com.sun.tools.ws.wsdl.parser.VersionChecker Maven / Gradle / Ivy
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package com.sun.tools.ws.wsdl.parser;
import com.sun.tools.ws.resources.WsdlMessages;
import com.sun.tools.ws.wsdl.document.jaxws.JAXWSBindingsConstants;
import org.xml.sax.*;
import org.xml.sax.helpers.LocatorImpl;
import org.xml.sax.helpers.XMLFilterImpl;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
/**
* Checks the jaxb:version attribute on a XML Schema document.
*
* jaxws:version is optional, if absent its value is assumed to be "2.0" and if present its value must be
* "2.0" or more.
*
* @author
* Kohsuke Kawaguchi ([email protected])
* Vivek Pandey
*/
public class VersionChecker extends XMLFilterImpl {
/**
* We store the value of the version attribute in this variable
* when we hit the root element.
*/
private String version = null ;
/** Will be set to true once we hit the root element. */
private boolean seenRoot = false;
/** Will be set to true once we hit a binding declaration. */
private boolean seenBindings = false;
private Locator locator;
/**
* Stores the location of the start tag of the root tag.
*/
private Locator rootTagStart;
public VersionChecker( XMLReader parent ) {
setParent(parent);
}
public VersionChecker( ContentHandler handler, ErrorHandler eh, EntityResolver er ) {
setContentHandler(handler);
if(eh!=null) setErrorHandler(eh);
if(er!=null) setEntityResolver(er);
}
public void startElement(String namespaceURI, String localName, String qName, Attributes atts)
throws SAXException {
super.startElement(namespaceURI, localName, qName, atts);
if(!seenRoot) {
// if this is the root element
seenRoot = true;
rootTagStart = new LocatorImpl(locator);
version = atts.getValue(JAXWSBindingsConstants.NS_JAXWS_BINDINGS,"version");
if( namespaceURI.equals(JAXWSBindingsConstants.NS_JAXWS_BINDINGS) ) {
String version2 = atts.getValue("","version");
if( version!=null && version2!=null ) {
// we have both @version and @jaxb:version. error.
SAXParseException e = new SAXParseException(
WsdlMessages.INTERNALIZER_TWO_VERSION_ATTRIBUTES(), locator);
getErrorHandler().error(e);
}
//According to JAXWS 2.0 spec, if version attribute is missing its assumed to be "2.0"
if( version==null)
version = (version2!=null)?version2:"2.0";
}
}
if( JAXWSBindingsConstants.NS_JAXWS_BINDINGS.equals(namespaceURI)){
seenBindings = true;
if(version == null)
version = "2.0";
}
}
public void endDocument() throws SAXException {
super.endDocument();
if( seenBindings && version==null ) {
// if we see a binding declaration but not version attribute
SAXParseException e = new SAXParseException(WsdlMessages.INTERNALIZER_VERSION_NOT_PRESENT(), rootTagStart);
getErrorHandler().error(e);
}
// if present, the value must be >= 2.0
if( version!=null && !VERSIONS.contains(version) ) {
SAXParseException e = new SAXParseException(WsdlMessages.INTERNALIZER_INCORRECT_VERSION(), rootTagStart);
getErrorHandler().error(e);
}
}
public void setDocumentLocator(Locator locator) {
super.setDocumentLocator(locator);
this.locator = locator;
}
private static final Set VERSIONS = new HashSet(Arrays.asList("2.0","2.1"));
}