SWS-266

Author: poutsma

core/src/main/java/org/springframework/ws/WebServiceMessage.java

@@ -42,8 +42,11 @@ public interface WebServiceMessage {
     Source getPayloadSource();
 
     /**
-     * Returns the contents of the message as a {@link Result}. <p>Implementations that are read-only will throw an
-     * {@link UnsupportedOperationException}.
+     * Returns the contents of the message as a {@link Result}.
+     * <p/>
+     * Calling this method removes the current payload.
+     * <p/>
+     * Implementations that are read-only will throw an {@link UnsupportedOperationException}.
      *
      * @return the message contents
      * @throws UnsupportedOperationException if the message is read-only

core/src/main/java/org/springframework/ws/soap/SoapBody.java

@@ -20,6 +20,8 @@
 import javax.xml.transform.Result;
 import javax.xml.transform.Source;
 
+import org.springframework.ws.WebServiceMessage;
+
 /**
  * Represents the <code>Body</code> element in a SOAP message. A SOAP body contains the <strong>payload</strong> of the
  * message. This payload can be custom XML, or a <code>SoapFault</code> (but not both).
@@ -40,13 +42,17 @@ public interface SoapBody extends SoapElement {
      * Returns a <code>Source</code> that represents the contents of the body.
      *
      * @return the message contents
+     * @see WebServiceMessage#getPayloadSource()
      */
     Source getPayloadSource();
 
     /**
      * Returns a <code>Result</code> that represents the contents of the body.
+     * <p/>
+     * Calling this method removes the current content of the body.
      *
      * @return the message contents
+     * @see WebServiceMessage#getPayloadResult()
      */
     Result getPayloadResult();
 

core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapBody.java

@@ -30,6 +30,7 @@
 
 import org.springframework.ws.soap.SoapBody;
 import org.springframework.ws.soap.SoapFault;
+import org.springframework.ws.soap.axiom.support.AxiomUtils;
 import org.springframework.xml.transform.StaxSource;
 
 /**
@@ -68,6 +69,7 @@ else if (payloadCaching) {
     }
 
     public Result getPayloadResult() {
+        AxiomUtils.removeContents(getAxiomBody());
         return new SAXResult(new AxiomContentHandler(getAxiomBody(), getAxiomFactory()));
     }
 

core/src/main/java/org/springframework/ws/soap/axiom/support/AxiomUtils.java

@@ -16,12 +16,16 @@
 
 package org.springframework.ws.soap.axiom.support;
 
+import java.util.Iterator;
 import java.util.Locale;
 import javax.xml.namespace.QName;
 
+import org.apache.axiom.om.OMContainer;
 import org.apache.axiom.om.OMElement;
 import org.apache.axiom.om.OMException;
 import org.apache.axiom.om.OMNamespace;
+import org.apache.axiom.om.OMNode;
+
 import org.springframework.util.StringUtils;
 import org.springframework.xml.namespace.QNameUtils;
 
@@ -81,5 +85,13 @@ public static Locale toLocale(String language) {
         return StringUtils.parseLocaleString(language);
     }
 
+    /** Removes the contents (i.e. children) of the container. */
+    public static void removeContents(OMContainer container) {
+        for (Iterator iterator = container.getChildren(); iterator.hasNext();) {
+            OMNode child = (OMNode) iterator.next();
+            child.detach();
+        }
+    }
+
 
 }

core/src/test/java/org/springframework/ws/soap/AbstractSoapBodyTestCase.java

@@ -17,6 +17,11 @@
 package org.springframework.ws.soap;
 
 import java.util.Locale;
+import javax.xml.transform.dom.DOMResult;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
 
 import org.springframework.xml.transform.StringResult;
 import org.springframework.xml.transform.StringSource;
@@ -34,11 +39,21 @@ protected final SoapElement createSoapElement() throws Exception {
 
     public void testPayload() throws Exception {
         String payload = "<payload xmlns='http://www.springframework.org' />";
-        StringSource contents = new StringSource(payload);
-        transformer.transform(contents, soapBody.getPayloadResult());
+        transformer.transform(new StringSource(payload), soapBody.getPayloadResult());
         assertPayloadEqual(payload);
     }
 
+    public void testGetPayloadResultTwice() throws Exception {
+        String payload = "<payload xmlns='http://www.springframework.org' />";
+        transformer.transform(new StringSource(payload), soapBody.getPayloadResult());
+        transformer.transform(new StringSource(payload), soapBody.getPayloadResult());
+        DOMResult domResult = new DOMResult();
+        transformer.transform(soapBody.getSource(), domResult);
+        Element bodyElement = ((Document) domResult.getNode()).getDocumentElement();
+        NodeList children = bodyElement.getChildNodes();
+        assertEquals("Invalid amount of child nodes", 1, children.getLength());
+    }
+
     public void testNoFault() throws Exception {
         assertFalse("body has fault", soapBody.hasFault());
     }