1 files changed, 119 insertions, 0 deletions
diff --git a/sdo-java/branches/sdo-java-M2/sdo/impl/src/main/java/org/apache/tuscany/sdo/helper/XMLHelperImpl.java b/sdo-java/branches/sdo-java-M2/sdo/impl/src/main/java/org/apache/tuscany/sdo/helper/XMLHelperImpl.java
new file mode 100644
index 0000000000..8a94167108
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+++ b/sdo-java/branches/sdo-java-M2/sdo/impl/src/main/java/org/apache/tuscany/sdo/helper/XMLHelperImpl.java
@@ -0,0 +1,119 @@
+/**
+ *
+ *  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.sdo.helper;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.io.Writer;
+
+import org.eclipse.emf.ecore.util.ExtendedMetaData;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.TypeHelper;
+import commonj.sdo.helper.XMLDocument;
+import commonj.sdo.helper.XMLHelper;
+
+/**
+ * A helper to convert XML documents into DataObects and 
+ * DataObjects into XML documnets.
+ */
+public class XMLHelperImpl implements XMLHelper
+{
+  ExtendedMetaData extendedMetaData;
+  
+  public XMLHelperImpl(ExtendedMetaData extendedMetaData)
+  {
+    this.extendedMetaData = extendedMetaData;
+  }
+  
+  public XMLHelperImpl(TypeHelper typeHelper)
+  {
+    this.extendedMetaData = ((TypeHelperImpl)typeHelper).extendedMetaData;
+  }
+  
+  public XMLDocument load(String inputString)
+  {
+    try
+    {
+      return load(new StringReader(inputString), null, null);
+    }
+    catch (IOException e)
+    {
+      throw new RuntimeException(e); // should never happen
+    }
+  }
+
+  public XMLDocument load(InputStream inputStream) throws IOException
+  {
+    return load(inputStream, null, null);
+  }
+  
+  public XMLDocument load(InputStream inputStream, String locationURI, Object options) throws IOException
+  {
+    XMLDocumentImpl document = new XMLDocumentImpl(extendedMetaData, options);
+    document.load(inputStream, locationURI, options);
+    return document;
+  }
+
+  public XMLDocument load(Reader inputReader, String locationURI, Object options) throws IOException
+  {
+    XMLDocumentImpl document = new XMLDocumentImpl(extendedMetaData, options);
+    document.load(inputReader, locationURI, options);
+    return document;
+  }
+  
+  public String save(DataObject dataObject, String rootElementURI, String rootElementName)
+  {
+    StringWriter stringWriter = new StringWriter();
+    try
+    {
+      save(createDocument(dataObject, rootElementURI, rootElementName), stringWriter, null);
+      return stringWriter.toString();
+    }
+    catch (IOException e)
+    {
+      throw new RuntimeException(e); // should never happen
+    }
+  }
+
+  public void save(DataObject dataObject, String rootElementURI, String rootElementName, OutputStream outputStream) throws IOException
+  {
+    save(createDocument(dataObject, rootElementURI, rootElementName), outputStream, null);
+  }
+  
+  public void save(XMLDocument xmlDocument, OutputStream outputStream, Object options) throws IOException
+  {
+    ((XMLDocumentImpl)xmlDocument).save(outputStream, options);
+  }
+
+  public void save(XMLDocument xmlDocument, Writer outputWriter, Object options) throws IOException
+  {
+    ((XMLDocumentImpl)xmlDocument).save(outputWriter, options);
+   }
+
+  public XMLDocument createDocument(DataObject dataObject, String rootElementURI, String rootElementName)
+  {
+    return new XMLDocumentImpl(extendedMetaData, dataObject, rootElementURI, rootElementName);
+  }
+}