Added ResourceSource

xml/src/main/java/org/springframework/xml/transform/ResourceSource.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2007 the original author or authors.
+ *
+ * Licensed 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.springframework.xml.transform;
+
+import java.io.IOException;
+import javax.xml.transform.sax.SAXSource;
+
+import org.springframework.core.io.Resource;
+import org.springframework.xml.sax.SaxUtils;
+
+/**
+ * Convenient subclass of <code>StreamSource</code> that reads from a Spring {@link
+ * org.springframework.core.io.Resource}. The resource to be read can be set via the constructor.
+ *
+ * @author Arjen Poutsma
+ */
+public class ResourceSource extends SAXSource {
+
+    /**
+     * Initializes a new instance of the <code>ResourceSource</code> with the given resource.
+     *
+     * @param content the content
+     */
+    public ResourceSource(Resource content) throws IOException {
+        super(SaxUtils.createInputSource(content));
+    }
+
+}

xml/src/test/java/org/springframework/xml/transform/ResourceSourceTest.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2007 the original author or authors.
+ *
+ * Licensed 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.springframework.xml.transform;
+
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMResult;
+
+import org.custommonkey.xmlunit.XMLTestCase;
+import org.springframework.core.io.ClassPathResource;
+import org.w3c.dom.Element;
+
+public class ResourceSourceTest extends XMLTestCase {
+
+    public void testStringSource() throws Exception {
+        Transformer transformer = TransformerFactory.newInstance().newTransformer();
+        DOMResult result = new DOMResult();
+        ResourceSource source = new ResourceSource(new ClassPathResource("resourceSource.xml", getClass()));
+        transformer.transform(source, result);
+        Element rootElement = (Element) result.getNode().getFirstChild();
+        assertEquals("Invalid local name", "content", rootElement.getLocalName());
+        assertEquals("Invalid prefix", "prefix", rootElement.getPrefix());
+        assertEquals("Invalid namespace", "namespace", rootElement.getNamespaceURI());
+    }
+
+}

xml/src/test/java/org/springframework/xml/transform/StringResultTest.java

@@ -16,24 +16,18 @@
 
 package org.springframework.xml.transform;
 
-import java.io.IOException;
-
 import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.transform.Transformer;
-import javax.xml.transform.TransformerException;
 import javax.xml.transform.TransformerFactory;
 import javax.xml.transform.dom.DOMSource;
 
 import org.custommonkey.xmlunit.XMLTestCase;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
-import org.xml.sax.SAXException;
 
 public class StringResultTest extends XMLTestCase {
 
-    public void testStringResult()
-            throws TransformerException, ParserConfigurationException, IOException, SAXException {
+    public void testStringResult() throws Exception {
         Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
         Element element = document.createElementNS("namespace", "prefix:localName");
         document.appendChild(element);

xml/src/test/resources/org/springframework/xml/transform/resourceSource.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<prefix:content xmlns:prefix='namespace'/>