org.glassfish.jaxb.runtime.v2.runtime.StAXPostInitAction Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.glassfish.jaxb.runtime.v2.runtime;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLStreamWriter;
/**
* Post-init action for {@link MarshallerImpl} that incorporate the in-scope namespace bindings
* from a StAX writer.
*
*
* It's always used either with {@link XMLStreamWriter}, {@link XMLEventWriter}, or bare
* {@link NamespaceContext},
* but to reduce the # of classes in the runtime I wrote only one class that handles both.
*
* @author Kohsuke Kawaguchi
*/
final class StAXPostInitAction implements Runnable {
private final XMLStreamWriter xsw;
private final XMLEventWriter xew;
private final NamespaceContext nsc;
private final XMLSerializer serializer;
StAXPostInitAction(XMLStreamWriter xsw,XMLSerializer serializer) {
this.xsw = xsw;
this.xew = null;
this.nsc = null;
this.serializer = serializer;
}
StAXPostInitAction(XMLEventWriter xew,XMLSerializer serializer) {
this.xsw = null;
this.xew = xew;
this.nsc = null;
this.serializer = serializer;
}
StAXPostInitAction(NamespaceContext nsc,XMLSerializer serializer) {
this.xsw = null;
this.xew = null;
this.nsc = nsc;
this.serializer = serializer;
}
public void run() {
NamespaceContext ns = nsc;
if(xsw!=null) ns = xsw.getNamespaceContext();
if(xew!=null) ns = xew.getNamespaceContext();
// StAX javadoc isn't very clear on the behavior,
// so work defensively in anticipation of broken implementations.
if(ns==null)
return;
// we can't enumerate all the in-scope namespace bindings in StAX,
// so we only look for the known static namespace URIs.
// this is less than ideal, but better than nothing.
for( String nsUri : serializer.grammar.nameList.namespaceURIs ) {
String p = ns.getPrefix(nsUri);
if(p!=null)
serializer.addInscopeBinding(nsUri,p);
}
}
}