1 files changed, 100 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/WrappingXMLStreamReader.java b/sca-java-2.x/tags/2.0.1-RC1/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/WrappingXMLStreamReader.java
new file mode 100644
index 0000000000..896f4b5b71
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/WrappingXMLStreamReader.java
@@ -0,0 +1,100 @@
+/*
+ * 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.common.xml.stax.reader;
+
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.util.StreamReaderDelegate;
+
+public class WrappingXMLStreamReader extends StreamReaderDelegate implements XMLFragmentStreamReader {
+
+    private boolean done;
+    private int level;
+
+    public WrappingXMLStreamReader(XMLStreamReader realReader) throws XMLStreamException {
+        super(realReader);
+        if (realReader == null) {
+            throw new UnsupportedOperationException("Reader cannot be null");
+        }
+
+        if (realReader instanceof XMLFragmentStreamReader) {
+            ((XMLFragmentStreamReader)realReader).init();
+        }
+
+        if (realReader.getEventType() == START_DOCUMENT) {
+            // Position to the 1st element
+            realReader.nextTag();
+        }
+        if (realReader.getEventType() != START_ELEMENT) {
+            throw new IllegalStateException("The reader is not positioned at START_DOCUMENT or START_ELEMENT");
+        }
+        this.done = false;
+        this.level = 1;
+    }
+
+    @Override
+    public boolean hasNext() throws XMLStreamException {
+        return !done && super.hasNext();
+    }
+
+    @Override
+    public int next() throws XMLStreamException {
+        if (!hasNext()) {
+            throw new IllegalStateException("No more events");
+        }
+        int event = super.next();
+        if (!super.hasNext()) {
+            done = true;
+        }
+        if (event == START_ELEMENT) {
+            level++;
+        } else if (event == END_ELEMENT) {
+            level--;
+            if (level == 0) {
+                done = true;
+            }
+        }
+        return event;
+    }
+
+    @Override
+    public int nextTag() throws XMLStreamException {
+        int event = 0;
+        while (true) {
+            event = next();
+            if (event == START_ELEMENT || event == END_ELEMENT) {
+                return event;
+            }
+        }
+    }
+    
+    public void setParentNamespaceContext(NamespaceContext nsContext) {
+        // nothing to do here
+    }
+
+    public void init() {
+        // Nothing to do here
+    }
+    
+    public boolean isDone() {
+        return done;
+    }
+
+}