SLING-2893 - Add documentation and integration tests to verify XML
parsing functionality
Added XPath test
git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1488272 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/sling/launchpad/testservices/servlets/XpathServlet.java b/src/main/java/org/apache/sling/launchpad/testservices/servlets/XpathServlet.java
new file mode 100644
index 0000000..3947f81
--- /dev/null
+++ b/src/main/java/org/apache/sling/launchpad/testservices/servlets/XpathServlet.java
@@ -0,0 +1,61 @@
+/*
+ * 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.sling.launchpad.testservices.servlets;
+
+import java.io.IOException;
+import java.io.StringReader;
+
+import javax.servlet.ServletException;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+
+import org.apache.felix.scr.annotations.sling.SlingServlet;
+import org.apache.sling.api.SlingHttpServletRequest;
+import org.apache.sling.api.SlingHttpServletResponse;
+import org.apache.sling.api.servlets.SlingAllMethodsServlet;
+import org.xml.sax.InputSource;
+
+/**
+ * The <tt>XpathServlet</tt> evaluates a simple XML document using an XPath expression
+ *
+ */
+@SlingServlet(paths = "/bin/xpath", extensions = "xml")
+public class XpathServlet extends SlingAllMethodsServlet {
+
+ private static final long serialVersionUID = 1L;
+ private static final String XML_INPUT = "<content><name>JAXP</name></content>";
+
+ @Override
+ protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response)
+ throws ServletException, IOException {
+
+ try {
+ XPath xpath = XPathFactory.newInstance().newXPath();
+
+ String result = xpath.evaluate("/content/name", new InputSource(new StringReader(XML_INPUT)));
+
+ response.setContentType("text/plain");
+ response.getWriter().write(result);
+ } catch (XPathExpressionException e) {
+ throw new ServletException(e.getMessage(), e);
+ }
+ }
+
+}
