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* Copyright (c) 2001-2013 Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.sun.msv.writer.relaxng;
import java.util.Stack;
import com.sun.msv.grammar.AnyNameClass;
import com.sun.msv.grammar.ChoiceNameClass;
import com.sun.msv.grammar.DifferenceNameClass;
import com.sun.msv.grammar.NameClass;
import com.sun.msv.grammar.NameClassVisitor;
import com.sun.msv.grammar.NamespaceNameClass;
import com.sun.msv.grammar.NotNameClass;
import com.sun.msv.grammar.SimpleNameClass;
import com.sun.msv.writer.XMLWriter;
/**
* Visits NameClass and writes its XML representation.
*
* this class can only handle canonicalized name class.
*/
public class NameClassWriter implements NameClassVisitor {
public NameClassWriter( Context ctxt ) {
this.writer = ctxt.getWriter();
this.defaultNs = ctxt.getTargetNamespace();
}
private final XMLWriter writer;
/**
* Namespace URI of the inherited "ns" attribute, if any.
* Otherwise null.
*/
private final String defaultNs;
public Object onAnyName(AnyNameClass nc) {
writer.element("anyName");
return null;
}
protected void startWithNs( String name, String ns ) {
if( ns.equals(defaultNs) )
writer.start(name);
else
writer.start(name, new String[]{"ns",ns});
}
public Object onSimple( SimpleNameClass nc ) {
startWithNs( "name", nc.namespaceURI );
writer.characters(nc.localName);
writer.end("name");
return null;
}
public Object onNsName( NamespaceNameClass nc ) {
startWithNs( "nsName", nc.namespaceURI );
writer.end("nsName");
return null;
}
public Object onNot( NotNameClass nc ) {
// should not be called.
throw new Error();
}
public Object onChoice( ChoiceNameClass nc ) {
writer.start("choice");
processChoice(nc);
writer.end("choice");
return null;
}
private void processChoice( ChoiceNameClass nc ) {
Stack s = new Stack();
s.push(nc.nc1);
s.push(nc.nc2);
while(!s.empty()) {
NameClass n = (NameClass)s.pop();
if(n instanceof ChoiceNameClass ) {
s.push( ((ChoiceNameClass)n).nc1 );
s.push( ((ChoiceNameClass)n).nc2 );
continue;
}
n.visit(this);
}
}
public Object onDifference( DifferenceNameClass nc ) {
if( nc.nc1 instanceof AnyNameClass ) {
writer.start("anyName");
writer.start("except");
if( nc.nc2 instanceof ChoiceNameClass )
processChoice( (ChoiceNameClass)nc.nc2 );
else
nc.nc2.visit(this);
writer.end("except");
writer.end("anyName");
}
else
if( nc.nc1 instanceof NamespaceNameClass ) {
startWithNs("nsName", ((NamespaceNameClass)nc.nc1).namespaceURI );
writer.start("except");
if( nc.nc2 instanceof ChoiceNameClass )
processChoice( (ChoiceNameClass)nc.nc2 );
else
nc.nc2.visit(this);
writer.end("except");
writer.end("nsName");
}
else
throw new Error();
return null;
}
}