Create branch for next release

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1027394 13f79535-47bb-0310-9956-ffa450edef68

4 files changed, 547 insertions, 0 deletions

diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/dom/DOMHelperTestCase.java b/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/dom/DOMHelperTestCase.java
new file mode 100644
index 0000000000..176ea35c1c
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/dom/DOMHelperTestCase.java
@@ -0,0 +1,81 @@
+/*
+ * 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.dom;
+
+import static org.junit.Assert.assertNotNull;
+import junit.framework.Assert;
+
+import org.apache.tuscany.sca.common.xml.sax.SAXHelper;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.custommonkey.xmlunit.XMLAssert;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.w3c.dom.Document;
+import org.xml.sax.ContentHandler;
+
+/**
+ * Test Case for StAXHelper
+ *
+ * @version $Rev$ $Date$
+ */
+public class DOMHelperTestCase {
+    private static final String XML =
+        "<a:foo xmlns:a='http://a' name='foo'><bar name='bar'>" + "<doo a:name='doo' xmlns:a='http://doo'/>"
+            + "</bar></a:foo>";
+
+    private static ExtensionPointRegistry registry;
+
+    @BeforeClass
+    public static void init() {
+        registry = new DefaultExtensionPointRegistry();
+        registry.start();
+    }
+
+    @AfterClass
+    public static void destroy() {
+        if (registry != null) {
+            registry.stop();
+        }
+    }
+
+    @Test
+    public void testHelper() throws Exception {
+        DOMHelper helper = DOMHelper.getInstance(registry);
+        Document document = helper.load(XML);
+        String xml = helper.saveAsString(document);
+        XMLAssert.assertXMLEqual(XML, xml);
+
+        Document root = helper.newDocument();
+        ContentHandler handler = helper.createContentHandler(root);
+
+        DOMHelper helper2 = DOMHelper.getInstance(registry);
+        Assert.assertSame(helper, helper2);
+
+        SAXHelper saxHelper = new SAXHelper(registry);
+        saxHelper.parse(XML, handler);
+
+        assertNotNull(root.getFirstChild());
+        xml = helper.saveAsString(root);
+        XMLAssert.assertXMLEqual(XML, xml);
+    }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/StAXHelperTestCase.java b/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/StAXHelperTestCase.java
new file mode 100644
index 0000000000..77f060b081
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/StAXHelperTestCase.java
@@ -0,0 +1,112 @@
+/*
+ * 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;
+
+import static org.junit.Assert.assertNotNull;
+
+import java.net.URL;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.common.xml.stax.StAXHelper.Attribute;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.custommonkey.xmlunit.XMLAssert;
+import org.junit.Assert;
+import org.junit.Test;
+import org.w3c.dom.Node;
+
+/**
+ * Test Case for StAXHelper
+ *
+ * @version $Rev$ $Date$
+ */
+public class StAXHelperTestCase {
+    private static final String XML =
+        "<a:foo xmlns:a='http://foo' name='foo' xmlns='http://foo1'><bar name='bar'>" + "<doo a:name='doo' xmlns:a='http://doo'/>"
+            + "</bar><bar1 xmlns='http://bar1' name='bar1'/><bar2 xmlns='' name='bar2'/></a:foo>";
+    public static final QName WSDL11 = new QName("http://schemas.xmlsoap.org/wsdl/", "definitions");
+    public static final QName WSDL20 = new QName("http://www.w3.org/ns/wsdl", "description");
+    public static final QName XSD = new QName("http://www.w3.org/2001/XMLSchema", "schema");
+
+    @Test
+    public void testHelper() throws Exception {
+        StAXHelper helper = new StAXHelper(new DefaultExtensionPointRegistry());
+        XMLStreamReader reader = helper.createXMLStreamReader(XML);
+        String xml = helper.saveAsString(reader);
+        XMLAssert.assertXMLEqual(XML, xml);
+        reader = helper.createXMLStreamReader(xml);
+        assertNotNull(reader);
+
+        Node node = helper.saveAsNode(reader);
+        assertNotNull(node.getFirstChild());
+        reader = helper.createXMLStreamReader(node);
+        xml = helper.saveAsString(reader);
+        XMLAssert.assertXMLEqual(XML, xml);
+    }
+    
+    @Test
+    public void testNoRepairingNamespaces() throws Exception {
+        StAXHelper helper = new StAXHelper(new DefaultExtensionPointRegistry());
+        helper.getOutputFactory().setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.FALSE);
+        XMLStreamReader reader = helper.createXMLStreamReader(XML);
+        String xml = helper.saveAsString(reader);
+        XMLAssert.assertXMLEqual(XML, xml);
+        reader = helper.createXMLStreamReader(xml);
+        assertNotNull(reader);
+    }
+    
+    @Test
+    public void testIndex() throws Exception {
+        StAXHelper helper = new StAXHelper(new DefaultExtensionPointRegistry());
+        URL xsd = getClass().getResource("test.xsd");
+        String tns = helper.readAttribute(xsd, XSD, "targetNamespace");
+        Assert.assertEquals("http://www.example.org/test/", tns);
+
+        List<String> tnsList = helper.readAttributes(xsd, XSD, "targetNamespace");
+        Assert.assertEquals(1, tnsList.size());
+        Assert.assertEquals("http://www.example.org/test/", tnsList.get(0));
+
+        URL wsdl = getClass().getResource("test.wsdl");
+        tns = helper.readAttribute(wsdl, WSDL11, "targetNamespace");
+        Assert.assertEquals("http://www.example.org/test/wsdl", tns);
+
+        tns = helper.readAttribute(wsdl, XSD, "targetNamespace");
+        Assert.assertNull(tns);
+
+        tnsList = helper.readAttributes(wsdl, XSD, "targetNamespace");
+        Assert.assertEquals(2, tnsList.size());
+        Assert.assertEquals("http://www.example.org/test/xsd1", tnsList.get(0));
+        Assert.assertEquals("http://www.example.org/test/xsd2", tnsList.get(1));
+
+        Attribute attr1 = new Attribute(WSDL11, "targetNamespace");
+        Attribute attr2 = new Attribute(XSD, "targetNamespace");
+        Attribute[] attrs = helper.readAttributes(wsdl, attr1, attr2);
+
+        Assert.assertEquals(2, attrs.length);
+        Assert.assertEquals("http://www.example.org/test/wsdl", attrs[0].getValues().get(0));
+        Assert.assertEquals("http://www.example.org/test/xsd1", attrs[1].getValues().get(0));
+        Assert.assertEquals("http://www.example.org/test/xsd2", attrs[1].getValues().get(1));
+
+    }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlTreeStreamReaderTestCase.java b/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlTreeStreamReaderTestCase.java
new file mode 100644
index 0000000000..264c1a0d61
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlTreeStreamReaderTestCase.java
@@ -0,0 +1,207 @@
+/*
+ * 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 java.io.StringReader;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.common.xml.stax.impl.XMLStreamSerializer;
+import org.custommonkey.xmlunit.XMLAssert;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class XmlTreeStreamReaderTestCase {
+    private static final String IPO_XML =
+        "<?xml version=\"1.0\"?>" + "<ipo:purchaseOrder"
+            + "  xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
+            + "  xmlns:ipo=\"http://www.example.com/IPO\""
+            + "  xsi:schemaLocation=\"http://www.example.com/IPO ipo.xsd\""
+            + "  orderDate=\"1999-12-01\">"
+            + "  <shipTo exportCode=\"1\" xsi:type=\"ipo:UKAddress\">"
+            + "    <name>Helen Zoe</name>"
+            + "    <street>47 Eden Street</street>"
+            + "    <city>Cambridge</city>"
+            + "    <postcode>CB1 1JR</postcode>"
+            + "  </shipTo>"
+            + "  <billTo xsi:type=\"ipo:USAddress\">"
+            + "    <name>Robert Smith</name>"
+            + "    <street>8 Oak Avenue</street>"
+            + "    <city>Old Town</city>"
+            + "    <state>PA</state>"
+            + "    <zip>95819</zip>"
+            + "  </billTo>"
+            + "  <items>"
+            + "    <item partNum=\"833-AA\">"
+            + "      <productName>Lapis necklace</productName>"
+            + "      <quantity>1</quantity>"
+            + "      <USPrice>99.95</USPrice>"
+            + "      <ipo:comment>Want this for the holidays</ipo:comment>"
+            + "      <shipDate>1999-12-05</shipDate>"
+            + "    </item>"
+            + "  </items>"
+            + "</ipo:purchaseOrder>";
+
+    private static final String XML_RESULT =
+        "<?xml version='1.0' encoding='UTF-8'?>" + "<p1:e1 xmlns:p1=\"http://ns\">"
+            + "<p2:e11 xmlns:p2=\"http://ns1\">MyText</p2:e11>"
+            + "<p1:e12><p1:e121 /></p1:e12>"
+            + "<ipo:purchaseOrder xmlns:ipo=\"http://www.example.com/IPO\" "
+            + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
+            + "xsi:schemaLocation=\"http://www.example.com/IPO ipo.xsd\" orderDate=\"1999-12-01\">  "
+            + "<shipTo exportCode=\"1\" xsi:type=\"ipo:UKAddress\">    "
+            + "<name>Helen Zoe</name>    <street>47 Eden Street</street>    "
+            + "<city>Cambridge</city>    <postcode>CB1 1JR</postcode>  </shipTo>  "
+            + "<billTo xsi:type=\"ipo:USAddress\">    <name>Robert Smith</name>    "
+            + "<street>8 Oak Avenue</street>    <city>Old Town</city>    <state>PA</state>    "
+            + "<zip>95819</zip>  </billTo>  <items>    <item partNum=\"833-AA\">      "
+            + "<productName>Lapis necklace</productName>      <quantity>1</quantity>      "
+            + "<USPrice>99.95</USPrice>      <ipo:comment>Want this for the holidays</ipo:comment>      "
+            + "<shipDate>1999-12-05</shipDate>    </item>  </items></ipo:purchaseOrder></p1:e1>";
+    private XmlNodeImpl root;
+
+    @Before
+    public void setUp() throws Exception {
+        root = new XmlNodeImpl();
+        root.name = new QName("http://ns", "e1", "p1");
+
+        XmlNodeImpl e11 = new XmlNodeImpl();
+        e11.name = new QName("http://ns1", "e11", "p2");
+
+        XmlNodeImpl e12 = new XmlNodeImpl();
+        e12.name = new QName("http://ns", "e12");
+
+        root.children.add(e11);
+        root.children.add(e12);
+
+        XmlNodeImpl e121 = new XmlNodeImpl();
+        e121.name = new QName("http://ns", "e121");
+        e12.children.add(e121);
+
+        XmlNodeImpl e111 = new XmlNodeImpl();
+        e111.value = "MyText";
+        e11.children.add(e111);
+
+        XmlNodeImpl e13 = new XmlNodeImpl();
+        e13.value = XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(IPO_XML));
+        root.children.add(e13);
+
+    }
+
+    @Test
+    public void testIterator() {
+        List<QName> elements = new ArrayList<QName>();
+        XmlNodeIterator i = new XmlNodeIterator(root);
+        for (; i.hasNext();) {
+            XmlNode e = i.next();
+            elements.add(e.getName());
+        }
+        // System.out.println(elements);
+        QName[] names =
+            {new QName("http://ns", "e1"), new QName("http://ns1", "e11"), null, null, new QName("http://ns1", "e11"),
+             new QName("http://ns", "e12"), new QName("http://ns", "e121"), new QName("http://ns", "e121"),
+             new QName("http://ns", "e12"), null, null, new QName("http://ns", "e1")};
+        Assert.assertEquals(Arrays.asList(names), elements);
+    }
+
+    @Test
+    public void testReader() throws Exception {
+        XmlTreeStreamReaderImpl reader = new XmlTreeStreamReaderImpl(root);
+        XMLStreamSerializer serializer = new XMLStreamSerializer();
+        StringWriter sw = new StringWriter();
+        XMLOutputFactory outputFactory = XMLOutputFactory.newInstance();
+        outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE);
+        XMLStreamWriter writer = outputFactory.createXMLStreamWriter(sw);
+        serializer.serialize(reader, writer);
+        String xml = sw.toString();
+        XMLAssert.assertXMLEqual(XML_RESULT, xml);
+    }
+
+    private static class XmlNodeImpl implements XmlNode {
+        private List<XmlNode> children = new ArrayList<XmlNode>();
+        private List<XmlNode> attrs = new ArrayList<XmlNode>();
+        private Map<String, String> namespaces = new HashMap<String, String>();
+        private QName name;
+        private Object value = "123";
+
+        /**
+         * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#attributes()
+         */
+        public List<XmlNode> attributes() {
+            return attrs;
+        }
+
+        /**
+         * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#children()
+         */
+        public Iterator<XmlNode> children() {
+            return children.iterator();
+        }
+
+        /**
+         * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#getName()
+         */
+        public QName getName() {
+            return name;
+        }
+
+        /**
+         * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#getValue()
+         */
+        public <T> T getValue() {
+            return (T)value;
+        }
+
+        /**
+         * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#namespaces()
+         */
+        public Map<String, String> namespaces() {
+            return namespaces;
+        }
+
+        @Override
+        public String toString() {
+            return String.valueOf(name);
+        }
+
+        public Type getType() {
+            if (value instanceof XMLStreamReader) {
+                return Type.READER;
+            }
+            return name == null ? Type.CHARACTERS : Type.ELEMENT;
+        }
+
+    }
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/xpath/XPathHelperTestCase.java b/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/xpath/XPathHelperTestCase.java
new file mode 100644
index 0000000000..3b1f7b52f0
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/xpath/XPathHelperTestCase.java
@@ -0,0 +1,147 @@
+/*
+ * 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.xpath;
+
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+
+import org.apache.tuscany.sca.common.xml.dom.DOMHelper;
+import org.apache.tuscany.sca.common.xml.stax.StAXHelper;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+/**
+ * 
+ */
+public class XPathHelperTestCase {
+    private static XPathHelper xpathHelper;
+    private static StAXHelper staxHelper;
+    private static DOMHelper domHelper;
+
+    private static String XML =
+        "<r:root name=\"root\" xmlns:r=\"http://root\">" + "<c:child xmlns:c=\"http://child\" name=\"child\">"
+            + "<c:child1 xmlns:c=\"http://child1\" name=\"child1\"/>"
+            + "</c:child>"
+            + "</r:root>";
+
+    private static String XML2 = "<definitions 	xmlns=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\" " +
+				"xmlns:sca=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\" " + 
+				"xmlns:test=\"http://docs.oasis-open.org/ns/opencsa/scatests/200903\" " +
+				"targetNamespace=\"http://docs.oasis-open.org/ns/opencsa/scatests/200903\"></definitions>";
+				
+    private static String XPATH =
+        "<policySet attachTo=\"//c:child1[@name='child1']/self::node()\" xmlns:c=\"http://child1\" xmlns=\"http://p\">" + "<child xmlns:c=\"http://c2\"/></policySet>";
+
+    /**
+     * @throws java.lang.Exception
+     */
+    @BeforeClass
+    public static void setUpBeforeClass() throws Exception {
+        ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
+        xpathHelper = XPathHelper.getInstance(registry);
+        domHelper = DOMHelper.getInstance(registry);
+        staxHelper = StAXHelper.getInstance(registry);
+    }
+
+    @Test
+    public void testNewXPath() {
+        XPath path = xpathHelper.newXPath();
+        Assert.assertNotNull(path);
+    }
+
+    @Test
+    public void testCompile() throws Exception {
+        XMLStreamReader reader = staxHelper.createXMLStreamReader(XPATH);
+        reader.nextTag();
+        String xpath = reader.getAttributeValue(null, "attachTo");
+        XPathExpression expression = xpathHelper.compile(reader.getNamespaceContext(), xpath);
+        // Advance the reader so that the namespace context changes its prefix/namespace mapping
+        reader.nextTag();
+        reader.close();
+
+        Document doc = domHelper.load(XML);
+        NodeList nodes = (NodeList)expression.evaluate(doc, XPathConstants.NODESET);
+        Assert.assertEquals(1, nodes.getLength());
+        Node node = nodes.item(0);
+        Assert.assertTrue(node instanceof Element);
+        Assert.assertEquals(node.getNodeName(), "c:child1");
+    }
+
+    @Test
+    public void testCompile2() throws Exception {
+        XMLStreamReader reader = staxHelper.createXMLStreamReader(XPATH);
+        reader.nextTag();
+        String xpathExp = reader.getAttributeValue(null, "attachTo");
+        XPath xpath = xpathHelper.newXPath();
+        // Compile the expression without taking a snapshot of the namespace context
+        XPathExpression expression = xpathHelper.compile(xpath, reader.getNamespaceContext(), xpathExp);
+        // Advance the reader so that the namespace context changes its prefix/namespace mapping
+        reader.nextTag();
+        reader.close();
+
+        Document doc = domHelper.load(XML);
+        NodeList nodes = (NodeList)expression.evaluate(doc, XPathConstants.NODESET);
+        Assert.assertEquals(1, nodes.getLength());
+        Node node = nodes.item(0);
+        Assert.assertTrue(node instanceof Element);
+        Assert.assertEquals(node.getNodeName(), "c:child1");
+    }
+    
+    @Test
+    public void testGetPrefixes() throws Exception {
+    	 XMLStreamReader reader = staxHelper.createXMLStreamReader(XML2);
+         reader.nextTag();
+         NamespaceContext ctx = xpathHelper.getNamespaceContext("//sca:reference[IntentRefs('test:foo')]",
+        		 reader.getNamespaceContext());
+         Assert.assertNotNull(ctx.getNamespaceURI("sca"));
+         Assert.assertNotNull(ctx.getNamespaceURI("test"));
+    
+    }
+    
+    @Test
+    public void testGetPrefixes2() throws Exception {
+    	XMLStreamReader reader = staxHelper.createXMLStreamReader(XML2);
+        reader.nextTag();
+        NamespaceContext ctx = xpathHelper.getNamespaceContext("//sca:implementation.java[ IntentRefs( 'test:foo' ) ]",
+       		 reader.getNamespaceContext());
+        Assert.assertNotNull(ctx.getNamespaceURI("sca"));
+        Assert.assertNotNull(ctx.getNamespaceURI("test"));
+    }
+
+    /**
+     * @throws java.lang.Exception
+     */
+    @AfterClass
+    public static void tearDownAfterClass() throws Exception {
+        xpathHelper = null;
+    }
+
+}