Minor clean up, preparing to test FasterXML#405

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/dataformat/xml/deser/XmlTokenStream.java

@@ -173,7 +173,8 @@ public int next() throws XMLStreamException
             System.out.printf(" XmlTokenStream.next(): XML_START_ELEMENT '%s' %s\n", _localName, _loc());
             break;
         case XML_END_ELEMENT: 
-            System.out.printf(" XmlTokenStream.next(): XML_END_ELEMENT '%s' %s\n", _localName, _loc());
+            // 24-May-2020, tatu: no name available for end element so do not print
+            System.out.printf(" XmlTokenStream.next(): XML_END_ELEMENT %s\n", _loc());
             break;
         case XML_ATTRIBUTE_NAME: 
             System.out.printf(" XmlTokenStream.next(): XML_ATTRIBUTE_NAME '%s' %s\n", _localName, _loc());
@@ -219,7 +220,15 @@ public void skipEndElement() throws IOException, XMLStreamException
     public int getCurrentToken() { return _currentState; }
 
     public String getText() { return _textValue; }
+
+    /**
+     * Accessor for local name of current named event (that is,
+     * {@code XML_START_ELEMENT} or {@code XML_ATTRIBUTE_NAME}).
+     *<p>
+     * NOTE: name NOT accessible on {@code XML_END_ELEMENT}
+     */
     public String getLocalName() { return _localName; }
+
     public String getNamespaceURI() { return _namespaceURI; }
 
     public boolean hasXsiNil() {
@@ -509,27 +518,17 @@ private final String _getText(XMLStreamReader2 r) throws XMLStreamException
     /**********************************************************************
      */
 
-    /*
-        _xmlReader = Stax2ReaderAdapter.wrapIfNecessary(xmlReader);
-        _currentState = XML_START_ELEMENT;
-        _localName = _xmlReader.getLocalName();
-        _namespaceURI = _xmlReader.getNamespaceURI();
-        _attributeCount = _xmlReader.getAttributeCount();
-        _formatFeatures = formatFeatures;
-     */
-    
     private final int _initStartElement() throws XMLStreamException
     {
         final String ns = _xmlReader.getNamespaceURI();
         final String localName = _xmlReader.getLocalName();
 
         _checkXsiAttributes();
 
-        /* Support for virtual wrapping: in wrapping, may either
-         * create a new wrapper scope (if in sub-tree, or matches
-         * wrapper element itself), or implicitly close existing
-         * scope.
-         */
+        // Support for virtual wrapping: in wrapping, may either create a new
+        // wrapper scope (if in sub-tree, or matches wrapper element itself),
+        // or implicitly close existing scope.
+
         if (_currentWrapper != null) {
             if (_currentWrapper.matchesWrapper(localName, ns)) {
                 _currentWrapper = _currentWrapper.intermediateWrapper();
@@ -631,11 +630,21 @@ private final int _handleEndElement()
 //System.out.println(" XMLTokenStream._handleEndElement(): IMPLICIT requestRepeat of END_ELEMENT '"+_localName);
             } else {
                 _currentWrapper = _currentWrapper.getParent();
+                // 23-May-2020, tatu: Let's clear _localName since it's value is unlikely
+                //    to be correct and we may or may not be able to get real one (for
+                //    END_ELEMENT could) -- FromXmlParser does NOT use this info
+                _localName = "";
+                _namespaceURI = "";
+
             }
+        } else {
+            // Not (necessarily) known, as per above, so:
+            _localName = "";
+            _namespaceURI = "";
         }
         return (_currentState = XML_END_ELEMENT);
     }
-    
+
     private JsonLocation _extractLocation(XMLStreamLocation2 location)
     {
         if (location == null) { // just for impls that might pass null...
@@ -647,7 +656,6 @@ private JsonLocation _extractLocation(XMLStreamLocation2 location)
                 location.getColumnNumber());
     }
 
-
     protected boolean _allWs(String str)
     {
         final int len = (str == null) ? 0 : str.length();

src/test/java/com/fasterxml/jackson/dataformat/xml/deser/XmlTokenStreamTest.java renamed to src/test/java/com/fasterxml/jackson/dataformat/xml/stream/XmlTokenStreamTest.java

@@ -1,4 +1,4 @@
-package com.fasterxml.jackson.dataformat.xml.deser;
+package com.fasterxml.jackson.dataformat.xml.stream;
 
 import java.io.*;
 
@@ -31,7 +31,10 @@ public void testSimple() throws Exception
         assertEquals(XmlTokenStream.XML_TEXT, tokens.next());
         assertEquals("abc", tokens.getText());
         assertEquals(XmlTokenStream.XML_END_ELEMENT, tokens.next());
+        // 23-May-2020, tatu: Not known for END_ELEMENT, alas, so:
+        assertEquals("", tokens.getLocalName());
         assertEquals(XmlTokenStream.XML_END_ELEMENT, tokens.next());
+        assertEquals("", tokens.getLocalName());
         assertEquals(XmlTokenStream.XML_END, tokens.next());
     }
 
@@ -124,5 +127,42 @@ public void testNested() throws Exception
         assertEquals(XmlTokenStream.XML_END_ELEMENT, tokens.next());
         assertEquals(XmlTokenStream.XML_END, tokens.next());
     }
-    
+
+    // For [dataformat-xml#402]
+/*    public void testMixedContent() throws Exception
+    {
+        String XML = "<root>first<a>123</a> and second <b>abc</b>last &amp; final</root>";
+        XMLStreamReader sr = _staxInputFactory.createXMLStreamReader(new StringReader(XML));
+        sr.nextTag();
+        XmlTokenStream tokens = new XmlTokenStream(sr, XML, FromXmlParser.Feature.collectDefaults());
+
+        assertEquals(XmlTokenStream.XML_START_ELEMENT, tokens.getCurrentToken());
+        assertEquals("root", tokens.getLocalName());
+
+        assertEquals(XmlTokenStream.XML_TEXT, tokens.next());
+        assertEquals("first", tokens.getText());
+
+        assertEquals(XmlTokenStream.XML_START_ELEMENT, tokens.next());
+        assertEquals("a", tokens.getLocalName());
+        assertEquals(XmlTokenStream.XML_TEXT, tokens.next());
+        assertEquals("123", tokens.getText());
+        assertEquals(XmlTokenStream.XML_END_ELEMENT, tokens.next());
+
+        assertEquals(XmlTokenStream.XML_TEXT, tokens.next());
+        assertEquals(" and second ", tokens.getText());
+
+        assertEquals(XmlTokenStream.XML_START_ELEMENT, tokens.next());
+        assertEquals("b", tokens.getLocalName());
+        assertEquals(XmlTokenStream.XML_TEXT, tokens.next());
+        assertEquals("abc", tokens.getText());
+        assertEquals(XmlTokenStream.XML_END_ELEMENT, tokens.next());
+
+        assertEquals(XmlTokenStream.XML_TEXT, tokens.next());
+        assertEquals("last & final", tokens.getText());
+
+        assertEquals(XmlTokenStream.XML_END_ELEMENT, tokens.next());
+        assertEquals(XmlTokenStream.XML_END, tokens.next());
+        sr.close();
+    }
+    */
 }