com.sun.xml.ws.encoding.TagInfoset Maven / Gradle / Ivy
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/*
* Copyright (c) 1997, 2021 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 com.sun.xml.ws.encoding;
import java.util.List;
import org.xml.sax.helpers.AttributesImpl;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.stream.XMLStreamException;
import com.sun.xml.ws.message.stream.StreamMessage;
import com.sun.istack.Nullable;
import com.sun.istack.NotNull;
/**
* Complete infoset about a start tag.
*
*
* This is used between {@link StreamMessage} and {@link StreamSOAPCodec}
* to capture the infoset of the s:Envelope, s:Header, and s:Body elements.
*
*
*
Design Note
*
* Since StAX and SAX uses different null vs empty string convention, one has
* to choose which format we store things. It can go either way, but I'm assuming
* that we'll be using StAX more in JAX-WS, so things are kept in the StAX style
* in this class.
*
* @author Kohsuke Kawaguchi
*/
public final class TagInfoset {
/**
* Namespace declarations on this tag. Read-only.
*
* This is an array of the even length of the form { prefix0, uri0, prefix1, uri1, ... }.
*
* URIs/prefixes can be null (StAX-style)
*/
public final @NotNull String[] ns;
/**
* Attributes on this tag. Read-only.
*/
public final @NotNull AttributesImpl atts;
/**
* Prefix of the start tag in stax-style.
*/
public final @Nullable String prefix;
/**
* Namespace URI of the start tag in stax-style.
*/
public final @Nullable String nsUri;
/**
* Local name of the start tag.
*/
public final @NotNull String localName;
/**
* Lazily computed QName (i.e., "foo:bar")
*/
private @Nullable String qname;
public TagInfoset(String nsUri, String localName, String prefix, AttributesImpl atts, String... ns) {
this.nsUri = nsUri;
this.prefix = prefix;
this.localName = localName;
this.atts = atts;
this.ns = ns;
}
/**
* Fills a {@link TagInfoset} object by the current element
* that the reader points to.
*/
public TagInfoset(XMLStreamReader reader) {
prefix = reader.getPrefix();
nsUri = reader.getNamespaceURI();
localName = reader.getLocalName();
int nsc = reader.getNamespaceCount();
if(nsc>0) {
ns = new String[nsc*2];
for(int i=0; i0) {
atts = new AttributesImpl();
StringBuilder sb = new StringBuilder();
for(int i=0; i< ac;i++){
sb.setLength(0);
String prefix = reader.getAttributePrefix(i);
String localName = reader.getAttributeLocalName(i);
String qname;
if(prefix != null && prefix.length()!=0){
sb.append(prefix);
sb.append(":");
sb.append(localName);
qname = sb.toString();
} else {
qname = localName;
}
atts.addAttribute(
fixNull(reader.getAttributeNamespace(i)),
localName,
qname,
reader.getAttributeType(i),
reader.getAttributeValue(i));
}
} else {
atts = EMPTY_ATTRIBUTES;
}
}
/**
* Writes the start element event.
*/
public void writeStart(ContentHandler contentHandler) throws SAXException {
for( int i=0; i=0; i-=2 ) {
contentHandler.endPrefixMapping(fixNull(ns[i]));
}
}
/**
* Writes the start element event.
*/
public void writeStart(XMLStreamWriter w) throws XMLStreamException {
// write start tag.
if(prefix==null) {
if(nsUri==null)
w.writeStartElement(localName);
else {
//fix Null prefix. otherwise throws XMLStreamException,
// if the namespace URI has not been bound to a prefix
w.writeStartElement("",localName,nsUri);
}
} else {
w.writeStartElement(prefix,localName,nsUri);
}
for( int i=0; i allPrefixes(String namespaceURI) {
int size = ns.length/2;
List l = new java.util.ArrayList();
for(int i=0; i