jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/XMLStreamReaderUtil.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/XMLStreamReaderUtil.java@9c07ef4934dd (annotated)

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

Thu, 31 Aug 2017 15:18:52 +0800

author: aoqi
date: Thu, 31 Aug 2017 15:18:52 +0800
changeset 637: 9c07ef4934dd
parent 368: 0989ad8c0860
parent 0: 373ffda63c9a
permissions: -rw-r--r--

merge

 /*
  * 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 javax.xml.namespace.QName;
 import static javax.xml.stream.XMLStreamConstants.*;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamReader;
 import javax.xml.stream.XMLStreamConstants;
 /**
  * <p> XMLStreamReaderUtil provides some utility methods intended to be used
  * in conjunction with a StAX XMLStreamReader. </p>
  *
  * @author WS Development Team
  */
 public class XMLStreamReaderUtil {
     private XMLStreamReaderUtil() {
     }
     public static void close(XMLStreamReader reader) {
         try {
             reader.close();
         } catch (XMLStreamException e) {
             throw wrapException(e);
         }
     }
     public static void readRest(XMLStreamReader reader) {
         try {
             while(reader.getEventType() != XMLStreamConstants.END_DOCUMENT) {
                 reader.next();
             }
         } catch (XMLStreamException e) {
             throw wrapException(e);
         }
     }
     public static int next(XMLStreamReader reader) {
         try {
             int readerEvent = reader.next();
             while (readerEvent != END_DOCUMENT) {
                 switch (readerEvent) {
                     case START_ELEMENT:
                     case END_ELEMENT:
                     case CDATA:
                     case CHARACTERS:
                     case PROCESSING_INSTRUCTION:
                         return readerEvent;
                     default:
                         // falls through ignoring event
                 }
                 readerEvent = reader.next();
             }
             return readerEvent;
         }
         catch (XMLStreamException e) {
             throw wrapException(e);
         }
     }
     public static int nextElementContent(XMLStreamReader reader) {
         int state = nextContent(reader);
         if (state == CHARACTERS) {
             throw new XMLStreamReaderException(
                 "xmlreader.unexpectedCharacterContent", reader.getText());
         }
         return state;
     }
     public static void toNextTag(XMLStreamReader reader, QName name) {
         // skip any whitespace
         if (reader.getEventType() != XMLStreamConstants.START_ELEMENT &&
                 reader.getEventType() != XMLStreamConstants.END_ELEMENT) {
             XMLStreamReaderUtil.nextElementContent(reader);
         }
         if(reader.getEventType() == XMLStreamConstants.END_ELEMENT && name.equals(reader.getName())) {
             XMLStreamReaderUtil.nextElementContent(reader);
         }
     }
     /**
      * Moves next and read spaces from the reader as long as to the next element.
      * Comments are ignored
      * @param reader
      * @return
      */
     public static String nextWhiteSpaceContent(XMLStreamReader reader) {
         next(reader);
         return currentWhiteSpaceContent(reader);
     }
     /**
      * Read spaces from the reader as long as to the next element, starting from
      * current position. Comments are ignored.
      * @param reader
      * @return
      */
     public static String currentWhiteSpaceContent(XMLStreamReader reader) {
         // since the there might be several valid chunks (spaces/comment/spaces)
         // StringBuilder must be used; it's initialized lazily, only when needed
         StringBuilder whiteSpaces = null;
         for (;;) {
             switch (reader.getEventType()) {
                 case START_ELEMENT:
                 case END_ELEMENT:
                 case END_DOCUMENT:
                     return whiteSpaces == null ? null : whiteSpaces.toString();
                 case CHARACTERS:
                     if (reader.isWhiteSpace()) {
                         if (whiteSpaces == null) {
                             whiteSpaces = new StringBuilder();
                         }
                         whiteSpaces.append(reader.getText());
                     } else {
                         throw new XMLStreamReaderException(
                                 "xmlreader.unexpectedCharacterContent", reader.getText());
                     }
             }
             next(reader);
         }
     }
     public static int nextContent(XMLStreamReader reader) {
         for (;;) {
             int state = next(reader);
             switch (state) {
                 case START_ELEMENT:
                 case END_ELEMENT:
                 case END_DOCUMENT:
                     return state;
                 case CHARACTERS:
                     if (!reader.isWhiteSpace()) {
                         return CHARACTERS;
                     }
             }
         }
     }
     /**
      * Skip current element, leaving the cursor at END_ELEMENT of
      * current element.
      */
     public static void skipElement(XMLStreamReader reader) {
         assert reader.getEventType() == START_ELEMENT;
         skipTags(reader, true);
         assert reader.getEventType() == END_ELEMENT;
     }
     /**
      * Skip following siblings, leaving cursor at END_ELEMENT of
      * parent element.
      */
     public static void skipSiblings(XMLStreamReader reader, QName parent) {
         skipTags(reader, reader.getName().equals(parent));
         assert reader.getEventType() == END_ELEMENT;
     }
     private static void skipTags(XMLStreamReader reader, boolean exitCondition) {
         try {
             int state, tags = 0;
             while ((state = reader.next()) != END_DOCUMENT) {
                 if (state == START_ELEMENT) {
                     tags++;
                 }
                 else if (state == END_ELEMENT) {
                     if (tags == 0 && exitCondition) return;
                     tags--;
                 }
             }
         }
         catch (XMLStreamException e) {
             throw wrapException(e);
         }
     }
     /*
     * Get the text of an element
     */
     public static String getElementText(XMLStreamReader reader) {
         try {
             return reader.getElementText();
         } catch (XMLStreamException e) {
             throw wrapException(e);
         }
     }
     /*
     * Get a QName with 'someUri' and 'localname' from an
     * element of qname type:
     * <xyz xmlns:ns1="someUri">ns1:localname</xyz>
     */
     public static QName getElementQName(XMLStreamReader reader) {
         try {
             String text = reader.getElementText().trim();
             String prefix = text.substring(0,text.indexOf(':'));
             String namespaceURI = reader.getNamespaceContext().getNamespaceURI(prefix);
             if (namespaceURI == null) {
                 namespaceURI = "";
             }
             String localPart = text.substring(
                     text.indexOf(':') + 1, text.length());
             return new QName(namespaceURI, localPart);
         } catch (XMLStreamException e) {
             throw wrapException(e);
         }
     }
     /**
      * Read all attributes into an data structure. Note that this method cannot
      * be called multiple times to get the same list of attributes.
      */
     public static Attributes getAttributes(XMLStreamReader reader) {
         return (reader.getEventType() == START_ELEMENT ||
                 reader.getEventType() == ATTRIBUTE) ?
                 new AttributesImpl(reader) : null;
     }
     public static void verifyReaderState(XMLStreamReader reader, int expectedState) {
         int state = reader.getEventType();
         if (state != expectedState) {
             throw new XMLStreamReaderException(
                 "xmlreader.unexpectedState",
                 getStateName(expectedState), getStateName(state));
         }
     }
     public static void verifyTag(XMLStreamReader reader, String namespaceURI, String localName) {
         if (!localName.equals(reader.getLocalName()) || !namespaceURI.equals(reader.getNamespaceURI())) {
             throw new XMLStreamReaderException(
                 "xmlreader.unexpectedState.tag",
                     "{" + namespaceURI + "}" + localName,
                     "{" + reader.getNamespaceURI() + "}" + reader.getLocalName());
         }
     }
     public static void verifyTag(XMLStreamReader reader, QName name) {
         verifyTag(reader, name.getNamespaceURI(), name.getLocalPart());
     }
     public static String getStateName(XMLStreamReader reader) {
         return getStateName(reader.getEventType());
     }
     public static String getStateName(int state) {
         switch (state) {
             case ATTRIBUTE:
                 return "ATTRIBUTE";
             case CDATA:
                 return "CDATA";
             case CHARACTERS:
                 return "CHARACTERS";
             case COMMENT:
                 return "COMMENT";
             case DTD:
                 return "DTD";
             case END_DOCUMENT:
                 return "END_DOCUMENT";
             case END_ELEMENT:
                 return "END_ELEMENT";
             case ENTITY_DECLARATION:
                 return "ENTITY_DECLARATION";
             case ENTITY_REFERENCE:
                 return "ENTITY_REFERENCE";
             case NAMESPACE:
                 return "NAMESPACE";
             case NOTATION_DECLARATION:
                 return "NOTATION_DECLARATION";
             case PROCESSING_INSTRUCTION:
                 return "PROCESSING_INSTRUCTION";
             case SPACE:
                 return "SPACE";
             case START_DOCUMENT:
                 return "START_DOCUMENT";
             case START_ELEMENT:
                 return "START_ELEMENT";
             default :
                 return "UNKNOWN";
         }
     }
     private static XMLStreamReaderException wrapException(XMLStreamException e) {
         return new XMLStreamReaderException("xmlreader.ioException",e);
     }
     // -- Auxiliary classes ----------------------------------------------
     /**
      * AttributesImpl class copied from old StAXReader. This class is used to implement
      * getAttributes() on a StAX Reader.
      */
     public static class AttributesImpl implements Attributes {
         static final String XMLNS_NAMESPACE_URI = "http://www.w3.org/2000/xmlns/";
         static class AttributeInfo {
             private QName name;
             private String value;
             public AttributeInfo(QName name, String value) {
                 this.name = name;
                 if (value == null) {
                     // e.g., <return xmlns=""> -- stax returns null
                     this.value = "";
                 } else {
                     this.value = value;
                 }
             }
             QName getName() {
                 return name;
             }
             String getValue() {
                 return value;
             }
             /*
              * Return "xmlns:" as part of name if namespace.
              */
             String getLocalName() {
                 if (isNamespaceDeclaration()) {
                     if (name.getLocalPart().equals("")) {
                         return "xmlns";
                     }
                     return "xmlns:" + name.getLocalPart();
                 }
                 return name.getLocalPart();
             }
             boolean isNamespaceDeclaration() {
                 return (name.getNamespaceURI() == XMLNS_NAMESPACE_URI);
             }
         }
         // stores qname and value for each attribute
         AttributeInfo [] atInfos;
         /*
          * Will create a list that contains the namespace declarations
          * as well as the other attributes.
          */
         public AttributesImpl(XMLStreamReader reader) {
             if (reader == null) {
                 // this is the case when we call getAttributes() on the
                 // reader when it is not on a start tag
                 atInfos = new AttributeInfo[0];
             } else {
                 // this is the normal case
                 int index = 0;
                 int namespaceCount = reader.getNamespaceCount();
                 int attributeCount = reader.getAttributeCount();
                 atInfos = new AttributeInfo[namespaceCount + attributeCount];
                 for (int i=0; i<namespaceCount; i++) {
                     String namespacePrefix = reader.getNamespacePrefix(i);
                     // will be null if default prefix. QName can't take null
                     if (namespacePrefix == null) {
                         namespacePrefix = "";
                     }
                     atInfos[index++] = new AttributeInfo(
                         new QName(XMLNS_NAMESPACE_URI,
                             namespacePrefix,
                             "xmlns"),
                         reader.getNamespaceURI(i));
                 }
                 for (int i=0; i<attributeCount; i++) {
                     atInfos[index++] = new AttributeInfo(
                         reader.getAttributeName(i),
                         reader.getAttributeValue(i));
                 }
             }
         }
         public int getLength() {
             return atInfos.length;
         }
         public String getLocalName(int index) {
             if (index >= 0 && index < atInfos.length) {
                 return atInfos[index].getLocalName();
             }
             return null;
         }
         public QName getName(int index) {
             if (index >= 0 && index < atInfos.length) {
                 return atInfos[index].getName();
             }
             return null;
         }
         public String getPrefix(int index) {
             if (index >= 0 && index < atInfos.length) {
                 return atInfos[index].getName().getPrefix();
             }
             return null;
         }
         public String getURI(int index) {
             if (index >= 0 && index < atInfos.length) {
                 return atInfos[index].getName().getNamespaceURI();
             }
             return null;
         }
         public String getValue(int index) {
             if (index >= 0 && index < atInfos.length) {
                 return atInfos[index].getValue();
             }
             return null;
         }
         public String getValue(QName name) {
             int index = getIndex(name);
             if (index != -1) {
                 return atInfos[index].getValue();
             }
             return null;
         }
         public String getValue(String localName) {
             int index = getIndex(localName);
             if (index != -1) {
                 return atInfos[index].getValue();
             }
             return null;
         }
         public String getValue(String uri, String localName) {
             int index = getIndex(uri, localName);
             if (index != -1) {
                 return atInfos[index].getValue();
             }
             return null;
         }
         public boolean isNamespaceDeclaration(int index) {
             if (index >= 0 && index < atInfos.length) {
                 return atInfos[index].isNamespaceDeclaration();
             }
             return false;
         }
         public int getIndex(QName name) {
             for (int i=0; i<atInfos.length; i++) {
                 if (atInfos[i].getName().equals(name)) {
                     return i;
                 }
             }
             return -1;
         }
         public int getIndex(String localName) {
             for (int i=0; i<atInfos.length; i++) {
                 if (atInfos[i].getName().getLocalPart().equals(localName)) {
                     return i;
                 }
             }
             return -1;
         }
         public int getIndex(String uri, String localName) {
             QName qName;
             for (int i=0; i<atInfos.length; i++) {
                 qName = atInfos[i].getName();
                 if (qName.getNamespaceURI().equals(uri) &&
                     qName.getLocalPart().equals(localName)) {
                     return i;
                 }
             }
             return -1;
         }
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/XMLStreamReaderUtil.java@9c07ef4934dd (annotated)

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