Merger the code provide by lvbo chenbo.

Change-Id: I6b4b0402dea075e8d4d4629dfef3fe16d7930901
Issue-id: OCS-198
Signed-off-by: 10090474 <yuan.hu1@zte.com.cn>

1 files changed, 34 insertions, 0 deletions

diff --git a/wso2bpel-ext/wso2bpel-core/BPEL4RESTLight/src/main/java/de/unistuttgart/iaas/xml/XPathEvaluator.java b/wso2bpel-ext/wso2bpel-core/BPEL4RESTLight/src/main/java/de/unistuttgart/iaas/xml/XPathEvaluator.java
new file mode 100644
index 0000000..0ae6b2c
--- /dev/null
+++ b/wso2bpel-ext/wso2bpel-core/BPEL4RESTLight/src/main/java/de/unistuttgart/iaas/xml/XPathEvaluator.java
@@ -0,0 +1,34 @@
+/**
+ * 
+ * Copyright 2011 IAAS University of Stuttgart <br>
+ * <br>
+ * 
+ * @author uwe.breitenbuecher@iaas.uni-stuttgart.de
+ * 
+ */
+package de.unistuttgart.iaas.xml;
+
+import javax.xml.namespace.QName;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathFactory;
+
+
+public class XPathEvaluator {
+	
+	public static XPath xpath = XPathFactory.newInstance().newXPath();
+	
+	
+	@SuppressWarnings("unchecked")
+	public static <t> t evaluate(String expression, Object source, QName returnType) {
+		
+		Object resultAsObject = null;
+		try {
+			resultAsObject = xpath.evaluate(expression, source, returnType);
+			
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return (t) resultAsObject;
+	}
+	
+}