jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/DOMStreamReader.java@6cd506508147 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/DOMStreamReader.java@6cd506508147 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/DOMStreamReader.java

Fri, 14 Feb 2014 11:13:45 +0100

author: mkos
date: Fri, 14 Feb 2014 11:13:45 +0100
changeset 515: 6cd506508147
parent 368: 0989ad8c0860
child 637: 9c07ef4934dd
permissions: -rw-r--r--

8026188: Enhance envelope factory
Summary: Avoiding caching data initialized via TCCL in static context; fix also reviewed by Alexander Fomin
Reviewed-by: ahgross, mgrebac, skoivu

 /*
  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.xml.internal.ws.streaming;
 import com.sun.istack.internal.FinalArrayList;
 import com.sun.istack.internal.NotNull;
 import com.sun.istack.internal.XMLStreamException2;
 import com.sun.xml.internal.ws.util.xml.DummyLocation;
 import com.sun.xml.internal.ws.util.xml.XmlUtil;
 import org.w3c.dom.Attr;
 import org.w3c.dom.Element;
 import org.w3c.dom.NamedNodeMap;
 import org.w3c.dom.Node;
 import static org.w3c.dom.Node.*;
 import org.w3c.dom.NodeList;
 import org.w3c.dom.ProcessingInstruction;
 import org.w3c.dom.Text;
 import javax.xml.namespace.NamespaceContext;
 import javax.xml.namespace.QName;
 import javax.xml.stream.Location;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamReader;
 import javax.xml.transform.dom.DOMSource;
 import javax.xml.transform.stream.StreamResult;
 import java.util.Collections;
 import java.util.Iterator;
 /**
  * Create an {@link XMLStreamReader} on top of a DOM tree.
  *
  * <p>
  * Since various libraries as well as users often create "incorrect" DOM node,
  * this class spends a lot of efforts making sure that broken DOM trees are
  * nevertheless interpreted correctly.
  *
  * <p>
  * For example, if a DOM level
  * 1 tree is passed, each method will attempt to return the correct value
  * by using {@link Node#getNodeName()}.
  *
  * <p>
  * Similarly, if DOM is missing explicit namespace declarations,
  * this class attempts to emulate necessary declarations.
  *
  *
  * @author Santiago.PericasGeertsen@sun.com
  * @author Kohsuke Kawaguchi
  */
 public class DOMStreamReader implements XMLStreamReader, NamespaceContext {
     /**
      * Current DOM node being traversed.
      */
     protected Node _current;
     /**
      * Starting node of the subtree being traversed.
      */
     private Node _start;
     /**
      * Named mapping for attributes and NS decls for the current node.
      */
     private NamedNodeMap _namedNodeMap;
     /**
      * If the reader points at {@link #CHARACTERS the text node},
      * its whole value.
      *
      * <p>
      * This is simply a cache of {@link Text#getWholeText()} of {@link #_current},
      * but when a large binary data sent as base64 text, this could get very much
      * non-trivial.
      */
     protected String wholeText;
     /**
      * List of attributes extracted from <code>_namedNodeMap</code>.
      */
     private final FinalArrayList<Attr> _currentAttributes = new FinalArrayList<Attr>();
     /**
      * {@link Scope} buffer.
      */
     protected Scope[] scopes = new Scope[8];
     /**
      * Depth of the current element. The first element gets depth==0.
      * Also used as the index to {@link #scopes}.
      */
     protected int depth = 0;
     /**
      * State of this reader. Any of the valid states defined in StAX'
      * XMLStreamConstants class.
      */
     protected int _state;
     /**
      * Namespace declarations on one element.
      *
      * Instances are reused.
      */
     protected static final class Scope {
         /**
          * Scope for the parent element.
          */
         final Scope parent;
         /**
          * List of namespace declarations extracted from <code>_namedNodeMap</code>
          */
         final FinalArrayList<Attr> currentNamespaces = new FinalArrayList<Attr>();
         /**
          * Additional namespace declarations obtained as a result of "fixing" DOM tree,
          * which were not part of the original DOM tree.
          *
          * One entry occupies two spaces (prefix followed by URI.)
          */
         final FinalArrayList<String> additionalNamespaces = new FinalArrayList<String>();
         Scope(Scope parent) {
             this.parent = parent;
         }
         void reset() {
             currentNamespaces.clear();
             additionalNamespaces.clear();
         }
         int getNamespaceCount() {
             return currentNamespaces.size()+additionalNamespaces.size()/2;
         }
         String getNamespacePrefix(int index) {
             int sz = currentNamespaces.size();
             if(index< sz) {
                 Attr attr = currentNamespaces.get(index);
                 String result = attr.getLocalName();
                 if (result == null) {
                     result = QName.valueOf(attr.getNodeName()).getLocalPart();
                 }
                 return result.equals("xmlns") ? null : result;
             } else {
                 return additionalNamespaces.get((index-sz)*2);
             }
         }
         String getNamespaceURI(int index) {
             int sz = currentNamespaces.size();
             if(index< sz) {
                 return currentNamespaces.get(index).getValue();
             } else {
                 return additionalNamespaces.get((index-sz)*2+1);
             }
         }
         /**
          * Returns the prefix bound to the given URI, or null.
          * This method recurses to the parent.
          */
         String getPrefix(String nsUri) {
             for( Scope sp=this; sp!=null; sp=sp.parent ) {
                 for( int i=sp.currentNamespaces.size()-1; i>=0; i--) {
                     String result = getPrefixForAttr(sp.currentNamespaces.get(i),nsUri);
                     if(result!=null)
                         return result;
                 }
                 for( int i=sp.additionalNamespaces.size()-2; i>=0; i-=2 )
                     if(sp.additionalNamespaces.get(i+1).equals(nsUri))
                         return sp.additionalNamespaces.get(i);
             }
             return null;
         }
         /**
          * Returns the namespace URI bound by the given prefix.
          *
          * @param prefix
          *      Prefix to look up.
          */
         String getNamespaceURI(@NotNull String prefix) {
             String nsDeclName = prefix.length()==0 ? "xmlns" : "xmlns:"+prefix;
             for( Scope sp=this; sp!=null; sp=sp.parent ) {
                 for( int i=sp.currentNamespaces.size()-1; i>=0; i--) {
                     Attr a = sp.currentNamespaces.get(i);
                     if(a.getNodeName().equals(nsDeclName))
                         return a.getValue();
                 }
                 for( int i=sp.additionalNamespaces.size()-2; i>=0; i-=2 )
                     if(sp.additionalNamespaces.get(i).equals(prefix))
                         return sp.additionalNamespaces.get(i+1);
             }
             return null;
         }
     }
     public DOMStreamReader() {
     }
     public DOMStreamReader(Node node) {
         setCurrentNode(node);
     }
     public void setCurrentNode(Node node) {
         scopes[0] = new Scope(null);
         depth=0;
         _start = _current = node;
         _state = START_DOCUMENT;
         // verifyDOMIntegrity(node);
         // displayDOM(node, System.out);
     }
     public void close() throws XMLStreamException {
     }
     /**
      * Called when the current node is {@link Element} to look at attribute list
      * (which contains both ns decl and attributes in DOM) and split them
      * to attributes-proper and namespace decls.
      */
     protected void splitAttributes() {
         // Clear attribute and namespace lists
         _currentAttributes.clear();
         Scope scope = allocateScope();
         _namedNodeMap = _current.getAttributes();
         if (_namedNodeMap != null) {
             final int n = _namedNodeMap.getLength();
             for (int i = 0; i < n; i++) {
                 final Attr attr = (Attr) _namedNodeMap.item(i);
                 final String attrName = attr.getNodeName();
                 if (attrName.startsWith("xmlns:") || attrName.equals("xmlns")) {     // NS decl?
                     scope.currentNamespaces.add(attr);
                 }
                 else {
                     _currentAttributes.add(attr);
                 }
             }
         }
         // verify that all the namespaces used in element and attributes are indeed available
         ensureNs(_current);
         for( int i=_currentAttributes.size()-1; i>=0; i-- ) {
             Attr a = _currentAttributes.get(i);
             if(fixNull(a.getNamespaceURI()).length()>0)
                 ensureNs(a);    // no need to declare "" for attributes in the default namespace
         }
     }
     /**
      * Sub-routine of {@link #splitAttributes()}.
      *
      * <p>
      * Makes sure that the namespace URI/prefix used in the given node is available,
      * and if not, declare it on the current scope to "fix" it.
      *
      * It's often common to create DOM trees without putting namespace declarations,
      * and this makes sure that such DOM tree will be properly marshalled.
      */
     private void ensureNs(Node n) {
         String prefix = fixNull(n.getPrefix());
         String uri = fixNull(n.getNamespaceURI());
         Scope scope = scopes[depth];
         String currentUri = scope.getNamespaceURI(prefix);
         if(prefix.length()==0) {
             currentUri = fixNull(currentUri);
             if(currentUri.equals(uri))
                 return; // declared correctly
         } else {
             if(currentUri!=null && currentUri.equals(uri))
                 return; // declared correctly
         }
         if(prefix.equals("xml") || prefix.equals("xmlns"))
             return; // implicitly declared namespaces
         // needs to be declared
         scope.additionalNamespaces.add(prefix);
         scope.additionalNamespaces.add(uri);
     }
     /**
      * Allocate new {@link Scope} for {@link #splitAttributes()}.
      */
     private Scope allocateScope() {
         if(scopes.length==++depth) {
             Scope[] newBuf = new Scope[scopes.length*2];
             System.arraycopy(scopes,0,newBuf,0,scopes.length);
             scopes = newBuf;
         }
         Scope scope = scopes[depth];
         if(scope==null) {
             scope = scopes[depth] = new Scope(scopes[depth-1]);
         } else {
             scope.reset();
         }
         return scope;
     }
     public int getAttributeCount() {
         if (_state == START_ELEMENT)
             return _currentAttributes.size();
         throw new IllegalStateException("DOMStreamReader: getAttributeCount() called in illegal state");
     }
     /**
      * Return an attribute's local name. Handle the case of DOM level 1 nodes.
      */
     public String getAttributeLocalName(int index) {
         if (_state == START_ELEMENT) {
             String localName = _currentAttributes.get(index).getLocalName();
             return (localName != null) ? localName :
                 QName.valueOf(_currentAttributes.get(index).getNodeName()).getLocalPart();
         }
         throw new IllegalStateException("DOMStreamReader: getAttributeLocalName() called in illegal state");
     }
     /**
      * Return an attribute's qname. Handle the case of DOM level 1 nodes.
      */
     public QName getAttributeName(int index) {
         if (_state == START_ELEMENT) {
             Node attr = _currentAttributes.get(index);
             String localName = attr.getLocalName();
             if (localName != null) {
                 String prefix = attr.getPrefix();
                 String uri = attr.getNamespaceURI();
                 return new QName(fixNull(uri), localName, fixNull(prefix));
             }
             else {
                 return QName.valueOf(attr.getNodeName());
             }
         }
         throw new IllegalStateException("DOMStreamReader: getAttributeName() called in illegal state");
     }
     public String getAttributeNamespace(int index) {
         if (_state == START_ELEMENT) {
             String uri = _currentAttributes.get(index).getNamespaceURI();
             return fixNull(uri);
         }
         throw new IllegalStateException("DOMStreamReader: getAttributeNamespace() called in illegal state");
     }
     public String getAttributePrefix(int index) {
         if (_state == START_ELEMENT) {
             String prefix = _currentAttributes.get(index).getPrefix();
             return fixNull(prefix);
         }
         throw new IllegalStateException("DOMStreamReader: getAttributePrefix() called in illegal state");
     }
     public String getAttributeType(int index) {
         if (_state == START_ELEMENT) {
             return "CDATA";
         }
         throw new IllegalStateException("DOMStreamReader: getAttributeType() called in illegal state");
     }
     public String getAttributeValue(int index) {
         if (_state == START_ELEMENT) {
             return _currentAttributes.get(index).getNodeValue();
         }
         throw new IllegalStateException("DOMStreamReader: getAttributeValue() called in illegal state");
     }
     public String getAttributeValue(String namespaceURI, String localName) {
         if (_state == START_ELEMENT) {
             if (_namedNodeMap != null) {
                 Node attr = _namedNodeMap.getNamedItemNS(namespaceURI, localName);
                 return attr != null ? attr.getNodeValue() : null;
             }
             return null;
         }
         throw new IllegalStateException("DOMStreamReader: getAttributeValue() called in illegal state");
     }
     public String getCharacterEncodingScheme() {
         return null;
     }
     public String getElementText() throws javax.xml.stream.XMLStreamException {
         throw new RuntimeException("DOMStreamReader: getElementText() not implemented");
     }
     public String getEncoding() {
         return null;
     }
     public int getEventType() {
         return _state;
     }
     /**
      * Return an element's local name. Handle the case of DOM level 1 nodes.
      */
     public String getLocalName() {
         if (_state == START_ELEMENT || _state == END_ELEMENT) {
             String localName = _current.getLocalName();
             return localName != null ? localName :
                 QName.valueOf(_current.getNodeName()).getLocalPart();
         }
         else if (_state == ENTITY_REFERENCE) {
             return _current.getNodeName();
         }
         throw new IllegalStateException("DOMStreamReader: getAttributeValue() called in illegal state");
     }
     public Location getLocation() {
         return DummyLocation.INSTANCE;
     }
     /**
      * Return an element's qname. Handle the case of DOM level 1 nodes.
      */
     public javax.xml.namespace.QName getName() {
         if (_state == START_ELEMENT || _state == END_ELEMENT) {
             String localName = _current.getLocalName();
             if (localName != null) {
                 String prefix = _current.getPrefix();
                 String uri = _current.getNamespaceURI();
                 return new QName(fixNull(uri), localName, fixNull(prefix));
             }
             else {
                 return QName.valueOf(_current.getNodeName());
             }
         }
         throw new IllegalStateException("DOMStreamReader: getName() called in illegal state");
     }
     public NamespaceContext getNamespaceContext() {
         return this;
     }
     /**
      * Verifies the current state to see if we can return the scope, and do so
      * if appropriate.
      *
      * Used to implement a bunch of StAX API methods that have the same usage restriction.
      */
     private Scope getCheckedScope() {
         if (_state == START_ELEMENT || _state == END_ELEMENT) {
             return scopes[depth];
         }
         throw new IllegalStateException("DOMStreamReader: neither on START_ELEMENT nor END_ELEMENT");
     }
     public int getNamespaceCount() {
         return getCheckedScope().getNamespaceCount();
     }
     public String getNamespacePrefix(int index) {
         return getCheckedScope().getNamespacePrefix(index);
     }
     public String getNamespaceURI(int index) {
         return getCheckedScope().getNamespaceURI(index);
     }
     public String getNamespaceURI() {
         if (_state == START_ELEMENT || _state == END_ELEMENT) {
             String uri = _current.getNamespaceURI();
             return fixNull(uri);
         }
         return null;
     }
     /**
      * This method is not particularly fast, but shouldn't be called very
      * often. If we start to use it more, we should keep track of the
      * NS declarations using a NamespaceContext implementation instead.
      */
     public String getNamespaceURI(String prefix) {
         if (prefix == null) {
             throw new IllegalArgumentException("DOMStreamReader: getNamespaceURI(String) call with a null prefix");
         }
         else if (prefix.equals("xml")) {
             return "http://www.w3.org/XML/1998/namespace";
         }
         else if (prefix.equals("xmlns")) {
             return "http://www.w3.org/2000/xmlns/";
         }
         // check scopes
         String nsUri = scopes[depth].getNamespaceURI(prefix);
         if(nsUri!=null)    return nsUri;
         // then ancestors above start node
         Node node = findRootElement();
         String nsDeclName = prefix.length()==0 ? "xmlns" : "xmlns:"+prefix;
         while (node.getNodeType() != DOCUMENT_NODE) {
             // Is ns declaration on this element?
             NamedNodeMap namedNodeMap = node.getAttributes();
             Attr attr = (Attr) namedNodeMap.getNamedItem(nsDeclName);
             if (attr != null)
                 return attr.getValue();
             node = node.getParentNode();
         }
         return null;
     }
     public String getPrefix(String nsUri) {
         if (nsUri == null) {
             throw new IllegalArgumentException("DOMStreamReader: getPrefix(String) call with a null namespace URI");
         }
         else if (nsUri.equals("http://www.w3.org/XML/1998/namespace")) {
             return "xml";
         }
         else if (nsUri.equals("http://www.w3.org/2000/xmlns/")) {
             return "xmlns";
         }
         // check scopes
         String prefix = scopes[depth].getPrefix(nsUri);
         if(prefix!=null)    return prefix;
         // then ancestors above start node
         Node node = findRootElement();
         while (node.getNodeType() != DOCUMENT_NODE) {
             // Is ns declaration on this element?
             NamedNodeMap namedNodeMap = node.getAttributes();
             for( int i=namedNodeMap.getLength()-1; i>=0; i-- ) {
                 Attr attr = (Attr)namedNodeMap.item(i);
                 prefix = getPrefixForAttr(attr,nsUri);
                 if(prefix!=null)
                     return prefix;
             }
             node = node.getParentNode();
         }
         return null;
     }
     /**
      * Finds the root element node of the traversal.
      */
     private Node findRootElement() {
         int type;
         Node node = _start;
         while ((type = node.getNodeType()) != DOCUMENT_NODE
                 && type != ELEMENT_NODE) {
             node = node.getParentNode();
         }
         return node;
     }
     /**
      * If the given attribute is a namespace declaration for the given namespace URI,
      * return its prefix. Otherwise null.
      */
     private static String getPrefixForAttr(Attr attr, String nsUri) {
         String attrName = attr.getNodeName();
         if (!attrName.startsWith("xmlns:") && !attrName.equals("xmlns"))
             return null;    // not nsdecl
         if(attr.getValue().equals(nsUri)) {
             if(attrName.equals("xmlns"))
                 return "";
             String localName = attr.getLocalName();
             return (localName != null) ? localName :
                 QName.valueOf(attrName).getLocalPart();
         }
         return null;
     }
     public Iterator getPrefixes(String nsUri) {
         // This is an incorrect implementation,
         // but AFAIK it's not used in the JAX-WS runtime
         String prefix = getPrefix(nsUri);
         if(prefix==null)    return Collections.emptyList().iterator();
         else                return Collections.singletonList(prefix).iterator();
     }
     public String getPIData() {
         if (_state == PROCESSING_INSTRUCTION) {
             return ((ProcessingInstruction) _current).getData();
         }
         return null;
     }
     public String getPITarget() {
         if (_state == PROCESSING_INSTRUCTION) {
             return ((ProcessingInstruction) _current).getTarget();
         }
         return null;
     }
     public String getPrefix() {
         if (_state == START_ELEMENT || _state == END_ELEMENT) {
             String prefix = _current.getPrefix();
             return fixNull(prefix);
         }
         return null;
     }
     public Object getProperty(String str) throws IllegalArgumentException {
         return null;
     }
     public String getText() {
         if (_state == CHARACTERS)
             return wholeText;
         if(_state == CDATA || _state == COMMENT || _state == ENTITY_REFERENCE)
             return _current.getNodeValue();
         throw new IllegalStateException("DOMStreamReader: getTextLength() called in illegal state");
     }
     public char[] getTextCharacters() {
         return getText().toCharArray();
     }
     public int getTextCharacters(int sourceStart, char[] target, int targetStart,
                                  int targetLength) throws XMLStreamException {
         String text = getText();
         int copiedSize = Math.min(targetLength, text.length() - sourceStart);
         text.getChars(sourceStart, sourceStart + copiedSize, target, targetStart);
         return copiedSize;
     }
     public int getTextLength() {
         return getText().length();
     }
     public int getTextStart() {
         if (_state == CHARACTERS || _state == CDATA || _state == COMMENT || _state == ENTITY_REFERENCE) {
             return 0;
         }
         throw new IllegalStateException("DOMStreamReader: getTextStart() called in illegal state");
     }
     public String getVersion() {
         return null;
     }
     public boolean hasName() {
         return (_state == START_ELEMENT || _state == END_ELEMENT);
     }
     public boolean hasNext() throws javax.xml.stream.XMLStreamException {
         return (_state != END_DOCUMENT);
     }
     public boolean hasText() {
         if (_state == CHARACTERS || _state == CDATA || _state == COMMENT || _state == ENTITY_REFERENCE) {
             return getText().trim().length() > 0;
         }
         return false;
     }
     public boolean isAttributeSpecified(int param) {
         return false;
     }
     public boolean isCharacters() {
         return (_state == CHARACTERS);
     }
     public boolean isEndElement() {
         return (_state == END_ELEMENT);
     }
     public boolean isStandalone() {
         return true;
     }
     public boolean isStartElement() {
         return (_state == START_ELEMENT);
     }
     public boolean isWhiteSpace() {
         if (_state == CHARACTERS || _state == CDATA)
             return getText().trim().length()==0;
         return false;
     }
     private static int mapNodeTypeToState(int nodetype) {
         switch (nodetype) {
             case CDATA_SECTION_NODE:
                 return CDATA;
             case COMMENT_NODE:
                 return COMMENT;
             case ELEMENT_NODE:
                 return START_ELEMENT;
             case ENTITY_NODE:
                 return ENTITY_DECLARATION;
             case ENTITY_REFERENCE_NODE:
                 return ENTITY_REFERENCE;
             case NOTATION_NODE:
                 return NOTATION_DECLARATION;
             case PROCESSING_INSTRUCTION_NODE:
                 return PROCESSING_INSTRUCTION;
             case TEXT_NODE:
                 return CHARACTERS;
             default:
                 throw new RuntimeException("DOMStreamReader: Unexpected node type");
         }
     }
     public int next() throws XMLStreamException {
         while(true) {
             int r = _next();
             switch (r) {
             case CHARACTERS:
                 // if we are currently at text node, make sure that this is a meaningful text node.
                 Node prev = _current.getPreviousSibling();
                 if(prev!=null && prev.getNodeType()==Node.TEXT_NODE)
                     continue;   // nope. this is just a continuation of previous text that should be invisible
                 Text t = (Text)_current;
                 wholeText = t.getWholeText();
                 if(wholeText.length()==0)
                     continue;   // nope. this is empty text.
                 return CHARACTERS;
             case START_ELEMENT:
                 splitAttributes();
                 return START_ELEMENT;
             default:
                 return r;
             }
         }
     }
     protected int _next() throws XMLStreamException {
         Node child;
         switch (_state) {
             case END_DOCUMENT:
                 throw new IllegalStateException("DOMStreamReader: Calling next() at END_DOCUMENT");
             case START_DOCUMENT:
                 // Don't skip document element if this is a fragment
                 if (_current.getNodeType() == ELEMENT_NODE) {
                     return (_state = START_ELEMENT);
                 }
                 child = _current.getFirstChild();
                 if (child == null) {
                     return (_state = END_DOCUMENT);
                 }
                 else {
                     _current = child;
                     return (_state = mapNodeTypeToState(_current.getNodeType()));
                 }
             case START_ELEMENT:
                 child = _current.getFirstChild();
                 if (child == null) {
                     return (_state = END_ELEMENT);
                 }
                 else {
                     _current = child;
                     return (_state = mapNodeTypeToState(_current.getNodeType()));
                 }
             case END_ELEMENT:
                 depth--;
                 // fall through next
             case CHARACTERS:
             case COMMENT:
             case CDATA:
             case ENTITY_REFERENCE:
             case PROCESSING_INSTRUCTION:
                 // If at the end of this fragment, then terminate traversal
                 if (_current == _start) {
                     return (_state = END_DOCUMENT);
                 }
                 Node sibling = _current.getNextSibling();
                 if (sibling == null) {
                     _current = _current.getParentNode();
                     // getParentNode() returns null for fragments
                     _state = (_current == null || _current.getNodeType() == DOCUMENT_NODE) ?
                              END_DOCUMENT : END_ELEMENT;
                     return _state;
                 }
                 else {
                     _current = sibling;
                     return (_state = mapNodeTypeToState(_current.getNodeType()));
                 }
             case DTD:
             case ATTRIBUTE:
             case NAMESPACE:
             default:
                 throw new RuntimeException("DOMStreamReader: Unexpected internal state");
         }
     }
     public int nextTag() throws javax.xml.stream.XMLStreamException {
         int eventType = next();
         while (eventType == CHARACTERS && isWhiteSpace()
                || eventType == CDATA && isWhiteSpace()
                || eventType == SPACE
                || eventType == PROCESSING_INSTRUCTION
                || eventType == COMMENT)
         {
             eventType = next();
         }
         if (eventType != START_ELEMENT && eventType != END_ELEMENT) {
             throw new XMLStreamException2("DOMStreamReader: Expected start or end tag");
         }
         return eventType;
     }
     public void require(int type, String namespaceURI, String localName)
         throws javax.xml.stream.XMLStreamException
     {
         if (type != _state) {
             throw new XMLStreamException2("DOMStreamReader: Required event type not found");
         }
         if (namespaceURI != null && !namespaceURI.equals(getNamespaceURI())) {
             throw new XMLStreamException2("DOMStreamReader: Required namespaceURI not found");
         }
         if (localName != null && !localName.equals(getLocalName())) {
             throw new XMLStreamException2("DOMStreamReader: Required localName not found");
         }
     }
     public boolean standaloneSet() {
         return true;
     }
     // -- Debugging ------------------------------------------------------
     private static void displayDOM(Node node, java.io.OutputStream ostream) {
         try {
             System.out.println("\n====\n");
             XmlUtil.newTransformer().transform(
                 new DOMSource(node), new StreamResult(ostream));
             System.out.println("\n====\n");
         }
         catch (Exception e) {
             e.printStackTrace();
         }
     }
     private static void verifyDOMIntegrity(Node node) {
         switch (node.getNodeType()) {
             case ELEMENT_NODE:
             case ATTRIBUTE_NODE:
                 // DOM level 1?
                 if (node.getLocalName() == null) {
                     System.out.println("WARNING: DOM level 1 node found");
                     System.out.println(" -> node.getNodeName() = " + node.getNodeName());
                     System.out.println(" -> node.getNamespaceURI() = " + node.getNamespaceURI());
                     System.out.println(" -> node.getLocalName() = " + node.getLocalName());
                     System.out.println(" -> node.getPrefix() = " + node.getPrefix());
                 }
                 if (node.getNodeType() == ATTRIBUTE_NODE) return;
                 NamedNodeMap attrs = node.getAttributes();
                 for (int i = 0; i < attrs.getLength(); i++) {
                     verifyDOMIntegrity(attrs.item(i));
                 }
             case DOCUMENT_NODE:
                 NodeList children = node.getChildNodes();
                 for (int i = 0; i < children.getLength(); i++) {
                     verifyDOMIntegrity(children.item(i));
                 }
         }
     }
     private static String fixNull(String s) {
         if(s==null) return "";
         else        return s;
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/DOMStreamReader.java@6cd506508147 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/DOMStreamReader.java