jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/XMLDeclarationParser.java@0989ad8c0860 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/XMLDeclarationParser.java@0989ad8c0860 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/XMLDeclarationParser.java

Tue, 09 Apr 2013 14:51:13 +0100

author: alanb
date: Tue, 09 Apr 2013 14:51:13 +0100
changeset 368: 0989ad8c0860
parent 286: f50545b5e2f1
child 637: 9c07ef4934dd
permissions: -rw-r--r--

8010393: Update JAX-WS RI to 2.2.9-b12941
Reviewed-by: alanb, erikj
Contributed-by: miroslav.kos@oracle.com, martin.grebac@oracle.com

 /*
  * 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.messaging.saaj.util;
 import java.io.*;
 import javax.xml.transform.TransformerException;
 /*
  * Class that parses the very first construct in the document i.e.
  *  <?xml ... ?>
  *
  * @author Panos Kougiouris (panos@acm.org)
  * @version
  */
 public class XMLDeclarationParser {
     private String m_encoding;
     private PushbackReader m_pushbackReader;
     private boolean m_hasHeader; // preserve the case where no XML Header exists
     private String xmlDecl = null;
     static String gt16 = null;
     static String utf16Decl = null;
     static {
          try {
              gt16 = new String(">".getBytes("utf-16"));
              utf16Decl = new String("<?xml".getBytes("utf-16"));
          } catch (Exception e) {}
     }
     //---------------------------------------------------------------------
     public XMLDeclarationParser(PushbackReader pr)
     {
         m_pushbackReader = pr;
         m_encoding = "utf-8";
         m_hasHeader = false;
     }
     //---------------------------------------------------------------------
     public String getEncoding()
     {
         return m_encoding;
     }
     public String getXmlDeclaration() {
         return xmlDecl;
     }
     //---------------------------------------------------------------------
      public void parse()  throws TransformerException, IOException
      {
         int c = 0;
         int index = 0;
         char[] aChar = new char[65535];
         StringBuffer xmlDeclStr = new StringBuffer();
         while ((c = m_pushbackReader.read()) != -1) {
             aChar[index] = (char)c;
             xmlDeclStr.append((char)c);
             index++;
             if (c == '>') {
                 break;
             }
         }
         int len = index;
         String decl = xmlDeclStr.toString();
         boolean utf16 = false;
         boolean utf8 = false;
         int xmlIndex = decl.indexOf(utf16Decl);
         if (xmlIndex > -1) {
             utf16 = true;
         } else {
             xmlIndex = decl.indexOf("<?xml");
             if (xmlIndex > -1) {
                 utf8 = true;
             }
         }
         // no XML decl
         if (!utf16 && !utf8) {
             m_pushbackReader.unread(aChar, 0, len);
             return;
         }
         m_hasHeader = true;
         if (utf16) {
             xmlDecl = new String(decl.getBytes(), "utf-16");
             xmlDecl = xmlDecl.substring(xmlDecl.indexOf("<"));
         } else {
             xmlDecl = decl;
         }
         // do we want to check that there are no other characters preceeding <?xml
         if (xmlIndex != 0) {
             throw new IOException("Unexpected characters before XML declaration");
         }
         int versionIndex =  xmlDecl.indexOf("version");
         if (versionIndex == -1) {
             throw new IOException("Mandatory 'version' attribute Missing in XML declaration");
         }
         // now set
         int encodingIndex = xmlDecl.indexOf("encoding");
         if (encodingIndex == -1) {
             return;
         }
         if (versionIndex > encodingIndex) {
             throw new IOException("The 'version' attribute should preceed the 'encoding' attribute in an XML Declaration");
         }
         int stdAloneIndex = xmlDecl.indexOf("standalone");
         if ((stdAloneIndex > -1) && ((stdAloneIndex < versionIndex) || (stdAloneIndex < encodingIndex))) {
             throw new IOException("The 'standalone' attribute should be the last attribute in an XML Declaration");
         }
         int eqIndex = xmlDecl.indexOf("=", encodingIndex);
         if (eqIndex == -1) {
             throw new IOException("Missing '=' character after 'encoding' in XML declaration");
         }
         m_encoding = parseEncoding(xmlDecl, eqIndex);
         if(m_encoding.startsWith("\"")){
             m_encoding = m_encoding.substring(m_encoding.indexOf("\"")+1, m_encoding.lastIndexOf("\""));
         } else if(m_encoding.startsWith("\'")){
             m_encoding = m_encoding.substring(m_encoding.indexOf("\'")+1, m_encoding.lastIndexOf("\'"));
         }
      }
      //--------------------------------------------------------------------
     public void writeTo(Writer wr) throws IOException {
         if (!m_hasHeader) return;
         wr.write(xmlDecl.toString());
     }
     private String parseEncoding(String xmlDeclFinal, int eqIndex) throws IOException {
         java.util.StringTokenizer strTok = new java.util.StringTokenizer(
             xmlDeclFinal.substring(eqIndex + 1));
         if (strTok.hasMoreTokens()) {
             String encodingTok = strTok.nextToken();
             int indexofQ = encodingTok.indexOf("?");
             if (indexofQ > -1) {
                 return encodingTok.substring(0,indexofQ);
             } else {
                 return encodingTok;
             }
         } else {
             throw new IOException("Error parsing 'encoding' attribute in XML declaration");
         }
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/XMLDeclarationParser.java@0989ad8c0860 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/XMLDeclarationParser.java