1 files changed, 123 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/ext/SourceDataSource.java b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/ext/SourceDataSource.java
new file mode 100644
index 0000000000..0a12654524
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/ext/SourceDataSource.java
@@ -0,0 +1,123 @@
+/*
+ * 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.databinding.jaxb.axiom.ext;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.transform.Result;
+import javax.xml.transform.Source;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+
+import org.apache.axiom.om.OMDataSourceExt;
+import org.apache.axiom.om.OMException;
+import org.apache.axiom.om.ds.OMDataSourceExtBase;
+import org.apache.axiom.om.util.StAXUtils;
+
+/**
+ * OMDataSource backed by a source
+ */
+public class SourceDataSource extends OMDataSourceExtBase {
+    private Source data;
+
+    public SourceDataSource(Source data) {
+        super();
+        this.data = data;
+    }
+
+    public void close() {
+    }
+
+    public OMDataSourceExt copy() {
+        return new SourceDataSource(data);
+    }
+
+    public Object getObject() {
+        return data;
+    }
+
+    public XMLStreamReader getReader() throws XMLStreamException {
+
+        try {
+            String encoding = "UTF-8";
+            InputStream is = new ByteArrayInputStream(getXMLBytes(encoding));
+            return StAXUtils.createXMLStreamReader(is, encoding);
+        } catch (UnsupportedEncodingException e) {
+            throw new XMLStreamException(e);
+        }
+    }
+
+    public byte[] getXMLBytes(String encoding) throws UnsupportedEncodingException {
+        byte[] bytes = null;
+        try {
+            bytes = (byte[])null;
+
+            if (data instanceof StreamSource) {
+                InputStream is = ((StreamSource)data).getInputStream();
+                if (is != null) {
+                    bytes = getBytesFromStream(is);
+                }
+            } else {
+                ByteArrayOutputStream out = new ByteArrayOutputStream();
+                Result result = new StreamResult(out);
+                Transformer transformer = TransformerFactory.newInstance().newTransformer();
+                transformer.transform(data, result);
+                bytes = out.toByteArray();
+            }
+        } catch (OMException e) {
+            throw e;
+        } catch (UnsupportedEncodingException e) {
+            throw e;
+        } catch (Throwable e) {
+            throw new OMException(e);
+        }
+
+        return bytes;
+    }
+
+    public boolean isDestructiveRead() {
+        return false;
+    }
+
+    public boolean isDestructiveWrite() {
+        return false;
+    }
+
+    private static byte[] getBytesFromStream(InputStream is) throws IOException {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        byte[] buf = new byte[4096];
+        while (true) {
+            int size = is.read(buf);
+            if (size < 0) {
+                break;
+            }
+            bos.write(buf, 0, size);
+        }
+        return bos.toByteArray();
+    }
+}