jaxws/src/java.xml.soap/share/classes/com/sun/xml/internal/messaging/saaj/util/XMLDeclarationParser.java
--- a/jaxws/src/java.xml.soap/share/classes/com/sun/xml/internal/messaging/saaj/util/XMLDeclarationParser.java Mon Jan 12 11:46:43 2015 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,179 +0,0 @@
-/*
- * Copyright (c) 1997, 2013, 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");
- }
- }
-
-}