMLStreamWriter xmlReader = javaxStaxStreamFactory.createXMLStreamWriter(stream);
+    xmlReader.writeStartDocument();
+    xmlReader.writeStartElement("start");
+    xmlReader.writeEndElement();
+    xmlReader.writeEndDocument();
+    xmlReader.flush();
+
+    assertNotNull(xmlReader);
+    String content = new String(stream.toByteArray());
+    assertXpathExists("/start", content);
+  }
+
+  @Test
+  public void createWriterPrintWriter() throws Exception {
+
+    StringWriter writer = new StringWriter();
+    XMLStreamWriter xmlReader = javaxStaxStreamFactory.createXMLStreamWriter(writer);
+    xmlReader.writeStartDocument();
+    xmlReader.writeStartElement("start");
+    xmlReader.writeEndElement();
+    xmlReader.writeEndDocument();
+    xmlReader.flush();
+
+    assertNotNull(xmlReader);
+    assertXpathExists("/start", writer.toString());
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void createWriterWrongContent() throws Exception {
+    XMLStreamWriter xmlReader = javaxStaxStreamFactory.createXMLStreamWriter("fail");
+    assertNotNull(xmlReader);
+  }
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxWriterWrapperTest.java
----------------------------------------------------------------------
diff --git a/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxWriterWrapperTest.java b/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxWriterWrapperTest.java
new file mode 100644
index 0000000..3920b1b
--- /dev/null
+++ b/odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/xml/JavaxStaxWriterWrapperTest.java
@@ -0,0 +1,194 @@
+/*******************************************************************************
+ * 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.odata2.core.xml;
+
+import org.apache.olingo.odata2.api.edm.Edm;
+import org.apache.olingo.odata2.api.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.ep.EntityProvider;
+import org.apache.olingo.odata2.api.ep.EntityProviderWriteProperties;
+import org.apache.olingo.odata2.api.processor.ODataResponse;
+import org.apache.olingo.odata2.core.ep.AbstractXmlProducerTestHelper;
+import org.apache.olingo.odata2.testutil.helper.StringHelper;
+import org.apache.olingo.odata2.testutil.mock.MockFacade;
+import org.custommonkey.xmlunit.SimpleNamespaceContext;
+import org.custommonkey.xmlunit.XMLUnit;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.InputStream;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.net.URI;
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TimeZone;
+
+import static org.apache.olingo.odata2.api.xml.XMLStreamWriterFactory.XML_STREAM_WRITER_FACTORY_CLASS;
+import static org.custommonkey.xmlunit.XMLAssert.assertXpathEvaluatesTo;
+import static org.custommonkey.xmlunit.XMLAssert.assertXpathExists;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+/**
+ */
+public class JavaxStaxWriterWrapperTest extends AbstractXmlProducerTestHelper {
+
+  private static final String BASIC_RESULT =
+          "<?xml version='1.0' encoding='UTF-8'?>" +
+          "<test><ns1:second attName=\"attValue\"/></test>";
+
+  public JavaxStaxWriterWrapperTest(StreamWriterImplType type) {
+    super(type);
+  }
+
+  // CHECKSTYLE:OFF
+  @Before
+  public void init() {
+    //
+    System.setProperty(XML_STREAM_WRITER_FACTORY_CLASS, JavaxStaxStreamFactory.class.getName()); // NOSONAR
+    //
+    Map<String, String> prefixMap = new HashMap<String, String>();
+    prefixMap.put("", Edm.NAMESPACE_ATOM_2005);
+    prefixMap.put("d", Edm.NAMESPACE_D_2007_08);
+    prefixMap.put("m", Edm.NAMESPACE_M_2007_08);
+    prefixMap.put("xml", Edm.NAMESPACE_XML_1998);
+    XMLUnit.setXpathNamespaceContext(new SimpleNamespaceContext(prefixMap));
+  }
+  // CHECKSTYLE:ON
+
+  @Test
+  public void basic() throws Exception {
+    final String defaultNamespace = "http://defaultNamespace";
+    final String namespaceNs1 = "namespace";
+
+    Map<String, String> prefixMap = new HashMap<String, String>();
+    prefixMap.put("", defaultNamespace);
+    prefixMap.put("ns1", namespaceNs1);
+    XMLUnit.setXpathNamespaceContext(new SimpleNamespaceContext(prefixMap));
+
+    Writer content = new StringWriter();
+    JavaxStaxStreamFactory javaxStaxStreamFactory = new JavaxStaxStreamFactory();
+    JavaxStaxWriterWrapper xmlWriter = (JavaxStaxWriterWrapper) javaxStaxStreamFactory.createXMLStreamWriter(content);
+
+    String encoding = "UTF-8";
+    String version = "1.0";
+
+    xmlWriter.writeStartDocument(encoding, version);
+    xmlWriter.setDefaultNamespace(defaultNamespace);
+    xmlWriter.setPrefix("ns1", namespaceNs1);
+    xmlWriter.writeStartElement("test");
+    xmlWriter.writeDefaultNamespace(defaultNamespace);
+    xmlWriter.writeNamespace("ns1", namespaceNs1);
+    xmlWriter.writeStartElement(namespaceNs1, "second");
+    xmlWriter.writeAttribute("attName", "attValue");
+    xmlWriter.writeEndElement();
+    xmlWriter.writeEndElement();
+    xmlWriter.writeEndDocument();
+
+    xmlWriter.flush();
+
+    //
+    String xmlString = content.toString();
+    assertXpathExists("/:test", xmlString);
+    assertXpathExists("/:test/ns1:second", xmlString);
+    assertXpathExists("/:test/ns1:second[@attName=\"attValue\"]", xmlString);
+  }
+
+  @Test
+  public void entityProvider() throws Exception {
+    Edm edmMock = MockFacade.getMockEdm();
+
+    String contentType = "application/xml";
+    EdmEntitySet entitySet = edmMock.getDefaultEntityContainer().getEntitySet("Employees");
+    Map<String, Object> data = createEmployeeData();
+    EntityProviderWriteProperties properties =
+            EntityProviderWriteProperties.serviceRoot(URI.create("http://root")).build();
+
+    ODataResponse entry = EntityProvider.writeEntry(contentType, entitySet, data, properties);
+    StringHelper.Stream content = StringHelper.toStream(entry.getEntity());
+
+    String xmlString = content.asString();
+
+    assertXpathEvaluatesTo(Edm.NAMESPACE_ATOM_2005, "/*/namespace::*[name()='']", xmlString);
+
+    assertXpathExists("/:entry", xmlString);
+    assertXpathExists("/:entry/:content", xmlString);
+    // verify self link
+    assertXpathExists("/:entry/:link[@href=\"Employees('1')\"]", xmlString);
+    // verify content media link
+    assertXpathExists("/:entry/:link[@href=\"Employees('1')/$value\"]", xmlString);
+    // verify one navigation link
+    assertXpathExists("/:entry/:link[@title='ne_Manager']", xmlString);
+
+    // verify content
+    assertXpathExists("/:entry/:content[@type='application/octet-stream']", xmlString);
+    // verify properties
+    assertXpathExists("/:entry/m:properties", xmlString);
+    assertXpathEvaluatesTo("9", "count(/:entry/m:properties/*)", xmlString);
+  }
+
+
+  @Test
+  public void writeMetadata() throws Exception {
+    Map<String, String> predefinedNamespaces = new HashMap<String, String>();
+    predefinedNamespaces.put("annoPrefix", "http://annoNamespace");
+    predefinedNamespaces.put("foo", "http://foo");
+    predefinedNamespaces.put("annoPrefix2", "http://annoNamespace");
+    predefinedNamespaces.put("annoPrefix", "http://annoNamespace");
+
+    ODataResponse response = EntityProvider.writeMetadata(null, predefinedNamespaces);
+    assertNotNull(response);
+    assertNotNull(response.getEntity());
+    assertNull("BasicProvider should not set content header", response.getContentHeader());
+    String metadata = StringHelper.inputStreamToString((InputStream) response.getEntity());
+    assertTrue(metadata.contains("xmlns:foo=\"http://foo\""));
+    assertTrue(metadata.contains("xmlns:annoPrefix=\"http://annoNamespace\""));
+    assertTrue(metadata.contains("xmlns:annoPrefix2=\"http://annoNamespace\""));
+  }
+
+  private Map<String, Object> createEmployeeData() {
+    Map<String, Object> employeeData = new HashMap<String, Object>();
+
+    Calendar date = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
+    date.clear();
+    date.set(1999, 0, 1);
+
+    employeeData.put("EmployeeId", "1");
+    employeeData.put("ImmageUrl", null);
+    employeeData.put("ManagerId", "1");
+    employeeData.put("Age", new Integer(52));
+    employeeData.put("RoomId", "1");
+    employeeData.put("EntryDate", date);
+    employeeData.put("TeamId", "42");
+    employeeData.put("EmployeeName", "Walter Winter");
+
+    Map<String, Object> locationData = new HashMap<String, Object>();
+    Map<String, Object> cityData = new HashMap<String, Object>();
+    cityData.put("PostalCode", "33470");
+    cityData.put("CityName", "Duckburg");
+    locationData.put("City", cityData);
+    locationData.put("Country", "Calisota");
+
+    employeeData.put("Location", locationData);
+
+    return employeeData;
+  }
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata2/blob/c321fb74/odata2-lib/odata-testutil/src/main/java/org/apache/olingo/odata2/testutil/helper/StringHelper.java
----------------------------------------------------------------------
diff --git a/odata2-lib/odata-testutil/src/main/java/org/apache/olingo/odata2/testutil/helper/StringHelper.java b/odata2-lib/odata-testutil/src/main/java/org/apache/olingo/odata2/testutil/helper/StringHelper.java
index feb4ddd..ec8a22f 100644
--- a/odata2-lib/odata-testutil/src/main/java/org/apache/olingo/odata2/testutil/helper/StringHelper.java
+++ b/odata2-lib/odata-testutil/src/main/java/org/apache/olingo/odata2/testutil/helper/StringHelper.java
@@ -79,6 +79,16 @@ public class StringHelper {
     }
   }
 
+  public static Stream toStream(Object content) throws IOException {
+    if(content instanceof InputStream) {
+      return toStream((InputStream) content);
+    } else if(content instanceof String) {
+      return toStream((String) content);
+    } else {
+      throw new IllegalArgumentException("Given object type is not supported.");
+    }
+  }
+
   public static Stream toStream(InputStream stream) throws IOException {
     byte[] result = new byte[0];
     byte[] tmp = new byte[8192];


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