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/*
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* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.tools.internal.ws.wsdl.parser;
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import com.sun.tools.internal.ws.resources.WsdlMessages;
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import com.sun.tools.internal.ws.wsdl.document.jaxws.JAXWSBindingsConstants;
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import org.xml.sax.*;
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import org.xml.sax.helpers.LocatorImpl;
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import org.xml.sax.helpers.XMLFilterImpl;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* Checks the jaxb:version attribute on a XML Schema document.
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*
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* jaxws:version is optional, if absent its value is assumed to be "2.0" and if present its value must be
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* "2.0" or more.
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*
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* @author
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* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
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* Vivek Pandey
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*/
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public class VersionChecker extends XMLFilterImpl {
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/**
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* We store the value of the version attribute in this variable
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* when we hit the root element.
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*/
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private String version = null ;
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/** Will be set to true once we hit the root element. */
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private boolean seenRoot = false;
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/** Will be set to true once we hit a binding declaration. */
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private boolean seenBindings = false;
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private Locator locator;
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/**
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* Stores the location of the start tag of the root tag.
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*/
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private Locator rootTagStart;
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public VersionChecker( XMLReader parent ) {
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setParent(parent);
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}
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public VersionChecker( ContentHandler handler, ErrorHandler eh, EntityResolver er ) {
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setContentHandler(handler);
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if(eh!=null) setErrorHandler(eh);
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if(er!=null) setEntityResolver(er);
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}
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public void startElement(String namespaceURI, String localName, String qName, Attributes atts)
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throws SAXException {
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super.startElement(namespaceURI, localName, qName, atts);
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if(!seenRoot) {
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// if this is the root element
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seenRoot = true;
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rootTagStart = new LocatorImpl(locator);
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version = atts.getValue(JAXWSBindingsConstants.NS_JAXWS_BINDINGS,"version");
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if( namespaceURI.equals(JAXWSBindingsConstants.NS_JAXWS_BINDINGS) ) {
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String version2 = atts.getValue("","version");
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if( version!=null && version2!=null ) {
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// we have both @version and @jaxb:version. error.
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SAXParseException e = new SAXParseException(
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WsdlMessages.INTERNALIZER_TWO_VERSION_ATTRIBUTES(), locator);
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getErrorHandler().error(e);
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}
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//According to JAXWS 2.0 spec, if version attribute is missing its assumed to be "2.0"
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if( version==null)
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version = (version2!=null)?version2:"2.0";
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}
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}
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if( JAXWSBindingsConstants.NS_JAXWS_BINDINGS.equals(namespaceURI)){
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seenBindings = true;
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if(version == null)
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version = "2.0";
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}
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}
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public void endDocument() throws SAXException {
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super.endDocument();
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if( seenBindings && version==null ) {
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// if we see a binding declaration but not version attribute
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SAXParseException e = new SAXParseException(WsdlMessages.INTERNALIZER_VERSION_NOT_PRESENT(), rootTagStart);
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getErrorHandler().error(e);
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}
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// if present, the value must be >= 2.0
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if( version!=null && !VERSIONS.contains(version) ) {
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SAXParseException e = new SAXParseException(WsdlMessages.INTERNALIZER_INCORRECT_VERSION(), rootTagStart);
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getErrorHandler().error(e);
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}
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}
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public void setDocumentLocator(Locator locator) {
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super.setDocumentLocator(locator);
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this.locator = locator;
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}
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private static final Set<String> VERSIONS = new HashSet<String>(Arrays.asList("2.0","2.1"));
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}
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